Free up space

Makefile

@@ -9,9 +9,9 @@ ENABLE_UART                   	?= 1
 ENABLE_AIRCOPY                	?= 0
 ENABLE_NOAA                   	?= 0
 ENABLE_VOICE                  	?= 0
-ENABLE_VOX                    	?= 1
+ENABLE_VOX                    	?= 0
 ENABLE_ALARM                  	?= 0
-ENABLE_TX1750                 	?= 1
+ENABLE_TX1750                 	?= 0
 ENABLE_PWRON_PASSWORD         	?= 0
 ENABLE_DTMF_CALLING           	?= 0
 ENABLE_FLASHLIGHT             	?= 1
@@ -38,16 +38,15 @@ ENABLE_AUDIO_BAR              	?= 1
 ENABLE_COPY_CHAN_TO_VFO       	?= 1
 ENABLE_REDUCE_LOW_MID_TX_POWER	?= 1
 ENABLE_BYP_RAW_DEMODULATORS   	?= 1
-ENABLE_BLMIN_TMP_OFF          	?= 1
+ENABLE_BLMIN_TMP_OFF          	?= 0
 ENABLE_SCAN_RANGES            	?= 1
 ENABLE_FEAT_F4HWN             	?= 1
 ENABLE_FEAT_F4HWN_SCREENSHOT  	?= 0
 ENABLE_FEAT_F4HWN_SPECTRUM    	?= 1
 ENABLE_FEAT_F4HWN_RX_TX_TIMER   ?= 0
-ENABLE_FEAT_F4HWN_CHARGING_C    ?= 1
+ENABLE_FEAT_F4HWN_CHARGING_C    ?= 0
 ENABLE_FEAT_F4HWN_SLEEP         ?= 1
 ENABLE_FEAT_F4HWN_RESUME_STATE  ?= 1
-ENABLE_FEAT_F4HWN_NARROWER      ?= 1
 ENABLE_FEAT_F4HWN_INV           ?= 1
 ENABLE_FEAT_F4HWN_CTR           ?= 0
 ENABLE_FEAT_F4HWN_RESCUE_OPS    ?= 0
@@ -139,6 +138,7 @@ OBJS += app/chFrScanner.o
 OBJS += app/common.o
 OBJS += app/dtmf.o
 OBJS += app/fskmodem.o
+OBJS += app/messages.o
 ifeq ($(ENABLE_REGA),1)
 	OBJS += app/rega.o
 endif
@@ -177,6 +177,7 @@ OBJS += settings.o
 ifeq ($(ENABLE_AIRCOPY),1)
 	OBJS += ui/aircopy.o
 endif
+OBJS += ui/messages.o
 OBJS += ui/battery.o
 ifeq ($(ENABLE_FMRADIO),1)
 	OBJS += ui/fmradio.o
@@ -449,9 +450,6 @@ endif
 ifeq ($(ENABLE_FEAT_F4HWN_RESUME_STATE),1)
 	CFLAGS  += -DENABLE_FEAT_F4HWN_RESUME_STATE
 endif
-ifeq ($(ENABLE_FEAT_F4HWN_NARROWER),1)
-	CFLAGS  += -DENABLE_FEAT_F4HWN_NARROWER
-endif
 ifeq ($(ENABLE_FEAT_F4HWN_INV),1)
 	CFLAGS  += -DENABLE_FEAT_F4HWN_INV
 endif

app/action.c

@@ -42,6 +42,9 @@
 #include "settings.h"
 #include "ui/inputbox.h"
 #include "ui/ui.h"
+#include "driver/st7565.h"
+#include "ui/menu.h"
+
 #ifdef ENABLE_REGA
     #include "app/rega.h"
 #endif
@@ -110,7 +113,6 @@ void (*action_opt_table[])(void) = {
 
 #ifdef ENABLE_FEAT_F4HWN
     [ACTION_OPT_RXMODE] = &ACTION_RxMode,
-    [ACTION_OPT_MAINONLY] = &ACTION_MainOnly,
     [ACTION_OPT_PTT] = &ACTION_Ptt,
     [ACTION_OPT_WN] = &ACTION_Wn,
     [ACTION_OPT_BACKLIGHT] = &ACTION_BackLight,
@@ -119,10 +121,6 @@ void (*action_opt_table[])(void) = {
     #else
         [ACTION_OPT_MUTE] = &FUNCTION_NOP,
     #endif
-    #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-        [ACTION_OPT_POWER_HIGH] = &ACTION_Power_High,
-        [ACTION_OPT_REMOVE_OFFSET] = &ACTION_Remove_Offset,
-    #endif
 #else
     [ACTION_OPT_RXMODE] = &FUNCTION_NOP,
 #endif
@@ -136,8 +134,9 @@ static_assert(ARRAY_SIZE(action_opt_table) == ACTION_OPT_LEN);
 
 void ACTION_Power(void)
 {
-    if (++gTxVfo->OUTPUT_POWER > OUTPUT_POWER_HIGH)
-        gTxVfo->OUTPUT_POWER = OUTPUT_POWER_LOW1;
+    gTxVfo->OUTPUT_POWER++;
+    if (gTxVfo->OUTPUT_POWER >= ARRAY_SIZE(gSubMenu_TXP))
+        gTxVfo->OUTPUT_POWER = 0;
 
     gRequestSaveChannel = 1;
 
@@ -440,7 +439,7 @@ static void ACTION_Scan_FM(bool bRestart)
 static void ACTION_AlarmOr1750(const bool b1750)
 {
 
-    if(gEeprom.KEY_LOCK && gEeprom.KEY_LOCK_PTT)
+    if(gEeprom.KEY_LOCK)
         return;
 
     #if defined(ENABLE_ALARM)
@@ -552,40 +551,12 @@ void ACTION_Ptt(void)
 
 void ACTION_Wn(void)
 {
-    #ifdef ENABLE_FEAT_F4HWN_NARROWER
-        bool narrower = 0;
         if (FUNCTION_IsRx())
         {
-            gRxVfo->CHANNEL_BANDWIDTH = (gRxVfo->CHANNEL_BANDWIDTH == 0) ? 1: 0;
-            if(gRxVfo->CHANNEL_BANDWIDTH == BANDWIDTH_NARROW && gSetting_set_nfm == 1)
-            {
-                narrower = 1;
+            gRxVfo->CHANNEL_BANDWIDTH++;
+            if (gRxVfo->CHANNEL_BANDWIDTH > BK4819_FILTER_BW_NARROWER) {
+                gRxVfo->CHANNEL_BANDWIDTH = BK4819_FILTER_BW_WIDE;
             }
-
-            #ifdef ENABLE_AM_FIX
-                BK4819_SetFilterBandwidth(gRxVfo->CHANNEL_BANDWIDTH + narrower, true);
-            #else
-                BK4819_SetFilterBandwidth(gRxVfo->CHANNEL_BANDWIDTH + narrower, false);
-            #endif
-        }
-        else
-        {
-            gTxVfo->CHANNEL_BANDWIDTH = (gTxVfo->CHANNEL_BANDWIDTH == 0) ? 1: 0;
-            if(gTxVfo->CHANNEL_BANDWIDTH == BANDWIDTH_NARROW && gSetting_set_nfm == 1)
-            {
-                narrower = 1;
-            }
-
-            #ifdef ENABLE_AM_FIX
-                BK4819_SetFilterBandwidth(gTxVfo->CHANNEL_BANDWIDTH, true);
-            #else
-                BK4819_SetFilterBandwidth(gTxVfo->CHANNEL_BANDWIDTH, false);
-            #endif
-        }
-    #else
-        if (FUNCTION_IsRx())
-        {
-            gRxVfo->CHANNEL_BANDWIDTH = (gRxVfo->CHANNEL_BANDWIDTH == 0) ? 1: 0;
             #ifdef ENABLE_AM_FIX
                 BK4819_SetFilterBandwidth(gRxVfo->CHANNEL_BANDWIDTH, true);
             #else
@@ -594,14 +565,16 @@ void ACTION_Wn(void)
         }
         else
         {
-            gTxVfo->CHANNEL_BANDWIDTH = (gTxVfo->CHANNEL_BANDWIDTH == 0) ? 1: 0;
+            gRxVfo->CHANNEL_BANDWIDTH++;
+            if (gRxVfo->CHANNEL_BANDWIDTH > BK4819_FILTER_BW_NARROWER) {
+                gRxVfo->CHANNEL_BANDWIDTH = BK4819_FILTER_BW_WIDE;
+            }
             #ifdef ENABLE_AM_FIX
                 BK4819_SetFilterBandwidth(gTxVfo->CHANNEL_BANDWIDTH, true);
             #else
                 BK4819_SetFilterBandwidth(gTxVfo->CHANNEL_BANDWIDTH, false);
             #endif
         }
-    #endif
 }
 
 void ACTION_BackLight(void)
@@ -657,18 +630,4 @@ void ACTION_BackLightOnDemand(void)
         gUpdateStatus = true;
     }
     #endif
-
-    #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    void ACTION_Power_High(void)
-    {
-        gPowerHigh = !gPowerHigh;
-        gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
-    }
-
-    void ACTION_Remove_Offset(void)
-    {
-        gRemoveOffset = !gRemoveOffset;
-        gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
-    }
-    #endif
 #endif

app/action.h

@@ -45,10 +45,6 @@ void ACTION_SwitchDemodul(void);
     #if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
     void ACTION_Mute(void);
     #endif
-    #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-        void ACTION_Power_High(void);
-        void ACTION_Remove_Offset(void);
-    #endif
 #endif
 
 void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);

app/app.c

@@ -29,10 +29,10 @@
 #include "app/chFrScanner.h"
 #include "app/dtmf.h"
 
+#include "../ui/fmradio.h"
 #ifdef ENABLE_FLASHLIGHT
 
 #include "app/flashlight.h"
-#include "../ui/fmradio.h"
 
 #endif
 #ifdef ENABLE_FMRADIO
@@ -91,6 +91,7 @@
 #include "ui/menu.h"
 #include "ui/status.h"
 #include "ui/ui.h"
+#include "messages.h"
 
 static bool flagSaveVfo;
 static bool flagSaveSettings;
@@ -103,6 +104,7 @@ void (*ProcessKeysFunctions[])(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
         [DISPLAY_MAIN] = &MAIN_ProcessKeys,
         [DISPLAY_MENU] = &MENU_ProcessKeys,
         [DISPLAY_SCANNER] = &SCANNER_ProcessKeys,
+        [DISPLAY_MESSAGES] = &MESSAGES_ProcessKeys,
 
 #ifdef ENABLE_FMRADIO
         [DISPLAY_FM] = &FM_ProcessKeys,
@@ -553,7 +555,7 @@ uint32_t APP_SetFreqByStepAndLimits(VFO_Info_t *pInfo, int8_t direction, uint32_
 #ifdef ENABLE_FEAT_F4HWN
     if (Frequency > upper)
 #else
-        if (Frequency >= upper)
+    if (Frequency >= upper)
 #endif
         Frequency = lower;
 
@@ -759,6 +761,7 @@ static void CheckRadioInterrupts(void) {
             }
 #endif
         }
+        FSK_HANDLE_IRQ(interrupts.__raw);
     }
 }
 
@@ -850,43 +853,6 @@ void APP_Update(void) {
     }
 #endif
 
-#ifdef ENABLE_FEAT_F4HWN
-    if (gCurrentFunction == FUNCTION_TRANSMIT && (gTxTimeoutReachedAlert || SerialConfigInProgress())) {
-        if (gSetting_set_tot >= 2) {
-            if (gEeprom.BACKLIGHT_TIME == 0) {
-                if (gBlinkCounter == 0 || gBlinkCounter == 250) {
-                    GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
-                }
-            } else {
-                if (gBlinkCounter == 0) {
-                    //BACKLIGHT_TurnOn();
-                    BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MAX);
-                } else if (gBlinkCounter == 15000) {
-                    //BACKLIGHT_TurnOff();
-                    BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MIN);
-                }
-            }
-        }
-
-        gBlinkCounter++;
-
-        if (
-                (gSetting_set_tot == 3 && gEeprom.BACKLIGHT_TIME != 0 && gBlinkCounter > 74000) ||
-                (gSetting_set_tot == 3 && gEeprom.BACKLIGHT_TIME == 0 && gBlinkCounter > 79000) ||
-                (gSetting_set_tot != 3 && gBlinkCounter > 76000)
-                ) // try to calibrate 10 times
-        {
-            gBlinkCounter = 0;
-
-            if (gSetting_set_tot == 1 || gSetting_set_tot == 3) {
-                BK4819_DisableScramble();
-                BK4819_PlaySingleTone(gTxTimeoutToneAlert, 30, 1, true);
-                gTxTimeoutToneAlert += 100;
-            }
-        }
-    }
-#endif
-
     if (gCurrentFunction == FUNCTION_TRANSMIT &&
         (gTxTimeoutReached || SerialConfigInProgress())) {   // transmitter timed out or must de-key
         gTxTimeoutReached = false;
@@ -970,13 +936,13 @@ void APP_Update(void) {
         && gScanStateDir == SCAN_OFF
         && !gPttIsPressed
         && gCurrentFunction != FUNCTION_POWER_SAVE
-        #ifdef ENABLE_VOICE
+#ifdef ENABLE_VOICE
         && gVoiceWriteIndex == 0
-        #endif
-        #ifdef ENABLE_FMRADIO
+#endif
+#ifdef ENABLE_FMRADIO
         && !gFmRadioMode
-        #endif
-        #ifdef ENABLE_DTMF_CALLING
+#endif
+#ifdef ENABLE_DTMF_CALLING
         && gDTMF_CallState == DTMF_CALL_STATE_NONE
 #endif
             ) {
@@ -1012,10 +978,10 @@ void APP_Update(void) {
             || gScanStateDir != SCAN_OFF
             || gCssBackgroundScan
             || gScreenToDisplay != DISPLAY_MAIN
-            #ifdef ENABLE_FMRADIO
+#ifdef ENABLE_FMRADIO
             || gFmRadioMode
-            #endif
-            #ifdef ENABLE_DTMF_CALLING
+#endif
+#ifdef ENABLE_DTMF_CALLING
             || gDTMF_CallState != DTMF_CALL_STATE_NONE
 #endif
 #ifdef ENABLE_NOAA
@@ -1169,10 +1135,9 @@ static void CheckKeys(void) {
             gPttDebounceCounter = 0;
     }
 #else
-    if (gPttIsPressed)
-    {
-        if (GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT) || SerialConfigInProgress())
-        {   // PTT released or serial comms config in progress
+    if (gPttIsPressed) {
+        if (GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT) ||
+            SerialConfigInProgress()) {   // PTT released or serial comms config in progress
             if (++gPttDebounceCounter >= 3 || SerialConfigInProgress())     // 30ms
             {   // stop transmitting
                 ProcessKey(KEY_PTT, false, false);
@@ -1180,21 +1145,17 @@ static void CheckKeys(void) {
                 if (gKeyReading1 != KEY_INVALID)
                     gPttWasReleased = true;
             }
-        }
-        else
+        } else
             gPttDebounceCounter = 0;
-    }
-    else if (!GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT) && !SerialConfigInProgress())
-    {   // PTT pressed
+    } else if (!GPIO_CheckBit(&GPIOC->DATA, GPIOC_PIN_PTT) && !SerialConfigInProgress()) {   // PTT pressed
         if (++gPttDebounceCounter >= 3)     // 30ms
         {   // start transmitting
-            boot_counter_10ms   = 0;
+            boot_counter_10ms = 0;
             gPttDebounceCounter = 0;
-            gPttIsPressed       = true;
+            gPttIsPressed = true;
             ProcessKey(KEY_PTT, true, false);
         }
-    }
-    else
+    } else
         gPttDebounceCounter = 0;
 #endif
 
@@ -1310,11 +1271,9 @@ void APP_TimeSlice10ms(void) {
         return;
 #endif
 
-#if !defined(ENABLE_FEAT_F4HWN) || defined(ENABLE_FEAT_F4HWN_RESCUE_OPS)
 #ifdef ENABLE_FLASHLIGHT
     FlashlightTimeSlice();
 #endif
-#endif
 
 #ifdef ENABLE_VOX
     if (gVoxResumeCountdown > 0)
@@ -1395,6 +1354,10 @@ void APP_TimeSlice10ms(void) {
 
     SCANNER_TimeSlice10ms();
 
+//    if (gEnteringSMS == SMS_NOT_ENTERING) {
+//        MSG_FSKReceiveData();
+//    }
+
 #ifdef ENABLE_AIRCOPY
     if (gScreenToDisplay == DISPLAY_AIRCOPY && gAircopyState == AIRCOPY_TRANSFER && gAirCopyIsSendMode == 1) {
         if (!AIRCOPY_SendMessage()) {
@@ -1632,7 +1595,7 @@ void APP_TimeSlice500ms(void) {
 #endif
 
             if (disp == DISPLAY_INVALID
-                #ifdef ENABLE_NO_CODE_SCAN_TIMEOUT
+#ifdef ENABLE_NO_CODE_SCAN_TIMEOUT
                 && !SCANNER_IsScanning()
 #endif
                     ) {
@@ -1658,6 +1621,8 @@ void APP_TimeSlice500ms(void) {
 
     BATTERY_TimeSlice500ms();
     SCANNER_TimeSlice500ms();
+    MESSAGES_TimeSlice500ms();
+    FSKModem_TimeSlice500ms();
     UI_MAIN_TimeSlice500ms();
 
 #ifdef ENABLE_DTMF_CALLING
@@ -1818,8 +1783,8 @@ static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
 
     bool lowBatPopup = gLowBattery && !gLowBatteryConfirmed && gScreenToDisplay == DISPLAY_MAIN;
 
-    if ((gEeprom.KEY_LOCK || lowBatPopup) && gCurrentFunction != FUNCTION_TRANSMIT)
-    {   // keyboard is locked or low battery popup
+    if ((gEeprom.KEY_LOCK || lowBatPopup) &&
+        gCurrentFunction != FUNCTION_TRANSMIT) {   // keyboard is locked or low battery popup
 
         // close low battery popup
         if (Key == KEY_EXIT && bKeyPressed && lowBatPopup) {
@@ -1888,7 +1853,7 @@ static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
 #ifdef ENABLE_FEAT_F4HWN // For F + SIDE1 or F + SIDE2
     if (gWasFKeyPressed && (Key == KEY_PTT || Key == KEY_EXIT)) {
 #else
-        if (gWasFKeyPressed && (Key == KEY_PTT || Key == KEY_EXIT || Key == KEY_SIDE1 || Key == KEY_SIDE2)) {
+    if (gWasFKeyPressed && (Key == KEY_PTT || Key == KEY_EXIT || Key == KEY_SIDE1 || Key == KEY_SIDE2)) {
 #endif
         // cancel the F-key
         gWasFKeyPressed = false;
@@ -1928,10 +1893,7 @@ static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
 
                     BK4819_ExitDTMF_TX(false);
 
-                    if (gCurrentVfo->SCRAMBLING_TYPE == 0)
-                        BK4819_DisableScramble();
-                    else
-                        BK4819_EnableScramble(gCurrentVfo->SCRAMBLING_TYPE - 1);
+                    BK4819_SetScramble(gCurrentVfo->SCRAMBLING_TYPE);
 
                 }
             } else {
@@ -1940,7 +1902,7 @@ static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
                     gEnableSpeaker = true;
                 }
 
-                BK4819_DisableScramble();
+                BK4819_SetScramble(0);
 
                 if (Code == 0xFE)
                     BK4819_TransmitTone(gEeprom.DTMF_SIDE_TONE, 1750);
@@ -1965,15 +1927,15 @@ static void ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
 #endif
     }
 #ifdef ENABLE_FEAT_F4HWN // For F + SIDE1 or F + SIDE2
-    else if (gWasFKeyPressed && (Key == KEY_SIDE1 || Key == KEY_SIDE2)) {
-        ProcessKeysFunctions[gScreenToDisplay](Key, bKeyPressed, bKeyHeld);
-    } else if (Key != KEY_SIDE1 && Key != KEY_SIDE2 && gScreenToDisplay != DISPLAY_INVALID) {
-        ProcessKeysFunctions[gScreenToDisplay](Key, bKeyPressed, bKeyHeld);
-    }
-#else
-        else if (Key != KEY_SIDE1 && Key != KEY_SIDE2 && gScreenToDisplay != DISPLAY_INVALID) {
+        else if (gWasFKeyPressed && (Key == KEY_SIDE1 || Key == KEY_SIDE2)) {
+            ProcessKeysFunctions[gScreenToDisplay](Key, bKeyPressed, bKeyHeld);
+        } else if (Key != KEY_SIDE1 && Key != KEY_SIDE2 && gScreenToDisplay != DISPLAY_INVALID) {
             ProcessKeysFunctions[gScreenToDisplay](Key, bKeyPressed, bKeyHeld);
         }
+#else
+    else if (Key != KEY_SIDE1 && Key != KEY_SIDE2 && gScreenToDisplay != DISPLAY_INVALID) {
+        ProcessKeysFunctions[gScreenToDisplay](Key, bKeyPressed, bKeyHeld);
+    }
 #endif
     else if (!SCANNER_IsScanning()
 #ifdef ENABLE_AIRCOPY

app/flashlight.c

@@ -5,79 +5,60 @@
 
 #include "flashlight.h"
 
-#if !defined(ENABLE_FEAT_F4HWN) || defined(ENABLE_FEAT_F4HWN_RESCUE_OPS)
-    enum FlashlightMode_t  gFlashLightState;
+enum FlashlightMode_t gFlashLightState;
 
-    void FlashlightTimeSlice()
-    {
-        if (gFlashLightState == FLASHLIGHT_BLINK && (gFlashLightBlinkCounter & 15u) == 0) {
-            GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
+void FlashlightTimeSlice() {
+    if (gFlashLightState == FLASHLIGHT_BLINK && (gFlashLightBlinkCounter & 15u) == 0) {
+        GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
+        return;
+    }
+
+    if (gFlashLightState == FLASHLIGHT_SOS) {
+        const uint16_t u = 15;
+        static uint8_t c;
+        static uint16_t next;
+
+        if (gFlashLightBlinkCounter - next > 7 * u) {
+            c = 0;
+            next = gFlashLightBlinkCounter + 1;
             return;
         }
 
-        if (gFlashLightState == FLASHLIGHT_SOS) {
-            const uint16_t u = 15;
-            static uint8_t c;
-            static uint16_t next;
-
-            if (gFlashLightBlinkCounter - next > 7 * u) {
-                c = 0;
-                next = gFlashLightBlinkCounter + 1;
-                return;
-            }
-
-            if (gFlashLightBlinkCounter == next) {
-                if (c==0) {
-                    GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
-                } else {
-                    GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
-                }
-
-                if (c >= 18) {
-                    next = gFlashLightBlinkCounter + 7 * u;
-                    c = 0;
-                } else if(c==7 || c==9 || c==11) {
-                    next = gFlashLightBlinkCounter + 3 * u;
-                } else {
-                    next = gFlashLightBlinkCounter + u;
-                }
-                c++;
-            }
-        }
-    }
-
-    void ACTION_FlashLight(void)
-    {
-        switch (gFlashLightState) {
-            case FLASHLIGHT_OFF:
-                gFlashLightState++;
-                GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
-                break;
-            case FLASHLIGHT_ON:
-            case FLASHLIGHT_BLINK:
-                gFlashLightState++;
-                break;
-            case FLASHLIGHT_SOS:
-            default:
-                gFlashLightState = 0;
+        if (gFlashLightBlinkCounter == next) {
+            if (c == 0) {
                 GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
+            } else {
+                GPIO_FlipBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
+            }
+
+            if (c >= 18) {
+                next = gFlashLightBlinkCounter + 7 * u;
+                c = 0;
+            } else if (c == 7 || c == 9 || c == 11) {
+                next = gFlashLightBlinkCounter + 3 * u;
+            } else {
+                next = gFlashLightBlinkCounter + u;
+            }
+            c++;
         }
     }
-#else
-    void ACTION_FlashLight(void)
-    {
-        static bool gFlashLightState = false;
+}
 
-        if(gFlashLightState)
-        {
+void ACTION_FlashLight(void) {
+    switch (gFlashLightState) {
+        case FLASHLIGHT_OFF:
+            gFlashLightState++;
+            GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
+            break;
+        case FLASHLIGHT_ON:
+        case FLASHLIGHT_BLINK:
+            gFlashLightState++;
+            break;
+        case FLASHLIGHT_SOS:
+        default:
+            gFlashLightState = 0;
             GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);
-        }
-        else
-        {
-            GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_FLASHLIGHT);    
-        }
-
-        gFlashLightState = (gFlashLightState) ? false : true;
     }
-#endif
-#endif
+}
+
+#endif

app/flashlight.h

@@ -5,7 +5,6 @@
 
 #include <stdint.h>
 
-#if !defined(ENABLE_FEAT_F4HWN) || defined(ENABLE_FEAT_F4HWN_RESCUE_OPS)
     enum FlashlightMode_t {
         FLASHLIGHT_OFF = 0,
         FLASHLIGHT_ON,
@@ -17,7 +16,6 @@
     extern volatile uint16_t     gFlashLightBlinkCounter;
 
     void FlashlightTimeSlice(void);
-#endif
 void ACTION_FlashLight(void);
 
 #endif

app/fm.c

@@ -31,22 +31,22 @@
 #include "settings.h"
 #include "ui/inputbox.h"
 #include "ui/ui.h"
+#include "driver/systick.h"
 
 #ifndef ARRAY_SIZE
-    #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 #endif
 
-uint16_t          gFM_Channels[20];
-bool              gFmRadioMode;
-uint8_t           gFmRadioCountdown_500ms;
+uint16_t gFM_Channels[20];
+bool gFmRadioMode;
+uint8_t gFmRadioCountdown_500ms;
 volatile uint16_t gFmPlayCountdown_10ms;
-volatile int8_t   gFM_ScanState;
-bool              gFM_AutoScan;
-uint8_t           gFM_ChannelPosition;
-bool              gFM_FoundFrequency;
-bool              gFM_AutoScan;
-uint16_t          gFM_RestoreCountdown_10ms;
-
+volatile int8_t gFM_ScanState;
+bool gFM_AutoScan;
+uint8_t gFM_ChannelPosition;
+bool gFM_FoundFrequency;
+bool gFM_AutoScan;
+uint16_t gFM_RestoreCountdown_10ms;
 
 
 const uint8_t BUTTON_STATE_PRESSED = 1 << 0;
@@ -54,21 +54,19 @@ const uint8_t BUTTON_STATE_HELD = 1 << 1;
 
 const uint8_t BUTTON_EVENT_PRESSED = BUTTON_STATE_PRESSED;
 const uint8_t BUTTON_EVENT_HELD = BUTTON_STATE_PRESSED | BUTTON_STATE_HELD;
-const uint8_t BUTTON_EVENT_SHORT =  0;
-const uint8_t BUTTON_EVENT_LONG =  BUTTON_STATE_HELD;
+const uint8_t BUTTON_EVENT_SHORT = 0;
+const uint8_t BUTTON_EVENT_LONG = BUTTON_STATE_HELD;
 
 
 static void Key_FUNC(KEY_Code_t Key, uint8_t state);
 
-bool FM_CheckValidChannel(uint8_t Channel)
-{
-    return  Channel < ARRAY_SIZE(gFM_Channels) && 
-            gFM_Channels[Channel] >= BK1080_GetFreqLoLimit(gEeprom.FM_Band) && 
-            gFM_Channels[Channel] < BK1080_GetFreqHiLimit(gEeprom.FM_Band);
+bool FM_CheckValidChannel(uint8_t Channel) {
+    return Channel < ARRAY_SIZE(gFM_Channels) &&
+           gFM_Channels[Channel] >= BK1080_GetFreqLoLimit(gEeprom.FM_Band) &&
+           gFM_Channels[Channel] < BK1080_GetFreqHiLimit(gEeprom.FM_Band);
 }
 
-uint8_t FM_FindNextChannel(uint8_t Channel, uint8_t Direction)
-{
+uint8_t FM_FindNextChannel(uint8_t Channel, uint8_t Direction) {
     for (unsigned i = 0; i < ARRAY_SIZE(gFM_Channels); i++) {
         if (Channel == 0xFF)
             Channel = ARRAY_SIZE(gFM_Channels) - 1;
@@ -82,8 +80,7 @@ uint8_t FM_FindNextChannel(uint8_t Channel, uint8_t Direction)
     return 0xFF;
 }
 
-int FM_ConfigureChannelState(void)
-{
+int FM_ConfigureChannelState(void) {
     gEeprom.FM_FrequencyPlaying = gEeprom.FM_SelectedFrequency;
 
     if (gEeprom.FM_IsMrMode) {
@@ -92,17 +89,16 @@ int FM_ConfigureChannelState(void)
             gEeprom.FM_IsMrMode = false;
             return -1;
         }
-        gEeprom.FM_SelectedChannel  = Channel;
+        gEeprom.FM_SelectedChannel = Channel;
         gEeprom.FM_FrequencyPlaying = gFM_Channels[Channel];
     }
 
     return 0;
 }
 
-void FM_TurnOff(void)
-{
-    gFmRadioMode              = false;
-    gFM_ScanState             = FM_SCAN_OFF;
+void FM_TurnOff(void) {
+    gFmRadioMode = false;
+    gFM_ScanState = FM_SCAN_OFF;
     gFM_RestoreCountdown_10ms = 0;
 
     AUDIO_AudioPathOff();
@@ -110,17 +106,16 @@ void FM_TurnOff(void)
 
     BK1080_Init0();
 
-    gUpdateStatus  = true;
+    gUpdateStatus = true;
 
-    #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
-        gEeprom.CURRENT_STATE = 0;
-        SETTINGS_WriteCurrentState();
-    #endif
+#ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
+    gEeprom.CURRENT_STATE = 0;
+    SETTINGS_WriteCurrentState();
+#endif
 }
 
-void FM_EraseChannels(void)
-{
-    uint8_t      Template[8];
+void FM_EraseChannels(void) {
+    uint8_t Template[8];
     memset(Template, 0xFF, sizeof(Template));
 
     for (unsigned i = 0; i < 5; i++)
@@ -129,18 +124,18 @@ void FM_EraseChannels(void)
     memset(gFM_Channels, 0xFF, sizeof(gFM_Channels));
 }
 
-void FM_Tune(uint16_t Frequency, int8_t Step, bool bFlag)
-{
+void FM_Tune(uint16_t Frequency, int8_t Step, bool bFlag) {
     AUDIO_AudioPathOff();
 
     gEnableSpeaker = false;
 
-    gFmPlayCountdown_10ms = (gFM_ScanState == FM_SCAN_OFF) ? fm_play_countdown_noscan_10ms : fm_play_countdown_scan_10ms;
+    gFmPlayCountdown_10ms = (gFM_ScanState == FM_SCAN_OFF) ? fm_play_countdown_noscan_10ms
+                                                           : fm_play_countdown_scan_10ms;
 
-    gScheduleFM                 = false;
-    gFM_FoundFrequency          = false;
-    gAskToSave                  = false;
-    gAskToDelete                = false;
+    gScheduleFM = false;
+    gFM_FoundFrequency = false;
+    gAskToSave = false;
+    gAskToDelete = false;
     gEeprom.FM_FrequencyPlaying = Frequency;
 
     if (!bFlag) {
@@ -158,12 +153,11 @@ void FM_Tune(uint16_t Frequency, int8_t Step, bool bFlag)
     BK1080_SetFrequency(gEeprom.FM_FrequencyPlaying, gEeprom.FM_Band/*, gEeprom.FM_Space*/);
 }
 
-void FM_PlayAndUpdate(void)
-{
+void FM_PlayAndUpdate(void) {
     gFM_ScanState = FM_SCAN_OFF;
 
     if (gFM_AutoScan) {
-        gEeprom.FM_IsMrMode        = true;
+        gEeprom.FM_IsMrMode = true;
         gEeprom.FM_SelectedChannel = 0;
     }
 
@@ -172,16 +166,15 @@ void FM_PlayAndUpdate(void)
     SETTINGS_SaveFM();
 
     gFmPlayCountdown_10ms = 0;
-    gScheduleFM           = false;
-    gAskToSave            = false;
+    gScheduleFM = false;
+    gAskToSave = false;
 
     AUDIO_AudioPathOn();
 
-    gEnableSpeaker   = true;
+    gEnableSpeaker = true;
 }
 
-int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
-{
+int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit) {
     int ret = -1;
 
     const uint16_t Test2 = BK1080_ReadRegister(BK1080_REG_07_TEST1);
@@ -191,7 +184,7 @@ int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
 
     if (BK1080_REG_07_GET_SNR(Test2) <= 2) {
         BK1080_FrequencyDeviation = Deviation;
-        BK1080_BaseFrequency      = Frequency;
+        BK1080_BaseFrequency = Frequency;
 
         return ret;
     }
@@ -200,7 +193,7 @@ int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
 
     if ((Status & BK1080_REG_10_MASK_AFCRL) != BK1080_REG_10_AFCRL_NOT_RAILED || BK1080_REG_10_GET_RSSI(Status) < 10) {
         BK1080_FrequencyDeviation = Deviation;
-        BK1080_BaseFrequency      = Frequency;
+        BK1080_BaseFrequency = Frequency;
 
         return ret;
     }
@@ -208,17 +201,16 @@ int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
     //if (Deviation > -281 && Deviation < 280)
     if (Deviation >= 280 && Deviation <= 3815) {
         BK1080_FrequencyDeviation = Deviation;
-        BK1080_BaseFrequency      = Frequency;
+        BK1080_BaseFrequency = Frequency;
 
         return ret;
     }
 
     // not BLE(less than or equal)
     if (Frequency > LowerLimit && (Frequency - BK1080_BaseFrequency) == 1) {
-        if (BK1080_FrequencyDeviation & 0x800 || (BK1080_FrequencyDeviation < 20))
-        {
+        if (BK1080_FrequencyDeviation & 0x800 || (BK1080_FrequencyDeviation < 20)) {
             BK1080_FrequencyDeviation = Deviation;
-            BK1080_BaseFrequency      = Frequency;
+            BK1080_BaseFrequency = Frequency;
 
             return ret;
         }
@@ -227,10 +219,9 @@ int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
     // not BLT(less than)
 
     if (Frequency >= LowerLimit && (BK1080_BaseFrequency - Frequency) == 1) {
-        if ((BK1080_FrequencyDeviation & 0x800) == 0 || (BK1080_FrequencyDeviation > 4075))
-        {
+        if ((BK1080_FrequencyDeviation & 0x800) == 0 || (BK1080_FrequencyDeviation > 4075)) {
             BK1080_FrequencyDeviation = Deviation;
-            BK1080_BaseFrequency      = Frequency;
+            BK1080_BaseFrequency = Frequency;
 
             return ret;
         }
@@ -238,14 +229,15 @@ int FM_CheckFrequencyLock(uint16_t Frequency, uint16_t LowerLimit)
 
     ret = 0;
     BK1080_FrequencyDeviation = Deviation;
-    BK1080_BaseFrequency      = Frequency;
+    BK1080_BaseFrequency = Frequency;
 
     return ret;
 }
 
-static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
-{
-    enum { STATE_FREQ_MODE, STATE_MR_MODE, STATE_SAVE };
+static void Key_DIGITS(KEY_Code_t Key, uint8_t state) {
+    enum {
+        STATE_FREQ_MODE, STATE_MR_MODE, STATE_SAVE
+    };
 
     if (state == BUTTON_EVENT_SHORT && !gWasFKeyPressed) {
         uint8_t State;
@@ -257,8 +249,7 @@ static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
 
         if (gAskToSave) {
             State = STATE_SAVE;
-        }
-        else {
+        } else {
             if (gFM_ScanState != FM_SCAN_OFF) {
                 gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
                 return;
@@ -278,20 +269,20 @@ static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
                     gInputBox[0] = 0;
                     gInputBoxIndex = 2;
                 }
-            }
-            else if (gInputBoxIndex > 3) {
+            } else if (gInputBoxIndex > 3) {
                 uint32_t Frequency;
 
                 gInputBoxIndex = 0;
                 Frequency = StrToUL(INPUTBOX_GetAscii());
 
-                if (Frequency < BK1080_GetFreqLoLimit(gEeprom.FM_Band) || BK1080_GetFreqHiLimit(gEeprom.FM_Band) < Frequency) {
-                    gBeepToPlay           = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
+                if (Frequency < BK1080_GetFreqLoLimit(gEeprom.FM_Band) ||
+                    BK1080_GetFreqHiLimit(gEeprom.FM_Band) < Frequency) {
+                    gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
                     gRequestDisplayScreen = DISPLAY_FM;
                     return;
                 }
 
-                gEeprom.FM_SelectedFrequency = (uint16_t)Frequency;
+                gEeprom.FM_SelectedFrequency = (uint16_t) Frequency;
 #ifdef ENABLE_VOICE
                 gAnotherVoiceID = (VOICE_ID_t)Key;
 #endif
@@ -300,8 +291,7 @@ static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
                 gRequestSaveFM = true;
                 return;
             }
-        }
-        else if (gInputBoxIndex == 2) {
+        } else if (gInputBoxIndex == 2) {
             uint8_t Channel;
 
             gInputBoxIndex = 0;
@@ -318,8 +308,7 @@ static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
                     gRequestSaveFM = true;
                     return;
                 }
-            }
-            else if (Channel < 20) {
+            } else if (Channel < 20) {
 #ifdef ENABLE_VOICE
                 gAnotherVoiceID = (VOICE_ID_t)Key;
 #endif
@@ -336,19 +325,17 @@ static void Key_DIGITS(KEY_Code_t Key, uint8_t state)
 #ifdef ENABLE_VOICE
         gAnotherVoiceID = (VOICE_ID_t)Key;
 #endif
-    }
-    else
+    } else
         Key_FUNC(Key, state);
 }
 
-static void Key_FUNC(KEY_Code_t Key, uint8_t state)
-{
+static void Key_FUNC(KEY_Code_t Key, uint8_t state) {
     if (state == BUTTON_EVENT_SHORT || state == BUTTON_EVENT_HELD) {
         bool autoScan = gWasFKeyPressed || (state == BUTTON_EVENT_HELD);
 
-        gBeepToPlay           = BEEP_1KHZ_60MS_OPTIONAL;
-        gWasFKeyPressed       = false;
-        gUpdateStatus         = true;
+        gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
+        gWasFKeyPressed = false;
+        gUpdateStatus = true;
         gRequestDisplayScreen = DISPLAY_FM;
 
         switch (Key) {
@@ -361,10 +348,10 @@ static void Key_FUNC(KEY_Code_t Key, uint8_t state)
                 gRequestSaveFM = true;
                 break;
 
-            // case KEY_2:
-            //  gEeprom.FM_Space = (gEeprom.FM_Space + 1) % 3;
-            //  gRequestSaveFM = true;
-            //  break;
+                // case KEY_2:
+                //  gEeprom.FM_Space = (gEeprom.FM_Space + 1) % 3;
+                //  gRequestSaveFM = true;
+                //  break;
 
             case KEY_3:
                 gEeprom.FM_IsMrMode = !gEeprom.FM_IsMrMode;
@@ -372,32 +359,30 @@ static void Key_FUNC(KEY_Code_t Key, uint8_t state)
                 if (!FM_ConfigureChannelState()) {
                     BK1080_SetFrequency(gEeprom.FM_FrequencyPlaying, gEeprom.FM_Band/*, gEeprom.FM_Space*/);
                     gRequestSaveFM = true;
-                }
-                else
+                } else
                     gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
                 break;
 
-                case KEY_4:
+            case KEY_4:
                 gEeprom.BK1080_AGC_ENABLED = !gEeprom.BK1080_AGC_ENABLED;
                 BK1080_UpdateSysconf();
                 gRequestSaveSettings = true;
                 gRequestSaveFM = true;
                 break;
 
-                case KEY_5:
+            case KEY_5:
                 gEeprom.BK1080_DEEMPHASIS_CONFIG++;
                 BK1080_UpdateSysconf();
                 gRequestSaveSettings = true;
                 gRequestSaveFM = true;
                 break;
 
-                case KEY_6:
+            case KEY_6:
                 gEeprom.BK1080_BLEND_CONFIG++;
                 BK1080_UpdateSysconf();
                 gRequestSaveSettings = true;
                 gRequestSaveFM = true;
                 break;
-
             case KEY_STAR:
                 ACTION_Scan(autoScan);
                 break;
@@ -409,8 +394,7 @@ static void Key_FUNC(KEY_Code_t Key, uint8_t state)
     }
 }
 
-static void Key_EXIT(uint8_t state)
-{
+static void Key_EXIT(uint8_t state) {
     gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
 
     if (state == BUTTON_EVENT_SHORT) {
@@ -424,10 +408,9 @@ static void Key_EXIT(uint8_t state)
                 return;
             }
 
-            gAskToSave   = false;
+            gAskToSave = false;
             gAskToDelete = false;
-        }
-        else {
+        } else {
             gInputBox[--gInputBoxIndex] = 10;
 
             if (gInputBoxIndex) {
@@ -447,8 +430,7 @@ static void Key_EXIT(uint8_t state)
 #ifdef ENABLE_VOICE
         gAnotherVoiceID = VOICE_ID_CANCEL;
 #endif
-    }
-    else {
+    } else {
         FM_PlayAndUpdate();
 #ifdef ENABLE_VOICE
         gAnotherVoiceID = VOICE_ID_SCANNING_STOP;
@@ -458,14 +440,13 @@ static void Key_EXIT(uint8_t state)
     gRequestDisplayScreen = DISPLAY_FM;
 }
 
-static void Key_MENU(uint8_t state)
-{
+static void Key_MENU(uint8_t state) {
     if (state != BUTTON_EVENT_SHORT)
         return;
 
 
     gRequestDisplayScreen = DISPLAY_FM;
-    gBeepToPlay           = BEEP_1KHZ_60MS_OPTIONAL;
+    gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
 
     if (gFM_ScanState == FM_SCAN_OFF) {
         if (!gEeprom.FM_IsMrMode) {
@@ -474,8 +455,7 @@ static void Key_MENU(uint8_t state)
                 gRequestSaveFM = true;
             }
             gAskToSave = !gAskToSave;
-        }
-        else {
+        } else {
             if (gAskToDelete) {
                 gFM_Channels[gEeprom.FM_SelectedChannel] = 0xFFFF;
 
@@ -486,10 +466,9 @@ static void Key_MENU(uint8_t state)
             }
             gAskToDelete = !gAskToDelete;
         }
-    }
-    else {
+    } else {
         if (gFM_AutoScan || !gFM_FoundFrequency) {
-            gBeepToPlay    = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
+            gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
             gInputBoxIndex = 0;
             return;
         }
@@ -502,8 +481,7 @@ static void Key_MENU(uint8_t state)
     }
 }
 
-static void Key_UP_DOWN(uint8_t state, int8_t Step)
-{
+static void Key_UP_DOWN(uint8_t state, int8_t Step) {
     if (state == BUTTON_EVENT_PRESSED) {
         if (gInputBoxIndex) {
             gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
@@ -511,13 +489,13 @@ static void Key_UP_DOWN(uint8_t state, int8_t Step)
         }
 
         gBeepToPlay = BEEP_1KHZ_60MS_OPTIONAL;
-    } else if (gInputBoxIndex || state!=BUTTON_EVENT_HELD) {
+    } else if (gInputBoxIndex || state != BUTTON_EVENT_HELD) {
         return;
     }
 
     if (gAskToSave) {
         gRequestDisplayScreen = DISPLAY_FM;
-        gFM_ChannelPosition   = NUMBER_AddWithWraparound(gFM_ChannelPosition, Step, 0, 19);
+        gFM_ChannelPosition = NUMBER_AddWithWraparound(gFM_ChannelPosition, Step, 0, 19);
         return;
     }
 
@@ -537,10 +515,9 @@ static void Key_UP_DOWN(uint8_t state, int8_t Step)
         if (Channel == 0xFF || gEeprom.FM_SelectedChannel == Channel)
             goto Bail;
 
-        gEeprom.FM_SelectedChannel  = Channel;
+        gEeprom.FM_SelectedChannel = Channel;
         gEeprom.FM_FrequencyPlaying = gFM_Channels[Channel];
-    }
-    else {
+    } else {
         uint16_t Frequency = gEeprom.FM_SelectedFrequency + Step;
 
         if (Frequency < BK1080_GetFreqLoLimit(gEeprom.FM_Band))
@@ -548,20 +525,19 @@ static void Key_UP_DOWN(uint8_t state, int8_t Step)
         else if (Frequency > BK1080_GetFreqHiLimit(gEeprom.FM_Band))
             Frequency = BK1080_GetFreqLoLimit(gEeprom.FM_Band);
 
-        gEeprom.FM_FrequencyPlaying  = Frequency;
+        gEeprom.FM_FrequencyPlaying = Frequency;
         gEeprom.FM_SelectedFrequency = gEeprom.FM_FrequencyPlaying;
     }
 
     gRequestSaveFM = true;
 
-Bail:
+    Bail:
     BK1080_SetFrequency(gEeprom.FM_FrequencyPlaying, gEeprom.FM_Band/*, gEeprom.FM_Space*/);
 
     gRequestDisplayScreen = DISPLAY_FM;
 }
 
-void FM_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
-{
+void FM_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
     uint8_t state = bKeyPressed + 2 * bKeyHeld;
 
     switch (Key) {
@@ -597,12 +573,11 @@ void FM_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
     GUI_DisplayScreen();
 }
 
-void FM_Play(void)
-{
+void FM_Play(void) {
     if (!FM_CheckFrequencyLock(gEeprom.FM_FrequencyPlaying, BK1080_GetFreqLoLimit(gEeprom.FM_Band))) {
         if (!gFM_AutoScan) {
             gFmPlayCountdown_10ms = 0;
-            gFM_FoundFrequency    = true;
+            gFM_FoundFrequency = true;
 
             if (!gEeprom.FM_IsMrMode)
                 gEeprom.FM_SelectedFrequency = gEeprom.FM_FrequencyPlaying;
@@ -632,24 +607,23 @@ void FM_Play(void)
     GUI_SelectNextDisplay(DISPLAY_FM);
 }
 
-void FM_Start(void)
-{
-    gDualWatchActive          = false;
-    gFmRadioMode              = true;
-    gFM_ScanState             = FM_SCAN_OFF;
+void FM_Start(void) {
+    gDualWatchActive = false;
+    gFmRadioMode = true;
+    gFM_ScanState = FM_SCAN_OFF;
     gFM_RestoreCountdown_10ms = 0;
 
     BK1080_Init(gEeprom.FM_FrequencyPlaying, gEeprom.FM_Band/*, gEeprom.FM_Space*/);
 
     AUDIO_AudioPathOn();
 
-    gEnableSpeaker       = true;
-    gUpdateStatus        = true;
+    gEnableSpeaker = true;
+    gUpdateStatus = true;
 
-    #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
-        gEeprom.CURRENT_STATE = 3;
-        SETTINGS_WriteCurrentState();
-    #endif
+#ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
+    gEeprom.CURRENT_STATE = 3;
+    SETTINGS_WriteCurrentState();
+#endif
 }
 
 #endif

app/fskmodem.c

@@ -3,10 +3,12 @@
 //
 
 #include "fskmodem.h"
+//#include "messages.h"
+#include "driver/uart.h"
+#include "../ui/messages.h"
 
 uint16_t TONE2_FREQ;
 
-uint8_t seq = 0;
 DataPacket dataPacket;
 
 DataPacket inBoundPacket;
@@ -15,6 +17,51 @@ uint8_t *dataPTR = dataPacket.data;
 
 SMSEnteringState gEnteringSMS = SMS_NOT_ENTERING;
 
+SMSResponseState gSMSResponseState = SMS_RESPONSE_IDLE;
+
+bool gGotACK = false;
+
+uint8_t SMSResponseCounter = 0;
+
+typedef enum {
+    Receiving,
+    Ready
+} RXState;
+
+RXState rxState = Ready;
+
+ uint8_t SMSResponseCounterTarget = 6;
+
+void FSKModem_TimeSlice500ms(void) {
+    if (SMSResponseCounter && FUNCTION_IsRx() && SMSResponseCounter++ > SMSResponseCounterTarget) {
+        switch (gSMSResponseState) {
+            case SMS_RESPONSE_ACK:
+                MSG_FSKSendData(&inBoundPacket);
+                gSMSResponseState = SMS_RESPONSE_IDLE;
+                SMSResponseCounter = 0;
+                break;
+            case SMS_RESPONSE_RETRANSMIT:
+                MSG_FSKSendData(&inBoundPacket);
+                gSMSResponseState = SMS_RESPONSE_IDLE;
+                SMSResponseCounter = 0;
+                break;
+            case SMS_RESPONSE_RESEND:
+                MSG_FSKSendData(&dataPacket);
+                gSMSResponseState = SMS_RESPONSE_IDLE;
+                SMSResponseCounter = 0;
+                break;
+            case SMS_RESPONSE_ACK_LIGHT:
+                BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, false);
+                BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2_GREEN, false);
+                gSMSResponseState = SMS_RESPONSE_IDLE;
+                SMSResponseCounter = 0;
+                break;
+            default:
+                break;
+        }
+    }
+}
+
 void MSG_ConfigureFSK(bool rx) {
     BK4819_WriteRegister(BK4819_REG_70, TONE2_ENABLE_BIT | (96U << 0));
 
@@ -93,11 +140,79 @@ void MSG_ConfigureFSK(bool rx) {
         fskParams |= FSK_SCRAMBLE_ENABLE;
     }
     BK4819_WriteRegister(BK4819_REG_59, fskParams);
-
     BK4819_WriteRegister(BK4819_REG_02, 0);
 }
 
 
+uint16_t calculateCRC(uint8_t *data, size_t length) {
+    uint16_t crc = 0xFFFF; // Example CRC-16 initialization
+    for (size_t i = 0; i < length; i++) {
+        crc ^= data[i];
+        for (uint8_t j = 0; j < 8; j++) {
+            if (crc & 1) {
+                crc = (crc >> 1) ^ 0xA001; // Example polynomial (CRC-16-IBM)
+            } else {
+                crc >>= 1;
+            }
+        }
+    }
+    return crc;
+}
+
+
+void processReceivedPacket(DataPacket *packet) {
+    char String[18];
+    char numBuf[11];  // Enough for any 64-bit unsigned integer
+    const unsigned int vfo = (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF) ? gEeprom.RX_VFO
+                                                                          : gEeprom.TX_VFO;
+
+    UART_Send(packet, sizeof(DataPacket));
+    if (packet->dest == gEeprom.FSKSRCAddress) {
+        if ((packet->flags & 0x80)) {
+            if (packet->flags & 0x40) {
+                uint16_t crcSent = calculateCRC(dataPacket.data, 20);
+                uint16_t crcGot = inBoundPacket.data[0] | (inBoundPacket.data[1] << 8);
+                if (crcSent == crcGot) {
+                    gGotACK = true;
+                    BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, true);
+                    BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2_GREEN, true);
+                    SMSResponseCounter = 1;
+                    gSMSResponseState = SMS_RESPONSE_ACK_LIGHT;
+                } else {
+                    if (--dataPacket.ttl) {
+                        gSMSResponseState = SMS_RESPONSE_RESEND;
+                        SMSResponseCounter = 1;
+                    }
+                }
+            } else {
+                AUDIO_PlayBeep(BEEP_500HZ_60MS_DOUBLE_BEEP);
+                BK4819_PlaySingleTone(1000, 250, 127, true);
+                strcpy(String, "SMS by ");
+                itoa(packet->src, numBuf);  // Convert number to string
+                strcat(String, numBuf);
+                MESSAGES_SAVE();
+                UI_DisplayPopup(String);
+                inBoundPacket.flags |= 0x40;
+                inBoundPacket.dest = inBoundPacket.src;
+                inBoundPacket.src = gEeprom.FSKSRCAddress;
+                uint16_t crcTest = calculateCRC(inBoundPacket.data, 20);
+                memset(inBoundPacket.data, 0, DataPacketDataSize);
+                inBoundPacket.data[0] = crcTest & 0xFF;
+                inBoundPacket.data[1] = (crcTest >> 8) & 0xFF;
+                gSMSResponseState = SMS_RESPONSE_ACK;
+                SMSResponseCounter = 1;
+                UI_PrintStringSmallNormal(String, 2, 0, 4);
+            }
+        }
+
+    } else if (VfoState[vfo] == VFO_STATE_NORMAL && !TX_freq_check(gCurrentVfo->freq_config_TX.Frequency)) {
+        if (packet->ttl--) {
+            SMSResponseCounter = 1;
+            gSMSResponseState = SMS_RESPONSE_RETRANSMIT;
+        }
+    }
+}
+
 void MSG_EnableRX(const bool enable) {
 
     if (enable) {
@@ -111,109 +226,202 @@ void MSG_EnableRX(const bool enable) {
     }
 }
 
-void MSG_FSKSendData() {
+void MSG_FSKSendData(DataPacket *dataPacketIn) {
+    const unsigned int vfo = (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF) ? gEeprom.RX_VFO
+                                                                          : gEeprom.TX_VFO;
+    if (VfoState[vfo] == VFO_STATE_NORMAL &&
+        !TX_freq_check(gCurrentVfo->freq_config_TX.Frequency)) {
 
-    // turn off CTCSS/CDCSS during FFSK
-    const uint16_t css_val = BK4819_ReadRegister(BK4819_REG_51);
-    BK4819_WriteRegister(BK4819_REG_51, 0);
+        RADIO_PrepareTX();
+        BK4819_SetScramble(gCurrentVfo->SCRAMBLING_TYPE);
+        BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, true);
 
-    // set the FM deviation level
-    const uint16_t dev_val = BK4819_ReadRegister(BK4819_REG_40);
+        bool isAudioOn = gEnableSpeaker;
+        if (gEnableSpeaker) {
+            AUDIO_AudioPathOff();
+            BK4819_EnterTxMute();
+            gEnableSpeaker = false;
+        }
+        // turn off CTCSS/CDCSS during FFSK
+        const uint16_t css_val = BK4819_ReadRegister(BK4819_REG_51);
+        BK4819_WriteRegister(BK4819_REG_51, 0);
 
-    {
-        uint16_t deviation;
-        switch (gEeprom.VfoInfo[gEeprom.TX_VFO].CHANNEL_BANDWIDTH) {
-            case BK4819_FILTER_BW_WIDE:
-                deviation = 1300;
-                break; // 20k // measurements by kamilsss655
-            case BK4819_FILTER_BW_NARROW:
-                deviation = 1200;
-                break; // 10k
-                // case BK4819_FILTER_BW_NARROWAVIATION:  deviation =  850; break;  // 5k
-                // case BK4819_FILTER_BW_NARROWER:        deviation =  850; break;  // 5k
-                // case BK4819_FILTER_BW_NARROWEST:	      deviation =  850; break;  // 5k
-            default:
-                deviation = 850;
-                break;  // 5k
+        // set the FM deviation level
+        const uint16_t dev_val = BK4819_ReadRegister(BK4819_REG_40);
+
+        {
+            uint16_t deviation;
+            switch (gEeprom.VfoInfo[gEeprom.TX_VFO].CHANNEL_BANDWIDTH) {
+                case BK4819_FILTER_BW_WIDE:
+                    deviation = 1300;
+                    break; // 20k // measurements by kamilsss655
+                case BK4819_FILTER_BW_NARROW:
+                    deviation = 1200;
+                    break; // 10k
+                    // case BK4819_FILTER_BW_NARROWAVIATION:  deviation =  850; break;  // 5k
+                    // case BK4819_FILTER_BW_NARROWER:        deviation =  850; break;  // 5k
+                    // case BK4819_FILTER_BW_NARROWEST:	      deviation =  850; break;  // 5k
+                default:
+                    deviation = 850;
+                    break;  // 5k
+            }
+
+            //BK4819_WriteRegister(0x40, (3u << 12) | (deviation & 0xfff));
+            BK4819_WriteRegister(BK4819_REG_40, (dev_val & 0xf000) | (deviation & 0xfff));
         }
 
-        //BK4819_WriteRegister(0x40, (3u << 12) | (deviation & 0xfff));
-        BK4819_WriteRegister(BK4819_REG_40, (dev_val & 0xf000) | (deviation & 0xfff));
-    }
+        // REG_2B   0
+        //
+        // <15> 1 Enable CTCSS/CDCSS DC cancellation after FM Demodulation   1 = enable 0 = disable
+        // <14> 1 Enable AF DC cancellation after FM Demodulation            1 = enable 0 = disable
+        // <10> 0 AF RX HPF 300Hz filter     0 = enable 1 = disable
+        // <9>  0 AF RX LPF 3kHz filter      0 = enable 1 = disable
+        // <8>  0 AF RX de-emphasis filter   0 = enable 1 = disable
+        // <2>  0 AF TX HPF 300Hz filter     0 = enable 1 = disable
+        // <1>  0 AF TX LPF filter           0 = enable 1 = disable
+        // <0>  0 AF TX pre-emphasis filter  0 = enable 1 = disable
+        //
+        // disable the 300Hz HPF and FM pre-emphasis filter
+        //
+        const uint16_t filt_val = BK4819_ReadRegister(BK4819_REG_2B);
+        BK4819_WriteRegister(BK4819_REG_2B, (1u << 2) | (1u << 0));
 
-    // REG_2B   0
-    //
-    // <15> 1 Enable CTCSS/CDCSS DC cancellation after FM Demodulation   1 = enable 0 = disable
-    // <14> 1 Enable AF DC cancellation after FM Demodulation            1 = enable 0 = disable
-    // <10> 0 AF RX HPF 300Hz filter     0 = enable 1 = disable
-    // <9>  0 AF RX LPF 3kHz filter      0 = enable 1 = disable
-    // <8>  0 AF RX de-emphasis filter   0 = enable 1 = disable
-    // <2>  0 AF TX HPF 300Hz filter     0 = enable 1 = disable
-    // <1>  0 AF TX LPF filter           0 = enable 1 = disable
-    // <0>  0 AF TX pre-emphasis filter  0 = enable 1 = disable
-    //
-    // disable the 300Hz HPF and FM pre-emphasis filter
-    //
-    const uint16_t filt_val = BK4819_ReadRegister(BK4819_REG_2B);
-    BK4819_WriteRegister(BK4819_REG_2B, (1u << 2) | (1u << 0));
-
-    MSG_ConfigureFSK(false);
+        MSG_ConfigureFSK(false);
 
 
-    SYSTEM_DelayMs(100);
+        SYSTEM_DelayMs(100);
 
-    {    // load the entire packet data into the TX FIFO buffer
-        uint16_t *ptr = (uint16_t *) &dataPacket;
-        size_t wordCount = sizeof(dataPacket) / sizeof(uint16_t);
+        {    // load the entire packet data into the TX FIFO buffer
+            uint16_t *ptr = (uint16_t *) dataPacketIn;
+            size_t wordCount = sizeof(*dataPacketIn) / sizeof(uint16_t);
 
-        for (size_t i = 0; i < wordCount; i++) {
-            BK4819_WriteRegister(BK4819_REG_5F, ptr[i]);
-        }
-    }
-
-    // enable FSK TX
-    BK4819_FskEnableTx();
-
-    {
-        // allow up to 310ms for the TX to complete
-        // if it takes any longer then somethings gone wrong, we shut the TX down
-        unsigned int timeout = 1000 / 5;
-
-        while (timeout-- > 0) {
-            SYSTEM_DelayMs(5);
-            if (BK4819_ReadRegister(BK4819_REG_0C) & (1u << 0)) {    // we have interrupt flags
-                BK4819_WriteRegister(BK4819_REG_02, 0);
-                if (BK4819_ReadRegister(BK4819_REG_02) & BK4819_REG_02_FSK_TX_FINISHED)
-                    timeout = 0;       // TX is complete
+            for (size_t i = 0; i < wordCount; i++) {
+                BK4819_WriteRegister(BK4819_REG_5F, ptr[i]);
             }
         }
+
+        // enable FSK TX
+        BK4819_FskEnableTx();
+
+        {
+            // allow up to 310ms for the TX to complete
+            // if it takes any longer then somethings gone wrong, we shut the TX down
+            unsigned int timeout = 1000 / 5;
+
+            while (timeout-- > 0) {
+                SYSTEM_DelayMs(5);
+                if (BK4819_ReadRegister(BK4819_REG_0C) & (1u << 0)) {    // we have interrupt flags
+                    BK4819_WriteRegister(BK4819_REG_02, 0);
+                    if (BK4819_ReadRegister(BK4819_REG_02) & BK4819_REG_02_FSK_TX_FINISHED)
+                        timeout = 0;       // TX is complete
+                }
+            }
+        }
+        //BK4819_WriteRegister(BK4819_REG_02, 0);
+
+        SYSTEM_DelayMs(100);
+
+        // disable TX
+        MSG_ConfigureFSK(true);
+
+        // restore FM deviation level
+        BK4819_WriteRegister(BK4819_REG_40, dev_val);
+
+        // restore TX/RX filtering
+        BK4819_WriteRegister(BK4819_REG_2B, filt_val);
+
+        // restore the CTCSS/CDCSS setting
+        BK4819_WriteRegister(BK4819_REG_51, css_val);
+
+        SYSTEM_DelayMs(50);
+        APP_EndTransmission();
+        FUNCTION_Select(FUNCTION_FOREGROUND);
+        gUpdateStatus = true;
+        gUpdateDisplay = true;
+        gFlagEndTransmission = false;
+
+        if (isAudioOn) {
+            AUDIO_AudioPathOn();
+            gEnableSpeaker = true;
+            BK4819_ExitTxMute();
+        }
+
+        if (!(dataPacketIn->flags & 0x64)) {
+            gGotACK = false;
+        }
+        BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, false);
+        MSG_EnableRX(true);
+        gVfoConfigureMode = VFO_CONFIGURE;
+        dataPTR = dataPacket.data;
+
     }
-    //BK4819_WriteRegister(BK4819_REG_02, 0);
-
-    SYSTEM_DelayMs(100);
-
-    // disable TX
-    MSG_ConfigureFSK(true);
-
-    // restore FM deviation level
-    BK4819_WriteRegister(BK4819_REG_40, dev_val);
-
-    // restore TX/RX filtering
-    BK4819_WriteRegister(BK4819_REG_2B, filt_val);
-
-    // restore the CTCSS/CDCSS setting
-    BK4819_WriteRegister(BK4819_REG_51, css_val);
-
-    SYSTEM_DelayMs(50);
-    APP_EndTransmission();
-    FUNCTION_Select(FUNCTION_FOREGROUND);
-    gUpdateStatus = true;
-    gUpdateDisplay = true;
-    gFlagEndTransmission = false;
-
 }
 
 void prepareDataPacket() {
     dataPacket.src = gEeprom.FSKSRCAddress;
-    dataPacket.seq = seq++;
+    uint8_t Data[8];
+    EEPROM_ReadBuffer(SEQParameterEEPROM, Data, 8);
+    dataPacket.seq = Data[0];
+    Data[0]++;
+    EEPROM_WriteBuffer(SEQParameterEEPROM, Data);
+    dataPacket.ttl = 20;
+}
+
+void FSK_HANDLE_IRQ(unsigned short irq) {
+    //const uint16_t rx_sync_flags   = BK4819_ReadRegister(BK4819_REG_0B);
+
+    const bool rx_sync = (irq & BK4819_REG_02_FSK_RX_SYNC) != 0;
+    const bool rx_fifo_almost_full = (irq & BK4819_REG_02_FSK_FIFO_ALMOST_FULL) != 0;
+    const bool rx_finished = (irq & BK4819_REG_02_FSK_RX_FINISHED) != 0;
+
+    //UART_printf("\nMSG : S%i, F%i, E%i | %i", rx_sync, rx_fifo_almost_full, rx_finished, irq);
+
+    if (rx_sync) {
+        // prevent listening to fsk data and squelch (kamilsss655)
+        // CTCSS codes seem to false trigger the rx_sync
+        if (gCurrentCodeType == CODE_TYPE_OFF)
+            AUDIO_AudioPathOff();
+        gFSKWriteIndex = 0;
+        memset(&inBoundPacket, 0, sizeof(DataPacket));
+        rxState = Receiving;
+    }
+
+    if (rx_fifo_almost_full && rxState == Receiving) {
+        const uint16_t count = BK4819_ReadRegister(BK4819_REG_5E) & (7u << 0);  // Almost full threshold
+        uint16_t *ptr = (uint16_t *) &inBoundPacket;
+        size_t wordCount = sizeof(inBoundPacket) / sizeof(uint16_t);
+
+        for (uint16_t i = 0; i < count && gFSKWriteIndex < wordCount; i++) {
+            ptr[gFSKWriteIndex++] = BK4819_ReadRegister(BK4819_REG_5F);
+            UART_Send((const void *) &ptr[gFSKWriteIndex - 1], 2);
+        }
+
+        SYSTEM_DelayMs(10);
+    }
+
+    if (rx_finished) {
+        // Turn off green LED
+        BK4819_FskClearFifo();
+
+        rxState = Ready;
+
+        if (gFSKWriteIndex > 2) {
+            // Validate checksum (assuming last 2 bytes are CRC-16)
+            //size_t dataLength = sizeof(inBoundPacket.data) - 2;
+            //uint16_t receivedCRC = (inBoundPacket.data[dataLength] << 8) | inBoundPacket.data[dataLength + 1];
+            //uint16_t calculatedCRC = calculateCRC(inBoundPacket.data, dataLength);
+
+            //if (receivedCRC == calculatedCRC) {
+            processReceivedPacket(&inBoundPacket);
+            //}
+        }
+
+        APP_EndTransmission();
+        FUNCTION_Select(FUNCTION_FOREGROUND);
+        gUpdateStatus = true;
+        gUpdateDisplay = true;
+        gFlagEndTransmission = false;
+
+        gFSKWriteIndex = 0;
+    }
 }

app/fskmodem.h

@@ -14,6 +14,11 @@
 #include "../driver/system.h"
 #include "../misc.h"
 #include "../app/app.h"
+#include <string.h>
+#include "../audio.h"
+#include <stdio.h>
+#include "../ui/helper.h"
+#include "../ui/main.h"
 
 // REG_70 bit definitions
 #define TONE1_ENABLE_BIT      (1U << 15)
@@ -73,34 +78,58 @@
 #define FSK_CRC_ON (1U << 6)
 #define FSK_CRC_OFF (0U << 6)
 
-#define DataPacketDataSize (36)
+#define DataPacketDataSize (21)
+
+#define SEQParameterEEPROM 0x1BD0
 
 typedef struct {
-    uint32_t dest;
-    uint32_t src;
-    uint8_t seq;
-    uint8_t flags;
+    uint32_t dest; //4bytes
+    uint32_t src; //4bytes
+    uint8_t seq; //1bytes
+    uint8_t ttl; //1bytes
+    uint8_t flags; //1bytes
     uint8_t data[DataPacketDataSize];
 } DataPacket;
 
 void prepareDataPacket();
 
-void MSG_FSKSendData();
+void MSG_FSKSendData(DataPacket *dataPacketIn);
 
 void MSG_EnableRX(bool enable);
 
+void processReceivedPacket(DataPacket *packet);
+
+uint16_t calculateCRC(uint8_t *data, size_t length);
+
 extern DataPacket dataPacket;
 
 extern DataPacket inBoundPacket;
 
 typedef enum {
-    SMS_NOT_ENTERING,
+    SMS_NOT_ENTERING = 0,
     SMS_ENTERING_DEST,
     SMS_ENTERING_MESSAGE
 } SMSEnteringState;
 
+typedef enum {
+    SMS_RESPONSE_IDLE,
+    SMS_RESPONSE_ACK,
+    SMS_RESPONSE_ACK_LIGHT,
+    SMS_RESPONSE_RETRANSMIT,
+    SMS_RESPONSE_RESEND
+} SMSResponseState;
+
 extern SMSEnteringState gEnteringSMS;
+extern SMSResponseState gSMSResponseState;
 
 extern uint8_t *dataPTR;
 
+extern bool gGotACK;
+
+extern uint8_t SMSResponseCounter;
+
+void FSK_HANDLE_IRQ(unsigned short irq);
+
+void FSKModem_TimeSlice500ms(void);
+
 #endif //UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H

app/main.c

@@ -49,21 +49,6 @@
 #include "ui/ui.h"
 #include <stdlib.h>
 
-#define T9Count 9
-
-const char T9Table[10][T9Count] = {
-        {'#', '(', ')', ';', ':', '<', '>', '/',  '0'},
-        {',', '.', '?', '&', '!', ' ', '-', '_',  '1'},
-        {'a', 'b', 'c', 'A', 'B', 'C', '[', ']',  '2'},
-        {'d', 'e', 'f', 'D', 'E', 'F', '@', '%',  '3'},
-        {'g', 'h', 'i', 'G', 'H', 'I', '~', '$',  '4'},
-        {'j', 'k', 'l', 'J', 'K', 'L', '|', '*',  '5'},
-        {'m', 'n', 'o', 'M', 'N', 'O', '{', '}',  '6'},
-        {'p', 'q', 'r', 's', 'P', 'Q', 'R', 'S',  '7'},
-        {'t', 'u', 'v', 'T', 'U', 'V', '"', '\'', '8'},
-        {'w', 'x', 'y', 'z', 'W', 'X', 'Y', 'Z',  '9'}
-};
-
 static void toggle_chan_scanlist(void) {   // toggle the selected channels scanlist setting
 
     if (SCANNER_IsScanning())
@@ -270,7 +255,7 @@ static void processFKeyFunction(const KEY_Code_t Key, const bool beep) {
             break;
 
         case KEY_8:
-            gTxVfo->FrequencyReverse = gTxVfo->FrequencyReverse == false;
+            gTxVfo->FrequencyReverse = !gTxVfo->FrequencyReverse;
             gRequestSaveChannel = 1;
             break;
 
@@ -360,10 +345,8 @@ void channelMove(uint16_t Channel) {
     //gRequestSaveVFO            = true;
     gVfoConfigureMode = VFO_CONFIGURE_RELOAD;
 
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
     gRemoveOffset = false;
     gPowerHigh = false;
-#endif
 
     RADIO_ConfigureChannel(gEeprom.TX_VFO, gVfoConfigureMode);
 
@@ -660,7 +643,7 @@ static void MAIN_Key_MENU(bool bKeyPressed, bool bKeyHeld) {
 #ifdef ENABLE_FEAT_F4HWN
             // Exclude work with list 1, 2, 3 or all list
             if (gScanStateDir != SCAN_OFF) {
-                if (FUNCTION_IsRx()) {
+                if (FUNCTION_IsRx() || gScanPauseDelayIn_10ms > 9) {
                     gMR_ChannelExclude[gTxVfo->CHANNEL_SAVE] = true;
 
                     gVfoConfigureMode = VFO_CONFIGURE;
@@ -693,6 +676,11 @@ static void MAIN_Key_MENU(bool bKeyPressed, bool bKeyHeld) {
         return;
     }
 
+    if (gWasFKeyPressed && bKeyPressed) {
+        gRequestDisplayScreen = DISPLAY_MESSAGES;
+        return;
+    }
+
     if (!bKeyPressed && !gDTMF_InputMode) { // menu key released
         const bool bFlag = !gInputBoxIndex;
         gInputBoxIndex = 0;
@@ -825,10 +813,8 @@ static void MAIN_Key_UP_DOWN(bool bKeyPressed, bool bKeyHeld, int8_t Direction)
     }
 #endif
 
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
     gRemoveOffset = false;
     gPowerHigh = false;
-#endif
 
     uint8_t Channel = gEeprom.ScreenChannel[gEeprom.TX_VFO];
 
@@ -910,11 +896,6 @@ static void MAIN_Key_UP_DOWN(bool bKeyPressed, bool bKeyHeld, int8_t Direction)
     gPttWasReleased = true;
 }
 
-void updatePrevChar(KEY_Code_t Key) {
-    if (Key != prevKey) {
-        prevKey = Key;
-    }
-}
 
 void MAIN_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
 #ifdef ENABLE_FMRADIO
@@ -943,108 +924,6 @@ void MAIN_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
 //      Key = KEY_SIDE2;      // what's this doing ???
 //  }
 
-    if (Key == KEY_9 && bKeyHeld) {
-        if (bKeyPressed) {
-            if (gEnteringSMS == SMS_NOT_ENTERING) {
-                gEnteringSMS = SMS_ENTERING_DEST;
-                updatePrevChar(Key);
-                return;
-            }
-        }
-    }
-    if (Key == KEY_MENU) {
-        if (gEnteringSMS == SMS_ENTERING_DEST) {
-            if (bKeyPressed) {
-                memset(dataPacket.data, 0, DataPacketDataSize);
-                prepareDataPacket();
-                dataPacket.flags = 126;
-                gEnteringSMS = SMS_ENTERING_MESSAGE;
-            }
-            return;
-        }
-        if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
-            if (bKeyPressed) {
-                if (strlen((char *) dataPacket.data)) {
-                    const unsigned int vfo = (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF) ? gEeprom.RX_VFO
-                                                                                          : gEeprom.TX_VFO;
-                    if (VfoState[vfo] == VFO_STATE_NORMAL && !TX_freq_check(gCurrentVfo->freq_config_TX.Frequency)) {
-                        AUDIO_AudioPathOff();
-                        gEnableSpeaker = false;
-                        RADIO_PrepareTX();
-                        if (gCurrentVfo->SCRAMBLING_TYPE > 0)
-                            BK4819_EnableScramble(gCurrentVfo->SCRAMBLING_TYPE - 1);
-                        else
-                            BK4819_DisableScramble();
-                        BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, true);
-                        MSG_FSKSendData();
-                        BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1_RED, false);
-                        AUDIO_AudioPathOn();
-                        gEnableSpeaker = true;
-                        BK4819_ExitTxMute();
-                        MSG_EnableRX(true);
-                        gVfoConfigureMode = VFO_CONFIGURE;
-                        dataPTR = dataPacket.data;
-                        memset(dataPacket.data, 0, DataPacketDataSize);
-                    }
-                    gEnteringSMS = SMS_NOT_ENTERING;
-                }
-            }
-            return;
-        }
-    }
-    if (Key == KEY_EXIT && gEnteringSMS != SMS_NOT_ENTERING) {
-        if (bKeyHeld) {
-            if (bKeyPressed) {
-                gEnteringSMS = SMS_NOT_ENTERING;
-                dataPTR = dataPacket.data;
-                memset(dataPacket.data, 0, DataPacketDataSize);
-            }
-        } else {
-            if (bKeyPressed) {
-                if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
-                    if (dataPacket.data <= dataPTR) {
-                        *dataPTR = '\0';
-                        if (dataPacket.data < dataPTR) {
-                            dataPTR--;
-                        }
-                        *dataPTR = '\0';
-                    }
-                } else if (gEnteringSMS == SMS_ENTERING_DEST) {
-                    dataPacket.dest /= 10;
-                }
-            }
-        }
-        updatePrevChar(Key);
-        return;
-    }
-
-    if (gEnteringSMS != SMS_NOT_ENTERING && !bKeyHeld) {
-        if (!dataPTR) {
-            dataPTR = dataPacket.data;
-        }
-        if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
-            if (bKeyPressed) {
-                if (prevKey != Key) {
-                    dataPTR++;
-                    if (dataPTR - dataPacket.data >= DataPacketDataSize) {
-                        dataPTR = dataPacket.data;
-                    }
-                    prevLetter = 0;
-                }
-                *(dataPTR - 1) = T9Table[Key][(prevLetter++) % T9Count];
-                updatePrevChar(Key);
-            }
-            return;
-        } else if (gEnteringSMS == SMS_ENTERING_DEST) {
-            if (bKeyPressed) {
-                dataPacket.dest *= 10;
-                dataPacket.dest += Key;
-                prevLetter = 0;
-            }
-            return;
-        }
-    }
-
     switch (Key) {
 #ifdef ENABLE_FEAT_F4HWN
         case KEY_SIDE1:

app/menu.c

@@ -121,6 +121,11 @@ int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax) {
             *pMax = 9;
             break;
 
+        case MENU_TOT:
+            *pMin = 0;
+            *pMax = 179;
+            break;
+
         case MENU_STEP:
             //*pMin = 0;
             *pMax = STEP_N_ELEM - 1;
@@ -259,7 +264,7 @@ int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax) {
 
         case MENU_SCR:
             //*pMin = 0;
-            *pMax = 10;
+            *pMax = 65535;
             break;
 
         case MENU_AUTOLK:
@@ -271,11 +276,6 @@ int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax) {
             *pMin = 0;
             break;
 
-        case MENU_TOT:
-            //*pMin = 0;
-            *pMin = 5;
-            *pMax = 179;
-            break;
 
 #ifdef ENABLE_VOX
         case MENU_VOX:
@@ -385,41 +385,18 @@ int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax) {
             //*pMin = 0;
             *pMax = ARRAY_SIZE(gSubMenu_SET_PTT) - 1;
             break;
-        case MENU_SET_TOT:
-        case MENU_SET_EOT:
-            //*pMin = 0;
-            *pMax = ARRAY_SIZE(gSubMenu_SET_TOT) - 1;
-            break;
-#ifdef ENABLE_FEAT_F4HWN_CTR
-        case MENU_SET_CTR:
-            *pMin = 1;
-            *pMax = 15;
-            break;
-#endif
 #ifdef ENABLE_FEAT_F4HWN_INV
         case MENU_SET_INV:
             //*pMin = 0;
             *pMax = ARRAY_SIZE(gSubMenu_OFF_ON) - 1;
             break;
 #endif
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-        case MENU_SET_NFM:
-            //*pMin = 0;
-            *pMax = ARRAY_SIZE(gSubMenu_SET_NFM) - 1;
-            break;
-#endif
 #ifdef ENABLE_FEAT_F4HWN_VOL
         case MENU_SET_VOL:
             //*pMin = 0;
             *pMax = 63;
             break;
 #endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-            case MENU_SET_KEY:
-                //*pMin = 0;
-                *pMax = 4;
-                break;
-#endif
 #endif
 
         default:
@@ -518,10 +495,7 @@ void MENU_AcceptSetting(void) {
 
         case MENU_SCR:
             gTxVfo->SCRAMBLING_TYPE = gSubMenuSelection;
-            if (gSubMenuSelection > 0)
-                BK4819_EnableScramble(gSubMenuSelection - 1);
-            else
-                BK4819_DisableScramble();
+                BK4819_SetScramble(gSubMenuSelection);
             gRequestSaveChannel = 1;
             return;
 
@@ -530,6 +504,10 @@ void MENU_AcceptSetting(void) {
             gRequestSaveChannel = 1;
             return;
 
+        case MENU_TOT:
+            gEeprom.TX_TIMEOUT_TIMER = gSubMenuSelection;
+            break;
+
         case MENU_MEM_CH:
             gTxVfo->CHANNEL_SAVE = gSubMenuSelection;
 #if 0
@@ -606,10 +584,6 @@ void MENU_AcceptSetting(void) {
             gEeprom.BEEP_CONTROL = gSubMenuSelection;
             break;
 
-        case MENU_TOT:
-            gEeprom.TX_TIMEOUT_TIMER = gSubMenuSelection;
-            break;
-
 #ifdef ENABLE_VOICE
             case MENU_VOICE:
                 gEeprom.VOICE_PROMPT = gSubMenuSelection;
@@ -849,39 +823,13 @@ void MENU_AcceptSetting(void) {
             gSetting_set_ptt = gSubMenuSelection;
             gSetting_set_ptt_session = gSetting_set_ptt; // Special for action
             break;
-        case MENU_SET_TOT:
-            gSetting_set_tot = gSubMenuSelection;
-            break;
-        case MENU_SET_EOT:
-            gSetting_set_eot = gSubMenuSelection;
-            break;
-#ifdef ENABLE_FEAT_F4HWN_CTR
-        case MENU_SET_CTR:
-            gSetting_set_ctr = gSubMenuSelection;
-            break;
-#endif
         case MENU_SET_INV:
             gSetting_set_inv = gSubMenuSelection;
             break;
-        case MENU_SET_LCK:
-            gSetting_set_lck = gSubMenuSelection;
-            break;
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-        case MENU_SET_NFM:
-            gSetting_set_nfm = gSubMenuSelection;
-            RADIO_SetTxParameters();
-            RADIO_SetupRegisters(true);
-            break;
-#endif
 #ifdef ENABLE_FEAT_F4HWN_VOL
         case MENU_SET_VOL:
             gEeprom.VOLUME_GAIN = gSubMenuSelection;
             break;
-#endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-            case MENU_SET_KEY:
-                gEeprom.SET_KEY = gSubMenuSelection;
-                break;
 #endif
         case MENU_SET_TMR:
             gSetting_set_tmr = gSubMenuSelection;
@@ -992,6 +940,10 @@ void MENU_ShowCurrentSetting(void) {
             gSubMenuSelection = gTxVfo->BUSY_CHANNEL_LOCK;
             break;
 
+        case MENU_TOT:
+            gSubMenuSelection = gEeprom.TX_TIMEOUT_TIMER;
+            break;
+
         case MENU_MEM_CH:
 #if 0
             gSubMenuSelection = gEeprom.MrChannel[0];
@@ -1046,11 +998,6 @@ void MENU_ShowCurrentSetting(void) {
         case MENU_BEEP:
             gSubMenuSelection = gEeprom.BEEP_CONTROL;
             break;
-
-        case MENU_TOT:
-            gSubMenuSelection = gEeprom.TX_TIMEOUT_TIMER;
-            break;
-
 #ifdef ENABLE_VOICE
             case MENU_VOICE:
                 gSubMenuSelection = gEeprom.VOICE_PROMPT;
@@ -1256,37 +1203,13 @@ void MENU_ShowCurrentSetting(void) {
         case MENU_SET_PTT:
             gSubMenuSelection = gSetting_set_ptt_session;
             break;
-        case MENU_SET_TOT:
-            gSubMenuSelection = gSetting_set_tot;
-            break;
-        case MENU_SET_EOT:
-            gSubMenuSelection = gSetting_set_eot;
-            break;
-#ifdef ENABLE_FEAT_F4HWN_CTR
-        case MENU_SET_CTR:
-            gSubMenuSelection = gSetting_set_ctr;
-            break;
-#endif
         case MENU_SET_INV:
             gSubMenuSelection = gSetting_set_inv;
             break;
-        case MENU_SET_LCK:
-            gSubMenuSelection = gSetting_set_lck;
-            break;
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-        case MENU_SET_NFM:
-            gSubMenuSelection = gSetting_set_nfm;
-            break;
-#endif
 #ifdef ENABLE_FEAT_F4HWN_VOL
         case MENU_SET_VOL:
             gSubMenuSelection = gEeprom.VOLUME_GAIN;
             break;
-#endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-            case MENU_SET_KEY:
-                gSubMenuSelection = gEeprom.SET_KEY;
-                break;
 #endif
         case MENU_SET_TMR:
             gSubMenuSelection = gSetting_set_tmr;
@@ -1422,7 +1345,15 @@ static void MENU_Key_0_to_9(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
         return;
     }
 
-    Offset = (Max >= 100) ? 3 : (Max >= 10) ? 2 : 1;
+    Offset = (Max >= 1000000000) ? 10 :
+             (Max >= 100000000)  ? 9  :
+             (Max >= 10000000)   ? 8  :
+             (Max >= 1000000)    ? 7  :
+             (Max >= 100000)     ? 6  :
+             (Max >= 10000)      ? 5  :
+             (Max >= 1000)       ? 4  :
+             (Max >= 100)        ? 3  :
+             (Max >= 10)         ? 2  : 1;
 
     /*
     switch (gInputBoxIndex)

app/messages.c

@@ -0,0 +1,264 @@
+//
+// Created by bruno on 3/30/25.
+//
+
+#include "messages.h"
+#include "ui/ui.h"
+#include "driver/uart.h"
+#include "driver/systick.h"
+
+#define T9Count 9
+
+const char T9Table[10][T9Count] = {
+        {'#', '(', ')', ';', ':', '<', '>', '/',  '0'},
+        {',', '.', '?', '&', '!', ' ', '-', '_',  '1'},
+        {'a', 'b', 'c', 'A', 'B', 'C', '[', ']',  '2'},
+        {'d', 'e', 'f', 'D', 'E', 'F', '@', '%',  '3'},
+        {'g', 'h', 'i', 'G', 'H', 'I', '~', '$',  '4'},
+        {'j', 'k', 'l', 'J', 'K', 'L', '|', '*',  '5'},
+        {'m', 'n', 'o', 'M', 'N', 'O', '{', '}',  '6'},
+        {'p', 'q', 'r', 's', 'P', 'Q', 'R', 'S',  '7'},
+        {'t', 'u', 'v', 'T', 'U', 'V', '"', '\'', '8'},
+        {'w', 'x', 'y', 'z', 'W', 'X', 'Y', 'Z',  '9'}
+};
+
+
+uint8_t gActiveMessage = 0;
+
+StoredPacket loadedPacket;
+
+uint8_t gKeyTimeout = 0;
+
+void MESSAGES_SAVE() {
+    uint8_t Data[8];
+    EEPROM_ReadBuffer(SEQParameterEEPROM, Data, 8);
+    uint8_t msgIndex = Data[1];
+    if (msgIndex >= MESSAGES_COUNT) {
+        msgIndex = 0;
+    }
+    Data[1]++;
+    EEPROM_WriteBuffer(SEQParameterEEPROM, Data);
+    EEPROM_WriteBuffer(MESSAGES_START + (msgIndex * sizeof(StoredPacket)) + 0,
+                       (uint8_t *) &inBoundPacket + 4);   // metadata
+    EEPROM_WriteBuffer(MESSAGES_START + (msgIndex * sizeof(StoredPacket)) + 8,
+                       (uint8_t *) &inBoundPacket + 12);   // message part 1
+    EEPROM_WriteBuffer(MESSAGES_START + (msgIndex * sizeof(StoredPacket)) + 16,
+                       (uint8_t *) &inBoundPacket + 20); // message part 2
+    EEPROM_WriteBuffer(MESSAGES_START + (msgIndex * sizeof(StoredPacket)) + 24,
+                       (uint8_t *) &inBoundPacket + 28); // message part 3
+    EEPROM_WriteBuffer(MESSAGES_START + (msgIndex * sizeof(StoredPacket)) + 32,
+                       (uint8_t *) &inBoundPacket + 36); // message part 4
+
+}
+
+void MESSAGES_GET() {
+    if (gActiveMessage == MESSAGES_COUNT) {
+        memcpy(&loadedPacket, (uint8_t *) &dataPacket + (sizeof(DataPacket) - sizeof(StoredPacket)),
+               sizeof(StoredPacket));
+    } else {
+        EEPROM_ReadBuffer(MESSAGES_START + (gActiveMessage * sizeof(StoredPacket)), &loadedPacket,
+                          sizeof(StoredPacket));
+    }
+}
+
+void MESSAGES_DELETE() {
+
+}
+
+void updatePrevChar(KEY_Code_t Key) {
+    if (Key != prevKey) {
+        prevKey = Key;
+    }
+
+}
+
+void MESSAGES_TimeSlice500ms(void) {
+    if (gKeyTimeout && gKeyTimeout++ > 2) {
+        gKeyTimeout = 0;
+        prevKey = KEY_EXIT;
+    }
+}
+
+void MESSAGES_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld) {
+    gKeyTimeout = 1;
+    if (gEnteringSMS != SMS_NOT_ENTERING && !bKeyHeld && Key <= KEY_9) {
+        if (!dataPTR || dataPTR < dataPacket.data) {
+            dataPTR = dataPacket.data;
+        }
+        if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
+            if (bKeyPressed) {
+                if (prevKey != Key) {
+                    dataPTR++;
+                    if (dataPTR - dataPacket.data >= DataPacketDataSize) {
+                        dataPTR = dataPacket.data;
+                    }
+                    prevLetter = 0;
+                }
+                *(dataPTR - 1) = T9Table[Key][(prevLetter++) % T9Count];
+                updatePrevChar(Key);
+            }
+            return;
+        } else if (gEnteringSMS == SMS_ENTERING_DEST) {
+            if (bKeyPressed) {
+                dataPacket.dest *= 10;
+                dataPacket.dest += Key;
+                prevLetter = 0;
+            }
+            return;
+        }
+    }
+
+
+    switch (Key) {
+        case KEY_PTT:
+        case KEY_MENU:
+            if (gEnteringSMS == SMS_NOT_ENTERING) {
+                if (bKeyPressed) {
+                    gEnteringSMS = SMS_ENTERING_DEST;
+                    updatePrevChar(Key);
+                }
+            } else if (gEnteringSMS == SMS_ENTERING_DEST) {
+                if (bKeyPressed) {
+                    memset(dataPacket.data, 0, DataPacketDataSize);
+                    prepareDataPacket();
+                    //dataPacket.flags = 0x80 | (gCurrentVfo->OUTPUT_POWER & 0x07);
+                    if (dataPacket.src == 665 || dataPacket.src == 664) {
+
+                        uint8_t out[5];
+                        if (dataPacket.src == 665) {
+                            const uint32_t id24 = 0xFFFFFF & (dataPacket.dest >> 4);
+                            const uint8_t btn = 0x0F & (dataPacket.dest);
+                            // mask just in case
+//        uint32_t id24 = 0x00A38C;
+//        uint8_t btn = 0x04;
+
+                            // 3-byte big-endian ID
+                            out[0] = (id24 >> 16) & 0xFF;
+                            out[1] = (id24 >> 8) & 0xFF;
+                            out[2] = (id24 >> 0) & 0xFF;
+
+                            // first nibble redundancy copy: 0xBB if btn=0xB
+                            out[3] = (btn << 4) | 0x04;
+
+                            // second copy with MSB flipped (btn ^ 0x8) in the high nibble
+                            out[4] = ((btn ^ 0x8) << 4);
+                        }
+                        else {
+                            out[0] = (dataPacket.dest >> 8) & 0xFF;
+                            out[1] = dataPacket.dest & 0xFF;
+                        }
+
+                        BK4819_EnterTxMute();
+                        RADIO_SetTxParameters();
+
+                        uint16_t datX = BK4819_REG_30_ENABLE_VCO_CALIB |
+                                        BK4819_REG_30_ENABLE_UNKNOWN |
+                                        BK4819_REG_30_DISABLE_RX_LINK |
+                                        BK4819_REG_30_DISABLE_AF_DAC |
+                                        BK4819_REG_30_ENABLE_DISC_MODE |
+                                        BK4819_REG_30_ENABLE_PLL_VCO |
+                                        BK4819_REG_30_ENABLE_PA_GAIN |
+                                        BK4819_REG_30_DISABLE_MIC_ADC |
+                                        BK4819_REG_30_ENABLE_TX_DSP |
+                                        BK4819_REG_30_DISABLE_RX_DSP;
+                        BK4819_WriteRegister(BK4819_REG_30,
+                                             datX);
+                        BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
+                        SYSTEM_DelayMs(20);
+
+                        for (unsigned int x = 0; x < 15; x++) {
+                            for (unsigned int y = 0; y < (dataPacket.src == 665 ? 5 : 2); y++) {
+                                for (unsigned char i = 7; i < 8; i--) {
+                                    if ((out[y] >> i) & 1) {
+//                            datX |= BK4819_REG_30_ENABLE_PA_GAIN;
+                                        BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, true);
+                                        SYSTICK_DelayUs(400 * (dataPacket.src == 665 ? 3 : 2) - 325);
+                                        BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
+//                            datX &= ~BK4819_REG_30_ENABLE_PA_GAIN;
+                                        SYSTICK_DelayUs(400 * 1 - 325);
+                                    } else {
+                                        BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, true);
+//                            datX |= BK4819_REG_30_ENABLE_PA_GAIN;
+                                        SYSTICK_DelayUs(400 * 1 - 325);
+                                        BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
+//                            datX &= ~BK4819_REG_30_ENABLE_PA_GAIN;
+                                        SYSTICK_DelayUs(400 * (dataPacket.src == 665 ? 3 : 2) - 325);
+                                    }
+                                }
+                            }
+                            BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
+                            SYSTEM_DelayMs((dataPacket.src == 665 ? 3 : 15));
+                        }
+                        BK4819_ToggleGpioOut(BK4819_GPIO1_PIN29_PA_ENABLE, false);
+                        SYSTEM_DelayMs(100);
+                        BK4819_WriteRegister(BK4819_REG_30, 0xC1FE);
+                        gEnteringSMS = SMS_NOT_ENTERING;
+                    } else {
+                        gEnteringSMS = SMS_ENTERING_MESSAGE;
+                    }
+                }
+                return;
+            } else if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
+                if (bKeyPressed) {
+                    if (strlen((char *) dataPacket.data)) {
+                        MSG_FSKSendData(&dataPacket);
+                        gEnteringSMS = SMS_NOT_ENTERING;
+                    }
+                }
+                return;
+            }
+            break;
+        case KEY_UP:
+            if (bKeyPressed) {
+                gActiveMessage++;
+                if (gActiveMessage > MESSAGES_COUNT) {
+                    gActiveMessage = 0;
+                }
+                MESSAGES_GET();
+            }
+            break;
+        case KEY_DOWN:
+            if (bKeyPressed) {
+                gActiveMessage--;
+                if (gActiveMessage > MESSAGES_COUNT) {
+                    gActiveMessage = MESSAGES_COUNT - 1;
+                }
+                MESSAGES_GET();
+            }
+            break;
+        case KEY_EXIT:
+            if (gEnteringSMS != SMS_NOT_ENTERING) {
+                if (bKeyHeld) {
+                    if (bKeyPressed) {
+                        gEnteringSMS = SMS_NOT_ENTERING;
+                        dataPTR = dataPacket.data;
+                        memset(dataPacket.data, 0, DataPacketDataSize);
+                    }
+                } else {
+                    if (bKeyPressed) {
+                        if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
+                            if (dataPacket.data <= dataPTR) {
+                                *dataPTR = '\0';
+                                if (dataPacket.data < dataPTR) {
+                                    dataPTR--;
+                                }
+                                *dataPTR = '\0';
+                            }
+                        } else if (gEnteringSMS == SMS_ENTERING_DEST) {
+                            dataPacket.dest /= 10;
+                        }
+                    }
+                }
+            } else {
+                if (bKeyPressed) {
+                    gRequestDisplayScreen = DISPLAY_MAIN;
+                }
+            }
+            updatePrevChar(Key);
+            break;
+        default:
+            if (!bKeyHeld && bKeyPressed)
+                gBeepToPlay = BEEP_500HZ_60MS_DOUBLE_BEEP_OPTIONAL;
+            break;
+    }
+}

app/messages.h

@@ -0,0 +1,34 @@
+//
+// Created by bruno on 3/30/25.
+//
+
+//#ifndef BRNQUANFW_MESSAGES_H
+//#define BRNQUANFW_MESSAGES_H
+#include "fskmodem.h"
+#include "../driver/keyboard.h"
+#include "../driver/eeprom.h"
+
+#define MESSAGES_START (0x1D00)
+#define MESSAGES_COUNT (6)
+
+typedef struct {
+    uint32_t src;
+    uint8_t seq;
+    uint8_t ttl;
+    uint8_t flags;
+    uint8_t data[DataPacketDataSize];
+} StoredPacket;
+
+extern uint8_t gActiveMessage;
+
+extern StoredPacket loadedPacket;
+
+extern uint8_t gKeyTimeout;
+
+void MESSAGES_GET();
+void MESSAGES_DELETE();
+void MESSAGES_SAVE();
+void MESSAGES_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
+void MESSAGES_TimeSlice500ms(void);
+
+//#endif //BRNQUANFW_MESSAGES_H

app/spectrum.c

@@ -856,7 +856,7 @@ static void ShowChannelName(uint32_t f) {
 #endif
 
 static void DrawF(uint32_t f) {
-    sprintf(String, "%u.%05u", f / 100000, f % 100000);
+    sprintf(String, "%lu.%05lu", f / 100000, f % 100000);
     UI_PrintStringSmallNormal(String, 8, 127, 0);
 
     sprintf(String, "%3s", gModulationStr[settings.modulationType]);
@@ -879,19 +879,19 @@ static void DrawNums() {
     }
 
     if (IsCenterMode()) {
-        sprintf(String, "%u.%05u \x7F%u.%02uk", currentFreq / 100000,
+        sprintf(String, "%lu.%05lu \x7F%lu.%02luk", currentFreq / 100000,
                 currentFreq % 100000, settings.frequencyChangeStep / 100,
                 settings.frequencyChangeStep % 100);
         GUI_DisplaySmallest(String, 36, 39, false, true);
     } else {
-        sprintf(String, "%u.%05u", GetFStart() / 100000, GetFStart() % 100000);
+        sprintf(String, "%lu.%05lu", GetFStart() / 100000, GetFStart() % 100000);
         GUI_DisplaySmallest(String, 0, 49, false, true);
 
-        sprintf(String, "\x7F%u.%02uk", settings.frequencyChangeStep / 100,
+        sprintf(String, "\x7F%lu.%02luk", settings.frequencyChangeStep / 100,
                 settings.frequencyChangeStep % 100);
         GUI_DisplaySmallest(String, 48, 10, false, true);
 
-        sprintf(String, "%u.%05u", GetFEnd() / 100000, GetFEnd() % 100000);
+        sprintf(String, "%lu.%05lu", GetFEnd() / 100000, GetFEnd() % 100000);
         GUI_DisplaySmallest(String, 93, 49, false, true);
     }
 }

app/spectrum.h

@@ -180,8 +180,9 @@ typedef struct PeakInfo
     uint16_t i;
 } PeakInfo;
 
+#ifdef ENABLE_SPECTRUM
 void APP_RunSpectrum(void);
-
+#endif
 #endif /* ifndef SPECTRUM_H */
 
 // vim: ft=c

bitmaps.c

@@ -44,19 +44,6 @@ const uint8_t gFontKeyLock[9] =
     0x7c, 0x46, 0x45, 0x45, 0x45, 0x45, 0x45, 0x46, 0x7c
 };
 
-const uint8_t gFontLight[9] =
-{
-    0b00001100,
-    0b00010010,
-    0b00100001,
-    0b01101101,
-    0b01111001,
-    0b01101101,
-    0b00100001,
-    0b00010010,
-    0b00001100,
-};
-
 const uint8_t gFontMute[12] =
 {
     0b00011100,
@@ -291,16 +278,6 @@ const uint8_t BITMAP_ScanListAll[19] =
     0b01111111
 };
 
-const uint8_t BITMAP_compand[6] =
-{
-    0b00000000,
-    0b00111100,
-    0b01000010,
-    0b01000010,
-    0b01000010,
-    0b00100100
-};
-
 /*
 const uint8_t BITMAP_Ready[7] =
 {

bitmaps.h

@@ -11,7 +11,6 @@ extern const uint8_t gFontF[8];
 extern const uint8_t gFontS[6];
 
 extern const uint8_t gFontKeyLock[9];
-extern const uint8_t gFontLight[9];
 extern const uint8_t gFontMute[12];
 
 extern const uint8_t gFontXB[2][6];
@@ -46,8 +45,6 @@ extern const uint8_t BITMAP_ScanList123[19];
 extern const uint8_t BITMAP_ScanListAll[19];
 extern const uint8_t BITMAP_ScanListE[7];
 extern const uint8_t BITMAP_PowerUser[3];
-extern const uint8_t BITMAP_compand[6];
-
 extern const uint8_t BITMAP_NOAA[12];
 
 #ifndef ENABLE_CUSTOM_MENU_LAYOUT

driver/backlight.c

@@ -66,12 +66,6 @@ void BACKLIGHT_InitHardware()
         0;
 }
 
-static void BACKLIGHT_Sound(void)
-{
-    gK5startup = false;
-}
-
-
 void BACKLIGHT_TurnOn(void)
 {
     #ifdef ENABLE_FEAT_F4HWN_SLEEP
@@ -84,38 +78,11 @@ void BACKLIGHT_TurnOn(void)
 
     if (gEeprom.BACKLIGHT_TIME == 0) {
         BACKLIGHT_TurnOff();
-        #ifdef ENABLE_FEAT_F4HWN
-            if(gK5startup == true) 
-            {
-                BACKLIGHT_Sound();
-            }
-        #endif
         return;
     }
 
     backlightOn = true;
-
-#ifdef ENABLE_FEAT_F4HWN
-    if(gK5startup == true) {
-        #if defined(ENABLE_FMRADIO) && defined(ENABLE_SPECTRUM)
-            BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MAX);
-        #else
-            for(uint8_t i = 0; i <= gEeprom.BACKLIGHT_MAX; i++)
-            {
-                BACKLIGHT_SetBrightness(i);
-                SYSTEM_DelayMs(50);
-            }
-        #endif
-
-        BACKLIGHT_Sound();
-    }
-    else
-    {
         BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MAX);
-    }
-#else
-    BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MAX);
-#endif
 
     switch (gEeprom.BACKLIGHT_TIME) {
         default:

driver/bk4819.c

@@ -42,12 +42,18 @@ static uint16_t gBK4819_GpioOutState;
 
 bool gRxIdleMode;
 
-__inline uint16_t scale_freq(const uint16_t freq)
+__inline uint16_t scale_freq(uint16_t freq)
 {
 //  return (((uint32_t)freq * 1032444u) + 50000u) / 100000u;   // with rounding
     return (((uint32_t)freq * 1353245u) + (1u << 16)) >> 17;   // with rounding
 }
 
+__inline uint16_t inverse_scale_freq(uint16_t scaled_freq)
+{
+    return (((uint32_t)scaled_freq << 17) - (1u << 16)) / 1353245u;
+}
+
+
 void BK4819_FskEnableTx(void){
     const uint16_t fsk_reg59 = BK4819_ReadRegister(BK4819_REG_59);
     BK4819_WriteRegister(BK4819_REG_59, (1u << 11) | fsk_reg59);
@@ -854,18 +860,18 @@ void BK4819_PickRXFilterPathBasedOnFrequency(uint32_t Frequency)
     }
 }
 
-void BK4819_DisableScramble(void)
+void BK4819_SetScramble(uint16_t Freq)
 {
-    const uint16_t Value = BK4819_ReadRegister(BK4819_REG_31);
-    BK4819_WriteRegister(BK4819_REG_31, Value & ~(1u << 1));
-}
+    uint16_t Value = BK4819_ReadRegister(BK4819_REG_31);
+    if (Freq) {
+        Value |= (1u << 1);
+    } else {
+        Value &= ~(1u << 1);
+    }
+    BK4819_WriteRegister(BK4819_REG_31, Value);
 
-void BK4819_EnableScramble(uint8_t Type)
-{
-    const uint16_t Value = BK4819_ReadRegister(BK4819_REG_31);
-    BK4819_WriteRegister(BK4819_REG_31, Value | (1u << 1));
-
-    BK4819_WriteRegister(BK4819_REG_71, 0x68DC + (Type * 1032));   // 0110 1000 1101 1100
+    //BK4819_WriteRegister(BK4819_REG_71, 0x68DC + (Freq * 1032));   // 0110 1000 1101 1100
+    BK4819_WriteRegister(BK4819_REG_71, Freq);
 }
 
 bool BK4819_CompanderEnabled(void)

driver/bk4819.h

@@ -65,6 +65,9 @@ typedef enum BK4819_CssScanResult_t BK4819_CssScanResult_t;
 // radio is asleep, not listening
 extern bool gRxIdleMode;
 
+uint16_t inverse_scale_freq(uint16_t scaled_freq);
+uint16_t scale_freq(uint16_t freq);
+
 void     BK4819_Init(void);
 uint16_t BK4819_ReadRegister(BK4819_REGISTER_t Register);
 void     BK4819_WriteRegister(BK4819_REGISTER_t Register, uint16_t Data);
@@ -100,8 +103,7 @@ void     BK4819_SetupSquelch(
 void     BK4819_SetAF(BK4819_AF_Type_t AF);
 void     BK4819_RX_TurnOn(void);
 void     BK4819_PickRXFilterPathBasedOnFrequency(uint32_t Frequency);
-void     BK4819_DisableScramble(void);
-void     BK4819_EnableScramble(uint8_t Type);
+void     BK4819_SetScramble(uint16_t Freq);
 
 bool     BK4819_CompanderEnabled(void);
 void     BK4819_SetCompander(const unsigned int mode);

driver/st7565.c

@@ -202,7 +202,7 @@ uint8_t cmds[] = {
                 ST7565_WriteByte(ST7565_CMD_INVERSE_DISPLAY | gSetting_set_inv);
                 break;
             case 7:
-                ST7565_WriteByte(21 + gSetting_set_ctr);
+                ST7565_WriteByte(21 + ST7565_CTR_SETTING_VAL);
                 break;
             default:
                 ST7565_WriteByte(cmds[i]);

driver/st7565.h

@@ -27,6 +27,8 @@
 extern uint8_t gStatusLine[LCD_WIDTH];
 extern uint8_t gFrameBuffer[FRAME_LINES][LCD_WIDTH];
 
+#define ST7565_CTR_SETTING_VAL (15)
+
 void ST7565_DrawLine(const unsigned int Column, const unsigned int Line, const uint8_t *pBitmap, const unsigned int Size);
 void ST7565_BlitFullScreen(void);
 void ST7565_BlitLine(unsigned line);

driver/uart.c

@@ -15,6 +15,7 @@
  */
 
 #include <stdbool.h>
+#include <string.h>
 #include "bsp/dp32g030/dma.h"
 #include "bsp/dp32g030/syscon.h"
 #include "bsp/dp32g030/uart.h"
@@ -23,8 +24,7 @@
 static bool UART_IsLogEnabled;
 uint8_t UART_DMA_Buffer[256];
 
-void UART_Init(void)
-{
+void UART_Init(void) {
     uint32_t Delta;
     uint32_t Positive;
     uint32_t Frequency;
@@ -48,35 +48,32 @@ void UART_Init(void)
 
     DMA_CTR = (DMA_CTR & ~DMA_CTR_DMAEN_MASK) | DMA_CTR_DMAEN_BITS_DISABLE;
 
-    DMA_CH0->MSADDR = (uint32_t)(uintptr_t)&UART1->RDR;
-    DMA_CH0->MDADDR = (uint32_t)(uintptr_t)UART_DMA_Buffer;
+    DMA_CH0->MSADDR = (uint32_t) (uintptr_t) &UART1->RDR;
+    DMA_CH0->MDADDR = (uint32_t) (uintptr_t) UART_DMA_Buffer;
     DMA_CH0->MOD = 0
-        // Source
-        | DMA_CH_MOD_MS_ADDMOD_BITS_NONE
-        | DMA_CH_MOD_MS_SIZE_BITS_8BIT
-        | DMA_CH_MOD_MS_SEL_BITS_HSREQ_MS1
-        // Destination
-        | DMA_CH_MOD_MD_ADDMOD_BITS_INCREMENT
-        | DMA_CH_MOD_MD_SIZE_BITS_8BIT
-        | DMA_CH_MOD_MD_SEL_BITS_SRAM
-        ;
+                   // Source
+                   | DMA_CH_MOD_MS_ADDMOD_BITS_NONE
+                   | DMA_CH_MOD_MS_SIZE_BITS_8BIT
+                   | DMA_CH_MOD_MS_SEL_BITS_HSREQ_MS1
+                   // Destination
+                   | DMA_CH_MOD_MD_ADDMOD_BITS_INCREMENT
+                   | DMA_CH_MOD_MD_SIZE_BITS_8BIT
+                   | DMA_CH_MOD_MD_SEL_BITS_SRAM;
     DMA_INTEN = 0;
     DMA_INTST = 0
-        | DMA_INTST_CH0_TC_INTST_BITS_SET
-        | DMA_INTST_CH1_TC_INTST_BITS_SET
-        | DMA_INTST_CH2_TC_INTST_BITS_SET
-        | DMA_INTST_CH3_TC_INTST_BITS_SET
-        | DMA_INTST_CH0_THC_INTST_BITS_SET
-        | DMA_INTST_CH1_THC_INTST_BITS_SET
-        | DMA_INTST_CH2_THC_INTST_BITS_SET
-        | DMA_INTST_CH3_THC_INTST_BITS_SET
-        ;
+                | DMA_INTST_CH0_TC_INTST_BITS_SET
+                | DMA_INTST_CH1_TC_INTST_BITS_SET
+                | DMA_INTST_CH2_TC_INTST_BITS_SET
+                | DMA_INTST_CH3_TC_INTST_BITS_SET
+                | DMA_INTST_CH0_THC_INTST_BITS_SET
+                | DMA_INTST_CH1_THC_INTST_BITS_SET
+                | DMA_INTST_CH2_THC_INTST_BITS_SET
+                | DMA_INTST_CH3_THC_INTST_BITS_SET;
     DMA_CH0->CTR = 0
-        | DMA_CH_CTR_CH_EN_BITS_ENABLE
-        | ((0xFF << DMA_CH_CTR_LENGTH_SHIFT) & DMA_CH_CTR_LENGTH_MASK)
-        | DMA_CH_CTR_LOOP_BITS_ENABLE
-        | DMA_CH_CTR_PRI_BITS_MEDIUM
-        ;
+                   | DMA_CH_CTR_CH_EN_BITS_ENABLE
+                   | ((0xFF << DMA_CH_CTR_LENGTH_SHIFT) & DMA_CH_CTR_LENGTH_MASK)
+                   | DMA_CH_CTR_LOOP_BITS_ENABLE
+                   | DMA_CH_CTR_PRI_BITS_MEDIUM;
     UART1->IF = UART_IF_RXTO_BITS_SET;
 
     DMA_CTR = (DMA_CTR & ~DMA_CTR_DMAEN_MASK) | DMA_CTR_DMAEN_BITS_ENABLE;
@@ -84,9 +81,8 @@ void UART_Init(void)
     UART1->CTRL |= UART_CTRL_UARTEN_BITS_ENABLE;
 }
 
-void UART_Send(const void *pBuffer, uint32_t Size)
-{
-    const uint8_t *pData = (const uint8_t *)pBuffer;
+void UART_Send(const void *pBuffer, uint32_t Size) {
+    const uint8_t *pData = (const uint8_t *) pBuffer;
     uint32_t i;
 
     for (i = 0; i < Size; i++) {
@@ -96,8 +92,11 @@ void UART_Send(const void *pBuffer, uint32_t Size)
     }
 }
 
-void UART_LogSend(const void *pBuffer, uint32_t Size)
-{
+void UART_String(const char *str) {
+    UART_Send(str, strlen(str));
+}
+
+void UART_LogSend(const void *pBuffer, uint32_t Size) {
     if (UART_IsLogEnabled) {
         UART_Send(pBuffer, Size);
     }

driver/uart.h

@@ -25,6 +25,7 @@ extern uint8_t UART_DMA_Buffer[256];
 void UART_Init(void);
 void UART_Send(const void *pBuffer, uint32_t Size);
 void UART_LogSend(const void *pBuffer, uint32_t Size);
+void UART_String(const char *str);
 
 #endif
 

functions.c

@@ -48,6 +48,7 @@
 #include "ui/status.h"
 #include "ui/ui.h"
 #include "app/app.h"
+#include "driver/systick.h"
 
 
 FUNCTION_Type_t gCurrentFunction;
@@ -204,6 +205,7 @@ void FUNCTION_Transmit() {
 
     DTMF_Reply();
 
+    BK4819_SetScramble(gCurrentVfo->SCRAMBLING_TYPE);
     if (gCurrentVfo->DTMF_PTT_ID_TX_MODE == PTT_ID_APOLLO)
         BK4819_PlaySingleTone(2525, 250, 0, gEeprom.DTMF_SIDE_TONE);
 
@@ -234,10 +236,6 @@ void FUNCTION_Transmit() {
 #endif
 
 
-    if (gCurrentVfo->SCRAMBLING_TYPE > 0)
-        BK4819_EnableScramble(gCurrentVfo->SCRAMBLING_TYPE - 1);
-    else
-        BK4819_DisableScramble();
 
     if (gSetting_backlight_on_tx_rx & BACKLIGHT_ON_TR_TX) {
         BACKLIGHT_TurnOn();

helper/boot.c

@@ -44,13 +44,6 @@ BOOT_Mode_t BOOT_GetMode(void) {
         SYSTEM_DelayMs(20);
     }
 
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    if (Keys[0] == (10 + gEeprom.SET_KEY))
-    {
-        return BOOT_MODE_RESCUE_OPS;  // Secret KEY pressed
-    }
-#endif
-
     if (Keys[0] == Keys[1]) {
         gKeyReading0 = Keys[0];
         gKeyReading1 = Keys[0];

misc.c

@@ -111,14 +111,7 @@ enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
 
 #ifdef ENABLE_FEAT_F4HWN
     bool          gSetting_set_ptt = 0;
-    uint8_t       gSetting_set_tot = 0;
-    uint8_t       gSetting_set_ctr = 10;
     bool          gSetting_set_inv = false;
-    uint8_t       gSetting_set_eot = 0;
-    bool          gSetting_set_lck = false;
-    #ifdef ENABLE_FEAT_F4HWN_NARROWER
-        bool          gSetting_set_nfm = 0;
-    #endif
     bool          gSetting_set_tmr = 0;
     bool          gSetting_set_ptt_session;
     #ifdef ENABLE_FEAT_F4HWN_DEBUG
@@ -130,10 +123,8 @@ enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
     uint8_t       crc[15] = { 0 };
     uint8_t       lErrorsDuringAirCopy = 0;
     uint8_t       gAircopyStep = 0;
-    #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
         bool          gPowerHigh = false;
         bool          gRemoveOffset = false;
-    #endif
 #endif
 
 #ifdef ENABLE_AUDIO_BAR

misc.h

@@ -164,14 +164,7 @@ extern enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
 
 #ifdef ENABLE_FEAT_F4HWN
     extern bool               gSetting_set_ptt;
-    extern uint8_t            gSetting_set_tot;
-    extern uint8_t            gSetting_set_ctr;
     extern bool               gSetting_set_inv;
-    extern uint8_t            gSetting_set_eot;
-    extern bool               gSetting_set_lck;
-    #ifdef ENABLE_FEAT_F4HWN_NARROWER
-        extern bool               gSetting_set_nfm;
-    #endif
     extern bool               gSetting_set_tmr;
     extern bool               gSetting_set_ptt_session;
     #ifdef ENABLE_FEAT_F4HWN_DEBUG
@@ -183,10 +176,8 @@ extern enum BacklightOnRxTx_t gSetting_backlight_on_tx_rx;
     extern uint8_t            crc[15];
     extern uint8_t            lErrorsDuringAirCopy;
     extern uint8_t            gAircopyStep;
-    #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
         extern bool               gPowerHigh;
         extern bool               gRemoveOffset;
-    #endif
 #endif
 
 #ifdef ENABLE_AUDIO_BAR

radio.c

@@ -229,9 +229,9 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
 
     uint16_t base;
     if (IS_MR_CHANNEL(channel))
-        base = channel * 16;
+        base = channel * 24;
     else
-        base = 0x0C80 + ((channel - FREQ_CHANNEL_FIRST) * 32) + (VFO * 16);
+        base = 0x0C80 + ((channel - FREQ_CHANNEL_FIRST) * 32) + (VFO * 24);
 
     if (configure == VFO_CONFIGURE_RELOAD || IS_FREQ_CHANNEL(channel)) {
         uint8_t tmp;
@@ -256,12 +256,6 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
         pVfo->STEP_SETTING = tmp;
         pVfo->StepFrequency = gStepFrequencyTable[tmp];
 
-        tmp = data[7];
-        if (tmp > 10)
-            tmp = 0;
-        pVfo->SCRAMBLING_TYPE = tmp;
-        //pVfo->SCRAMBLING_TYPE = 0;
-
         pVfo->freq_config_RX.CodeType = (data[2] >> 0) & 0x0F;
         pVfo->freq_config_TX.CodeType = (data[2] >> 4) & 0x0F;
 
@@ -314,10 +308,10 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
             pVfo->BUSY_CHANNEL_LOCK = false;
         } else {
             const uint8_t d4 = data[4];
-            pVfo->FrequencyReverse = !!((d4 >> 0) & 1u);
-            pVfo->CHANNEL_BANDWIDTH = !!((d4 >> 1) & 1u);
-            pVfo->OUTPUT_POWER = ((d4 >> 2) & 7u);
-            pVfo->BUSY_CHANNEL_LOCK = !!((d4 >> 5) & 1u);
+            pVfo->FrequencyReverse = ((d4 >> 0) & 1u) != 0;
+            pVfo->CHANNEL_BANDWIDTH = ((d4 >> 1) & 3u);
+            pVfo->OUTPUT_POWER = ((d4 >> 3) & 7u);
+            pVfo->BUSY_CHANNEL_LOCK = ((d4 >> 6) & 1u) != 0;
         }
 
         if (data[5] == 0xFF) {
@@ -335,6 +329,12 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
 
         // ***************
 
+        EEPROM_ReadBuffer(base + 16, data, sizeof(data));
+
+        uint16_t * data16 = (uint16_t *)data;
+
+        pVfo->SCRAMBLING_TYPE = data16[0];
+
         struct {
             uint32_t Frequency;
             uint32_t Offset;
@@ -388,7 +388,6 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
 
     pVfo->Compander = att.compander;
 
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
     if(gRemoveOffset)
     {
         pVfo->pTX = &pVfo->freq_config_RX;
@@ -398,7 +397,6 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
     {
         pVfo->OUTPUT_POWER = OUTPUT_POWER_HIGH;
     }
-#endif
 
     RADIO_ConfigureSquelchAndOutputPower(pVfo);
 }
@@ -490,58 +488,10 @@ void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo) {
     } else if (currentPower == OUTPUT_POWER_HIGH) {
         Op = 2; // High eeprom calibration data
     }
-    currentPower--;
 
     EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (Op * 3), Txp, 3);
 
 #ifdef ENABLE_FEAT_F4HWN
-    // make low and mid even lower
-    // and use calibration values 
-    // be aware with toxic fucking closed firmwares
-
-    /*
-    uint8_t shift[] = {0, 0, 0, 0, 0};
-
-    if(Band == 5) // UHF
-    {
-        shift[0] = 0;
-        shift[1] = 0;
-        shift[2] = 0;
-        shift[3] = 0;
-        shift[4] = 0;
-    }
-    */
-
-    /*
-    for(uint8_t p = 0; p < 3; p++)
-    {
-        switch (currentPower)
-        {
-            case 0:
-                Txp[p] = (Txp[p] * 4) / 25; //+ shift[pInfo->OUTPUT_POWER]; 
-                break;
-            case 1:
-                Txp[p] = (Txp[p] * 4) / 19; // + shift[pInfo->OUTPUT_POWER];
-                break;
-            case 2:
-                Txp[p] = (Txp[p] * 4) / 13; // + shift[pInfo->OUTPUT_POWER];
-                break;
-            case 3:
-                Txp[p] = (Txp[p] * 4) / 10; // + shift[pInfo->OUTPUT_POWER];
-                break;
-            case 4:
-                Txp[p] = (Txp[p] * 4) / 7; // + shift[pInfo->OUTPUT_POWER];
-                break;
-            case 5:
-                Txp[p] = (Txp[p] * 3) / 4;
-                break;
-            case 6:
-                Txp[p] = Txp[p] + 30;
-                break;              
-        }
-    }
-    */
-
     static const uint8_t dividers[6] = {25, 19, 13, 10, 7, 4};
 
     for (uint8_t p = 0; p < 3; p++) {
@@ -620,12 +570,6 @@ void RADIO_SelectVfos(void) {
 void RADIO_SetupRegisters(bool switchToForeground) {
     BK4819_FilterBandwidth_t Bandwidth = gRxVfo->CHANNEL_BANDWIDTH;
 
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-    if (Bandwidth == BK4819_FILTER_BW_NARROW && gSetting_set_nfm == 1) {
-        Bandwidth = BK4819_FILTER_BW_NARROWER;
-    }
-#endif
-
     AUDIO_AudioPathOff();
 
     gEnableSpeaker = false;
@@ -746,10 +690,9 @@ void RADIO_SetupRegisters(bool switchToForeground) {
                     break;
             }
 
-            if (gRxVfo->SCRAMBLING_TYPE > 0)
-                BK4819_EnableScramble(gRxVfo->SCRAMBLING_TYPE - 1);
-            else
-                BK4819_DisableScramble();
+            BK4819_SetScramble(0);
+            SYSTEM_DelayMs(10);
+            BK4819_SetScramble(gRxVfo->SCRAMBLING_TYPE);
         }
     }
 #ifdef ENABLE_NOAA
@@ -789,6 +732,9 @@ void RADIO_SetupRegisters(bool switchToForeground) {
 
     RADIO_SetupAGC(gRxVfo->Modulation == MODULATION_AM, false);
 
+    MSG_EnableRX(true);
+    InterruptMask |= BK4819_REG_3F_FSK_RX_SYNC | BK4819_REG_3F_FSK_RX_FINISHED | BK4819_REG_3F_FSK_FIFO_ALMOST_FULL | BK4819_REG_3F_FSK_TX_FINISHED;
+
     // enable/disable BK4819 selected interrupts
     BK4819_WriteRegister(BK4819_REG_3F, InterruptMask);
 
@@ -846,12 +792,6 @@ void RADIO_ConfigureNOAA(void)
 void RADIO_SetTxParameters(void) {
     BK4819_FilterBandwidth_t Bandwidth = gCurrentVfo->CHANNEL_BANDWIDTH;
 
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-    if (Bandwidth == BK4819_FILTER_BW_NARROW && gSetting_set_nfm == 1) {
-        Bandwidth = BK4819_FILTER_BW_NARROWER;
-    }
-#endif
-
     AUDIO_AudioPathOff();
 
     gEnableSpeaker = false;
@@ -1085,15 +1025,6 @@ void RADIO_PrepareTX(void) {
 
         gTxTimerCountdown_500ms = ((gEeprom.TX_TIMEOUT_TIMER + 1) * 5) * 2;
 
-        /*
-        if (gEeprom.TX_TIMEOUT_TIMER == 0)
-            gTxTimerCountdown_500ms = 60;   // 30 sec
-        else if (gEeprom.TX_TIMEOUT_TIMER < (ARRAY_SIZE(gSubMenu_TOT) - 1))
-            gTxTimerCountdown_500ms = 120 * gEeprom.TX_TIMEOUT_TIMER;  // minutes
-        else
-            gTxTimerCountdown_500ms = 120 * 15;  // 15 minutes
-        */
-
 #ifdef ENABLE_FEAT_F4HWN
         gTxTimerCountdownAlert_500ms = gTxTimerCountdown_500ms;
 #endif

radio.h

@@ -24,7 +24,7 @@
 #include "frequencies.h"
 
 enum {
-    RADIO_CHANNEL_UP   = 0x01u,
+    RADIO_CHANNEL_UP = 0x01u,
     RADIO_CHANNEL_DOWN = 0xFFu,
 };
 
@@ -42,8 +42,7 @@ enum PTT_ID_t {
 };
 typedef enum PTT_ID_t PTT_ID_t;
 
-enum VfoState_t
-{
+enum VfoState_t {
     VFO_STATE_NORMAL = 0,
     VFO_STATE_BUSY,
     VFO_STATE_BAT_LOW,
@@ -70,18 +69,16 @@ typedef enum {
 
 extern const char gModulationStr[MODULATION_UKNOWN][4];
 
-typedef struct
-{
-    uint32_t       Frequency;
+typedef struct {
+    uint32_t Frequency;
     DCS_CodeType_t CodeType;
-    uint8_t        Code;
-    uint8_t        Padding[2];
+    uint8_t Code;
+    uint8_t Padding[2];
 } FREQ_Config_t;
 
-typedef struct VFO_Info_t
-{
-    FREQ_Config_t  freq_config_RX;
-    FREQ_Config_t  freq_config_TX;
+typedef struct VFO_Info_t {
+    FREQ_Config_t freq_config_RX;
+    FREQ_Config_t freq_config_TX;
 
     // this is for a purpose of the FrequencyReverse function
     // it points to freq_config_RX normally and to freq_config_TX if reverse function is active
@@ -92,81 +89,97 @@ typedef struct VFO_Info_t
     // it points to freq_config_TX normally and to freq_config_RX if reverse function is active
     FREQ_Config_t *pTX;
 
-    uint32_t       TX_OFFSET_FREQUENCY;
-    uint16_t       StepFrequency;
+    uint32_t TX_OFFSET_FREQUENCY;
+    uint16_t StepFrequency;
 
-    uint8_t        CHANNEL_SAVE;
+    uint8_t CHANNEL_SAVE;
 
-    uint8_t        TX_OFFSET_FREQUENCY_DIRECTION;
+    uint8_t TX_OFFSET_FREQUENCY_DIRECTION;
 
-    uint8_t        SquelchOpenRSSIThresh;
-    uint8_t        SquelchOpenNoiseThresh;
-    uint8_t        SquelchCloseGlitchThresh;
-    uint8_t        SquelchCloseRSSIThresh;
-    uint8_t        SquelchCloseNoiseThresh;
-    uint8_t        SquelchOpenGlitchThresh;
+    uint8_t SquelchOpenRSSIThresh;
+    uint8_t SquelchOpenNoiseThresh;
+    uint8_t SquelchCloseGlitchThresh;
+    uint8_t SquelchCloseRSSIThresh;
+    uint8_t SquelchCloseNoiseThresh;
+    uint8_t SquelchOpenGlitchThresh;
 
     STEP_Setting_t STEP_SETTING;
-    uint8_t        OUTPUT_POWER;
-    uint8_t        TXP_CalculatedSetting;
-    bool           FrequencyReverse;
+    uint8_t OUTPUT_POWER;
+    uint8_t TXP_CalculatedSetting;
+    bool FrequencyReverse;
 
-    uint8_t        SCRAMBLING_TYPE;
-    uint8_t        CHANNEL_BANDWIDTH;
+    uint16_t SCRAMBLING_TYPE;
+    uint8_t CHANNEL_BANDWIDTH;
 
-    uint8_t        SCANLIST1_PARTICIPATION;
-    uint8_t        SCANLIST2_PARTICIPATION;
-    uint8_t        SCANLIST3_PARTICIPATION;
+    uint8_t SCANLIST1_PARTICIPATION;
+    uint8_t SCANLIST2_PARTICIPATION;
+    uint8_t SCANLIST3_PARTICIPATION;
 
-    uint8_t        Band;
+    uint8_t Band;
 #ifdef ENABLE_DTMF_CALLING
     uint8_t        DTMF_DECODING_ENABLE;
 #endif
-    PTT_ID_t       DTMF_PTT_ID_TX_MODE;
+    PTT_ID_t DTMF_PTT_ID_TX_MODE;
 
-    uint8_t        BUSY_CHANNEL_LOCK;
+    uint8_t BUSY_CHANNEL_LOCK;
 
-    ModulationMode_t    Modulation;
+    ModulationMode_t Modulation;
 
-    uint8_t        Compander;
+    uint8_t Compander;
 
-    char           Name[16];
+    char Name[16];
 } VFO_Info_t;
 
 // Settings of the main VFO that is selected by the user
 // The pointer follows gEeprom.TX_VFO index
-extern VFO_Info_t    *gTxVfo;
+extern VFO_Info_t *gTxVfo;
 
 // Settings of the actual VFO that is now used for RX,
 // It is being alternated by dual watch, and flipped by crossband
 // The pointer follows gEeprom.RX_VFO
-extern VFO_Info_t    *gRxVfo;
+extern VFO_Info_t *gRxVfo;
 
 // Equal to gTxVfo unless dual watch changes it on incomming transmition (this can only happen when XB off and DW on)
-extern VFO_Info_t    *gCurrentVfo;
+extern VFO_Info_t *gCurrentVfo;
 
 extern DCS_CodeType_t gCurrentCodeType;
 
-extern VfoState_t     VfoState[2];
+extern VfoState_t VfoState[2];
+
+bool RADIO_CheckValidChannel(uint16_t channel, bool checkScanList, uint8_t scanList);
+
+uint8_t RADIO_FindNextChannel(uint8_t ChNum, int8_t Direction, bool bCheckScanList, uint8_t RadioNum);
+
+void RADIO_InitInfo(VFO_Info_t *pInfo, const uint8_t ChannelSave, const uint32_t Frequency);
+
+void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure);
+
+void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo);
+
+void RADIO_ApplyOffset(VFO_Info_t *pInfo);
+
+void RADIO_SelectVfos(void);
+
+void RADIO_SetupRegisters(bool switchToForeground);
 
-bool     RADIO_CheckValidChannel(uint16_t channel, bool checkScanList, uint8_t scanList);
-uint8_t  RADIO_FindNextChannel(uint8_t ChNum, int8_t Direction, bool bCheckScanList, uint8_t RadioNum);
-void     RADIO_InitInfo(VFO_Info_t *pInfo, const uint8_t ChannelSave, const uint32_t Frequency);
-void     RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure);
-void     RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo);
-void     RADIO_ApplyOffset(VFO_Info_t *pInfo);
-void     RADIO_SelectVfos(void);
-void     RADIO_SetupRegisters(bool switchToForeground);
 #ifdef ENABLE_NOAA
-    void RADIO_ConfigureNOAA(void);
+void RADIO_ConfigureNOAA(void);
 #endif
-void     RADIO_SetTxParameters(void);
-void     RADIO_SetupAGC(bool listeningAM, bool disable);
-void     RADIO_SetModulation(ModulationMode_t modulation);
-void     RADIO_SetVfoState(VfoState_t State);
-void     RADIO_PrepareTX(void);
-void     RADIO_SendCssTail(void);
-void     RADIO_PrepareCssTX(void);
-void     RADIO_SendEndOfTransmission(void);
+
+void RADIO_SetTxParameters(void);
+
+void RADIO_SetupAGC(bool listeningAM, bool disable);
+
+void RADIO_SetModulation(ModulationMode_t modulation);
+
+void RADIO_SetVfoState(VfoState_t State);
+
+void RADIO_PrepareTX(void);
+
+void RADIO_SendCssTail(void);
+
+void RADIO_PrepareCssTX(void);
+
+void RADIO_SendEndOfTransmission(void);
 
 #endif

scheduler.c

@@ -57,13 +57,14 @@ void SystickHandler(void)
         gNextTimeslice_500ms = true;
 
 #ifdef ENABLE_FEAT_F4HWN
-        DECREMENT_AND_TRIGGER(gTxTimerCountdownAlert_500ms - ALERT_TOT * 2, gTxTimeoutReachedAlert);
         #ifdef ENABLE_FEAT_F4HWN_RX_TX_TIMER
             DECREMENT(gRxTimerCountdown_500ms);
         #endif
 #endif
-        
-        DECREMENT_AND_TRIGGER(gTxTimerCountdown_500ms, gTxTimeoutReached);
+
+            if (gEeprom.TX_TIMEOUT_TIMER != 0) {
+                DECREMENT_AND_TRIGGER(gTxTimerCountdown_500ms, gTxTimeoutReached);
+            }
         DECREMENT(gSerialConfigCountDown_500ms);
     }
 

settings.c

@@ -28,6 +28,7 @@
 #include "misc.h"
 #include "settings.h"
 #include "ui/menu.h"
+#include "app/messages.h"
 
 #ifdef ENABLE_FEAT_F4HWN_RESET_CHANNEL
 static const uint32_t gDefaultFrequencyTable[] =
@@ -43,6 +44,7 @@ static const uint32_t gDefaultFrequencyTable[] =
 EEPROM_Config_t gEeprom = {0};
 
 void SETTINGS_InitEEPROM(void) {
+    MESSAGES_GET();
     uint8_t Data[16] = {0};
     // 0E70..0E77
     EEPROM_ReadBuffer(0x0E70, Data, 8);
@@ -53,12 +55,9 @@ void SETTINGS_InitEEPROM(void) {
     gEeprom.NOAA_AUTO_SCAN   = (Data[3] <  2) ? Data[3] : false;
 #endif
 #ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    gEeprom.KEY_LOCK = (Data[4] & 0x01) != 0;
     gEeprom.MENU_LOCK = (Data[4] & 0x02) != 0;
-    gEeprom.SET_KEY = ((Data[4] >> 2) & 0x0F) > 4 ? 0 : (Data[4] >> 2) & 0x0F;
-#else
-    gEeprom.KEY_LOCK = (Data[4] < 2) ? Data[4] : false;
 #endif
+    gEeprom.KEY_LOCK = (Data[4] < 2) != 0 && Data[4];
 #ifdef ENABLE_VOX
     gEeprom.VOX_SWITCH = (Data[5] < 2) ? Data[5] : false;
     gEeprom.VOX_LEVEL = (Data[6] < 10) ? Data[6] : 1;
@@ -77,12 +76,8 @@ void SETTINGS_InitEEPROM(void) {
     gEeprom.BATTERY_SAVE = (Data[3] < 6) ? Data[3] : 4;
     gEeprom.DUAL_WATCH = (Data[4] < 3) ? Data[4] : DUAL_WATCH_CHAN_A;
     gEeprom.BACKLIGHT_TIME = (Data[5] < 62) ? Data[5] : 12;
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-    gEeprom.TAIL_TONE_ELIMINATION = Data[6] & 0x01;
-    gSetting_set_nfm = (Data[6] >> 1) & 0x01;
-#else
-    gEeprom.TAIL_TONE_ELIMINATION = (Data[6] < 2) ? Data[6] : false;
-#endif
+
+    gEeprom.TAIL_TONE_ELIMINATION = (Data[6] < 2) != 0 && Data[6];
 
 #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
     gEeprom.VFO_OPEN = Data[7] & 0x01;
@@ -274,10 +269,11 @@ void SETTINGS_InitEEPROM(void) {
     gEeprom.FSKSRCAddress |= Data[1] << 8;
     gEeprom.FSKSRCAddress |= Data[2] << 16;
     gEeprom.FSKSRCAddress |= Data[3] << 24;
+#ifdef ENABLE_FMRADIO
     gEeprom.BK1080_AGC_ENABLED = Data[4] & 0x01;
     gEeprom.BK1080_BLEND_CONFIG = (Data[4] >> 1) & 0x03;
     gEeprom.BK1080_DEEMPHASIS_CONFIG = (Data[4] >> 3) & 0x03;
-
+#endif
     // 0F40..0F47
     EEPROM_ReadBuffer(0x0F40, Data, 8);
     gSetting_F_LOCK = (Data[0] < F_LOCK_LEN) ? Data[0] : F_LOCK_DEF;
@@ -331,15 +327,10 @@ void SETTINGS_InitEEPROM(void) {
     EEPROM_ReadBuffer(0x1FF0, Data, 8);
     gSetting_set_ptt = (((Data[7] & 0x0F)) < 2) ? ((Data[7] & 0x0F)) : 0;
 
-    gSetting_set_tot = (((Data[6] & 0xF0) >> 4) < 4) ? ((Data[6] & 0xF0) >> 4) : 0;
-    gSetting_set_eot = (((Data[6] & 0x0F)) < 4) ? ((Data[6] & 0x0F)) : 0;
-
     /*
     int tmp = ((Data[5] & 0xF0) >> 4);
 
     gSetting_set_inv = (((tmp >> 0) & 0x01) < 2) ? ((tmp >> 0) & 0x01): 0;
-    gSetting_set_lck = (((tmp >> 1) & 0x01) < 2) ? ((tmp >> 1) & 0x01): 0;
-    gSetting_set_ctr = (((Data[5] & 0x0F)) > 00 && ((Data[5] & 0x0F)) < 16) ? ((Data[5] & 0x0F)) : 10;
 
     gSetting_set_tmr = ((Data[4] & 1) < 2) ? (Data[4] & 1): 0;
     */
@@ -351,14 +342,6 @@ void SETTINGS_InitEEPROM(void) {
 #else
     gSetting_set_inv = 0;
 #endif
-    gSetting_set_lck = (tmp >> 1) & 0x01;
-
-#ifdef ENABLE_FEAT_F4HWN_CTR
-    int ctr_value = Data[5] & 0x0F;
-    gSetting_set_ctr = (ctr_value > 0 && ctr_value < 16) ? ctr_value : 10;
-#else
-    gSetting_set_ctr = 10;
-#endif
 
     gSetting_set_tmr = Data[4] & 0x01;
 #ifdef ENABLE_FEAT_F4HWN_SLEEP
@@ -371,7 +354,6 @@ void SETTINGS_InitEEPROM(void) {
 
     // And set special session settings for actions
     gSetting_set_ptt_session = gSetting_set_ptt;
-    gEeprom.KEY_LOCK_PTT = gSetting_set_lck;
 #endif
 }
 
@@ -438,7 +420,7 @@ uint32_t SETTINGS_FetchChannelFrequency(const int channel) {
         uint32_t offset;
     } __attribute__((packed)) info;
 
-    EEPROM_ReadBuffer(channel * 16, &info, sizeof(info));
+    EEPROM_ReadBuffer(channel * 20, &info, sizeof(info));
 
     return info.frequency;
 }
@@ -455,7 +437,7 @@ void SETTINGS_FetchChannelName(char *s, const int channel) {
     if (!RADIO_CheckValidChannel(channel, false, 0))
         return;
 
-    EEPROM_ReadBuffer(0x0F50 + (channel * 16), s, 10);
+    EEPROM_ReadBuffer(0x0F50 + (channel * 20), s, 10);
 
     int i;
     for (i = 0; i < 10; i++)
@@ -581,12 +563,7 @@ void SETTINGS_SaveSettings(void) {
     State[3] = false;
 #endif
 
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    State[4] = (gEeprom.KEY_LOCK ? 0x01 : 0) | (gEeprom.MENU_LOCK ? 0x02 :0) | ((gEeprom.SET_KEY & 0x0F) << 2);
-#else
-    State[4] = gEeprom.KEY_LOCK;
-#endif
-
+    State[4] = (gEeprom.KEY_LOCK ? 0x01 : 0);
 #ifdef ENABLE_VOX
     State[5] = gEeprom.VOX_SWITCH;
     State[6] = gEeprom.VOX_LEVEL;
@@ -617,11 +594,7 @@ void SETTINGS_SaveSettings(void) {
     State[5] = gEeprom.BACKLIGHT_TIME;
 #endif
 
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-    State[6] = (gEeprom.TAIL_TONE_ELIMINATION & 0x01) | ((gSetting_set_nfm & 0x03) << 1);
-#else
-    State[6] = gEeprom.TAIL_TONE_ELIMINATION;
-#endif
+    State[6] = gEeprom.TAIL_TONE_ELIMINATION & 0x01;
 
 #ifdef ENABLE_FEAT_F4HWN_RESUME_STATE
     State[7] = (gEeprom.VFO_OPEN & 0x01) | ((gEeprom.CURRENT_STATE & 0x07) << 1) |
@@ -714,9 +687,11 @@ void SETTINGS_SaveSettings(void) {
     State[1] = (gEeprom.FSKSRCAddress >> 8) & 0xFF;
     State[2] = (gEeprom.FSKSRCAddress >> 16) & 0xFF;
     State[3] = (gEeprom.FSKSRCAddress >> 24) & 0xFF;
+#ifdef ENABLE_FMRADIO
     State[4] = ((gEeprom.BK1080_AGC_ENABLED & 0x01) |
                 ((gEeprom.BK1080_BLEND_CONFIG & 0x03) << 1) |
                 ((gEeprom.BK1080_DEEMPHASIS_CONFIG & 0x03) << 3));
+#endif
 
     EEPROM_WriteBuffer(0x0F20, State);
 
@@ -763,8 +738,6 @@ void SETTINGS_SaveSettings(void) {
 
     if(gSetting_set_inv == 1)
         tmp = tmp | (1 << 0);
-    if (gSetting_set_lck == 1)
-        tmp = tmp | (1 << 1);
     */
 
 #ifdef ENABLE_FEAT_F4HWN_SLEEP
@@ -773,13 +746,10 @@ void SETTINGS_SaveSettings(void) {
     State[4] = gSetting_set_tmr ? (1 << 0) : 0;
 #endif
 
-    tmp = (gSetting_set_inv << 0) |
-          (gSetting_set_lck << 1);
+    tmp = (gSetting_set_inv << 0);
 
-    State[5] = ((tmp << 4) | (gSetting_set_ctr & 0x0F));
-    State[6] = ((gSetting_set_tot << 4) | (gSetting_set_eot & 0x0F));
+    State[5] = (tmp << 4);
     State[7] = gSetting_set_ptt & 0x0F;
-    gEeprom.KEY_LOCK_PTT = gSetting_set_lck;
 
     EEPROM_WriteBuffer(0x1FF0, State);
 #endif
@@ -795,10 +765,10 @@ void SETTINGS_SaveChannel(uint8_t Channel, uint8_t VFO, const VFO_Info_t *pVFO,
         return;
 #endif
 
-    uint16_t OffsetVFO = Channel * 16;
+    uint16_t OffsetVFO = Channel * 24;
 
     if (IS_FREQ_CHANNEL(Channel)) { // it's a VFO, not a channel
-        OffsetVFO = (VFO == 0) ? 0x0C80 : 0x0C90;
+        OffsetVFO = (VFO == 0) ? 0x0C80 : 0x0C98;
         OffsetVFO += (Channel - FREQ_CHANNEL_FIRST) * 32;
     }
 
@@ -806,6 +776,7 @@ void SETTINGS_SaveChannel(uint8_t Channel, uint8_t VFO, const VFO_Info_t *pVFO,
         union {
             uint8_t _8[8];
             uint32_t _32[2];
+            uint16_t _16[4];
         } State;
 
         State._32[0] = pVFO->freq_config_RX.Frequency;
@@ -817,8 +788,8 @@ void SETTINGS_SaveChannel(uint8_t Channel, uint8_t VFO, const VFO_Info_t *pVFO,
         State._8[2] = (pVFO->freq_config_TX.CodeType << 4) | pVFO->freq_config_RX.CodeType;
         State._8[3] = (pVFO->Modulation << 4) | pVFO->TX_OFFSET_FREQUENCY_DIRECTION;
         State._8[4] = 0
-                      | (pVFO->BUSY_CHANNEL_LOCK << 5)
-                      | (pVFO->OUTPUT_POWER << 2)
+                      | (pVFO->BUSY_CHANNEL_LOCK << 6)
+                      | (pVFO->OUTPUT_POWER << 3)
                       | (pVFO->CHANNEL_BANDWIDTH << 1)
                       | (pVFO->FrequencyReverse << 0);
         State._8[5] = ((pVFO->DTMF_PTT_ID_TX_MODE & 7u) << 1)
@@ -827,9 +798,11 @@ void SETTINGS_SaveChannel(uint8_t Channel, uint8_t VFO, const VFO_Info_t *pVFO,
 #endif
                 ;
         State._8[6] = pVFO->STEP_SETTING;
+        EEPROM_WriteBuffer(OffsetVFO + sizeof (State._32), State._8);
+
+        State._16[0] = pVFO->SCRAMBLING_TYPE;
+        EEPROM_WriteBuffer(OffsetVFO + sizeof (State._32) + sizeof (State._8), State._16);
 
-        State._8[7] = pVFO->SCRAMBLING_TYPE;
-        EEPROM_WriteBuffer(OffsetVFO + 8, State._8);
 
         SETTINGS_UpdateChannel(Channel, pVFO, true, true, true);
 
@@ -857,7 +830,7 @@ void SETTINGS_SaveBatteryCalibration(const uint16_t *batteryCalibration) {
 }
 
 void SETTINGS_SaveChannelName(uint8_t channel, const char *name) {
-    uint16_t offset = channel * 16;
+    uint16_t offset = channel * 24;
     uint8_t buf[16] = {0};
     memcpy(buf, name, MIN(strlen(name), 10u));
     EEPROM_WriteBuffer(0x0F50 + offset, buf);
@@ -965,10 +938,7 @@ void SETTINGS_WriteBuildOptions(void) {
 #ifdef ENABLE_SPECTRUM
         | (1 << 5)
 #endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-        | (1 << 6)
-#endif
-            ;
+        | (1 << 6);
     EEPROM_WriteBuffer(0x1FF0, State);
 }
 
@@ -1001,7 +971,7 @@ void SETTINGS_WriteCurrentVol(void) {
 void SETTINGS_ResetTxLock(void) {
     uint8_t State[8];
     for (uint8_t channel = 0; channel < 200; channel++) {
-        uint16_t OffsetVFO = channel * 16;
+        uint16_t OffsetVFO = channel * 24;
         EEPROM_ReadBuffer(OffsetVFO + 8, State, sizeof(State));
         State[4] |= (1 << 6);
         EEPROM_WriteBuffer(OffsetVFO + 8, State);

settings.h

@@ -98,8 +98,7 @@ enum {
 };
 
 enum {
-    OUTPUT_POWER_USER = 0,
-    OUTPUT_POWER_LOW1,
+    OUTPUT_POWER_LOW1 = 0,
     OUTPUT_POWER_LOW2,
     OUTPUT_POWER_LOW3,
     OUTPUT_POWER_LOW4,
@@ -125,15 +124,10 @@ enum ACTION_OPT_t {
     ACTION_OPT_BLMIN_TMP_OFF, //BackLight Minimum Temporay OFF
 #ifdef ENABLE_FEAT_F4HWN
     ACTION_OPT_RXMODE,
-    ACTION_OPT_MAINONLY,
     ACTION_OPT_PTT,
     ACTION_OPT_WN,
     ACTION_OPT_BACKLIGHT,
     ACTION_OPT_MUTE,
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    ACTION_OPT_POWER_HIGH,
-    ACTION_OPT_REMOVE_OFFSET,
-#endif
 #endif
 #ifdef ENABLE_REGA
     ACTION_OPT_REGA_ALARM,
@@ -223,10 +217,7 @@ typedef struct {
 #ifdef ENABLE_FEAT_F4HWN
     bool KEY_LOCK_PTT;
 #endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
     bool                  MENU_LOCK;
-    uint8_t               SET_KEY;
-#endif
     bool VOX_SWITCH;
     uint8_t VOX_LEVEL;
 #ifdef ENABLE_VOICE

ui/helper.c

@@ -110,6 +110,31 @@ void UI_PrintStringSmall(const char *pString, uint8_t Start, uint8_t End, uint8_
     UI_PrintStringBuffer(pString, gFrameBuffer[Line] + Start, char_width, font, inv);
 }
 
+void itoa(unsigned long num, char *str) {
+    char buf[20];  // Enough to store any 32-bit or 64-bit unsigned number
+    int i = 0;
+
+    // Handle 0 explicitly
+    if (num == 0) {
+        str[i++] = '0';
+        str[i] = '\0';
+        return;
+    }
+
+    // Convert number to string in reverse order
+    while (num > 0) {
+        buf[i++] = (num % 10) + '0';  // Get last digit and convert to ASCII
+        num /= 10;
+    }
+
+    // Reverse the string
+    int j = 0;
+    while (i > 0) {
+        str[j++] = buf[--i];
+    }
+    str[j] = '\0';  // Null-terminate the string
+}
+
 
 void UI_PrintStringSmallNormal(const char *pString, uint8_t Start, uint8_t End, uint8_t Line) {
     UI_PrintStringSmall(pString, Start, End, Line, ARRAY_SIZE(gFontSmall[0]), (const uint8_t *) gFontSmall, false);

ui/helper.h

@@ -41,7 +41,7 @@ void UI_DrawPixelBuffer(uint8_t (*buffer)[128], uint8_t x, uint8_t y, bool black
 #endif
 void UI_DrawLineBuffer(uint8_t (*buffer)[128], int16_t x1, int16_t y1, int16_t x2, int16_t y2, bool black);
 void UI_DrawRectangleBuffer(uint8_t (*buffer)[128], int16_t x1, int16_t y1, int16_t x2, int16_t y2, bool black);
-
+void itoa(unsigned long num, char *str);
 void UI_DisplayClear();
 
 #endif

ui/main.c

@@ -45,6 +45,7 @@
 #ifdef ENABLE_FEAT_F4HWN
 
 #include "driver/system.h"
+#include "app/scanner.h"
 
 #endif
 
@@ -59,7 +60,7 @@ static uint32_t RxOnVfofrequency;
 
 bool isMainOnlyInputDTMF = false;
 
-static bool isMainOnly() {
+bool isMainOnly() {
     return (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF) && (gEeprom.CROSS_BAND_RX_TX == CROSS_BAND_OFF);
 }
 
@@ -88,6 +89,7 @@ const char *VfoStateStr[] = {
 // ***************************************************************************
 
 static void DrawSmallAntennaAndBars(uint8_t *p, unsigned int level) {
+    level++;
     if (level > 6)
         level = 6;
 
@@ -334,7 +336,7 @@ void DisplayRSSIBar(const bool now) {
         sprintf(str, "% 4d S%d", -rssi_dBm, s_level);
     }
     else {
-        sprintf(str, "% 4d  %2d", -rssi_dBm, overS9dBm);
+        sprintf(str, "% 4d  %2ld", -rssi_dBm, overS9dBm);
         memcpy(p_line + 2 + 7*5, &plus, ARRAY_SIZE(plus));
     }
 
@@ -401,7 +403,7 @@ void UI_MAIN_PrintAGC(bool now)
     int8_t pgaTab[] = {-33, -27, -21, -15, -9, -6, -3, 0};
     int16_t agcGain = lnaShortTab[agcGainReg.lnaS] + lnaTab[agcGainReg.lna] + mixerTab[agcGainReg.mixer] + pgaTab[agcGainReg.pga];
 
-    sprintf(buf, "%d%2d %2d %2d %3d", reg7e.agcEnab, reg7e.gainIdx, -agcGain, reg7e.agcSigStrength, BK4819_GetRSSI());
+    sprintf(buf, "%d%2ld %2ld %2ld %3ld", reg7e.agcEnab, reg7e.gainIdx, -agcGain, reg7e.agcSigStrength, BK4819_GetRSSI());
     UI_PrintStringSmallNormal(buf, 2, 0, 3);
     if(now)
         ST7565_BlitLine(3);
@@ -418,44 +420,6 @@ void UI_MAIN_TimeSlice500ms(void) {
         if (FUNCTION_IsRx()) {
             DisplayRSSIBar(true);
         }
-#ifdef ENABLE_FEAT_F4HWN // Blink Green Led for white...
-        else if (gSetting_set_eot > 0 && RxBlinkLed == 2) {
-            if (RxBlinkLedCounter <= 8) {
-                if (RxBlinkLedCounter % 2 == 0) {
-                    if (gSetting_set_eot > 1) {
-                        BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2_GREEN, false);
-                    }
-                } else {
-                    if (gSetting_set_eot > 1) {
-                        BK4819_ToggleGpioOut(BK4819_GPIO6_PIN2_GREEN, true);
-                    }
-
-                    if (gSetting_set_eot == 1 || gSetting_set_eot == 3) {
-                        switch (RxBlinkLedCounter) {
-                            case 1:
-                                AUDIO_PlayBeep(BEEP_400HZ_30MS);
-                                break;
-
-                            case 3:
-                                AUDIO_PlayBeep(BEEP_400HZ_30MS);
-                                break;
-
-                            case 5:
-                                AUDIO_PlayBeep(BEEP_500HZ_30MS);
-                                break;
-
-                            case 7:
-                                AUDIO_PlayBeep(BEEP_600HZ_30MS);
-                                break;
-                        }
-                    }
-                }
-                RxBlinkLedCounter += 1;
-            } else {
-                RxBlinkLed = 0;
-            }
-        }
-#endif
     }
 }
 
@@ -470,7 +434,7 @@ void UI_DisplayMain(void) {
     UI_DisplayClear();
 
     if (gLowBattery && !gLowBatteryConfirmed) {
-        UI_DisplayPopup("LOW BATT");
+        UI_DisplayPopup("LOW BAT");
         ST7565_BlitFullScreen();
         return;
     }
@@ -564,9 +528,9 @@ void UI_DisplayMain(void) {
                     }
 
                     UI_PrintString("ScnRng", 5, 0, line + shift /*, 8 */);
-                    sprintf(String, "%3u.%05u", gScanRangeStart / 100000, gScanRangeStart % 100000);
+                    sprintf(String, "%3lu.%05lu", gScanRangeStart / 100000, gScanRangeStart % 100000);
                     UI_PrintStringSmallNormal(String, 56, 0, line + shift);
-                    sprintf(String, "%3u.%05u", gScanRangeStop / 100000, gScanRangeStop % 100000);
+                    sprintf(String, "%3lu.%05lu", gScanRangeStop / 100000, gScanRangeStop % 100000);
                     UI_PrintStringSmallNormal(String, 56, 0, line + shift + 1);
 
                     if (!isMainOnly())
@@ -576,30 +540,15 @@ void UI_DisplayMain(void) {
                 }
 #else
                 UI_PrintString("ScnRng", 5, 0, line /*, 8 */);
-                sprintf(String, "%3u.%05u", gScanRangeStart / 100000, gScanRangeStart % 100000);
+                sprintf(String, "%3lu.%05lu", gScanRangeStart / 100000, gScanRangeStart % 100000);
                 UI_PrintStringSmallNormal(String, 56, 0, line);
-                sprintf(String, "%3u.%05u", gScanRangeStop / 100000, gScanRangeStop % 100000);
+                sprintf(String, "%3lu.%05lu", gScanRangeStop / 100000, gScanRangeStop % 100000);
                 UI_PrintStringSmallNormal(String, 56, 0, line + 1);
                 continue;
 #endif
             }
 #endif
 
-
-            if (gEnteringSMS == SMS_ENTERING_DEST) {
-                UI_PrintString("SMS Dst", 0, 0, line - 1 /*, 8 */);
-                sprintf(String, "%d", dataPacket.dest);
-                UI_PrintStringSmallNormal(String, 0, 0, line);
-                continue;
-            }
-
-            if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
-                UI_PrintString("SMS Dat", 0, 0, line - 1 /*, 8 */);
-                sprintf(String, "%s", dataPacket.data);
-                UI_PrintStringSmallNormal(String, 0, 0, line);
-                continue;
-            }
-
             if (gDTMF_InputMode
 #ifdef ENABLE_DTMF_CALLING
                 || gDTMF_CallState != DTMF_CALL_STATE_NONE || gDTMF_IsTx
@@ -826,16 +775,14 @@ void UI_DisplayMain(void) {
 
                 // compander symbol
 #ifndef ENABLE_BIG_FREQ
-                const ChannelAttributes_t att = gMR_ChannelAttributes[gEeprom.ScreenChannel[vfo_num]];
-                if (att.compander)
-                    memcpy(p_line0 + 120 + LCD_WIDTH, BITMAP_compand, sizeof(BITMAP_compand));
+                //const ChannelAttributes_t att = gMR_ChannelAttributes[gEeprom.ScreenChannel[vfo_num]];
 #else
                 // TODO:  // find somewhere else to put the symbol
 #endif
 
                 switch (gEeprom.CHANNEL_DISPLAY_MODE) {
                     case MDF_FREQUENCY: // show the channel frequency
-                        sprintf(String, "%3u.%05u", frequency / 100000, frequency % 100000);
+                        sprintf(String, "%3lu.%05lu", frequency / 100000, frequency % 100000);
 #ifdef ENABLE_BIG_FREQ
                         if (frequency < _1GHz_in_KHz) {
                             // show the remaining 2 small frequency digits
@@ -884,7 +831,7 @@ void UI_DisplayMain(void) {
 
 #ifdef ENABLE_FEAT_F4HWN
                             if (isMainOnly()) {
-                                sprintf(String, "%3u.%05u", frequency / 100000, frequency % 100000);
+                                sprintf(String, "%3lu.%05lu", frequency / 100000, frequency % 100000);
                                 if (frequency < _1GHz_in_KHz) {
                                     // show the remaining 2 small frequency digits
                                     UI_PrintStringSmallNormal(String + 7, 113, 0, line + 4);
@@ -897,11 +844,11 @@ void UI_DisplayMain(void) {
                                     UI_PrintString(String, 40, 0, line + 3 /*, 8 */);
                                 }
                             } else {
-                                sprintf(String, "%03u.%05u", frequency / 100000, frequency % 100000);
+                                sprintf(String, "%03lu.%05lu", frequency / 100000, frequency % 100000);
                                 UI_PrintStringSmallBold(String, 40 + 4, 0, line + 1);
                             }
 #else                           // show the channel frequency below the channel number/name
-                            sprintf(String, "%03u.%05u", frequency / 100000, frequency % 100000);
+                            sprintf(String, "%03u.%05lu", frequency / 100000, frequency % 100000);
                             UI_PrintStringSmallNormal(String, 20 + 4, 0, line + 1);
 #endif
                         }
@@ -909,7 +856,7 @@ void UI_DisplayMain(void) {
                         break;
                 }
             } else {   // frequency mode
-                sprintf(String, "%3u.%05u", frequency / 100000, frequency % 100000);
+                sprintf(String, "%3lu.%05lu", frequency / 100000, frequency % 100000);
 
 #ifdef ENABLE_BIG_FREQ
                 if (frequency < _1GHz_in_KHz) {
@@ -926,13 +873,7 @@ void UI_DisplayMain(void) {
                 }
 
                 // show the channel symbols
-                const ChannelAttributes_t att = gMR_ChannelAttributes[gEeprom.ScreenChannel[vfo_num]];
-                if (att.compander)
-#ifdef ENABLE_BIG_FREQ
-                    memcpy(p_line0 + 120, BITMAP_compand, sizeof(BITMAP_compand));
-#else
-                memcpy(p_line0 + 120 + LCD_WIDTH, BITMAP_compand, sizeof(BITMAP_compand));
-#endif
+                //const ChannelAttributes_t att = gMR_ChannelAttributes[gEeprom.ScreenChannel[vfo_num]];
             }
         }
 
@@ -962,7 +903,7 @@ void UI_DisplayMain(void) {
                     Level = 2;
                 }
                 */
-                Level = gRxVfo->OUTPUT_POWER - 1;
+                Level = gRxVfo->OUTPUT_POWER;
             } else if (mode == VFO_MODE_RX) {   // RX signal level
 #ifndef ENABLE_RSSI_BAR
                 // bar graph
@@ -1010,7 +951,6 @@ void UI_DisplayMain(void) {
 #if ENABLE_FEAT_F4HWN
         const FREQ_Config_t *pConfig = (mode == VFO_MODE_TX) ? vfoInfo->pTX : vfoInfo->pRX;
         int8_t shift = 0;
-
         switch ((int) pConfig->CodeType) {
             case 1:
                 sprintf(String, "%u.%u", CTCSS_Options[pConfig->Code] / 10, CTCSS_Options[pConfig->Code] % 10);
@@ -1029,6 +969,8 @@ void UI_DisplayMain(void) {
                 shift = -10;
         }
 
+
+
         UI_PrintStringSmallNormal(s, 50, 0, line + 2);
         UI_PrintStringSmallNormal(t, 2, 0, line + 2);
 
@@ -1047,25 +989,20 @@ void UI_DisplayMain(void) {
 #endif
 
         if (state == VFO_STATE_NORMAL || state == VFO_STATE_ALARM) {   // show the TX power
-            uint8_t currentPower = vfoInfo->OUTPUT_POWER % 8;
             const char pwr_short[][3] = {"L1", "L2", "L3", "L4", "L5", "ME",
                                          "HI"};
-            UI_PrintStringSmallNormal(pwr_short[currentPower], LCD_WIDTH + 25, 0, line + 1);
+            UI_PrintStringSmallNormal(pwr_short[vfoInfo->OUTPUT_POWER], LCD_WIDTH + 25, 0, line + 1);
         }
 
         if (vfoInfo->freq_config_RX.Frequency != vfoInfo->freq_config_TX.Frequency) {   // show the TX offset symbol
             int i = vfoInfo->TX_OFFSET_FREQUENCY_DIRECTION % 3;
 
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
             const char dir_list[][2] = {"", "+", "-", "D"};
 
             if(gTxVfo->TX_OFFSET_FREQUENCY_DIRECTION != 0 && gTxVfo->pTX == &gTxVfo->freq_config_RX && !vfoInfo->FrequencyReverse)
             {
                 i = 3;
             }
-#else
-            const char dir_list[][2] = {"", "+", "-"};
-#endif
 
 #if ENABLE_FEAT_F4HWN
             UI_PrintStringSmallNormal(dir_list[i], LCD_WIDTH + 60, 0, line + 1);
@@ -1078,34 +1015,18 @@ void UI_DisplayMain(void) {
         if (vfoInfo->FrequencyReverse)
 #if ENABLE_FEAT_F4HWN
         {
-            UI_PrintStringSmallNormal("R", LCD_WIDTH + 68, 0, line + 1);
+            UI_PrintStringSmallNormal("R", LCD_WIDTH + 110, 0, line + 1);
         }
 #else
-        UI_PrintStringSmallNormal("R", LCD_WIDTH + 62, 0, line + 1);
+        UI_PrintStringSmallNormal("R", LCD_WIDTH + 110, 0, line + 1);
 #endif
 
 #if ENABLE_FEAT_F4HWN
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-        bool narrower = 0;
 
-        if (vfoInfo->CHANNEL_BANDWIDTH == BANDWIDTH_NARROW && gSetting_set_nfm == 1) {
-            narrower = 1;
-        }
         const char *bandWidthNames[] = {"WID", "NAR", "NR+"};
-        UI_PrintStringSmallNormal(bandWidthNames[vfoInfo->CHANNEL_BANDWIDTH + narrower], LCD_WIDTH + 30, 0,
+        UI_PrintStringSmallNormal(bandWidthNames[vfoInfo->CHANNEL_BANDWIDTH], LCD_WIDTH + 30, 0,
                                   line);
-#else
-        if (gSetting_set_gui)
-        {
-            const char *bandWidthNames[] = {"W", "N"};
-            UI_PrintStringSmallNormal(bandWidthNames[vfoInfo->CHANNEL_BANDWIDTH], LCD_WIDTH + 80, 0, line + 1);
-        }
-        else
-        {
-            const char *bandWidthNames[] = {"WIDE", "NAR"};
-            GUI_DisplaySmallest(bandWidthNames[vfoInfo->CHANNEL_BANDWIDTH], 91, line == 0 ? 17 : 49, false, true);
-        }
-#endif
+
 #else
         if (vfoInfo->CHANNEL_BANDWIDTH == BANDWIDTH_NARROW)
             UI_PrintStringSmallNormal("N", LCD_WIDTH + 70, 0, line + 1);
@@ -1119,8 +1040,8 @@ void UI_DisplayMain(void) {
 
         // show the audio scramble symbol
         if (vfoInfo->SCRAMBLING_TYPE > 0) {
-            sprintf(String, "S%d", vfoInfo->SCRAMBLING_TYPE + 25);
-            UI_PrintStringSmallNormal(String, 105, 0, line + 2);
+            sprintf(String, "S%d", inverse_scale_freq(vfoInfo->SCRAMBLING_TYPE));
+            UI_PrintStringSmallNormal(String, 90, 0, line + 2);
         }
 
 #ifdef ENABLE_FEAT_F4HWN

ui/main.h

@@ -41,6 +41,7 @@ extern const int8_t dBmCorrTable[7];
 void UI_DisplayAudioBar(void);
 void UI_MAIN_TimeSlice500ms(void);
 void UI_DisplayMain(void);
+bool isMainOnly();
 
 #ifdef ENABLE_AGC_SHOW_DATA
 void UI_MAIN_PrintAGC(bool force);

ui/menu.c

@@ -48,7 +48,7 @@ const t_menu_item MenuList[] =
                 {"TCTCS", MENU_T_CTCS}, // was "T_CTCS"
                 {"TxODir", MENU_SFT_D}, // was "SFT_D"
                 {"TxOffs", MENU_OFFSET}, // was "OFFSET"
-                {"W/N", MENU_W_N},
+                {"WID", MENU_W_N},
                 {"SCR", MENU_SCR}, // was "SCR"
                 {"BusyL", MENU_BCL}, // was "BCL"
                 {"COMP", MENU_COMPAND},
@@ -79,7 +79,7 @@ const t_menu_item MenuList[] =
                 {"ML", MENU_MLONG},
 
                 {"KeyLck", MENU_AUTOLK}, // was "AUTOLk"
-                {"TxTOut", MENU_TOT}, // was "TOT"
+                {"TXTime", MENU_TOT},
                 {"BatSav", MENU_SAVE}, // was "SAVE"
                 {"BatTxt", MENU_BAT_TXT},
                 {"Mic", MENU_MIC},
@@ -131,24 +131,14 @@ const t_menu_item MenuList[] =
                 {"Sql", MENU_SQL},
 #ifdef ENABLE_FEAT_F4HWN
                 {"SPTT", MENU_SET_PTT},
-                {"STOT", MENU_SET_TOT},
-                {"SEOT", MENU_SET_EOT},
-                {"SCtr", MENU_SET_CTR},
                 {"SInv", MENU_SET_INV},
-                {"SLck", MENU_SET_LCK},
                 {"STmr", MENU_SET_TMR},
 #ifdef ENABLE_FEAT_F4HWN_SLEEP
                 {"SOff", MENU_SET_OFF},
 #endif
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-                {"SNFM", MENU_SET_NFM},
-#endif
 #ifdef ENABLE_FEAT_F4HWN_VOL
                 {"SVol", MENU_SET_VOL},
 #endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-                {"SKey",      MENU_SET_KEY       },
-#endif
 #ifdef ENABLE_NOAA
                 {"SNWR",      MENU_NOAA_S    },
 #endif
@@ -184,10 +174,11 @@ const char gSubMenu_SFT_D[][4] =
                 "-"
         };
 
-const char gSubMenu_W_N[][7] =
+const char gSubMenu_W_N[][5] =
         {
                 "WIDE",
-                "NARR"
+                "NARR",
+                "NAR+"
         };
 
 const char gSubMenu_OFF_ON[][4] =
@@ -205,8 +196,8 @@ const char *const gSubMenu_RXMode[] =
         {
                 "MAIN",       // TX and RX on main only
                 "RESP", // Watch both and respond
-                "XBAND ONLY",      // TX on main, RX on secondary
-                "DUALMON"  // always TX on main, but RX on both
+                "XBAND",      // TX on main, RX on secondary
+                "DMON"  // always TX on main, but RX on both
         };
 
 #ifdef ENABLE_VOICE
@@ -221,7 +212,7 @@ const char gSubMenu_VOICE[][4] =
 const char *const gSubMenu_MDF[] =
         {
                 "FREQ",
-                "CHNUMB",
+                "CHNUM",
                 "NAME",
                 "NAME\n+\nFREQ"
         };
@@ -305,14 +296,14 @@ const char gSubMenu_RX_TX[][6] =
                 "TX/RX"
         };
 
-const char gSubMenu_BAT_TXT[][8] =
+const char gSubMenu_BAT_TXT[][5] =
         {
                 "NONE",
                 "VLT",
                 "PRC"
         };
 
-const char gSubMenu_BATTYP[][9] =
+const char gSubMenu_BATTYP[][3] =
         {
                 "16",
                 "22",
@@ -321,38 +312,11 @@ const char gSubMenu_BATTYP[][9] =
 
 #ifdef ENABLE_FEAT_F4HWN
 
-const char gSubMenu_SET_PTT[][8] =
+const char gSubMenu_SET_PTT[][4] =
         {
-                "HOLD",
-                "TAP"
+                "HOL",
+                "TOG",
         };
-
-const char gSubMenu_SET_TOT[][7] =  // Use by SET_EOT too
-        {
-                "OFF",
-                "SND",
-                "VIS",
-                "ALL"
-        };
-
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-const char gSubMenu_SET_NFM[][9] =
-        {
-                "NRW",
-                "NRWER"
-        };
-#endif
-
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-const char gSubMenu_SET_KEY[][9] =
-{
-    "KEY_MENU",
-    "KEY_UP",
-    "KEY_DOWN",
-    "KEY_EXIT",
-    "KEY_STAR"
-};
-#endif
 #endif
 
 const t_sidefunction gSubMenu_SIDEFUNCTIONS[] =
@@ -389,16 +353,11 @@ const t_sidefunction gSubMenu_SIDEFUNCTIONS[] =
 #endif
 #ifdef ENABLE_FEAT_F4HWN
                 {"RX MOD", ACTION_OPT_RXMODE},
-                {"MAIN ONLY", ACTION_OPT_MAINONLY},
                 {"PTT", ACTION_OPT_PTT},
                 {"WIDE\nNAR", ACTION_OPT_WN},
 #if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
                 {"MUTE", ACTION_OPT_MUTE},
 #endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-                {"POWER\nHIGH",    ACTION_OPT_POWER_HIGH},
-                {"REMOVE\nOFFSET",  ACTION_OPT_REMOVE_OFFSET},
-#endif
 #endif
         };
 
@@ -544,15 +503,9 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
     BACKLIGHT_TurnOn();
 
-#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-    uint8_t gaugeLine = 0;
-    uint8_t gaugeMin = 0;
-    uint8_t gaugeMax = 0;
-#endif
-
     switch (UI_MENU_GetCurrentMenuId()) {
         case MENU_SQL:
-            sprintf(String, "%d", gSubMenuSelection);
+            sprintf(String, "%ld", gSubMenuSelection);
             break;
 
         case MENU_MIC: {   // display the mic gain in actual dB rather than just an index number
@@ -605,7 +558,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
         case MENU_OFFSET:
             if (!gIsInSubMenu || gInputBoxIndex == 0) {
-                sprintf(String, "%3d.%05u", gSubMenuSelection / 100000, abs(gSubMenuSelection) % 100000);
+                sprintf(String, "%3ld.%05u", gSubMenuSelection / 100000, abs(gSubMenuSelection) % 100000);
                 UI_PrintString(String, menu_item_x1, menu_item_x2, 1 /*, 8 */);
             } else {
                 const char *ascii = INPUTBOX_GetAscii();
@@ -624,17 +577,16 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
         case MENU_SCR:
             if (gSubMenuSelection > 0) {
-                sprintf(String, "%d00", gSubMenuSelection + 25);
-                BK4819_EnableScramble(gSubMenuSelection - 1);
+                sprintf(String, "%huHz\n%ld", inverse_scale_freq(gSubMenuSelection), gSubMenuSelection);
             } else {
                 strcpy(String, "OFF");
-                BK4819_DisableScramble();
             }
+                BK4819_SetScramble(gSubMenuSelection);
             break;
 
         case MENU_VOX:
 #ifdef ENABLE_VOX
-            sprintf(String, gSubMenuSelection == 0 ? gSubMenu_OFF_ON[0] : "%u", gSubMenuSelection);
+            sprintf(String, gSubMenuSelection == 0 ? gSubMenu_OFF_ON[0] : "%lu", gSubMenuSelection);
 #else
             strcpy(String, gSubMenu_NA);
 #endif
@@ -644,13 +596,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             if (gSubMenuSelection == 0) {
                 strcpy(String, gSubMenu_OFF_ON[0]);
             } else if (gSubMenuSelection < 61) {
-                sprintf(String, "%02dm:%02ds", (((gSubMenuSelection) * 5) / 60), (((gSubMenuSelection) * 5) % 60));
-#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-                //ST7565_Gauge(4, 1, 60, gSubMenuSelection);
-                gaugeLine = 4;
-                gaugeMin = 1;
-                gaugeMax = 60;
-#endif
+                sprintf(String, "%02ldm:%02lds", (((gSubMenuSelection) * 5) / 60), (((gSubMenuSelection) * 5) % 60));
             } else {
                 strcpy(String, "ON");
             }
@@ -662,7 +608,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
         case MENU_ABR_MIN:
         case MENU_ABR_MAX:
-            sprintf(String, "%d", gSubMenuSelection);
+            sprintf(String, "%ld", gSubMenuSelection);
             if (gIsInSubMenu)
                 BACKLIGHT_SetBrightness(gSubMenuSelection);
             // Obsolete ???
@@ -674,22 +620,24 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             strcpy(String, gModulationStr[gSubMenuSelection]);
             break;
 
+        case MENU_TOT:
+            if (gSubMenuSelection == 0) {
+                strcpy(String, "OFF");
+            } else {
+                sprintf(String, "%02ldm:%02lds", (((gSubMenuSelection + 1) * 5) / 60), (((gSubMenuSelection + 1) * 5) % 60));
+            }
+            break;
+
         case MENU_AUTOLK:
             if (gSubMenuSelection == 0)
                 strcpy(String, gSubMenu_OFF_ON[0]);
             else {
-                sprintf(String, "%02dm:%02ds", ((gSubMenuSelection * 15) / 60), ((gSubMenuSelection * 15) % 60));
-#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-                //ST7565_Gauge(4, 1, 40, gSubMenuSelection);
-                gaugeLine = 4;
-                gaugeMin = 1;
-                gaugeMax = 40;
-#endif
+                sprintf(String, "%02ldm:%02lds", ((gSubMenuSelection * 15) / 60), ((gSubMenuSelection * 15) % 60));
             }
             break;
 
         case MENU_FSKSRC:
-            sprintf(String, "%d", gSubMenuSelection);
+            sprintf(String, "%ld", gSubMenuSelection);
             break;
 
         case MENU_COMPAND:
@@ -732,7 +680,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
             if (valid && !gAskForConfirmation) {   // show the frequency so that the user knows the channels frequency
                 const uint32_t frequency = SETTINGS_FetchChannelFrequency(gSubMenuSelection);
-                sprintf(String, "%u.%05u", frequency / 100000, frequency % 100000);
+                sprintf(String, "%lu.%05lu", frequency / 100000, frequency % 100000);
                 UI_PrintString(String, menu_item_x1, menu_item_x2, 4 /*, 8 */);
             }
 
@@ -767,7 +715,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
                 }
 
                 if (!gAskForConfirmation) {   // show the frequency so that the user knows the channels frequency
-                    sprintf(String, "%u.%05u", frequency / 100000, frequency % 100000);
+                    sprintf(String, "%lu.%05lu", frequency / 100000, frequency % 100000);
                     UI_PrintString(String, menu_item_x1, menu_item_x2, 4 + (gIsInSubMenu && edit_index >= 0) /*, 8 */);
                 }
             }
@@ -777,23 +725,13 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
         }
 
         case MENU_SAVE:
-            sprintf(String, gSubMenuSelection == 0 ? gSubMenu_OFF_ON[0] : "1:%u", gSubMenuSelection);
+            sprintf(String, gSubMenuSelection == 0 ? gSubMenu_OFF_ON[0] : "1:%ld", gSubMenuSelection);
             break;
 
         case MENU_TDR:
             strcpy(String, gSubMenu_RXMode[gSubMenuSelection]);
             break;
 
-        case MENU_TOT:
-            sprintf(String, "%02dm:%02ds", (((gSubMenuSelection + 1) * 5) / 60), (((gSubMenuSelection + 1) * 5) % 60));
-#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-            //ST7565_Gauge(4, 5, 179, gSubMenuSelection);
-            gaugeLine = 4;
-            gaugeMin = 5;
-            gaugeMax = 179;
-#endif
-            break;
-
 #ifdef ENABLE_VOICE
             case MENU_VOICE:
                 strcpy(String, gSubMenu_VOICE[gSubMenuSelection]);
@@ -804,22 +742,16 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             if (gSubMenuSelection == 0) {
                 strcpy(String, "STOP");
             } else if (gSubMenuSelection < 81) {
-                sprintf(String, "CARRIER\n%02ds:%03dms", ((gSubMenuSelection * 250) / 1000),
+                sprintf(String, "CARRIER\n%02lds:%03ldms", ((gSubMenuSelection * 250) / 1000),
                         ((gSubMenuSelection * 250) % 1000));
 #if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
                 //ST7565_Gauge(5, 1, 80, gSubMenuSelection);
-                gaugeLine = 5;
-                gaugeMin = 1;
-                gaugeMax = 80;
 #endif
             } else {
-                sprintf(String, "TIMEOUT\n%02dm:%02ds", (((gSubMenuSelection - 80) * 5) / 60),
+                sprintf(String, "TIMEOUT\n%02ldm:%02lds", (((gSubMenuSelection - 80) * 5) / 60),
                         (((gSubMenuSelection - 80) * 5) % 60));
 #if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
                 //ST7565_Gauge(5, 80, 104, gSubMenuSelection);
-                gaugeLine = 5;
-                gaugeMin = 80;
-                gaugeMax = 104;
 #endif
             }
             break;
@@ -829,14 +761,14 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             break;
 
         case MENU_RP_STE:
-            sprintf(String, gSubMenuSelection == 0 ? gSubMenu_OFF_ON[0] : "%u*100ms", gSubMenuSelection);
+            sprintf(String, gSubMenuSelection == 0 ? gSubMenu_OFF_ON[0] : "%lu*100ms", gSubMenuSelection);
             break;
 
         case MENU_S_LIST:
             if (gSubMenuSelection == 0)
                 strcpy(String, "LIST [0]\nNO LIST");
             else if (gSubMenuSelection < 4)
-                sprintf(String, "LIST [%u]", gSubMenuSelection);
+                sprintf(String, "LIST [%lu]", gSubMenuSelection);
             else if (gSubMenuSelection == 4)
                 strcpy(String, "LISTS\n[1, 2, 3]");
             else if (gSubMenuSelection == 5)
@@ -868,11 +800,11 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
                 break;
 
             case MENU_D_HOLD:
-                sprintf(String, "%ds", gSubMenuSelection);
+                sprintf(String, "%lds", gSubMenuSelection);
                 break;
 #endif
         case MENU_D_PRE:
-            sprintf(String, "%d*10ms", gSubMenuSelection);
+            sprintf(String, "%ld*10ms", gSubMenuSelection);
             break;
 
         case MENU_PTT_ID:
@@ -916,7 +848,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
                 writeXtalFreqCal(gSubMenuSelection, false);
 
-                sprintf(String, "%d\n%u.%06u\nMHz",
+                sprintf(String, "%ld\n%lu.%06lu\nMHz",
                         gSubMenuSelection,
                         xtal_Hz / 1000000, xtal_Hz % 1000000);
             }
@@ -925,7 +857,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 
         case MENU_BATCAL: {
             const uint16_t vol = (uint32_t) gBatteryVoltageAverage * gBatteryCalibration[3] / gSubMenuSelection;
-            sprintf(String, "%u.%02uV\n%u", vol / 100, vol % 100, gSubMenuSelection);
+            sprintf(String, "%u.%02dV\n%lu", vol / 100, vol % 100, gSubMenuSelection);
             break;
         }
 
@@ -946,13 +878,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             if (gSubMenuSelection == 0) {
                 strcpy(String, gSubMenu_OFF_ON[0]);
             } else if (gSubMenuSelection < 121) {
-                sprintf(String, "%dh:%02dm", (gSubMenuSelection / 60), (gSubMenuSelection % 60));
-#if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-                //ST7565_Gauge(4, 1, 120, gSubMenuSelection);
-                gaugeLine = 4;
-                gaugeMin = 1;
-                gaugeMax = 120;
-#endif
+                sprintf(String, "%ldh:%02ldm", (gSubMenuSelection / 60), (gSubMenuSelection % 60));
             }
             break;
 #endif
@@ -962,21 +888,6 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             strcpy(String, gSubMenu_SET_PTT[gSubMenuSelection]);
             break;
 
-        case MENU_SET_TOT:
-        case MENU_SET_EOT:
-            strcpy(String, gSubMenu_SET_TOT[gSubMenuSelection]); // Same as SET_TOT
-            break;
-
-        case MENU_SET_CTR:
-#ifdef ENABLE_FEAT_F4HWN_CTR
-            sprintf(String, "%d", gSubMenuSelection);
-            gSetting_set_ctr = gSubMenuSelection;
-            ST7565_ContrastAndInv();
-#else
-            strcpy(String, gSubMenu_NA);
-#endif
-            break;
-
         case MENU_SET_INV:
 #ifdef ENABLE_FEAT_F4HWN_INV
             strcpy(String, gSubMenu_OFF_ON[gSubMenuSelection]);
@@ -986,23 +897,13 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
 #endif
             break;
 
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-        case MENU_SET_NFM:
-            strcpy(String, gSubMenu_SET_NFM[gSubMenuSelection]);
-            break;
-#endif
-
 #ifdef ENABLE_FEAT_F4HWN_VOL
             case MENU_SET_VOL:
                 if (gSubMenuSelection == 0) {
                     strcpy(String, gSubMenu_OFF_ON[0]);
                 } else if (gSubMenuSelection < 64) {
-                    sprintf(String, "%02u", gSubMenuSelection);
+                    sprintf(String, "%02lu", gSubMenuSelection);
 #if !defined(ENABLE_SPECTRUM) || !defined(ENABLE_FMRADIO)
-                    //ST7565_Gauge(4, 1, 63, gSubMenuSelection);
-                    gaugeLine = 4;
-                    gaugeMin = 1;
-                    gaugeMax = 63;
 #endif
                 }
                 gEeprom.VOLUME_GAIN = gSubMenuSelection;
@@ -1013,12 +914,6 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
                                      (gEeprom.DAC_GAIN << 0));     // AF DAC Gain (after Gain-1 and Gain-2)
                 break;
 #endif
-
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-            case MENU_SET_KEY:
-                strcpy(String, gSubMenu_SET_KEY[gSubMenuSelection]);
-                break;
-#endif
 #endif
 
     }
@@ -1108,12 +1003,12 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
             UI_PrintStringSmallNormal(pPrintStr, menu_item_x1, menu_item_x2, 2);
 
             if (IS_MR_CHANNEL(gEeprom.SCANLIST_PRIORITY_CH1[i])) {
-                sprintf(String, "PRI%d:%u", 1, gEeprom.SCANLIST_PRIORITY_CH1[i] + 1);
+                sprintf(String, "PRI%ld:%u", 1, gEeprom.SCANLIST_PRIORITY_CH1[i] + 1);
                 UI_PrintString(String, menu_item_x1, menu_item_x2, 3 , 8);
             }
 
             if (IS_MR_CHANNEL(gEeprom.SCANLIST_PRIORITY_CH2[i])) {
-                sprintf(String, "PRI%d:%u", 2, gEeprom.SCANLIST_PRIORITY_CH2[i] + 1);
+                sprintf(String, "PRI%ld:%u", 2, gEeprom.SCANLIST_PRIORITY_CH2[i] + 1);
                 UI_PrintString(String, menu_item_x1, menu_item_x2, 5, 8);
             }
             */
@@ -1152,7 +1047,7 @@ UI_PrintStringSmallNormal(String, 2, 0, 6);
         || UI_MENU_GetCurrentMenuId() == MENU_D_LIST
 #endif
             ) {
-        sprintf(String, "%2d", gSubMenuSelection);
+        sprintf(String, "%2ld", gSubMenuSelection);
         UI_PrintStringSmallNormal(String, 105, 0, 0);
     }
 

ui/menu.h

@@ -115,21 +115,11 @@ enum {
 #endif
 #ifdef ENABLE_FEAT_F4HWN
     MENU_SET_PTT,
-    MENU_SET_TOT,
-    MENU_SET_EOT,
-    MENU_SET_CTR,
     MENU_SET_INV,
-    MENU_SET_LCK,
     MENU_SET_TMR,
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-    MENU_SET_NFM,
-#endif
 #ifdef ENABLE_FEAT_F4HWN_VOL
     MENU_SET_VOL,
 #endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-    MENU_SET_KEY,
-#endif
 #ifdef ENABLE_NOAA
     MENU_NOAA_S,
 #endif
@@ -147,10 +137,9 @@ extern const t_menu_item MenuList[];
 
 extern const char gSubMenu_TXP[7][5];
 extern const char gSubMenu_SFT_D[3][4];
-extern const char gSubMenu_W_N[2][7];
+extern const char gSubMenu_W_N[3][5];
 extern const char gSubMenu_OFF_ON[2][4];
 extern const char gSubMenu_NA[4];
-extern const char gSubMenu_TOT[11][7];
 extern const char *const gSubMenu_RXMode[4];
 
 #ifdef ENABLE_VOICE
@@ -165,14 +154,7 @@ extern const char gSubMenu_D_RSP[4][11];
 #endif
 
 #ifdef ENABLE_FEAT_F4HWN
-extern const char gSubMenu_SET_PTT[2][8];
-extern const char gSubMenu_SET_TOT[4][7];
-#ifdef ENABLE_FEAT_F4HWN_NARROWER
-extern const char gSubMenu_SET_NFM[2][9];
-#endif
-#ifdef ENABLE_FEAT_F4HWN_RESCUE_OPS
-extern const char gSubMenu_SET_KEY[][9];
-#endif
+extern const char gSubMenu_SET_PTT[2][4];
 #endif
 
 extern const char *const gSubMenu_PTT_ID[5];
@@ -181,8 +163,8 @@ extern const char gSubMenu_ROGER[3][6];
 extern const char gSubMenu_RESET[2][4];
 extern const char *const gSubMenu_F_LOCK[F_LOCK_LEN];
 extern const char gSubMenu_RX_TX[4][6];
-extern const char gSubMenu_BAT_TXT[3][8];
-extern const char gSubMenu_BATTYP[3][9];
+extern const char gSubMenu_BAT_TXT[3][5];
+extern const char gSubMenu_BATTYP[3][3];
 
 typedef struct {
     char *name;

ui/messages.c

@@ -0,0 +1,121 @@
+//
+// Created by bruno on 3/30/25.
+//
+
+#include "messages.h"
+
+
+// Convert a 32-bit number to a string (10 digits, zero-padded)
+void u32_to_str(uint32_t num, char *str) {
+    for (int i = 9; i >= 0; i--) {
+        str[i] = '0' + (num % 10);
+        num /= 10;
+    }
+    str[10] = '\0';
+}
+
+// Convert an 8-bit number to a 2-digit string (zero-padded)
+void u8_to_str(uint8_t num, char *str) {
+    str[0] = '0' + (num / 100);      // Hundreds place
+    str[1] = '0' + ((num / 10) % 10); // Tens place
+    str[2] = '0' + (num % 10);       // Ones place
+    str[3] = '\0';
+}
+
+
+void UI_DisplayMessages(void) {
+    char String[19];
+    UI_DisplayClear();
+    if (gEnteringSMS != SMS_NOT_ENTERING) {
+        if (gEnteringSMS == SMS_ENTERING_DEST) {
+            UI_PrintString("SMS dest", 0, 0, 0 /*, 8 */);
+            u32_to_str(dataPacket.dest, String);
+            UI_PrintStringSmallNormal(String, 0, 0, 2);
+        } else if (gEnteringSMS == SMS_ENTERING_MESSAGE) {
+            UI_PrintString("SMS data", 0, 0, 0 /*, 8 */);
+            UI_PrintStringSmallNormal((const char *) dataPacket.data, 1, 0, 1);
+            memset(gFrameBuffer[1] + 2 + (7 * strlen((const char *) dataPacket.data)), gKeyTimeout == 0 ? 0xFF : 0x80,
+                   6);
+        }
+    } else {
+
+
+        String[0] = 'M';
+        String[1] = 'S';
+        String[2] = 'G';
+        String[3] = ' ';
+
+        for (size_t i = 8; i < 14; i++) {
+            String[i] = ' ';
+        }
+
+        String[4] = 'F';
+        String[5] = 'l';
+        String[6] = 'g';
+        String[7] = 's';
+        String[8] = ':';
+        String[9] = ' ';
+        u8_to_str(loadedPacket.flags, &String[10]);  // Write at offset 7
+
+        String[13] = ' ';
+        if (gActiveMessage == MESSAGES_COUNT) {
+            String[14] = 'T';
+        } else {
+            String[14] = '0' + gActiveMessage;
+        }
+        String[15] = '/';
+        String[16] = '0' + MESSAGES_COUNT;
+        String[17] = 0;
+
+        UI_PrintString(String, 2, 0, 0 /*, 8 */);
+
+        String[5] = ' ';
+        if (gActiveMessage == MESSAGES_COUNT) {
+            String[0] = 'T';
+            String[1] = 'o';
+            String[2] = ':';
+            String[3] = ' ';
+            String[4] = ' ';
+        } else {
+            String[0] = 'F';
+            String[1] = 'r';
+            String[2] = 'o';
+            String[3] = 'm';
+            String[4] = ':';
+        }
+        u32_to_str(gActiveMessage == MESSAGES_COUNT ? dataPacket.dest : loadedPacket.src,
+                   &String[6]);  // Write at offset 6
+        UI_PrintString(String, 2, 0, 1 /*, 8 */);
+
+        String[0] = 'S';
+        String[1] = 'E';
+        String[2] = 'Q';
+        String[3] = ':';
+        String[4] = ' ';
+        u8_to_str(loadedPacket.seq, &String[5]);  // Write at offset 5
+        String[8] = ' ';
+        String[9] = 'T';
+        String[10] = 'T';
+        String[11] = 'L';
+        String[12] = ':';
+        String[13] = ' ';
+        String[14] = 0;
+        u8_to_str(loadedPacket.ttl, &String[14]);  // Write at new offset
+        UI_PrintString(String, 2, 0, 2 /*, 8 */);
+
+
+        char String2[13] = "Data:        ";
+        if (gGotACK) {
+            String2[6] = 'G';
+            String2[7] = 'o';
+            String2[8] = 't';
+            String2[9] = 'A';
+            String2[10] = 'C';
+            String2[11] = 'K';
+        }
+        String2[12] = 0;
+        UI_PrintString(String2, 0, 0, 3 /*, 8 */);
+        UI_PrintString((const char *) loadedPacket.data, 2, 0, 4 /*, 8 */);
+    }
+    ST7565_BlitFullScreen();
+}

ui/messages.h

@@ -0,0 +1,18 @@
+//
+// Created by bruno on 3/30/25.
+//
+
+#ifndef BRNQUANFW_MESSAGES_H
+#define BRNQUANFW_MESSAGES_H
+#include "stdio.h"
+#include "helper.h"
+#include "../driver/st7565.h"
+#include "string.h"
+#include "../app/messages.h"
+#include "../app/fskmodem.h"
+
+void UI_DisplayMessages(void);
+void u8_to_str(uint8_t num, char *str);
+void u32_to_str(uint32_t num, char *str);
+
+#endif //BRNQUANFW_MESSAGES_H

ui/status.c

@@ -54,6 +54,17 @@ static void convertTime(uint8_t *line, uint8_t type)
 #endif
 #endif
 
+//static const char* const FunctionStrings[] = {
+//        [FUNCTION_FOREGROUND] = "FG",
+//        [FUNCTION_TRANSMIT]   = "TX",
+//        [FUNCTION_MONITOR]    = "MON",
+//        [FUNCTION_INCOMING]   = "INC",
+//        [FUNCTION_RECEIVE]    = "RX",
+//        [FUNCTION_POWER_SAVE] = "PWS",
+//        [FUNCTION_BAND_SCOPE] = "BS",
+//        [FUNCTION_N_ELEM]     = "NE"
+//};
+
 void UI_DisplayStatus()
 {
     char str[8] = "";
@@ -227,10 +238,6 @@ void UI_DisplayStatus()
             size = sizeof(gFontMute);
         }
     #endif
-    else if (gBackLight) {
-        src = gFontLight;
-        size = sizeof(gFontLight);
-    }
     #ifdef ENABLE_FEAT_F4HWN_CHARGING_C
     else if (gChargingWithTypeC) {
         src = BITMAP_USB_C;
@@ -239,9 +246,7 @@ void UI_DisplayStatus()
     #endif
 
     // Perform the memcpy if a source was selected
-    if (src) {
-        memcpy(line + x + 1, src, size);
-    }
+    memcpy(line + x + 1, src, size);
 
     // Battery
     unsigned int x2 = LCD_WIDTH - sizeof(BITMAP_BatteryLevel1) - 0;
@@ -282,5 +287,8 @@ void UI_DisplayStatus()
 
     // **************
 
+//    x2 -= (7 * strlen(str));
+//    UI_PrintStringSmallBufferNormal(FunctionStrings[gCurrentFunction], line + x2 - 20);
+
     ST7565_BlitStatusLine();
 }

ui/ui.c

@@ -39,6 +39,7 @@
 #include "ui/scanner.h"
 #include "ui/ui.h"
 #include "../misc.h"
+#include "messages.h"
 
 GUI_DisplayType_t gScreenToDisplay;
 GUI_DisplayType_t gRequestDisplayScreen = DISPLAY_INVALID;
@@ -52,6 +53,7 @@ void (*UI_DisplayFunctions[])(void) = {
     [DISPLAY_MAIN] = &UI_DisplayMain,
     [DISPLAY_MENU] = &UI_DisplayMenu,
     [DISPLAY_SCANNER] = &UI_DisplayScanner,
+    [DISPLAY_MESSAGES] = &UI_DisplayMessages,
 
 #ifdef ENABLE_FMRADIO
     [DISPLAY_FM] = &UI_DisplayFM,

ui/ui.h

@@ -25,6 +25,7 @@ enum GUI_DisplayType_t
     DISPLAY_MAIN = 0,
     DISPLAY_MENU,
     DISPLAY_SCANNER,
+    DISPLAY_MESSAGES,
 
 #ifdef ENABLE_FMRADIO
     DISPLAY_FM,