Add "BLMIN TMP OFF" function for programmable buttons

Makefile

@@ -37,7 +37,7 @@ ENABLE_COPY_CHAN_TO_VFO       := 1
 ENABLE_SPECTRUM               := 1
 ENABLE_REDUCE_LOW_MID_TX_POWER:= 0
 ENABLE_BYP_RAW_DEMODULATORS   := 0
-
+ENABLE_BLMIN_TMP_OFF		  := 0
 #############################################################
 
 TARGET = firmware
@@ -325,6 +325,9 @@ endif
 ifeq ($(ENABLE_BYP_RAW_DEMODULATORS),1)
 	CFLAGS  += -DENABLE_BYP_RAW_DEMODULATORS
 endif
+ifeq ($(ENABLE_BLMIN_TMP_OFF),1)
+	CFLAGS  += -DENABLE_BLMIN_TMP_OFF
+endif
 
 LDFLAGS =
 ifeq ($(ENABLE_CLANG),0)

README.md

@@ -88,6 +88,7 @@ ENABLE_AUDIO_BAR              := 0       experimental, display an audo bar level
 ENABLE_COPY_CHAN_TO_VFO       := 1       copy current channel into the other VFO. Long press Menu key ('M')
 #ENABLE_SINGLE_VFO_CHAN       := 1       not yet implemented - single VFO on display when possible
 #ENABLE_BAND_SCOPE            := 1       not yet implemented - spectrum/pan-adapter
+ENABLE_BLMIN_TMP_OFF		  := 0       additional function for configurable buttons that toggles `BLMin` on and off wihout saving it to the EEPROM
 ```
 
 # New/modified function keys

app/action.c

@@ -32,6 +32,7 @@
 #endif
 #include "driver/bk4819.h"
 #include "driver/gpio.h"
+#include "driver/backlight.h"
 #include "functions.h"
 #include "misc.h"
 #include "settings.h"
@@ -308,6 +309,20 @@ void ACTION_SwitchDemodul(void)
 	gRequestSaveChannel = 1;
 }
 
+#ifdef ENABLE_BLMIN_TMP_OFF
+void ACTION_BlminTmpOff(void)
+{
+	if(++gEeprom.BACKLIGHT_MIN_STAT == BLMIN_STAT_UNKNOWN)
+	{
+		gEeprom.BACKLIGHT_MIN_STAT = BLMIN_STAT_ON;
+		BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MIN);
+	} else
+	{
+		BACKLIGHT_SetBrightness(0);
+	}
+}
+#endif
+
 void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 {
 	if (gScreenToDisplay == DISPLAY_MAIN && gDTMF_InputMode) // entering DTMF code
@@ -425,6 +440,11 @@ void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 			break;
 		case ACTION_OPT_SWITCH_DEMODUL:
 			ACTION_SwitchDemodul();
-			break;	
+			break;
+#ifdef ENABLE_BLMIN_TMP_OFF
+		case ACTION_OPT_BLMIN_TMP_OFF:
+			ACTION_BlminTmpOff();
+			break;
+#endif
 	}
 }

app/action.h

@@ -34,6 +34,10 @@ void ACTION_Scan(bool bRestart);
 #endif
 void ACTION_SwitchDemodul(void);
 
+#ifdef ENABLE_BLMIN_TMP_OFF
+void ACTION_BlminTmpOff(void);
+#endif
+
 void ACTION_Handle(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
 
 #endif

board.c

@@ -537,6 +537,9 @@ void BOARD_EEPROM_Init(void)
 	EEPROM_ReadBuffer(0x0E78, Data, 8);
 	gEeprom.BACKLIGHT_MAX 		  = (Data[0] & 0xF) <= 10 ? (Data[0] & 0xF) : 10;
 	gEeprom.BACKLIGHT_MIN 		  = (Data[0] >> 4) < gEeprom.BACKLIGHT_MAX ? (Data[0] >> 4) : 0;
+#ifdef ENABLE_BLMIN_TMP_OFF
+	gEeprom.BACKLIGHT_MIN_STAT	  = BLMIN_STAT_ON;
+#endif
 	gEeprom.CHANNEL_DISPLAY_MODE  = (Data[1] < 4) ? Data[1] : MDF_FREQUENCY;    // 4 instead of 3 - extra display mode
 	gEeprom.CROSS_BAND_RX_TX      = (Data[2] < 3) ? Data[2] : CROSS_BAND_OFF;
 	gEeprom.BATTERY_SAVE          = (Data[3] < 5) ? Data[3] : 4;

driver/backlight.c

@@ -94,7 +94,18 @@ void BACKLIGHT_TurnOn(void)
 
 void BACKLIGHT_TurnOff()
 {
+#ifdef ENABLE_BLMIN_TMP_OFF
+	register uint8_t tmp;
+
+	if (gEeprom.BACKLIGHT_MIN_STAT == BLMIN_STAT_ON)
+		tmp = gEeprom.BACKLIGHT_MIN;
+	else
+		tmp = 0;
+
+	BACKLIGHT_SetBrightness(tmp);
+#else
 	BACKLIGHT_SetBrightness(gEeprom.BACKLIGHT_MIN);
+#endif
 	gBacklightCountdown = 0;
 	backlightOn = false;
 }
@@ -108,4 +119,4 @@ void BACKLIGHT_SetBrightness(uint8_t brigtness)
 {
 	PWM_PLUS0_CH0_COMP = (1 << brigtness) - 1;
 	//PWM_PLUS0_SWLOAD = 1;
-}
+}

driver/backlight.h

@@ -23,6 +23,14 @@
 extern uint16_t gBacklightCountdown;
 extern uint8_t gBacklightBrightness;
 
+#ifdef ENABLE_BLMIN_TMP_OFF
+typedef enum {
+    BLMIN_STAT_ON,
+    BLMIN_STAT_OFF,
+    BLMIN_STAT_UNKNOWN
+} BLMIN_STAT_t;
+#endif
+
 void BACKLIGHT_InitHardware();
 void BACKLIGHT_TurnOn();
 void BACKLIGHT_TurnOff();

settings.h

@@ -23,6 +23,7 @@
 #include "frequencies.h"
 #include <helper/battery.h>
 #include "radio.h"
+#include <driver/backlight.h>
 
 enum POWER_OnDisplayMode_t {
 	POWER_ON_DISPLAY_MODE_FULL_SCREEN = 0,
@@ -85,6 +86,9 @@ enum {
 	ACTION_OPT_A_B,
 	ACTION_OPT_VFO_MR,
 	ACTION_OPT_SWITCH_DEMODUL,
+#ifdef ENABLE_BLMIN_TMP_OFF
+	ACTION_OPT_BLMIN_TMP_OFF, //BackLight Minimum Temporay OFF
+#endif
 	ACTION_OPT_LEN
 };
 
@@ -231,6 +235,9 @@ typedef struct {
 
 	uint8_t 			  KEY_M_LONG_PRESS_ACTION;
 	uint8_t               BACKLIGHT_MIN;
+#ifdef ENABLE_BLMIN_TMP_OFF
+	BLMIN_STAT_t		  BACKLIGHT_MIN_STAT;
+#endif
 	uint8_t               BACKLIGHT_MAX;
 	BATTERY_Type_t		  BATTERY_TYPE;
 } EEPROM_Config_t;

ui/menu.c

@@ -361,6 +361,9 @@ const t_sidefunction SIDEFUNCTIONS[] =
 	{"SWITCH\nVFO",		ACTION_OPT_A_B},
 	{"VFO/MR",			ACTION_OPT_VFO_MR},
 	{"SWITCH\nDEMODUL",	ACTION_OPT_SWITCH_DEMODUL},
+#ifdef ENABLE_BLMIN_TMP_OFF
+	{"BLMIN\nTMP OFF",  ACTION_OPT_BLMIN_TMP_OFF}, 		//BackLight Minimum Temporay OFF
+#endif
 };
 const t_sidefunction* gSubMenu_SIDEFUNCTIONS = SIDEFUNCTIONS;
 const uint8_t gSubMenu_SIDEFUNCTIONS_size = ARRAY_SIZE(SIDEFUNCTIONS);