Refactor stepFruencyTable & drop ARRAY_SIZE for frequencyBandTable

app/aircopy.c

@@ -133,7 +133,7 @@ static void AIRCOPY_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 		gInputBoxIndex = 0;
 		Frequency = StrToUL(INPUTBOX_GetAscii()) * 100;	
 
-		for (i = 0; i < ARRAY_SIZE(frequencyBandTable); i++)
+		for (i = 0; i < BAND_N_ELEM; i++)
 		{
 			if (Frequency >= frequencyBandTable[i].lower && Frequency < frequencyBandTable[i].upper)
 			{

app/main.c

@@ -152,7 +152,7 @@ static void processFKeyFunction(const KEY_Code_t Key, const bool beep)
 			if (gTxVfo->Band == BAND5_350MHz && !gSetting_350EN) {
 				// skip if not enabled
 				gTxVfo->Band += 1;
-			} else if (gTxVfo->Band >= BAND_LAST_ELEMENT){
+			} else if (gTxVfo->Band >= BAND_N_ELEM){
 				// go arround if overflowed
 				gTxVfo->Band = BAND1_50MHz;
 			}
@@ -380,9 +380,9 @@ static void MAIN_Key_DIGITS(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld)
 				Frequency = (Frequency < center) ? BX4819_band1.upper : BX4819_band2.lower;
 			}
 			else
-			if (Frequency > frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper)
+			if (Frequency > frequencyBandTable[BAND_N_ELEM - 1].upper)
 			{
-				Frequency = frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper;
+				Frequency = frequencyBandTable[BAND_N_ELEM - 1].upper;
 			}
 
 			const FREQUENCY_Band_t band = FREQUENCY_GetBand(Frequency);

app/menu.c

@@ -40,7 +40,6 @@
 #endif
 #include "ui/inputbox.h"
 #include "ui/menu.h"
-#include "ui/menu.h"
 #include "ui/ui.h"
 
 #ifndef ARRAY_SIZE
@@ -123,7 +122,7 @@ int MENU_GetLimits(uint8_t menu_id, int32_t *pMin, int32_t *pMax)
 
 		case MENU_STEP:
 			*pMin = 0;
-			*pMax = ARRAY_SIZE(gStepFrequencyTable) - 1;
+			*pMax = STEP_N_ELEM - 1;
 			break;
 
 		case MENU_ABR:

app/spectrum.c

@@ -18,6 +18,7 @@
 #include "am_fix.h"
 #include "audio.h"
 #include "driver/backlight.h"
+#include "frequencies.h"
 #include "ui/helper.h"
 #include "ui/main.h"
 
@@ -28,7 +29,7 @@ struct FrequencyBandInfo {
 };
 
 #define F_MIN frequencyBandTable[0].lower
-#define F_MAX frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper
+#define F_MAX frequencyBandTable[BAND_N_ELEM - 1].upper
 
 const uint16_t RSSI_MAX_VALUE = 65535;
 

app/spectrum.h

@@ -29,7 +29,6 @@
 #include "../driver/systick.h"
 #include "../external/printf/printf.h"
 #include "../font.h"
-#include "../frequencies.h"
 #include "../helper/battery.h"
 #include "../misc.h"
 #include "../radio.h"

frequencies.c

@@ -17,6 +17,7 @@
 #include "frequencies.h"
 #include "misc.h"
 #include "settings.h"
+#include <assert.h>
 
 // the BK4819 has 2 bands it covers, 18MHz ~ 630MHz and 760MHz ~ 1300MHz
 
@@ -61,9 +62,31 @@ const freq_band_table_t frequencyBandTable[] =
 #endif
 
 
+// this order of steps has to be preserved for backwards compatibility with other/stock firmwares
 const uint16_t gStepFrequencyTable[] = {
-	250, 500, 625, 1000, 1250, 2500, 833,
-	1, 5, 10, 25, 50, 100, 125, 1500, 3000, 5000, 10000, 12500, 25000, 50000
+// standard steps
+	[STEP_2_5kHz]   = 250, 
+	[STEP_5kHz]     = 500, 
+	[STEP_6_25kHz]  = 625, 
+	[STEP_10kHz]    = 1000, 
+	[STEP_12_5kHz]  = 1250, 
+	[STEP_25kHz]    = 2500, 
+	[STEP_8_33kHz]  = 833,
+// custom steps
+	[STEP_0_01kHz]  = 1, 
+	[STEP_0_05kHz]  = 5, 
+	[STEP_0_1kHz]   = 10, 
+	[STEP_0_25kHz]  = 25, 
+	[STEP_0_5kHz]   = 50, 
+	[STEP_1kHz]     = 100, 
+	[STEP_1_25kHz]  = 125, 
+	[STEP_15kHz]    = 1500, 
+	[STEP_30kHz]    = 3000, 
+	[STEP_50kHz]    = 5000, 
+	[STEP_100kHz]   = 10000, 
+	[STEP_125kHz]   = 12500, 
+	[STEP_250kHz]   = 25000, 
+	[STEP_500kHz]   = 50000
 };
 
 
@@ -86,15 +109,16 @@ uint32_t FREQUENCY_GetSortedIdxFromStepIdx(uint8_t stepIdx)
 	return 0;
 }
 
+static_assert(ARRAY_SIZE(gStepFrequencyTable) == STEP_N_ELEM);
+
+
 FREQUENCY_Band_t FREQUENCY_GetBand(uint32_t Frequency)
 {
-	for (int band = ARRAY_SIZE(frequencyBandTable) - 1; band >= 0; band--)
+	for (int32_t band = BAND_N_ELEM - 1; band >= 0; band--)
 		if (Frequency >= frequencyBandTable[band].lower)
-//		if (Frequency <  frequencyBandTable[band].upper)
 			return (FREQUENCY_Band_t)band;
 
 	return BAND1_50MHz;
-//	return BAND_NONE;
 }
 
 uint8_t FREQUENCY_CalculateOutputPower(uint8_t TxpLow, uint8_t TxpMid, uint8_t TxpHigh, int32_t LowerLimit, int32_t Middle, int32_t UpperLimit, int32_t Frequency)
@@ -124,6 +148,7 @@ uint32_t FREQUENCY_RoundToStep(uint32_t freq, uint16_t step)
         int chno = (freq - base) / 700;    // convert entered aviation 8.33Khz channel number scheme to actual frequency. 
         return base + (chno * 833) + (chno == 3);
 	}
+
 	if(step == 1)
 		return freq;
 	if(step >= 1000) 
@@ -135,8 +160,8 @@ int32_t TX_freq_check(const uint32_t Frequency)
 {	// return '0' if TX frequency is allowed
 	// otherwise return '-1'
 
-	if (Frequency < frequencyBandTable[0].lower || Frequency > frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper)
-		return -1;  // not allowed outside this range
+	if (Frequency < frequencyBandTable[0].lower || Frequency > frequencyBandTable[BAND_N_ELEM - 1].upper)
+		return 1;  // not allowed outside this range
 
 	if (Frequency >= BX4819_band1.upper && Frequency < BX4819_band2.lower)
 		return -1;  // BX chip does not work in this range
@@ -212,7 +237,7 @@ int32_t RX_freq_check(const uint32_t Frequency)
 {	// return '0' if RX frequency is allowed
 	// otherwise return '-1'
 
-	if (Frequency < frequencyBandTable[0].lower || Frequency > frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper)
+	if (Frequency < frequencyBandTable[0].lower || Frequency > frequencyBandTable[BAND_N_ELEM - 1].upper)
 		return -1;
 
 	if (Frequency >= BX4819_band1.upper && Frequency < BX4819_band2.lower)

frequencies.h

@@ -29,8 +29,6 @@ typedef struct {
 extern const freq_band_table_t BX4819_band1;
 extern const freq_band_table_t BX4819_band2;
 
-extern const freq_band_table_t frequencyBandTable[7];
-
 typedef enum  {
 	BAND_NONE = -1,
 	BAND1_50MHz = 0,
@@ -40,11 +38,13 @@ typedef enum  {
 	BAND5_350MHz,
 	BAND6_400MHz,
 	BAND7_470MHz,
-	BAND_LAST_ELEMENT //keep this guard as last element
+	BAND_N_ELEM
 } FREQUENCY_Band_t;
 
+extern const freq_band_table_t frequencyBandTable[];
 
 typedef enum {
+// standard steps
 	STEP_2_5kHz, 
 	STEP_5kHz, 
 	STEP_6_25kHz, 
@@ -52,6 +52,7 @@ typedef enum {
 	STEP_12_5kHz, 
 	STEP_25kHz, 
 	STEP_8_33kHz,
+// custom steps
 	STEP_0_01kHz,	
 	STEP_0_05kHz,	
 	STEP_0_1kHz, 
@@ -66,10 +67,11 @@ typedef enum {
 	STEP_125kHz, 
 	STEP_250kHz, 
 	STEP_500kHz,
+	STEP_N_ELEM
 } STEP_Setting_t;
 
 
-extern const uint16_t  	gStepFrequencyTable[21];
+extern const uint16_t gStepFrequencyTable[];
 
 #ifdef ENABLE_NOAA
 	extern const uint32_t NoaaFrequencyTable[10];

radio.c

@@ -253,7 +253,7 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
 		pVfo->Modulation = tmp;
 
 		tmp = data[6];
-		if (tmp >= ARRAY_SIZE(gStepFrequencyTable))
+		if (tmp >= STEP_N_ELEM)
 			tmp = STEP_12_5kHz;
 		pVfo->STEP_SETTING  = tmp;
 		pVfo->StepFrequency = gStepFrequencyTable[tmp];
@@ -412,13 +412,12 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
 
 void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo)
 {
-	uint8_t          Txp[3];
-	FREQUENCY_Band_t Band;
+
 
 	// *******************************
 	// squelch
 
-	Band = FREQUENCY_GetBand(pInfo->pRX->Frequency);
+	FREQUENCY_Band_t Band = FREQUENCY_GetBand(pInfo->pRX->Frequency);
 	uint16_t Base = (Band < BAND4_174MHz) ? 0x1E60 : 0x1E00;
 
 	if (gEeprom.SQUELCH_LEVEL == 0)
@@ -501,9 +500,9 @@ void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo)
 
 	Band = FREQUENCY_GetBand(pInfo->pTX->Frequency);
 
+	uint8_t Txp[3];
 	EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (pInfo->OUTPUT_POWER * 3), Txp, 3);
 
-
 #ifdef ENABLE_REDUCE_LOW_MID_TX_POWER
 	// make low and mid even lower
 	if (pInfo->OUTPUT_POWER == OUTPUT_POWER_LOW) {
@@ -548,9 +547,8 @@ void RADIO_ApplyOffset(VFO_Info_t *pInfo)
 
 	if (Frequency < frequencyBandTable[0].lower)
 		Frequency = frequencyBandTable[0].lower;
-	else
-	if (Frequency > frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper)
-		Frequency = frequencyBandTable[ARRAY_SIZE(frequencyBandTable) - 1].upper;
+	else if (Frequency > frequencyBandTable[BAND_N_ELEM - 1].upper)
+		Frequency = frequencyBandTable[BAND_N_ELEM - 1].upper;
 
 	pInfo->freq_config_TX.Frequency = Frequency;
 }

settings.h

@@ -33,7 +33,7 @@ enum POWER_OnDisplayMode_t {
 };
 typedef enum POWER_OnDisplayMode_t POWER_OnDisplayMode_t;
 
-enum {
+enum TxLockModes_t {
 	F_LOCK_DEF, //all default frequencies + configurable
 	F_LOCK_FCC,
 	F_LOCK_CE,