Disable scan timeout compile option, updated win_make.bat to help path problems

Makefile

@@ -22,6 +22,7 @@ ENABLE_BOOT_BEEPS             := 0
 ENABLE_COMPANDER              := 1
 ENABLE_SHOW_CHARGE_LEVEL      := 0
 ENABLE_REVERSE_BAT_SYMBOL     := 1
+ENABLE_NO_SCAN_TIMEOUT        := 1
 ENABLE_AM_FIX                 := 1
 ENABLE_AM_FIX_SHOW_DATA       := 1
 ENABLE_SQUELCH1_LOWER         := 0
@@ -204,6 +205,9 @@ endif
 ifeq ($(ENABLE_REVERSE_BAT_SYMBOL),1)
 	CFLAGS  += -DENABLE_REVERSE_BAT_SYMBOL
 endif
+ifeq ($(ENABLE_NO_SCAN_TIMEOUT),1)
+	CFLAGS  += -DENABLE_NO_SCAN_TIMEOUT
+endif
 ifeq ($(ENABLE_AM_FIX),1)
 	CFLAGS  += -DENABLE_AM_FIX
 endif

README.md

@@ -71,7 +71,10 @@ To compile directly in windows without the need of a linux virtual machine:
 ```
 1. Download and install "gcc-arm-none-eabi-10.3-2021.10-win32.exe" from https://developer.arm.com/downloads/-/gnu-rm
 2. Download and install "gnu_make-3.81.exe" from https://gnuwin32.sourceforge.net/packages/make.htm
-3. You may (or not) need to manualy add gcc path to you OS environment PATH, ie C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2021.10\bin
+
+3. You may (or not) need to manualy add gcc path to you OS environment PATH.
+   ie add C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2021.10\bin
+
 4. You may (or not) need to reboot your PC after installing the above
 ```
 

am_fix.c

@@ -297,14 +297,11 @@ const uint8_t orig_pga       = 6;   //  -3dB
 	// used to simply detect we've changed our table index/register settings
 	unsigned int am_fix_gain_table_index_prev[2] = {0, 0};
 
-	// moving average RSSI buffer
+	struct
-	// helps smooth out any spikey RSSI readings
+	{
-	struct {
+		unsigned int count;
-		unsigned int count;         //
+		uint16_t     level;
-		unsigned int index;         // read/write buffer index
+	} rssi[2];
-		uint16_t     samples[4];    // 40ms long buffer (10ms RSSI sample rate)
-		uint16_t     sum;           // sum of all samples in the buffer
-	} moving_avg_rssi[2] = {0};
 
 	// to help reduce gain hunting, provides a peak hold time delay
 	unsigned int am_gain_hold_counter[2] = {0, 0};
@@ -315,8 +312,8 @@ const uint8_t orig_pga       = 6;   //  -3dB
 	void AM_fix_reset(const int vfo)
 	{	// reset the AM fixer
 
-		// reset the moving average filter
+		rssi[vfo].count = 0;
-		memset(&moving_avg_rssi[vfo], 0, sizeof(moving_avg_rssi[vfo]));
+		rssi[vfo].level = 0;
 
 		am_gain_hold_counter[vfo] = 0;
 
@@ -352,6 +349,8 @@ const uint8_t orig_pga       = 6;   //  -3dB
 			case FUNCTION_TRANSMIT:
 			case FUNCTION_BAND_SCOPE:
 			case FUNCTION_POWER_SAVE:
+				return;
+
 			case FUNCTION_FOREGROUND:
 				return;
 
@@ -362,21 +361,16 @@ const uint8_t orig_pga       = 6;   //  -3dB
 				break;
 		}
 
-		// sample the current RSSI level
+		// sample the current RSSI level, average it with the previous rssi
-		uint16_t rssi = BK4819_GetRSSI(); // supposed 9-bit value (0 .. 511) - never seen that though
+		if (rssi[vfo].count < 1)
-
+		{
-#if 1
+			rssi[vfo].level = BK4819_GetRSSI();
-		// compute moving average RSSI - helps smooth any sharp spikes/troughs
+			rssi[vfo].count++;
-		// but can cause gain hunting/oscillation if too long a buffer (.samples)
+		}
-		if (moving_avg_rssi[vfo].count < ARRAY_SIZE(moving_avg_rssi[vfo].samples))
+		else
-			moving_avg_rssi[vfo].count++;
+		{
-		moving_avg_rssi[vfo].sum -= moving_avg_rssi[vfo].samples[moving_avg_rssi[vfo].index];  // subtract the oldest sample
+			rssi[vfo].level = (rssi[vfo].level + BK4819_GetRSSI()) >> 1;
-		moving_avg_rssi[vfo].sum += rssi;                             		               // add the newest sample
+		}
-		moving_avg_rssi[vfo].samples[moving_avg_rssi[vfo].index] = rssi;                  // save the newest sample
-		if (++moving_avg_rssi[vfo].index >= ARRAY_SIZE(moving_avg_rssi[vfo].samples)) 		    //
-			moving_avg_rssi[vfo].index = 0;                                          //
-		rssi = moving_avg_rssi[vfo].sum / moving_avg_rssi[vfo].count;                     // compute the average of the past 'n' samples
-#endif
 
 #ifdef ENABLE_AM_FIX_TEST1
 
@@ -388,7 +382,7 @@ const uint8_t orig_pga       = 6;   //  -3dB
 		{
 			if (--am_gain_hold_counter[vfo] > 0)
 			{
-				gCurrentRSSI[vfo] = rssi - (rssi_db_gain_diff[vfo] * 2);
+				gCurrentRSSI[vfo] = (int16_t)rssi[vfo].level - (rssi_db_gain_diff[vfo] * 2);
 				return;
 			}
 		}
@@ -399,7 +393,7 @@ const uint8_t orig_pga       = 6;   //  -3dB
 
 		// automatically choose a front end gain setting by monitoring the RSSI
 
-		if (rssi > desired_rssi)
+		if (rssi[vfo].level > desired_rssi)
 		{	// decrease gain
 
 			if (am_fix_gain_table_index[vfo] > 1)
@@ -413,14 +407,14 @@ const uint8_t orig_pga       = 6;   //  -3dB
 
 		if (am_gain_hold_counter[vfo] == 0)
 			// hold has been released, we're free to increase gain
-			if (rssi < (desired_rssi - 10))      // 5dB hysterisis (helps reduce gain hunting)
+			if (rssi[vfo].level < (desired_rssi - 10))      // 5dB hysterisis (helps reduce gain hunting)
 				// increase gain
 				if (am_fix_gain_table_index[vfo] < (ARRAY_SIZE(am_fix_gain_table) - 1))
 					am_fix_gain_table_index[vfo]++;
 
 		if (am_fix_gain_table_index[vfo] == am_fix_gain_table_index_prev[vfo])
 		{	// no gain changes have been made
-			gCurrentRSSI[vfo] = rssi - (rssi_db_gain_diff[vfo] * 2);
+			gCurrentRSSI[vfo] = (int16_t)rssi[vfo].level - (rssi_db_gain_diff[vfo] * 2);
 			return;
 		}
 
@@ -442,7 +436,7 @@ const uint8_t orig_pga       = 6;   //  -3dB
 			rssi_db_gain_diff[vfo] = am_dB_gain - orig_dB_gain;
 
 			// shall we or sharn't we ?
-			gCurrentRSSI[vfo] = rssi - (rssi_db_gain_diff[vfo] * 2);
+			gCurrentRSSI[vfo] = (int16_t)rssi[vfo].level - (rssi_db_gain_diff[vfo] * 2);
 		}
 
 		// remember the new table index
@@ -470,7 +464,7 @@ const uint8_t orig_pga       = 6;   //  -3dB
 			// compute the current front end gain
 			const int16_t dB_gain = lna_short_dB[lna_short] + lna_dB[lna] + mixer_dB[mixer] + pga_dB[pga];
 
-			sprintf(s, "idx %2d %4ddB %3u", am_fix_gain_table_index[vfo], dB_gain, BK4819_GetRSSI());
+			sprintf(s, "idx %2d %4ddB %3u", am_fix_gain_table_index[vfo], dB_gain, rssi[vfo].level);
 		}
 
 	#endif

app/action.c

@@ -187,6 +187,9 @@ void ACTION_Scan(bool bRestart)
 					AUDIO_PlaySingleVoice(true);
 				#endif
 
+				// clear the other vfo's rssi level (to hide the antenna symbol)
+				gVFO_RSSI_bar_level[gEeprom.RX_CHANNEL == 0] = 0;
+
 				// let the user see DW is not active
 				gDualWatchActive = false;
 				gUpdateStatus    = true;

app/app.c

@@ -65,6 +65,19 @@
 
 static void APP_ProcessKey(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
 
+static void updateRSSI(const int vfo)
+{
+	int16_t rssi = BK4819_GetRSSI();
+	#ifdef ENABLE_AM_FIX
+		// with compensation
+		if (gEeprom.VfoInfo[vfo].IsAM && gSetting_AM_fix)
+			rssi -= rssi_db_gain_diff[vfo] * 2;
+	#endif
+	gCurrentRSSI[vfo] = rssi;
+
+	UI_UpdateRSSI(rssi, vfo);
+}
+
 static void APP_CheckForIncoming(void)
 {
 	if (!g_SquelchLost)
@@ -415,10 +428,11 @@ void APP_StartListening(FUNCTION_Type_t Function, const bool reset_am_fix)
 	#endif
 
 	#ifdef ENABLE_AM_FIX
-		if (reset_am_fix)
+		if (gEeprom.VfoInfo[gEeprom.RX_CHANNEL].IsAM && reset_am_fix)
 			AM_fix_reset(gEeprom.RX_CHANNEL);      // TODO: only reset it when moving channel/frequency
 	#endif
 
+	// clear the other vfo's rssi level (to hide the antenna symbol)
 	gVFO_RSSI_bar_level[gEeprom.RX_CHANNEL == 0] = 0;
 
 	GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
@@ -1119,8 +1133,8 @@ void APP_Update(void)
 
 			if (gEeprom.DUAL_WATCH != DUAL_WATCH_OFF && gScanState == SCAN_OFF && gCssScanMode == CSS_SCAN_MODE_OFF)
 			{	// dual watch mode, toggle between the two VFO's
-
 				DUALWATCH_Alternate();
+
 				gUpdateRSSI = false;
 			}
 
@@ -1133,15 +1147,7 @@ void APP_Update(void)
 		if (gEeprom.DUAL_WATCH == DUAL_WATCH_OFF || gScanState != SCAN_OFF || gCssScanMode != CSS_SCAN_MODE_OFF || gUpdateRSSI)
 		{	// dual watch mode, go back to sleep
 
-			// sample the RSSI
+			updateRSSI(gEeprom.RX_CHANNEL);
-			gCurrentRSSI[gEeprom.RX_CHANNEL] = BK4819_GetRSSI();
-			#ifdef ENABLE_AM_FIX
-				// with compensation
-				if (gRxVfo->IsAM && gSetting_AM_fix)
-					gCurrentRSSI[gEeprom.RX_CHANNEL] -= rssi_db_gain_diff[gEeprom.RX_CHANNEL]  * 2;
-			#endif
-
-			UI_UpdateRSSI(gCurrentRSSI[gEeprom.RX_CHANNEL], gEeprom.RX_CHANNEL);
 
 			// go back to sleep
 
@@ -1156,8 +1162,7 @@ void APP_Update(void)
 
 		}
 		else
-		{	// no yet in power save mode
+		{
-
 			// toggle between the two VFO's
 			DUALWATCH_Alternate();
 
@@ -1326,7 +1331,7 @@ void APP_TimeSlice10ms(void)
 	#endif
 
 	#ifdef ENABLE_AM_FIX
-		if (gRxVfo->IsAM && gSetting_AM_fix)
+		if (gEeprom.VfoInfo[gEeprom.RX_CHANNEL].IsAM && gSetting_AM_fix)
 			AM_fix_adjust_frontEnd_10ms(gEeprom.RX_CHANNEL);
 	#endif
 
@@ -1659,16 +1664,7 @@ void APP_TimeSlice500ms(void)
 				gUpdateStatus = true;
 
 		if (gCurrentFunction != FUNCTION_POWER_SAVE)
-		{
+			updateRSSI(gEeprom.RX_CHANNEL);
-			gCurrentRSSI[gEeprom.RX_CHANNEL] = (int16_t)BK4819_GetRSSI();
-			#ifdef ENABLE_AM_FIX
-				// with compensation
-				if (gRxVfo->IsAM && gSetting_AM_fix)
-					gCurrentRSSI[gEeprom.RX_CHANNEL] -= rssi_db_gain_diff[gEeprom.RX_CHANNEL] * 2;
-			#endif
-
-			UI_UpdateRSSI(gCurrentRSSI[gEeprom.RX_CHANNEL], gEeprom.RX_CHANNEL);
-		}
 
 		#ifdef ENABLE_FMRADIO
 			if ((gFM_ScanState == FM_SCAN_OFF || gAskToSave) && gCssScanMode == CSS_SCAN_MODE_OFF)
@@ -1759,7 +1755,7 @@ void APP_TimeSlice500ms(void)
 	{
 		gLowBatteryBlink = ++gLowBatteryCountdown & 1;
 
-		UI_DisplayBattery(gLowBatteryCountdown);
+		UI_DisplayBattery(0, gLowBatteryBlink);
 
 		if (gCurrentFunction != FUNCTION_TRANSMIT)
 		{	// not transmitting
@@ -1808,7 +1804,10 @@ void APP_TimeSlice500ms(void)
 
 	if (gScreenToDisplay == DISPLAY_SCANNER && gScannerEditState == 0 && gScanCssState < SCAN_CSS_STATE_FOUND)
 	{
-		if (++gScanProgressIndicator > 32)
+		gScanProgressIndicator++;
+		
+		#ifndef ENABLE_NO_SCAN_TIMEOUT
+			if (gScanProgressIndicator > 32)
 			{
 				if (gScanCssState == SCAN_CSS_STATE_SCANNING && !gScanSingleFrequency)
 					gScanCssState = SCAN_CSS_STATE_FOUND;
@@ -1817,6 +1816,7 @@ void APP_TimeSlice500ms(void)
 	
 				gUpdateStatus = true;
 			}
+		#endif
 		
 		gUpdateDisplay = true;
 	}

bitmaps.c

@@ -29,6 +29,12 @@ const uint8_t BITMAP_PowerSave[8] =
 	#endif
 };
 
+const uint8_t BITMAP_BatteryLevel[2] =
+{
+	0b01011101,
+	0b01011101
+};
+
 #ifndef ENABLE_REVERSE_BAT_SYMBOL
 	// Quansheng way (+ pole to the left)
 	const uint8_t BITMAP_BatteryLevel1[17] =
@@ -51,90 +57,6 @@ const uint8_t BITMAP_PowerSave[8] =
 		0b01000001,
 		0b01111111
 	};
-	
-	const uint8_t BITMAP_BatteryLevel2[17] =
-	{
-		0b00000000,
-		0b00111110,
-		0b00100010,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01111111
-	};
-	
-	const uint8_t BITMAP_BatteryLevel3[17] =
-	{
-		0b00000000,
-		0b00111110,
-		0b00100010,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01111111
-	};
-	
-	const uint8_t BITMAP_BatteryLevel4[17] =
-	{
-		0b00000000,
-		0b00111110,
-		0b00100010,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01111111
-	};
-	
-	const uint8_t BITMAP_BatteryLevel5[17] =
-	{
-		0b00000000,
-		0b00111110,
-		0b00100010,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01111111
-	};
 #else
 	// reversed (+ pole to the right)
 	const uint8_t BITMAP_BatteryLevel1[17] =
@@ -157,90 +79,6 @@ const uint8_t BITMAP_PowerSave[8] =
 		0b00100010,
 		0b00111110
 	};
-	
-	const uint8_t BITMAP_BatteryLevel2[17] =
-	{
-		0b00000000,
-		0b01111111,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b00100010,
-		0b00111110
-	};
-	
-	const uint8_t BITMAP_BatteryLevel3[17] =
-	{
-		0b00000000,
-		0b01111111,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b00100010,
-		0b00111110
-	};
-	
-	const uint8_t BITMAP_BatteryLevel4[17] =
-	{
-		0b00000000,
-		0b01111111,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b01000001,
-		0b00100010,
-		0b00111110
-	};
-	
-	const uint8_t BITMAP_BatteryLevel5[17] =
-	{
-		0b00000000,
-		0b01111111,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b01011101,
-		0b01011101,
-		0b01000001,
-		0b00100010,
-		0b00111110
-	};
 #endif
 
 const uint8_t BITMAP_USB_C[9] =

bitmaps.h

@@ -6,6 +6,7 @@
 
 extern const uint8_t BITMAP_PowerSave[8];
 
+extern const uint8_t BITMAP_BatteryLevel[2];
 extern const uint8_t BITMAP_BatteryLevel1[17];
 extern const uint8_t BITMAP_BatteryLevel2[17];
 extern const uint8_t BITMAP_BatteryLevel3[17];

driver/bk4819.c

@@ -574,7 +574,8 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
 			BK4819_WriteRegister(BK4819_REG_43,
 				(0u << 15) |     // 0
 				(3u << 12) |     // 3 RF filter bandwidth
-				(0u <<  9) |     // 0 RF filter bandwidth when signal is weak
+//				(0u <<  9) |     // 0 RF filter bandwidth when signal is weak
+				(1u <<  9) |     // 0 RF filter bandwidth when signal is weak
 				(0u <<  6) |     // 0 AFTxLPF2 filter Band Width
 				(2u <<  4) |     // 2 BW Mode Selection
 				(1u <<  3) |     // 1
@@ -602,7 +603,8 @@ void BK4819_SetFilterBandwidth(const BK4819_FilterBandwidth_t Bandwidth, const b
 			BK4819_WriteRegister(BK4819_REG_43, // 0x4048);        // 0 100 000 001 00 1 0 00
 				(0u << 15) |     // 0
 				(3u << 12) |     // 4 RF filter bandwidth
-				(0u <<  9) |     // 0 RF filter bandwidth when signal is weak
+//				(0u <<  9) |     // 0 RF filter bandwidth when signal is weak
+				(1u <<  9) |     // 0 RF filter bandwidth when signal is weak
 				(1u <<  6) |     // 1 AFTxLPF2 filter Band Width
 				(0u <<  4) |     // 0 BW Mode Selection
 				(1u <<  3) |     // 1

helper/battery.c

@@ -36,28 +36,43 @@ volatile uint16_t gPowerSave_10ms;
 
 void BATTERY_GetReadings(bool bDisplayBatteryLevel)
 {
-	uint8_t  PreviousBatteryLevel = gBatteryDisplayLevel;
+	const uint8_t  PreviousBatteryLevel = gBatteryDisplayLevel;
-	uint16_t Voltage              = (gBatteryVoltages[0] + gBatteryVoltages[1] + gBatteryVoltages[2] + gBatteryVoltages[3]) / 4;
+	const uint16_t Voltage              = (gBatteryVoltages[0] + gBatteryVoltages[1] + gBatteryVoltages[2] + gBatteryVoltages[3]) / 4;
 
-	if (gBatteryCalibration[5] < Voltage)
+	gBatteryDisplayLevel = 0;
+
+	if (Voltage >= gBatteryCalibration[5])
+		gBatteryDisplayLevel = 11;
+	else
+	if (Voltage >= ((gBatteryCalibration[4] + gBatteryCalibration[5]) / 2))
+		gBatteryDisplayLevel = 10;
+	else
+	if (Voltage >= gBatteryCalibration[4])
+		gBatteryDisplayLevel = 9;
+	else
+	if (Voltage >= ((gBatteryCalibration[3] + gBatteryCalibration[4]) / 2))
+		gBatteryDisplayLevel = 8;
+	else
+	if (Voltage >= gBatteryCalibration[3])
+		gBatteryDisplayLevel = 7;
+	else
+	if (Voltage >= ((gBatteryCalibration[2] + gBatteryCalibration[3]) / 2))
 		gBatteryDisplayLevel = 6;
 	else
-	if (gBatteryCalibration[4] < Voltage)
+	if (Voltage >= gBatteryCalibration[2])
 		gBatteryDisplayLevel = 5;
 	else
-	if (gBatteryCalibration[3] < Voltage)
+	if (Voltage >= ((gBatteryCalibration[1] + gBatteryCalibration[2]) / 2))
 		gBatteryDisplayLevel = 4;
 	else
-	if (gBatteryCalibration[2] < Voltage)
+	if (Voltage >= gBatteryCalibration[1])
 		gBatteryDisplayLevel = 3;
 	else
-	if (gBatteryCalibration[1] < Voltage)
+	if (Voltage >= ((gBatteryCalibration[0] + gBatteryCalibration[1]) / 2))
 		gBatteryDisplayLevel = 2;
 	else
-	if (gBatteryCalibration[0] < Voltage)
+	if (Voltage >= gBatteryCalibration[0])
 		gBatteryDisplayLevel = 1;
-	else
-		gBatteryDisplayLevel = 0;
 
 	gBatteryVoltageAverage = (Voltage * 760) / gBatteryCalibration[3];
 
@@ -71,6 +86,7 @@ void BATTERY_GetReadings(bool bDisplayBatteryLevel)
 			gUpdateStatus  = true;
 			gUpdateDisplay = true;
 		}
+
 		gChargingWithTypeC = false;
 	}
 	else
@@ -81,6 +97,7 @@ void BATTERY_GetReadings(bool bDisplayBatteryLevel)
 			gUpdateDisplay = true;
 			BACKLIGHT_TurnOn();
 		}
+
 		gChargingWithTypeC = true;
 	}
 
@@ -93,9 +110,11 @@ void BATTERY_GetReadings(bool bDisplayBatteryLevel)
 		else
 		{
 			gLowBattery = false;
+
 			if (bDisplayBatteryLevel)
-				UI_DisplayBattery(gBatteryDisplayLevel);
+				UI_DisplayBattery(gBatteryDisplayLevel, gLowBatteryBlink);
 		}
+
 		gLowBatteryCountdown = 0;
 	}
 }

misc.c

@@ -52,9 +52,8 @@ const uint16_t    battery_save_count_10ms          = 10000 / 10;   // 10 seconds
 const uint16_t    power_save1_10ms                 =   100 / 10;   // 100ms
 const uint16_t    power_save2_10ms                 =   200 / 10;   // 200ms
 
-const uint16_t    gMax_bat_v                       = 843;          // 8.43V
+const uint16_t    gMax_bat_v                       = 840;          // 8.4V
 const uint16_t    gMin_bat_v                       = 660;          // 6.6V
-//const uint16_t    gMin_bat_v                       = 690;          // 6.9V
 
 const uint32_t    gDefaultAesKey[4]                = {0x4AA5CC60, 0x0312CC5F, 0xFFD2DABB, 0x6BBA7F92};
 

radio.c

@@ -972,7 +972,8 @@ void RADIO_PrepareTX(void)
 			if (gBatteryDisplayLevel == 0)
 				State = VFO_STATE_BAT_LOW;
 			else
-			if (gBatteryDisplayLevel >= 6)
+//			if (gBatteryDisplayLevel >= 6)
+			if (gBatteryDisplayLevel >= 11)
 				State = VFO_STATE_VOLTAGE_HIGH;
 			else
 				goto Skip;

ui/battery.c

@@ -15,28 +15,73 @@
  */
 
 #include <stddef.h>
+#include <string.h>
+
 #include "bitmaps.h"
 #include "driver/st7565.h"
 #include "functions.h"
 #include "ui/battery.h"
 
-void UI_DisplayBattery(uint8_t Level)
+void UI_DisplayBattery(const uint8_t level, const uint8_t blink)
 {
-	if (gCurrentFunction != FUNCTION_TRANSMIT)
+//	if (gCurrentFunction != FUNCTION_TRANSMIT)
 	{
-		const unsigned int x       = LCD_WIDTH - sizeof(BITMAP_BatteryLevel5);
+		uint8_t bitmap[sizeof(BITMAP_BatteryLevel1)];
-		const uint8_t     *pBitmap = NULL;
+		
-		switch (Level)
+#if 1
+
+		if (level >= 2)
 		{
-			default:
+			memmove(bitmap, BITMAP_BatteryLevel1, sizeof(BITMAP_BatteryLevel1));
-			case 0: break;
+			#ifndef ENABLE_REVERSE_BAT_SYMBOL
-			case 1: pBitmap = BITMAP_BatteryLevel1; break;
+				uint8_t *pb = bitmap + sizeof(BITMAP_BatteryLevel1);
-			case 2: pBitmap = BITMAP_BatteryLevel2; break;
+				if (level >= 2)
-			case 3: pBitmap = BITMAP_BatteryLevel3; break;
+					memmove(pb -  4, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
-			case 4: pBitmap = BITMAP_BatteryLevel4; break;
+				if (level >= 5)
-			case 5: pBitmap = BITMAP_BatteryLevel5; break;
+					memmove(pb -  7, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				if (level >= 7)
+					memmove(pb - 10, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				if (level >= 9)
+					memmove(pb - 13, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			#else
+				if (level >= 2)
+					memmove(bitmap +  3, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				if (level >= 5)
+					memmove(bitmap +  6, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				if (level >= 7)
+					memmove(bitmap +  9, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+				if (level >= 9)
+					memmove(bitmap + 12, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			#endif
 		}
+		else
+		if (blink == 1)
+			memmove(bitmap, BITMAP_BatteryLevel1, sizeof(BITMAP_BatteryLevel1));
+		else
+			memset(bitmap, 0, sizeof(bitmap));
+
+#else
+
+		if (level > 0)
+		{
+			const uint8_t lev = (level <= 11) ? level : 11;
+
+			memmove(bitmap, BITMAP_BatteryLevel1, sizeof(BITMAP_BatteryLevel1));
+
+			#ifdef ENABLE_REVERSE_BAT_SYMBOL
+				for (uint8_t i = 0; i < lev; i++)
+					bitmap[3 + i] = (i & 1u) ? 0b01011101 : 0b01011101;
+			#else
+				for (uint8_t i = 0; i < lev; i++)
+					bitmap[sizeof(bitmap) - 3 - i] = (i & 1u) ? 0b01011101 : 0b01011101;
+			#endif
+		}
+		else
+			memset(bitmap, 0, sizeof(bitmap));
+		
+#endif
+
 		//              col lne, siz, bm
-		ST7565_DrawLine(x, 0, 18, pBitmap);
+		ST7565_DrawLine(LCD_WIDTH - sizeof(bitmap), 0, sizeof(bitmap), bitmap);
 	}
 }

ui/battery.h

@@ -19,7 +19,7 @@
 
 #include <stdint.h>
 
-void UI_DisplayBattery(uint8_t Level);
+void UI_DisplayBattery(const uint8_t Level, const uint8_t blink);
 
 #endif
 

ui/main.c

@@ -504,8 +504,11 @@ void UI_DisplayMain(void)
 					case FUNCTION_TRANSMIT:
 					case FUNCTION_BAND_SCOPE:
 					case FUNCTION_POWER_SAVE:
+						break;
+						
 					case FUNCTION_FOREGROUND:
 						break;
+
 					case FUNCTION_RECEIVE:
 					case FUNCTION_MONITOR:
 					case FUNCTION_INCOMING:

ui/menu.c

@@ -433,12 +433,6 @@ void UI_DisplayMenu(void)
 			strcpy(String, (gSubMenuSelection == 0) ? "FM" : "AM");
 			break;
 
-		#ifdef ENABLE_AM_FIX
-			case MENU_AM_FIX:
-				strcpy(String, (gSubMenuSelection == 0) ? "OFF" : "YES'ish");
-				break;
-		#endif
-
 		#ifdef ENABLE_AM_FIX_TEST1
 			case MENU_AM_FIX_TEST1:
 				strcpy(String, gSubMenu_AM_fix_test1[gSubMenuSelection]);
@@ -455,6 +449,9 @@ void UI_DisplayMenu(void)
 				break;
 		#endif
 
+		#ifdef ENABLE_AM_FIX
+			case MENU_AM_FIX:
+		#endif
 		case MENU_BCL:
 		case MENU_BEEP:
 		case MENU_S_ADD1:

ui/status.c

@@ -171,6 +171,7 @@ void UI_DisplayStatus(const bool test_display)
 			{
 				const uint16_t voltage = (gBatteryVoltageAverage < gMin_bat_v) ? gMin_bat_v : gBatteryVoltageAverage;
 				const uint16_t percent = (100 * (voltage - gMin_bat_v)) / (gMax_bat_v - gMin_bat_v);
+//				const uint16_t percent = gBatteryDisplayLevel;
 				sprintf(s, "%u%%", percent);
 				space_needed = (7 * strlen(s));
 				if (x2 >= (x1 + space_needed))
@@ -181,7 +182,7 @@ void UI_DisplayStatus(const bool test_display)
 	}
 		
 	// move to right side of the screen
-	x = LCD_WIDTH - sizeof(BITMAP_BatteryLevel5) - sizeof(BITMAP_USB_C);
+	x = LCD_WIDTH - sizeof(BITMAP_BatteryLevel1) - sizeof(BITMAP_USB_C);
 	
 	// USB-C charge indicator
 	if (gChargingWithTypeC || test_display)
@@ -189,20 +190,54 @@ void UI_DisplayStatus(const bool test_display)
 	x += sizeof(BITMAP_USB_C);
 
 	// BATTERY LEVEL indicator
-	if (gBatteryDisplayLevel >= 5 || test_display)
+#if 1
-		memmove(line + x, BITMAP_BatteryLevel5, sizeof(BITMAP_BatteryLevel5));
+	if (gBatteryDisplayLevel >= 2 && !gLowBattery)
-	else
+	{
-	if (gBatteryDisplayLevel >= 4)
+		line += x;
-		memmove(line + x, BITMAP_BatteryLevel4, sizeof(BITMAP_BatteryLevel4));
+		memmove(line, BITMAP_BatteryLevel1, sizeof(BITMAP_BatteryLevel1));
-	else
+		#ifndef ENABLE_REVERSE_BAT_SYMBOL
-	if (gBatteryDisplayLevel >= 3)
+			line += sizeof(BITMAP_BatteryLevel1);
-		memmove(line + x, BITMAP_BatteryLevel3, sizeof(BITMAP_BatteryLevel3));
-	else
 			if (gBatteryDisplayLevel >= 2)
-		memmove(line + x, BITMAP_BatteryLevel2, sizeof(BITMAP_BatteryLevel2));
+				memmove(line -  4, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			if (gBatteryDisplayLevel >= 5)
+				memmove(line -  7, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			if (gBatteryDisplayLevel >= 7)
+				memmove(line - 10, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			if (gBatteryDisplayLevel >= 9)
+				memmove(line - 13, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+		#else
+			if (gBatteryDisplayLevel >= 2)
+				memmove(line +  3, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			if (gBatteryDisplayLevel >= 5)
+				memmove(line +  6, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			if (gBatteryDisplayLevel >= 7)
+				memmove(line +  9, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+			if (gBatteryDisplayLevel >= 9)
+				memmove(line + 12, BITMAP_BatteryLevel, sizeof(BITMAP_BatteryLevel));
+		#endif
+	}
 	else
 	if (gLowBatteryBlink == 1)
 		memmove(line + x, BITMAP_BatteryLevel1, sizeof(BITMAP_BatteryLevel1));
+#else
+//	UI_DisplayBattery(gBatteryDisplayLevel);
+
+	line += x;
+	if (gBatteryDisplayLevel > 0)
+	{
+		const uint8_t level = (gBatteryDisplayLevel <= 11) ? gBatteryDisplayLevel : 11;
+		memmove(line, BITMAP_BatteryLevel1, sizeof(BITMAP_BatteryLevel1));
+		#ifdef ENABLE_REVERSE_BAT_SYMBOL
+			for (uint8_t i = 0; i < level; i++)
+				line[3 + i] = (i & 1u) ? 0b01011101 : 0b01011101;
+		#else
+			for (uint8_t i = 0; i < level; i++)
+				line[sizeof(BITMAP_BatteryLevel1) - 3 - i] = (i & 1u) ? 0b01011101 : 0b01011101;
+		#endif
+	}
+	else
+		memset(line, 0, sizeof(BITMAP_BatteryLevel1));
+#endif
 
 	// **************
 

version.c

@@ -2,7 +2,7 @@
 #ifdef GIT_HASH
 	#define VER     GIT_HASH
 #else
-	#define VER     "230924"
+	#define VER     "230925"
 #endif
 
 const char Version[]      = "OEFW-"VER;

win_make.bat

@@ -1,10 +1,14 @@
 
-:: Cmpile directly in windows without the need of a linux virtual machine:
+@echo off
+
+:: Compile directly in windows without the need of a linux virtual machine:
 :: 
 :: 1. Download and install "gcc-arm-none-eabi-10.3-2021.10-win32.exe" from https://developer.arm.com/downloads/-/gnu-rm
 :: 2. Download and install "gnu_make-3.81.exe" from https://gnuwin32.sourceforge.net/packages/make.htm
+::
 :: 3. You may (or not) need to manualy add gcc path to you OS environment PATH, ie ..
 ::    C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2021.10\bin
+::
 :: 4. You may (or not) need to reboot your PC after installing the above
 :: 
 :: Then you can run this bat from the directory you saved this source code too.
@@ -15,14 +19,24 @@
 :: delete any left over files from any previous compile
 del /S /Q *.o >nul 2>nul
 del /S /Q *.d >nul 2>nul
+del /Q firmware >nul 2>nul
 del /Q *.bin >nul 2>nul
 
-:: do the compile !
+:: You may need to edit/change these three paths to suit your setup
-"C:\Program Files (x86)\GnuWin32\bin\make"
+::
+@set PATH="C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2021.10\bin";%PATH%
+@set PATH="C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2021.10\arm-none-eabi\bin";%PATH%
+@set PATH="C:\Program Files (x86)\GnuWin32\bin\";%PATH%
+
+:: do the compile
+::"C:\Program Files (x86)\GnuWin32\bin\make"
+make
 
 :: delete the unused created when compiling files
+::
 del /S /Q *.o >nul 2>nul
 del /S /Q *.d >nul 2>nul
+del /Q firmware >nul 2>nul
 
 :: If you have python installed, you can create a 'packed' .bin from the compiled firmware.bin file.
 :: The Quansheng windows upload-to-radio program requires a 'packed' .bin file.