Added remember aircopy frequency

Makefile

@@ -10,6 +10,7 @@ ENABLE_LTO                    := 1
 ENABLE_UART                   := 1
 ENABLE_UART_DEBUG             := 1
 ENABLE_AIRCOPY                := 1
+ENABLE_AIRCOPY_FREQ           := 1
 ENABLE_FMRADIO                := 1
 ENABLE_NOAA                   := 0
 ENABLE_VOICE                  := 0
@@ -241,6 +242,9 @@ endif
 ifeq ($(ENABLE_AIRCOPY),1)
 	CFLAGS += -DENABLE_AIRCOPY
 endif
+ifeq ($(ENABLE_AIRCOPY_FREQ),1)
+	CFLAGS += -DENABLE_AIRCOPY_FREQ
+endif
 ifeq ($(ENABLE_FMRADIO),1)
 	CFLAGS += -DENABLE_FMRADIO
 endif

README.md

@@ -41,6 +41,7 @@ ENABLE_LTO                    := 0     **experimental, reduces size of compiled
 ENABLE_UART                   := 1       without this you can't configure radio via PC
 ENABLE_UART_DEBUG             := 0       just for code debugging, it sends debug info along the USB serial connection (programming lead)
 ENABLE_AIRCOPY                := 1       clone radio-to-radio via RF
+ENABLE_AIRCOPY_FREQ           := 1       remember what you use for the aircopy frequency
 ENABLE_FMRADIO                := 1       WBFM VHF broadcast band receiver
 ENABLE_NOAA                   := 1       everything NOAA (only of any use in the USA)
 ENABLE_VOICE                  := 0       want to hear voices ?

app/aircopy.c

@@ -22,6 +22,7 @@
 #include "frequencies.h"
 #include "misc.h"
 #include "radio.h"
+#include "settings.h"
 #include "ui/helper.h"
 #include "ui/inputbox.h"
 #include "ui/ui.h"
@@ -30,9 +31,7 @@ static const uint16_t Obfuscation[8] = {0x6C16, 0xE614, 0x912E, 0x400D, 0x3521,
 
 aircopy_state_t g_aircopy_state;
 uint16_t        g_air_copy_block_number;
-uint16_t        g_errors_during_air_copyy;
+uint16_t        g_errors_during_air_copy;
-uint8_t         g_air_copy_is_send_mode;
-
 uint16_t        g_fsk_buffer[36];
 
 void AIRCOPY_SendMessage(void)
@@ -49,7 +48,10 @@ void AIRCOPY_SendMessage(void)
 		g_fsk_buffer[i + 1] ^= Obfuscation[i % 8];
 
 	if (++g_air_copy_block_number >= 0x78)
+	{
 		g_aircopy_state  = AIRCOPY_COMPLETE;
+		g_update_display = true;
+	}
 
 	RADIO_SetTxParameters();
 
@@ -101,7 +103,10 @@ void AIRCOPY_StorePacket(void)
 				}
 
 				if (Offset == 0x1E00)
+				{
 					g_aircopy_state  = AIRCOPY_COMPLETE;
+					g_update_display = true;
+				}
 
 				g_air_copy_block_number++;
 
@@ -110,7 +115,7 @@ void AIRCOPY_StorePacket(void)
 		}
 	}
 
-	g_errors_during_air_copyy++;
+	g_errors_during_air_copy++;
 }
 
 static void AIRCOPY_Key_DIGITS(key_code_t Key, bool key_pressed, bool key_held)
@@ -143,16 +148,27 @@ static void AIRCOPY_Key_DIGITS(key_code_t Key, bool key_pressed, bool key_held)
 				#ifdef ENABLE_VOICE
 					g_another_voice_id = (voice_id_t)Key;
 				#endif
+
 				g_rx_vfo->band = i;
-				Frequency                         += 75;
+
-				Frequency                          = FREQUENCY_FloorToStep(Frequency, g_rx_vfo->step_freq, 0);
+				// round the frequency to nearest step size
+				Frequency = ((Frequency + (g_rx_vfo->step_freq / 2)) / g_rx_vfo->step_freq) * g_rx_vfo->step_freq;
+
+				g_air_copy_freq = Frequency;
+				#ifdef ENABLE_AIRCOPY_FREQ
+					SETTINGS_SaveSettings();   // remeber the frequency for the next time
+				#endif
+
 				g_rx_vfo->freq_config_rx.frequency = Frequency;
 				g_rx_vfo->freq_config_tx.frequency = Frequency;
 				RADIO_ConfigureSquelchAndOutputPower(g_rx_vfo);
+
 				g_current_vfo = g_rx_vfo;
+
 				RADIO_SetupRegisters(true);
 				BK4819_SetupAircopy();
 				BK4819_ResetFSK();
+
 				return;
 			}
 		}
@@ -165,20 +181,24 @@ static void AIRCOPY_Key_EXIT(bool key_pressed, bool key_held)
 {
 	if (!key_held && key_pressed)
 	{
-		if (g_input_box_index == 0)
+		if (g_input_box_index > 0)
-		{
+		{	// entering a new frequency to use
-			g_fsk_wite_index          = 0;
+			g_input_box[--g_input_box_index] = 10;
-			g_air_copy_block_number   = 0;
-			g_errors_during_air_copyy = 0;
-			g_input_box_index         = 0;
-			g_air_copy_is_send_mode   = 0;
-
-			BK4819_PrepareFSKReceive();
-
-			g_aircopy_state = AIRCOPY_TRANSFER;
 		}
 		else
-			g_input_box[--g_input_box_index] = 10;
+		{	// enter RX mode
+
+			g_aircopy_state          = AIRCOPY_RX;
+			g_update_display         = true;
+			GUI_DisplayScreen();
+
+			g_fsk_wite_index         = 0;
+			g_air_copy_block_number  = 0;
+			g_errors_during_air_copy = 0;
+			g_input_box_index        = 0;
+
+			BK4819_PrepareFSKReceive();
+		}
 
 		g_request_display_screen = DISPLAY_AIRCOPY;
 	}
@@ -187,20 +207,20 @@ static void AIRCOPY_Key_EXIT(bool key_pressed, bool key_held)
 static void AIRCOPY_Key_MENU(bool key_pressed, bool key_held)
 {
 	if (!key_held && key_pressed)
-	{
+	{	// enter TX mode
+
+		g_aircopy_state         = AIRCOPY_TX;
+		g_update_display        = true;
+		GUI_DisplayScreen();
+
 		g_fsk_wite_index        = 0;
 		g_air_copy_block_number = 0;
 		g_input_box_index       = 0;
-		g_air_copy_is_send_mode = 1;
 		g_fsk_buffer[0]         = 0xABCD;
 		g_fsk_buffer[1]         = 0;
 		g_fsk_buffer[35]        = 0xDCBA;
 
 		AIRCOPY_SendMessage();
-
-		GUI_DisplayScreen();
-
-		g_aircopy_state = AIRCOPY_TRANSFER;
 	}
 }
 

app/aircopy.h

@@ -24,16 +24,15 @@
 enum aircopy_state_e
 {
 	AIRCOPY_READY = 0,
-	AIRCOPY_TRANSFER,
+	AIRCOPY_RX,
+	AIRCOPY_TX,
 	AIRCOPY_COMPLETE
 };
 typedef enum aircopy_state_e aircopy_state_t;
 
 extern aircopy_state_t g_aircopy_state;
 extern uint16_t        g_air_copy_block_number;
-extern uint16_t        g_errors_during_air_copyy;
+extern uint16_t        g_errors_during_air_copy;
-extern uint8_t         g_air_copy_is_send_mode;
-
 extern uint16_t        g_fsk_buffer[36];
 
 void AIRCOPY_SendMessage(void);

app/app.c

@@ -928,8 +928,7 @@ void APP_CheckRadioInterrupts(void)
 		#ifdef ENABLE_AIRCOPY
 			if (interrupt_status_bits & BK4819_REG_02_FSK_FIFO_ALMOST_FULL &&
 			    g_screen_to_display == DISPLAY_AIRCOPY &&
-			    g_aircopy_state == AIRCOPY_TRANSFER &&
+			    g_aircopy_state == AIRCOPY_RX)
-			    g_air_copy_is_send_mode == 0)
 			{
 				unsigned int i;
 				for (i = 0; i < 4; i++)
@@ -1833,7 +1832,7 @@ void APP_TimeSlice10ms(void)
 	}
 
 	#ifdef ENABLE_AIRCOPY
-		if (g_screen_to_display == DISPLAY_AIRCOPY && g_aircopy_state == AIRCOPY_TRANSFER && g_air_copy_is_send_mode == 1)
+		if (g_screen_to_display == DISPLAY_AIRCOPY && g_aircopy_state == AIRCOPY_TX)
 		{
 			if (g_air_copy_send_count_down > 0)
 			{

board.c

@@ -610,14 +610,37 @@ void BOARD_EEPROM_load(void)
 		g_eeprom.voice_prompt = (Data[0] < 3) ? Data[0] : VOICE_PROMPT_ENGLISH;
 	#endif
 
-	// 0EA8..0EAF
+	{	// 0EA8..0EAF
-	EEPROM_ReadBuffer(0x0EA8, Data, 8);
+		struct {
+			uint8_t  alarm_mode;
+			uint8_t  roger_mode;
+			uint8_t  repeater_tail_tone_elimination;
+			uint8_t  tx_vfo;
+			uint32_t air_copy_freq;
+		} __attribute__((packed)) array;
+
+		EEPROM_ReadBuffer(0x0EA8, &array, sizeof(array));
+
 		#ifdef ENABLE_ALARM
-		g_eeprom.alarm_mode                 = (Data[0] <  2) ? Data[0] : true;
+			g_eeprom.alarm_mode                 = (array.alarm_mode < 2) ? array.alarm_mode : true;
 		#endif
-	g_eeprom.roger_mode                          = (Data[1] <  3) ? Data[1] : ROGER_MODE_OFF;
+		g_eeprom.roger_mode                     = (array.roger_mode < 3) ? array.roger_mode : ROGER_MODE_OFF;
-	g_eeprom.repeater_tail_tone_elimination = (Data[2] < 11) ? Data[2] : 0;
+		g_eeprom.repeater_tail_tone_elimination = (array.repeater_tail_tone_elimination < 11) ? array.repeater_tail_tone_elimination : 0;
-	g_eeprom.tx_vfo                         = (Data[3] <  2) ? Data[3] : 0;
+		g_eeprom.tx_vfo                         = (array.tx_vfo < 2) ? array.tx_vfo : 0;
+		#ifdef ENABLE_AIRCOPY_FREQ
+		{
+			unsigned int i;
+			for (i = 0; i < ARRAY_SIZE(FREQ_BAND_TABLE); i++)
+			{
+				if (array.air_copy_freq >= FREQ_BAND_TABLE[i].lower && array.air_copy_freq < FREQ_BAND_TABLE[i].upper)
+				{
+					g_air_copy_freq = array.air_copy_freq;
+					break;
+				}
+			}	
+		}
+		#endif
+	}
 	
 	// 0ED0..0ED7
 	EEPROM_ReadBuffer(0x0ED0, Data, 8);
@@ -727,6 +750,8 @@ void BOARD_EEPROM_load(void)
 	// 0D60..0E27
 	EEPROM_ReadBuffer(0x0D60, g_user_channel_attributes, sizeof(g_user_channel_attributes));
 
+	// *****************************
+	
 	// 0F30..0F3F .. AES key
 	EEPROM_ReadBuffer(0x0F30, g_custom_aes_key, sizeof(g_custom_aes_key));
 	g_has_custom_aes_key = false;
@@ -740,6 +765,7 @@ void BOARD_EEPROM_load(void)
 	}
 	
 #if ENABLE_RESET_AES_KEY
+	// a fix to wipe the darned AES key
 	if (g_has_custom_aes_key)
 	{	// ugh :( .. wipe it
 		uint8_t *p_aes = (uint8_t*)&g_custom_aes_key;

frequencies.c

@@ -19,7 +19,7 @@
 #include "settings.h"
 
 // the initial AIRCOPY frequency to use
-const uint32_t g_air_copy_freq = 41002500;
+uint32_t g_air_copy_freq = 41002500;
 
 // the BK4819 has 2 bands it covers, 18MHz ~ 630MHz and 760MHz ~ 1300MHz
 const freq_band_table_t BX4819_band1 = { 1800000,  63000000};

frequencies.h

@@ -26,7 +26,7 @@ typedef struct {
 	const uint32_t upper;
 } freq_band_table_t;
 
-extern const uint32_t g_air_copy_freq;
+extern uint32_t g_air_copy_freq;
 
 extern const freq_band_table_t BX4819_band1;
 extern const freq_band_table_t BX4819_band2;

settings.c

@@ -73,7 +73,10 @@ void SETTINGS_SaveVfoIndices(void)
 	EEPROM_WriteBuffer(0x0E80, State);
 }
 
+// *************************************************
+
 #if 0
+
 const uint8_t calib1[] =
 {	// my first radios calibration data
 	0x0A, 0x4B, 0x53, 0x56, 0x59, 0x5C, 0x5F, 0x62, 0x64, 0x66, 0xFF, 0xFF,
@@ -180,8 +183,11 @@ void SETTINGS_restore_calibration(void)
 		index += 8;
 	}
 }
+
 #endif
 
+// *************************************************
+
 void SETTINGS_SaveSettings(void)
 {
 	uint8_t State[8];
@@ -246,15 +252,34 @@ void SETTINGS_SaveSettings(void)
 		EEPROM_WriteBuffer(0x0EA0, State);
 	#endif
 
+	// *****************************
+
+	{
+		struct {
+			uint8_t  alarm_mode;
+			uint8_t  roger_mode;
+			uint8_t  repeater_tail_tone_elimination;
+			uint8_t  tx_vfo;
+			uint32_t air_copy_freq;
+		} __attribute__((packed)) array;
+
+		memset(&array, 0xff, sizeof(array));
+
 		#if defined(ENABLE_ALARM) || defined(ENABLE_TX1750)
-		State[0] = g_eeprom.alarm_mode;
+			array.alarm_mode                 = g_eeprom.alarm_mode;
 		#else
-		State[0] = false;
+			array.alarm_mode                 = false;
 		#endif
-	State[1] = g_eeprom.roger_mode;
+		array.roger_mode                     = g_eeprom.roger_mode;
-	State[2] = g_eeprom.repeater_tail_tone_elimination;
+		array.repeater_tail_tone_elimination = g_eeprom.repeater_tail_tone_elimination;
-	State[3] = g_eeprom.tx_vfo;
+		array.tx_vfo                         = g_eeprom.tx_vfo;
-	EEPROM_WriteBuffer(0x0EA8, State);
+		#ifdef ENABLE_AIRCOPY_FREQ
+			// remember the AIRCOPY frequency
+			array.air_copy_freq              = g_air_copy_freq;
+		#endif
+
+		EEPROM_WriteBuffer(0x0EA8, &array);
+	}
 
 	State[0] = g_eeprom.dtmf_side_tone;
 	State[1] = g_eeprom.dtmf_separate_code;

ui/aircopy.c

@@ -31,13 +31,15 @@ void UI_DisplayAircopy(void)
 
 	memset(g_frame_buffer, 0, sizeof(g_frame_buffer));
 
-	if (g_aircopy_state == AIRCOPY_READY)
-		strcpy(String, "AIR COPY (RDY)");
-	else
-	if (g_aircopy_state == AIRCOPY_TRANSFER)
 	strcpy(String, "AIR COPY");
-	else
+	switch (g_aircopy_state)
-		strcpy(String, "AIR COPY (CMP)");
+	{
+		case AIRCOPY_READY:    strcat(String, " READY"); break;
+		case AIRCOPY_RX:       strcat(String, " RX");    break;
+		case AIRCOPY_TX:       strcat(String, " TX");    break;
+		case AIRCOPY_COMPLETE: strcat(String, " DONE");  break;
+		default:               strcat(String, " ???");   break;
+	}
 	UI_PrintString(String, 2, 127, 0, 8);
 
 	if (g_input_box_index == 0)
@@ -50,14 +52,22 @@ void UI_DisplayAircopy(void)
 		UI_DisplayFrequency(g_input_box, 16, 2, 1, 0);
 
 	memset(String, 0, sizeof(String));
-	if (g_air_copy_is_send_mode == 0)
+	if (g_aircopy_state == AIRCOPY_RX)
-		sprintf(String, "RCV %u  E %u", g_air_copy_block_number, g_errors_during_air_copyy);
+		sprintf(String, "RCV %u  E %u", g_air_copy_block_number, g_errors_during_air_copy);
 	else
-	if (g_air_copy_is_send_mode == 1)
+	if (g_aircopy_state == AIRCOPY_TX)
 		sprintf(String, "SND %u", g_air_copy_block_number);
 	UI_PrintString(String, 2, 127, 4, 8);
 
-	UI_PrintStringSmall("EXIT rx    M tx", 0, 127, 6);
+	switch (g_aircopy_state)
+	{
+		case AIRCOPY_READY:    strcpy(String, "EXIT rx    M tx"); break;
+		case AIRCOPY_RX:       strcpy(String, "receive mode");    break;
+		case AIRCOPY_TX:       strcpy(String, "transmit mode");   break;
+		case AIRCOPY_COMPLETE: strcpy(String, "finished");        break;
+		default:               strcpy(String, "???");             break;
+	}
+	UI_PrintStringSmall(String, 0, 127, 6);
 
 	ST7565_BlitFullScreen();
 }