Added AIRCOPY_SendMessage.

aircopy.c

@@ -15,9 +15,38 @@
  */
 
 #include "aircopy.h"
+#include "driver/bk4819.h"
+#include "driver/crc.h"
+#include "driver/eeprom.h"
+#include "misc.h"
+#include "radio.h"
+
+static const uint16_t Obfuscation[8] = { 0x6C16, 0xE614, 0x912E, 0x400D, 0x3521, 0x40D5, 0x0313, 0x80E9 };
 
 AIRCOPY_State_t gAircopyState;
 uint16_t gAirCopyBlockNumber;
 uint16_t gErrorsDuringAirCopy;
 uint8_t gAirCopyIsSendMode;
 
+uint16_t g_FSK_Buffer[36];
+
+void AIRCOPY_SendMessage(void)
+{
+	uint8_t i;
+
+	g_FSK_Buffer[1] = (gAirCopyBlockNumber & 0x3FF) << 6;
+	EEPROM_ReadBuffer(g_FSK_Buffer[1], &g_FSK_Buffer[2], 64);
+	g_FSK_Buffer[34] = CRC_Calculate(&g_FSK_Buffer[1], 2 + 64);
+	for (i = 0; i < 34; i++) {
+		g_FSK_Buffer[i + 1] ^= Obfuscation[i % 8];
+	}
+	if (++gAirCopyBlockNumber >= 0x78) {
+		gAircopyState = AIRCOPY_COMPLETE;
+	}
+	RADIO_PrepareTransmit();
+	BK4819_SendFSKData(g_FSK_Buffer);
+	BK4819_SetupPowerAmplifier(0, 0);
+	BK4819_ToggleGpioOut(BK4819_GPIO5_PIN1, false);
+	gAircopySendCountdown = 0x1e;
+}
+

aircopy.h

@@ -22,7 +22,7 @@
 enum AIRCOPY_State_t {
 	AIRCOPY_READY		= 0U,
 	AIRCOPY_TRANSFER	= 1U,
-	AIRCOPY_CMP		= 2U,
+	AIRCOPY_COMPLETE	= 2U,
 };
 
 typedef enum AIRCOPY_State_t AIRCOPY_State_t;
@@ -32,5 +32,9 @@ extern uint16_t gAirCopyBlockNumber;
 extern uint16_t gErrorsDuringAirCopy;
 extern uint8_t gAirCopyIsSendMode;
 
+extern uint16_t g_FSK_Buffer[36];
+
+void AIRCOPY_SendMessage(void);
+
 #endif
 

app.c

@@ -1178,7 +1178,7 @@ void APP_TimeSlice10ms(void)
 		if (gAircopySendCountdown != 0) {
 			gAircopySendCountdown--;
 			if (gAircopySendCountdown == 0) {
-				//FSK_SendMessage();
+				AIRCOPY_SendMessage();
 				GUI_DisplayScreen();
 			}
 		}

driver/bk4819.c

@@ -819,3 +819,37 @@ uint8_t BK4819_GetCTCSSPhaseShift(void)
         return (BK4819_GetRegister(BK4819_REG_0C) >> 14) & 3;
 }
 
+void BK4819_SendFSKData(uint16_t *pData)
+{
+	uint8_t i;
+	uint8_t Timeout;
+
+	Timeout = 200;
+
+	SYSTEM_DelayMs(20);
+
+	BK4819_WriteRegister(BK4819_REG_3F, BK4819_REG_3F_FSK_TX_FINISHED);
+	BK4819_WriteRegister(BK4819_REG_59, 0x8068);
+	BK4819_WriteRegister(BK4819_REG_59, 0x0068);
+
+	for (i = 0; i < 36; i++) {
+		BK4819_WriteRegister(BK4819_REG_5F, pData[i]);
+	}
+
+	SYSTEM_DelayMs(20);
+
+	BK4819_WriteRegister(BK4819_REG_59,0x2868);
+
+	while (Timeout) {
+		if (BK4819_GetRegister(BK4819_REG_0C) & 1U) {
+			break;
+		}
+		SYSTEM_DelayMs(5);
+		Timeout--;
+	}
+
+	BK4819_WriteRegister(BK4819_REG_02, 0);
+	SYSTEM_DelayMs(20);
+	BK4819_ResetFSK();
+}
+

driver/bk4819.h

@@ -125,5 +125,7 @@ uint8_t BK4819_GetDTMF_5TONE_Code(void);
 uint8_t BK4819_CheckCDCSSCodeReceived(void);
 uint8_t BK4819_GetCTCSSPhaseShift(void);
 
+void BK4819_SendFSKData(uint16_t *pData);
+
 #endif