Fixed no SD card connected error

tracker/software/board/board.h

@@ -303,6 +303,7 @@
 
 // Misc
 #define LINE_TCXO_EN                PAL_LINE(GPIOC, 13U)
+#define LINE_SD_DET                 PAL_LINE(GPIOC, 8U)
 
 // Hardware dependent settings
 

tracker/software/drivers/sd.c

@@ -9,19 +9,26 @@ bool sdInitialized = false;
 
 bool initSD(void)
 {
-	TRACE_INFO("SD   > Initialize SD card");
-
 	// Setup pins
 	palSetLineMode(LINE_SPI_SCK, PAL_MODE_ALTERNATE(6) | PAL_STM32_OSPEED_HIGHEST);		// SCK
 	palSetLineMode(LINE_SPI_MISO, PAL_MODE_ALTERNATE(6) | PAL_STM32_OSPEED_HIGHEST);	// MISO
 	palSetLineMode(LINE_SPI_MOSI, PAL_MODE_ALTERNATE(6) | PAL_STM32_OSPEED_HIGHEST);	// MOSI
 	palSetLineMode(LINE_SD_CS, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);	// SD CS
+	palSetLineMode(LINE_SD_DET, PAL_MODE_INPUT_PULLUP | PAL_STM32_OSPEED_HIGHEST);	    // SD DET
 	palSetLineMode(LINE_RADIO_CS, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);	// RADIO CS
 
 	// Pull CS of all SPI slaves high
 	palSetLine(LINE_SD_CS);
 	palSetLine(LINE_RADIO_CS);
 
+	if(palReadLine(LINE_SD_DET)) {
+		TRACE_INFO("SD   > No SD card inserted");
+		sdInitialized = false;
+		return false;
+	}
+
+	TRACE_INFO("SD   > Initialize SD card");
+
 	// Maximum speed SPI configuration
 	static SPIConfig hs_spicfg = {
 		.ssport	= PAL_PORT(LINE_SD_CS),
@@ -48,9 +55,9 @@ bool initSD(void)
 
 	TRACE_DEBUG("SD   > Connect");
 	if(mmcConnect(&MMCD1)) {
-		TRACE_WARN("SD   > No SD card found");
+		TRACE_ERROR("SD   > SD card connection error");
 	} else {
-		TRACE_INFO("SD   > SD card found");
+		TRACE_INFO("SD   > SD card connection OK");
 		sdInitialized = true;
 	}
 	spiReleaseBus(&SPID3);

tracker/software/threads/image.c

@@ -579,6 +579,7 @@ THD_FUNCTION(imgThread, arg)
 			if(size_sampled) {
 
 				// Write picture to SD card
+				TRACE_INFO("IMG  > Save image to SD card");
 				if(initSD())
 				{
 					char filename[32];