boards: px4_fmu-v5 print RCC reset flags on boot

boards/px4/fmu-v5/src/init.c

@@ -163,20 +163,31 @@ stm32_boardinitialize(void)
 {
 	board_on_reset(-1); /* Reset PWM first thing */
 
-	/* configure LEDs */
 
+	const uint32_t RCC_CSR = getreg32(STM32_RCC_CSR);
+
+	syslog(LOG_INFO, "[boot] Reset Flags: LSION:%d LSIRDY:%d BOR:%d PIN:%d POR/PDR:%d SFT:%d IWDG:%d WWDG:%d LPWR:%d \n",
+	       (RCC_CSR & RCC_CSR_LSION) != 0,
+	       (RCC_CSR & RCC_CSR_LSIRDY) != 0,
+	       (RCC_CSR & RCC_CSR_BORRSTF) != 0,
+	       (RCC_CSR & RCC_CSR_PINRSTF) != 0,
+	       (RCC_CSR & RCC_CSR_PORRSTF) != 0,
+	       (RCC_CSR & RCC_CSR_SFTRSTF) != 0,
+	       (RCC_CSR & RCC_CSR_IWDGRSTF) != 0,
+	       (RCC_CSR & RCC_CSR_WWDGRSTF) != 0,
+	       (RCC_CSR & RCC_CSR_LPWRRSTF) != 0
+	      );
+
+	/* configure LEDs */
 	board_autoled_initialize();
 
 	/* configure pins */
-
 	const uint32_t gpio[] = PX4_GPIO_INIT_LIST;
 	px4_gpio_init(gpio, arraySize(gpio));
 	board_control_spi_sensors_power_configgpio();
 
 	/* configure USB interfaces */
-
 	stm32_usbinitialize();
-
 }
 
 /****************************************************************************

src/systemcmds/hardfault_log/hardfault_log.c

@@ -62,61 +62,25 @@
 
 #include "chip.h"
 
-
-/****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
-__EXPORT int hardfault_log_main(int argc, char *argv[]);
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
 #define OUT_BUFFER_LEN  200
 
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
-static int genfault(int fault);
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-/****************************************************************************
- * genfault
- ****************************************************************************/
-
 static int genfault(int fault)
 {
-
 	/* Pointer to System Control Block's  System Control Register */
-
 	uint32_t *pCCR = (uint32_t *)0xE000ED14;
 
 	static volatile int k = 0;
 
 	switch (fault) {
 	case 0:
-
 		/* Enable divide by 0 fault generation */
-
 		*pCCR |= 0x10;
 
-		k =  1 / fault;
+		k = 1 / fault;
 
 		/* This is not going to happen
 		 * Disable divide by 0 fault generation
 		 */
-
 		*pCCR &= ~0x10;
 		break;
 
@@ -141,7 +105,7 @@ bool verify_ram_address(uint32_t bot, uint32_t size)
 {
 	bool ret = true;
 #if defined STM32_IS_SRAM
-	ret =  STM32_IS_SRAM(bot) && STM32_IS_SRAM(bot +  size);
+	ret = STM32_IS_SRAM(bot) && STM32_IS_SRAM(bot + size);
 #endif
 	return ret;
 }
@@ -182,7 +146,6 @@ static int format_fault_file_name(struct timespec *ts, char *buffer, unsigned in
 	int ret = -EINVAL;
 
 	if (buffer) {
-
 		ret = -ENOMEM;
 		unsigned int plen = LOG_PATH_BASE_LEN;
 
@@ -214,7 +177,6 @@ static void identify(const char *caller)
 	}
 }
 
-
 /****************************************************************************
  * hardfault_get_desc
  ****************************************************************************/
@@ -1220,9 +1182,6 @@ static void print_usage(void)
 	PRINT_MODULE_USAGE_COMMAND_DESCR("reset", "Reset the reboot counter");
 }
 
-/****************************************************************************
- * Name: hardfault_log_main
- ****************************************************************************/
 __EXPORT int hardfault_log_main(int argc, char *argv[])
 {
 	char *self = "hardfault_log";