fix: improve boot fault visibility and defer watchdog start

Core/Inc/FreeRTOSConfig.h

@@ -44,6 +44,7 @@
 
 /* USER CODE BEGIN Includes */
 /* Section where include file can be added */
+#include "debug_log.h"
 /* USER CODE END Includes */
 
 /* Ensure definitions are only used by the compiler, and not by the assembler. */
@@ -137,7 +138,7 @@ See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
 /* Normal assert() semantics without relying on the provision of an assert.h
 header file. */
 /* USER CODE BEGIN 1 */
-#define configASSERT( x ) if ((x) == 0) {taskDISABLE_INTERRUPTS(); for( ;; );}
+#define configASSERT( x ) do { if ((x) == 0) { debug_log_fault_context("config-assert", __FILE__, __LINE__); taskDISABLE_INTERRUPTS(); for( ;; ) { } } } while (0)
 /* USER CODE END 1 */
 
 /* Definitions that map the FreeRTOS port interrupt handlers to their CMSIS

Core/Inc/debug_log.h

@@ -17,6 +17,7 @@ void debug_log_printf(const char *fmt, ...);
 void debug_log_boot(const char *tag);
 void debug_log_fault(const char *tag);
 void debug_log_runtime_snapshot(void);
+void debug_log_fault_context(const char *tag, const char *file, int line);
 
 #ifdef __cplusplus
 }

Core/Inc/iwdg.h

@@ -38,7 +38,7 @@ extern IWDG_HandleTypeDef hiwdg;
 
 /* USER CODE END Private defines */
 
-void MX_IWDG_Init(void);
+HAL_StatusTypeDef MX_IWDG_Init(void);
 
 /* USER CODE BEGIN Prototypes */