1 files changed, 123 insertions, 0 deletions
diff --git a/inc/os/system_trace/trace_hardfault.h b/inc/os/system_trace/trace_hardfault.h
new file mode 100644
index 0000000..94c9931
--- /dev/null
+++ b/inc/os/system_trace/trace_hardfault.h
@@ -0,0 +1,123 @@
+/****************************************************************************************************//**
+ * @file     trace_hardfault.h
+ *
+ * @brief
+ *
+ * @version  v0.1
+ * @date     2018-11-05
+ *
+ * @note
+ ****************************************************************************************************/
+
+#ifndef TRACE_HARDFAULT_H
+#define TRACE_HARDFAULT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "trace_common.h"
+#include "trace_port_config.h"
+
+typedef struct
+{
+    uint32_t stacked_r0;
+    uint32_t stacked_r1;
+    uint32_t stacked_r2;
+    uint32_t stacked_r3;
+    uint32_t stacked_r4;
+    uint32_t stacked_r5;
+    uint32_t stacked_r6;
+    uint32_t stacked_r7;
+    uint32_t stacked_r8;
+    uint32_t stacked_r9;
+    uint32_t stacked_r10;
+    uint32_t stacked_r11;
+    uint32_t stacked_r12;
+    uint32_t stacked_lr;
+    uint32_t stacked_pc;
+    uint32_t stacked_psr;
+    uint32_t old_sp;
+    uint32_t msp;
+    uint32_t cfsr;
+    uint32_t bus_fault_address;
+    uint32_t memmanage_fault_address;
+
+    uint32_t PRIMASK;
+    uint32_t BASEPRI;
+    uint32_t EXC_RETURN;
+
+    uint32_t HFSR;
+    uint32_t DFSR;
+    uint32_t AFSR;
+} T_HARDFAULT_RECORD;
+
+/******** magic pattern for hardfault record ********/
+#define HARDFAULT_PATTERN_BEG           (0xbeefface)
+#define HARDFAULT_PATTERN_END           (0xbabeface)
+#define HARDFAULT_PATTERN_MID           (0xdcabface)
+
+extern bool patch_hardfault_save_to_flash_init(void);
+
+/************Dump info:  *********
+*********Part0: beg pattern*******************
+4:                  PATTERN_BEG
+*********Part1: hardfault register record****
+sizeof(*record):    hardfault reg info
+4:                  PATTERN_MID
+*********Part2: Current task stack****
+1024:               current task stack
+4:                  PATTERN_MID
+16:                 bottom of current task stack
+4:                  PATTERN_MID
+*********Part3: specific task stack****
+task stack size0:   task stack0
+4:                  PATTERN_MID
+16:                 bottom of task stack0
+4:                  PATTERN_MID
+task stack size1:   task stack1
+4:                  PATTERN_MID
+16:                 bottom of task stack1
+4:                  PATTERN_MID
+.......
+task stack size n:   task stack n
+4:                  PATTERN_MID
+16:                 bottom of task stack n
+4:                  PATTERN_MID
+**********Part4: end pattern*******************
+4:                  PATTERN_END
+*********************************/
+
+/**
+ * extern void *app_task_handle;
+ * TCB_t *pxTimerTCB =(TCB_t *)xTimerTaskHandle;
+ * TCB_t *pxLowerTCB =(TCB_t *)low_task_handle;
+ * TCB_t *pxUpperTCB =(TCB_t *)upperstack_handle;
+ * TCB_t *pxAppTCB =(TCB_t *)app_task_handle;
+*/
+/**
+ * @brief  Initializes trace_hardfault save to flash including critical task stack
+ * @param  dump_task_stack_num: number of task
+ * @return if it is successfully initialized , return true
+
+ * For example
+   hardfault_save_to_flash_init(2, &low_task_handle, 1024, &app_task_handle, 1024);
+   @param  2: dump two task stack
+   @param  low_task_handle: lowstack task handler value
+   @param  1024: dump task stack size
+   @param  app_task_handle: upperstack task handler value
+   @param  1024: dump task stack size
+   @note if need dump app task, must call this api after app task created!!!
+       Upperstack handler address is different when used different upperstack img!
+ */
+void hardfault_save_to_flash_init(uint32_t dump_task_stack_num, ...);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+