15 #if defined ( __CC_ARM ) 16 #if (__ARMCC_VERSION < 400000) 19 #pragma import _printf_widthprec 26 #if defined(DEBUG_ENABLE_SEMIHOST) 36 #if !(defined(__ICCARM__) && (__VER__ >= 6010000)) 46 printf(
"r0 = 0x%x\n", stack[
r0]);
47 printf(
"r1 = 0x%x\n", stack[
r1]);
48 printf(
"r2 = 0x%x\n", stack[
r2]);
49 printf(
"r3 = 0x%x\n", stack[
r3]);
50 printf(
"r12 = 0x%x\n", stack[
r12]);
51 printf(
"lr = 0x%x\n", stack[
lr]);
52 printf(
"pc = 0x%x\n", stack[
pc]);
53 printf(
"psr = 0x%x\n", stack[
psr]);
58 printf(
"In Hard Fault Handler\n");
70 #if defined(DEBUG_ENABLE_SEMIHOST) 72 static char g_buf[16];
73 static char g_buf_len = 0;
77 # if defined ( __GNUC__ ) && !(__CC_ARM) && !(__ICCARM__) 79 # elif defined(__ICCARM__) 102 "LDR R1, [R0, #24] \n" 104 "LDR R2, [pc, #8] \n" 106 "BNE HardFault_Handler_Ret\n" 108 "STR R1, [R0, #24] \n" 111 "HardFault_Handler_Ret:\n" 115 "BEQ Stack_Use_MSP \n" 117 "B Get_LR_and_Branch \n" 120 "Get_LR_and_Branch: \n" 122 "B Hard_Fault_Handler \n" 138 int32_t SH_DoCommand(int32_t n32In_R0, int32_t n32In_R1, int32_t *pn32Out_R0)
184 BNE HardFault_Handler_Ret
190 HardFault_Handler_Ret
197 MRS R0, PSP ;stack use PSP
200 MRS R0, MSP ; stack use MSP
202 MOV R1, LR ; LR current
value 221 __asm int32_t SH_DoCommand(int32_t n32In_R0, int32_t n32In_R1, int32_t *pn32Out_R0)
248 # if defined ( __GNUC__ ) && !(__CC_ARM) && !(__ICCARM__) 268 "B Hard_Fault_Handler \n" 271 "B Hard_Fault_Handler \n" 277 # elif defined(__ICCARM__) 294 "BEQ Stack_Use_MSP \n" 296 "B Get_LR_and_Branch \n" 299 "Get_LR_and_Branch: \n" 301 "B Hard_Fault_Handler \n" 325 MRS R0, PSP ;stack use PSP
328 MRS R0, MSP ; stack use MSP
330 MOV R1, LR ; LR current
value 368 #if defined(DEBUG_ENABLE_SEMIHOST) 369 g_buf[g_buf_len++] = ch;
370 g_buf[g_buf_len] =
'\0';
371 if(g_buf_len + 1 >=
sizeof(g_buf) || ch ==
'\n' || ch ==
'\0')
376 if(SH_DoCommand(0x04, (
int)g_buf,
NULL) != 0)
385 for(i=0;i<g_buf_len;i++)
405 #if defined(DEBUG_ENABLE_SEMIHOST) 406 # if defined ( __CC_ARM ) 408 while(SH_DoCommand(0x101, 0, &nRet) != 0)
412 SH_DoCommand(0x07, 0, &nRet);
418 while(SH_DoCommand(0x7, 0, &nRet) != 0)
486 #if defined (__GNUC__) && !defined(__ARMCC_VERSION) 488 int _write (
int fd,
char *ptr,
int len)
507 int _read (
int fd,
char *ptr,
int len)
529 #ifdef DEBUG_ENABLE_SEMIHOST 531 void __exit(
int return_code) {
535 if(SH_DoCommand(0x18, 0x20026,
NULL) == 0)
544 void _sys_exit(
int return_code) {
547 if(SH_DoCommand(0x18, 0x20026,
NULL) == 0)
char GetChar(void)
Read a char from debug console.
int IsDebugFifoEmpty(void)
Check whether UART transmit FIFO is empty or not.
__asm int32_t HardFault_Handler(void)
This HardFault handler is implemented to show r0, r1, r2, r3, r12, lr, pc, psr.
void SendChar_ToUART(int ch)
Write a char to UART.
Mini51 series peripheral access layer header file. This file contains all the peripheral register's d...
void Hard_Fault_Handler(uint32_t stack[])
#define UART_FSR_TX_FULL_Msk
int kbhit(void)
Check whether UART receive FIFO is empty or not.
void SendChar(int ch)
Write a char to debug console.
#define UART
Pointer to UART register structure.
#define UART_FSR_RX_EMPTY_Msk
void stackDump(uint32_t stack[])
#define UART_FSR_TE_FLAG_Msk
#define NULL
NULL pointer.
int fputc(int ch, FILE *f)