blob: 228dc67e59eb66f91ce7be5c22707a5a5425c5ce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#include <stm32l476xx.h>
#include <serial.h>
#include <stdlib.h>
#include <task.h>
void serial_puts(const char *s)
{
int i = 0;
while (s[i] != 0)
serial_put(s[i++]);
}
void perror(const char *s)
{
extern uint32_t heap_used;
serial_puts(s);
static char buf[200];
uint32_t *psp;
asm("mrs %0, psp" : "=r"(psp));
snprintf(buf, 200, "\r\nPC: %x\r\nLR: %x\r\nmemused: %db\r\n",
psp[6], psp[5], heap_used);
serial_puts(buf);
}
__attribute__ ((naked))
void NMI_Handler(void) {}
__attribute__ ((naked))
void HardFault_Handler(void)
{
GPIOA->BSRR |= (1 << 5);
perror("Hard Fault!");
while (1);
}
__attribute__ ((naked))
void MemManage_Handler(void)
{
GPIOA->BSRR |= (1 << 5);
perror("MemManage Fault!");
while (1);
}
__attribute__ ((naked))
void BusFault_Handler(void)
{
GPIOA->BSRR |= (1 << 5);
perror("Bus Fault!");
while (1);
}
__attribute__ ((naked))
void UsageFault_Handler(void)
{
GPIOA->BSRR |= (1 << 5);
perror("Usage Fault!");
while (1);
}
__attribute__ ((naked))
void DebugMon_Handler(void) {}
|
