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improved runtime error handling

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This commit is contained in:
Bernd Herzog 2023-03-18 22:41:26 +01:00
parent ed1c2e1c03
commit b83f43793c
6 changed files with 75 additions and 28 deletions
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32
firmware/application/debug.cpp
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@ -29,13 +29,14 @@
#include "ui_painter.hpp"
#include "portapack.hpp"
#include "ui_font_fixed_8x16.hpp"
#include "string_format.hpp"
void runtime_error(LED);
std::string number_to_hex_string(uint32_t);
void draw_line(int32_t, const char *, regarm_t);
static bool error_shown = false;
extern void draw_guru_meditation_header(uint8_t source, const char *hint) {
void draw_guru_meditation_header(uint8_t source, const char *hint) {
ui::Painter painter;
ui::Style style_default {
.font = ui::font::fixed_8x16,
@ -81,7 +82,7 @@ void draw_guru_meditation(uint8_t source, const char *hint) {
runtime_error(hackrf::one::led_tx);
}
void draw_guru_meditation(uint8_t source, const char *hint, struct extctx *ctxp) {
void draw_guru_meditation(uint8_t source, const char *hint, struct extctx *ctxp, uint32_t cfsr = 0) {
if(error_shown == false)
{
error_shown = true;
@ -102,6 +103,10 @@ void draw_guru_meditation(uint8_t source, const char *hint, struct extctx *ctxp)
// to see whats causing the fault.
draw_line(80 + i++ * 20, "lr:", ctxp->lr_thd);
draw_line(80 + i++ * 20, "pc:", ctxp->pc);
// see SCB_CFSR_* in libopencm3/cm3/scb.h for details
if (cfsr != 0)
draw_line(80 + i++ * 20, "cfsr:", (void *)cfsr);
}
}
@ -121,23 +126,7 @@ void draw_line(int32_t y_offset, const char *label, regarm_t value){
};
painter.draw_string({ 15, y_offset }, style_default, label);
painter.draw_string({ 15 + 8*8, y_offset }, style_default, number_to_hex_string((uint32_t)value));
}
std::string number_to_hex_string(uint32_t number){
char str[16];
char* p = &str[16];
do {
p--;
uint32_t digit = number % 16;
number /= 16;
*p = digit>=10 ? 'A' + (digit-10) : '0' + digit;
} while ( number > 0 );
p--;
*p = 'x';
p--;
*p = '0';
return std::string(p, &str[16]-p);
painter.draw_string({ 15 + 8*8, y_offset }, style_default, to_string_hex((uint32_t)value, 8));
}
void runtime_error(LED led) {
@ -198,6 +187,11 @@ CH_IRQ_HANDLER(HardFaultVector) {
ctxp = (struct extctx *)__get_MSP();
port_disable();
auto stack_space_left = get_free_stack_space();
if (stack_space_left < 16)
draw_guru_meditation(CORTEX_M0, "Stack Overflow", ctxp);
draw_guru_meditation(CORTEX_M0, "Hard Fault", ctxp);
CH_IRQ_EPILOGUE();