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esp32: add API to get reset reason

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This commit is contained in:
Ivan Grokhotkov
2018-07-29 12:57:59 +03:00
parent fd61c1440b
commit 0aa384d40c
8 changed files with 229 additions and 13 deletions
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27
components/esp32/panic.c
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@@ -40,7 +40,7 @@
#include "esp_spi_flash.h"
#include "esp_cache_err_int.h"
#include "esp_app_trace.h"
#include "esp_system.h"
#include "esp_system_internal.h"
#include "sdkconfig.h"
#if CONFIG_SYSVIEW_ENABLE
#include "SEGGER_RTT.h"
@@ -121,6 +121,20 @@ void __attribute__((weak)) vApplicationStackOverflowHook( TaskHandle_t xTask, s
abort();
}
/* These two weak stubs for esp_reset_reason_{get,set}_hint are used when
* the application does not call esp_reset_reason() function, and
* reset_reason.c is not linked into the output file.
*/
void __attribute__((weak)) esp_reset_reason_set_hint(esp_reset_reason_t hint)
{
}
esp_reset_reason_t __attribute__((weak)) esp_reset_reason_get_hint(void)
{
return ESP_RST_UNKNOWN;
}
static bool abort_called;
static __attribute__((noreturn)) inline void invoke_abort()
@@ -147,6 +161,12 @@ void abort()
#if !CONFIG_ESP32_PANIC_SILENT_REBOOT
ets_printf("abort() was called at PC 0x%08x on core %d\r\n", (intptr_t)__builtin_return_address(0) - 3, xPortGetCoreID());
#endif
/* Calling code might have set other reset reason hint (such as Task WDT),
* don't overwrite that.
*/
if (esp_reset_reason_get_hint() == ESP_RST_UNKNOWN) {
esp_reset_reason_set_hint(ESP_RST_PANIC);
}
invoke_abort();
}
@@ -234,6 +254,10 @@ void panicHandler(XtExcFrame *frame)
}
#endif //!CONFIG_FREERTOS_UNICORE
if (frame->exccause == PANIC_RSN_INTWDT_CPU0 || frame->exccause == PANIC_RSN_INTWDT_CPU1) {
esp_reset_reason_set_hint(ESP_RST_INT_WDT);
}
haltOtherCore();
esp_dport_access_int_abort();
panicPutStr("Guru Meditation Error: Core ");
@@ -333,6 +357,7 @@ void xt_unhandled_exception(XtExcFrame *frame)
return;
}
panicPutStr(". Exception was unhandled.\r\n");
esp_reset_reason_set_hint(ESP_RST_PANIC);
}
commonErrorHandler(frame);
}