arduino-esp32/libraries/ESP32/examples/ResetReason/ResetReason.ino

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2017-06-21 12:53:44 +02:00
/* Print last reset reason of ESP32
* by Evandro Luis Copercini - 2017
* Public Domain License.
*/
#include <rom/rtc.h>
void print_reset_reason(RESET_REASON reason)
{
switch ( reason)
{
case 1 : Serial.println ("POWERON_RESET");break; /**<1, Vbat power on reset*/
case 3 : Serial.println ("SW_RESET");break; /**<3, Software reset digital core*/
case 4 : Serial.println ("OWDT_RESET");break; /**<4, Legacy watch dog reset digital core*/
case 5 : Serial.println ("DEEPSLEEP_RESET");break; /**<5, Deep Sleep reset digital core*/
case 6 : Serial.println ("SDIO_RESET");break; /**<6, Reset by SLC module, reset digital core*/
case 7 : Serial.println ("TG0WDT_SYS_RESET");break; /**<7, Timer Group0 Watch dog reset digital core*/
case 8 : Serial.println ("TG1WDT_SYS_RESET");break; /**<8, Timer Group1 Watch dog reset digital core*/
case 9 : Serial.println ("RTCWDT_SYS_RESET");break; /**<9, RTC Watch dog Reset digital core*/
case 10 : Serial.println ("INTRUSION_RESET");break; /**<10, Instrusion tested to reset CPU*/
case 11 : Serial.println ("TGWDT_CPU_RESET");break; /**<11, Time Group reset CPU*/
case 12 : Serial.println ("SW_CPU_RESET");break; /**<12, Software reset CPU*/
case 13 : Serial.println ("RTCWDT_CPU_RESET");break; /**<13, RTC Watch dog Reset CPU*/
case 14 : Serial.println ("EXT_CPU_RESET");break; /**<14, for APP CPU, reseted by PRO CPU*/
case 15 : Serial.println ("RTCWDT_BROWN_OUT_RESET");break;/**<15, Reset when the vdd voltage is not stable*/
case 16 : Serial.println ("RTCWDT_RTC_RESET");break; /**<16, RTC Watch dog reset digital core and rtc module*/
default : Serial.println ("NO_MEAN");
}
}
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
delay(2000);
Serial.println("CPU0 reset reason: ");
print_reset_reason(rtc_get_reset_reason(0));
Serial.println("CPU1 reset reason: ");
print_reset_reason(rtc_get_reset_reason(1));
}
void loop() {
// put your main code here, to run repeatedly:
}