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