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ResetReason: Add an additional method and a test case (#467)

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Method:
--------
Added a verbose print method for ease.

Test Case:
-----------
Putting ESP32 to sleep will give a different reason on wake than the first
time power up.
This commit is contained in:
Pranav Cherukupalli 2017-06-27 17:47:55 +05:30 committed by Me No Dev
parent 23acb4d17b
commit 87093368d9
1 changed files with 105 additions and 5 deletions
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110
libraries/ESP32/examples/ResetReason/ResetReason.ino
View File

@ -1,10 +1,21 @@
/* Print last reset reason of ESP32 /*
* by Evandro Luis Copercini - 2017 * Print last reset reason of ESP32
* =================================
*
* Use either of the methods print_reset_reason
* or verbose_print_reset_reason to display the
* cause for the last reset of this device.
*
* Public Domain License. * Public Domain License.
*
* Author:
* Evandro Luis Copercini - 2017
*/ */
#include <rom/rtc.h> #include <rom/rtc.h>
#define uS_TO_S_FACTOR 1000000 /* Conversion factor for micro seconds to seconds */
void print_reset_reason(RESET_REASON reason) void print_reset_reason(RESET_REASON reason)
{ {
switch ( reason) switch ( reason)
@ -28,20 +39,109 @@ void print_reset_reason(RESET_REASON reason)
} }
} }
void verbose_print_reset_reason(RESET_REASON reason)
{
switch ( reason)
{
case 1 : Serial.println ("Vbat power on reset");break;
case 3 : Serial.println ("Software reset digital core");break;
case 4 : Serial.println ("Legacy watch dog reset digital core");break;
case 5 : Serial.println ("Deep Sleep reset digital core");break;
case 6 : Serial.println ("Reset by SLC module, reset digital core");break;
case 7 : Serial.println ("Timer Group0 Watch dog reset digital core");break;
case 8 : Serial.println ("Timer Group1 Watch dog reset digital core");break;
case 9 : Serial.println ("RTC Watch dog Reset digital core");break;
case 10 : Serial.println ("Instrusion tested to reset CPU");break;
case 11 : Serial.println ("Time Group reset CPU");break;
case 12 : Serial.println ("Software reset CPU");break;
case 13 : Serial.println ("RTC Watch dog Reset CPU");break;
case 14 : Serial.println ("for APP CPU, reseted by PRO CPU");break;
case 15 : Serial.println ("Reset when the vdd voltage is not stable");break;
case 16 : Serial.println ("RTC Watch dog reset digital core and rtc module");break;
default : Serial.println ("NO_MEAN");
}
}
void setup() { void setup() {
// put your setup code here, to run once: // put your setup code here, to run once:
Serial.begin(115200); Serial.begin(115200);
delay(2000); delay(2000);
Serial.println("CPU0 reset reason: "); Serial.println("CPU0 reset reason:");
print_reset_reason(rtc_get_reset_reason(0)); print_reset_reason(rtc_get_reset_reason(0));
verbose_print_reset_reason(rtc_get_reset_reason(0));
Serial.println("CPU1 reset reason: "); Serial.println("CPU1 reset reason:");
print_reset_reason(rtc_get_reset_reason(1)); print_reset_reason(rtc_get_reset_reason(1));
verbose_print_reset_reason(rtc_get_reset_reason(1));
// Set ESP32 to go to deep sleep to see a variation
// in the reset reason. Device will sleep for 5 seconds.
esp_deep_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_OFF);
Serial.println("Going to sleep");
esp_deep_sleep(5 * uS_TO_S_FACTOR);
} }
void loop() { void loop() {
// put your main code here, to run repeatedly: // put your main code here, to run repeatedly:
} }
/*
Example Serial Log:
====================
rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x00
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0008,len:8
load:0x3fff0010,len:160
load:0x40078000,len:10632
load:0x40080000,len:252
entry 0x40080034
CPU0 reset reason:
RTCWDT_RTC_RESET
RTC Watch dog reset digital core and rtc module
CPU1 reset reason:
EXT_CPU_RESET
for APP CPU, reseted by PRO CPU
Going to sleep
ets Jun 8 2016 00:22:57
rst:0x5 (DEEPSLEEP_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x00
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0008,len:8
load:0x3fff0010,len:160
load:0x40078000,len:10632
load:0x40080000,len:252
entry 0x40080034
CPU0 reset reason:
DEEPSLEEP_RESET
Deep Sleep reset digital core
CPU1 reset reason:
EXT_CPU_RESET
for APP CPU, reseted by PRO CPU
Going to sleep
ets Jun 8 2016 00:22:57
rst:0x5 (DEEPSLEEP_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x00
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0008,len:8
load:0x3fff0010,len:160
load:0x40078000,len:10632
load:0x40080000,len:252
entry 0x40080034
CPU0 reset reason:
DEEPSLEEP_RESET
Deep Sleep reset digital core
CPU1 reset reason:
EXT_CPU_RESET
for APP CPU, reseted by PRO CPU
Going to sleep
*/