Created
September 9, 2020 19:50
-
-
Save boarchuz/f9cfb476fb85ede0ffc88d88c8d500f3 to your computer and use it in GitHub Desktop.
ESP32 Deep Sleep Interrupt Detect Without Wake
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include "esp_system.h" | |
#include "esp_sleep.h" | |
#include "esp_log.h" | |
#include "driver/rtc_io.h" | |
#include "soc/rtc_io_struct.h" | |
static const char *TAG = "INT_DETECT"; | |
#define INT_PIN GPIO_NUM_0 | |
RTC_DATA_ATTR int counter; | |
static bool is_interrupt_triggered() | |
{ | |
int rtcio_num = rtc_io_number_get(INT_PIN); | |
bool triggered = (RTCIO.status.status & BIT(rtcio_num)); | |
if (triggered) { | |
// Clear | |
RTCIO.status_w1tc.w1tc = BIT(rtcio_num); | |
} | |
return triggered; | |
} | |
void app_main(void) | |
{ | |
if (esp_reset_reason() == ESP_RST_DEEPSLEEP) | |
{ | |
++counter; | |
if(is_interrupt_triggered()) | |
{ | |
ESP_LOGI(TAG, "Interrupt was triggered!"); | |
counter = 0; | |
} | |
} | |
else | |
{ | |
ESP_LOGI(TAG, "Starting..."); | |
ESP_ERROR_CHECK( rtc_gpio_init(INT_PIN) ); | |
ESP_ERROR_CHECK( rtc_gpio_set_direction(INT_PIN, RTC_GPIO_MODE_INPUT_ONLY) ); | |
ESP_ERROR_CHECK( rtc_gpio_pulldown_dis(INT_PIN) ); | |
ESP_ERROR_CHECK( rtc_gpio_pullup_en(INT_PIN) ); | |
int rtcio_num = rtc_io_number_get(INT_PIN); | |
RTCIO.pin[rtcio_num].wakeup_enable = 0; | |
RTCIO.pin[rtcio_num].int_type = GPIO_INTR_NEGEDGE; | |
counter = 0; | |
} | |
ESP_LOGI(TAG, "Counter: %d", counter); | |
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON); | |
esp_deep_sleep(2ULL * 1000 * 1000); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment