esp-idf/examples/system/light_sleep/main/timer_wakeup.c
2022-01-25 17:43:02 +08:00

19 lines
518 B
C

/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#include "esp_check.h"
#include "esp_sleep.h"
#define TIMER_WAKEUP_TIME_US (2 * 1000 * 1000)
static const char *TAG = "timer_wakeup";
esp_err_t example_register_timer_wakeup(void)
{
ESP_RETURN_ON_ERROR(esp_sleep_enable_timer_wakeup(TIMER_WAKEUP_TIME_US), TAG, "Configure timer as wakeup source failed");
ESP_LOGI(TAG, "timer wakeup source is ready");
return ESP_OK;
}