kopia lustrzana https://github.com/espressif/esp-idf
53 wiersze
1.5 KiB
C
53 wiersze
1.5 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <sys/time.h>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_sleep.h"
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#include "esp_wake_stub.h"
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#include "driver/rtc_io.h"
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#include "rtc_wake_stub_example.h"
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// sleep_enter_time stored in RTC memory
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static RTC_DATA_ATTR struct timeval sleep_enter_time;
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void app_main(void)
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{
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struct timeval now;
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gettimeofday(&now, NULL);
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int sleep_time_ms = (now.tv_sec - sleep_enter_time.tv_sec) * 1000 + (now.tv_usec - sleep_enter_time.tv_usec) / 1000;
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if (esp_sleep_get_wakeup_cause() == ESP_SLEEP_WAKEUP_TIMER) {
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printf("Wake up from timer. Time spent in deep sleep: %dms\n", sleep_time_ms);
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}
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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const int wakeup_time_sec = CONFIG_WAKE_UP_TIME;
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printf("Enabling timer wakeup, %ds\n", wakeup_time_sec);
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esp_sleep_enable_timer_wakeup(wakeup_time_sec * 1000000);
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#if CONFIG_IDF_TARGET_ESP32
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// Isolate GPIO12 pin from external circuits. This is needed for modules
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// which have an external pull-up resistor on GPIO12 (such as ESP32-WROVER)
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// to minimize current consumption.
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rtc_gpio_isolate(GPIO_NUM_12);
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#endif
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esp_set_deep_sleep_wake_stub(&wake_stub_example);
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printf("Entering deep sleep\n");
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gettimeofday(&sleep_enter_time, NULL);
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esp_deep_sleep_start();
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}
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