71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*
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MIT License
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Copyright (c) 2021 Felix Biego
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <ESP32Time.h>
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#define uS_TO_S_FACTOR 1000000ULL /* Conversion factor for micro seconds to seconds */
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#define TIME_TO_SLEEP 5 /* Time ESP32 will go to sleep (in seconds) */
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ESP32Time rtc;
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void wakeup_reason() {
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esp_sleep_wakeup_cause_t wakeup_reason;
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wakeup_reason = esp_sleep_get_wakeup_cause();
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switch (wakeup_reason)
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{
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case ESP_SLEEP_WAKEUP_EXT0 : Serial.println("Wakeup caused by external signal using RTC_IO"); break;
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case ESP_SLEEP_WAKEUP_EXT1 : Serial.println("Wakeup caused by external signal using RTC_CNTL"); break;
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case ESP_SLEEP_WAKEUP_TIMER : Serial.println("Wakeup caused by timer"); break;
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case ESP_SLEEP_WAKEUP_TOUCHPAD : Serial.println("Wakeup caused by touchpad"); break;
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case ESP_SLEEP_WAKEUP_ULP : Serial.println("Wakeup caused by ULP program"); break;
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default :
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Serial.printf("Wakeup was not caused by deep sleep: %d\n", wakeup_reason);
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rtc.setTime(30, 24, 15, 17, 1, 2021); // 17th Jan 2021 15:24:30
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//rtc.setTime(1609459200); // 1st Jan 2021 00:00:00
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//rtc.offset = 7200; // change offset value
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break;
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}
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}
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void setup() {
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Serial.begin(115200);
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wakeup_reason();
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Serial.println(rtc.getTime("%A, %B %d %Y %H:%M:%S")); // (String) returns time with specified format
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esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR);
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Serial.println("Going to sleep now");
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Serial.flush();
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esp_deep_sleep_start();
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}
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void loop() {
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}
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