esp32墨水屏天气代码学习

main.cpp文件如下：

#include <Arduino.h> #include <ArduinoJson.h>  #include <WiFiManager.h>  #include "OneButton.h"  #include "led.h" #include "_sntp.h" #include "weather.h" #include "screen_ink.h" #include "_preference.h"  #include "version.h" #include <esp_attr.h>  #define PIN_BUTTON GPIO_NUM_14 // 注意：由于此按键负责唤醒，因此需要选择支持RTC唤醒的PIN脚。 OneButton button; RTC_DATA_ATTR volatile int _display_mode =0;  void IRAM_ATTR checkTicks() {     button.tick(); }  WiFiManager wm; WiFiManagerParameter para_qweather_host("qweather_host", "和风天气Host", "", 64); //     和风天气key WiFiManagerParameter para_qweather_key("qweather_key", "和风天气API Key", "", 32); //     和风天气key // const char* test_html = "<br/><label for='test'>天气模式</label><br/><input type='radio' name='test' value='0' checked> 每日天气test </input><input type='radio' name='test' value='1'> 实时天气test</input>"; // WiFiManagerParameter para_test(test_html); WiFiManagerParameter para_qweather_type("qweather_type", "天气类型（0:每日天气，1:实时天气）", "0", 2, "pattern='\[0-1]{1}'"); //     城市code WiFiManagerParameter para_qweather_location("qweather_loc", "位置ID", "", 64); //     城市code WiFiManagerParameter para_cd_day_label("cd_day_label", "倒数日（4字以内）", "", 10); //     倒数日 WiFiManagerParameter para_cd_day_date("cd_day_date", "日期（yyyyMMdd）", "", 8, "pattern='\d{8}'"); //     城市code WiFiManagerParameter para_tag_days("tag_days", "日期Tag（yyyyMMddx，详见README）", "", 30); //     日期Tag WiFiManagerParameter para_si_week_1st("si_week_1st", "每周起始（0:周日，1:周一）", "0", 2, "pattern='\[0-1]{1}'"); //     每周第一天  void print_wakeup_reason() {     esp_sleep_wakeup_cause_t wakeup_reason = esp_sleep_get_wakeup_cause();     switch (wakeup_reason) {     case ESP_SLEEP_WAKEUP_EXT0:         Serial.println(F("Wakeup caused by external signal using RTC_IO"));         _display_mode++;         _display_mode %= 3;         Serial.printf("display mode: %drn", _display_mode);         break;     case ESP_SLEEP_WAKEUP_EXT1:         Serial.println(F("Wakeup caused by external signal using RTC_CNTL"));         break;     case ESP_SLEEP_WAKEUP_TIMER:         Serial.println(F("Wakeup caused by timer"));         break;     case ESP_SLEEP_WAKEUP_TOUCHPAD:         Serial.println(F("Wakeup caused by touchpad"));         break;     case ESP_SLEEP_WAKEUP_ULP:         Serial.println(F("Wakeup caused by ULP program"));         break;     default:         Serial.printf( "Wakeup was not caused by deep sleep.n");     } }  void buttonClick(void* oneButton); void buttonDoubleClick(void* oneButton); void buttonLongPressStop(void* oneButton); void go_sleep();  unsigned long _idle_millis; unsigned long TIME_TO_SLEEP = 180 * 1000;  bool _wifi_flag = false; unsigned long _wifi_failed_millis; void setup() {     delay(10);     Serial.begin(115200);     Serial.println(".");     print_wakeup_reason();     Serial.println("rnrnrn");     delay(10);     button.setup(PIN_BUTTON,INPUT_PULLUP,true);     button.setClickMs(300);     button.setPressMs(3000); // 设置长按的时长     button.attachClick(buttonClick, &button);     button.attachDoubleClick(buttonDoubleClick, &button);     // button.attachMultiClick()     button.attachLongPressStop(buttonLongPressStop, &button);     attachInterrupt(digitalPinToInterrupt(PIN_BUTTON), checkTicks, CHANGE);      Serial.printf("***********************rn");     Serial.printf("      J-Calendarrn");     Serial.printf("    version: %srn", J_VERSION);     Serial.printf("***********************rnrn");     Serial.printf("Copyright © 2022-2025 JADE Software Co., Ltd. All Rights Reserved.rnrn");      led_init();     led_fast();