第18篇ESP32platformio-arduino框架-ili9488-lcd显示时间天气
第18篇esp32ili9488lcd显示时间天气
连接方法：
修改WIFI：
关键代码
void setup()
{Serial.begin(115200);WiFi.mode(WIFI_STA);WiFi.begin(ssid,password);Serial.print("\r\nConnecting to ");//serial：串口函数，serial.print：经由串口的打印函数Serial.print(ssid);Serial.println("...");while(WiFi.status()!= WL_CONNECTED){//返回值由WiFi连接状态决定delay(1000);//while循环每一秒检查一次Serial.print("Waiting for ");// Serial.print(j++);Serial.println("sss...");}//————————————————
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//原文链接：https://blog.csdn.net/txwtech/article/details/132945424//wifi.addAP("txwpp2.4g", "80438250txw@"); // 修改里面的ssid和password为你的WIFI名称和密码即可//wifiMulti.addAP("ssid2", "password2"); //这里可以设置多个常用wifi，会自动连接信号最强的//wifiMulti.addAP("ssid3", "password3");tft.init();tft.setRotation(0); //旋转屏幕 参数为：0, 1, 2, 3 分别代表 0°，90°，180°，270°，可以设置4为镜像。tft.fillScreen(0x0000);tft.setTextColor(TFT_BLACK, bgColor);targetTime = millis() + 1000; Serial.print("正在连接WIFI ");Serial.println(WiFi.SSID());while (WiFi.status()!= WL_CONNECTED) {for(byte n=0;n<10;n++){ //每500毫秒检测一次状态loading(50);}}while(loadNum < 200){ //让动画走完loading(1);}Serial.print("本地IP： ");Serial.println(WiFi.localIP());//Serial.println("启动UDP");Udp.begin(localPort);//Serial.print("端口号: ");//Serial.println(Udp.localPort());//Serial.println("等待同步...");setSyncProvider(getNtpTime);setSyncInterval(300);TJpgDec.setJpgScale(1);TJpgDec.setSwapBytes(true);TJpgDec.setCallback(tft_output);//TJpgDec.drawJpg(0,0,watchtop, sizeof(watchtop));TJpgDec.drawJpg(0,0,img240_10, sizeof(img240_10));//顶部图标显示//TJpgDec.drawJpg(0,220,watchbottom, sizeof(watchbottom));//绘制一个视口// tft.setViewport(0, 20, 240, 200);// tft.fillScreen(0x0000);// tft.fillRoundRect(0,0,240,200,5,bgColor);//实心圆角矩形tft.setViewport(0, 20, 320, 460);tft.fillScreen(0x0000);tft.fillRoundRect(0,0,320,460,5,bgColor);//实心圆角矩形//tft.resetViewport();//绘制线框tft.drawFastHLine(0,34,320,TFT_BLACK);//240tft.drawFastVLine(150,0,34,TFT_BLACK);tft.drawFastHLine(0,426,320,TFT_BLACK); //240tft.drawFastVLine(60,426,34,TFT_BLACK);tft.drawFastVLine(160,426,34,TFT_BLACK);getCityCode(); //获取城市代码digitalClockDisplay();TJpgDec.drawJpg(230,387,humidity, sizeof(humidity)); //湿度图标TJpgDec.drawJpg(161,428,temperature, sizeof(temperature)); //温度图标getCityWeater();digitalClockDisplay();imgPlant(); //一定要JPG格式的图片才能显示getCityWeater();}time_t prevDisplay = 0; // 显示时间
unsigned long weaterTime = 0;void loop(){if (now() != prevDisplay) {prevDisplay = now();digitalClockDisplay();}if(millis() - weaterTime > 300000){ //5分钟更新一次天气weaterTime = millis();getCityWeater();}scrollBanner();imgPlant(); //一定要JPG格式的图片才能显示
}// 发送HTTP请求并且将服务器响应通过串口输出
void getCityCode(){String URL = "http://wgeo.weather.com.cn/ip/?_="+String(now());WiFiClient client;//创建 HTTPClient 对象HTTPClient httpClient;httpClient.begin(client,URL);//设置请求头中的User-AgenthttpClient.setUserAgent("Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1");httpClient.addHeader("Referer", "http://www.weather.com.cn/");//启动连接并发送HTTP请求int httpCode = httpClient.GET();Serial.print("Send GET request to URL: ");Serial.println(URL);//如果服务器响应OK则从服务器获取响应体信息并通过串口输出if (httpCode == HTTP_CODE_OK) {String str = httpClient.getString();int aa = str.indexOf("id=");if(aa>-1){//cityCode = str.substring(aa+4,aa+4+9).toInt();cityCode = str.substring(aa+4,aa+4+9);Serial.println(cityCode); getCityWeater();}else{Serial.println("获取城市代码失败"); }}else {Serial.println("请求城市代码错误：");Serial.println(httpCode);}//关闭ESP32与服务器连接httpClient.end();
}
platformio.ini
; PlatformIO Project Configuration File
;
; Build options: build flags, source filter
; Upload options: custom upload port, speed and extra flags
; Library options: dependencies, extra library storages
; Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html[env:esp32dev]
platform = espressif32
board = esp32dev
framework = arduino
upload_speed = 921600
upload_port = COM8
monitor_port = 115200
工程源代码：
https://download.csdn.net/download/txwtech/88417218
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