mirror of
https://github.com/m5stack/M5Stack.git
synced 2026-05-20 10:06:46 -07:00
Tinyu
53 lines
2.1 KiB
Arduino
53 lines
2.1 KiB
Arduino
/*
|
||
*******************************************************************************
|
||
* Copyright (c) 2021 by M5Stack
|
||
* Equipped with M5Core sample source code
|
||
* 配套 M5Core 示例源代码
|
||
* Visit the website for more information：https://docs.m5stack.com/en/core/gray
|
||
* 获取更多资料请访问：https://docs.m5stack.com/zh_CN/core/gray
|
||
*
|
||
* describe：BasicHTTPClient.
|
||
* date：2021/8/4
|
||
******************************************************************************
|
||
*/
|
||
#include <M5Stack.h>
|
||
#include <Arduino.h>
|
||
#include <WiFi.h>
|
||
#include <WiFiMulti.h>
|
||
#include <HTTPClient.h>
|
||
|
||
WiFiMulti wifiMulti;
|
||
HTTPClient http;
|
||
|
||
void setup() {
|
||
M5.begin(); //Init M5Core. 初始化 M5Core
|
||
M5.Power.begin(); //Init power 初始化电源模块
|
||
wifiMulti.addAP("M5-", "Of"); //Storage wifi configuration information. 存储wifi配置信息
|
||
M5.Lcd.print("\nConnecting Wifi...\n"); //print format output string on lcd. 串口格式化输出字符串
|
||
}
|
||
|
||
void loop() {
|
||
M5.Lcd.setCursor(0,0); //Set the cursor at (0,0). 设置光标位于(0,0)处
|
||
if((wifiMulti.run() == WL_CONNECTED)) { // wait for WiFi connection. 等待连接至wifi
|
||
M5.Lcd.print("[HTTP] begin...\n");
|
||
http.begin("http://example.com/index.html"); // configure traged server and url. 配置被跟踪的服务器和URL
|
||
M5.Lcd.print("[HTTP] GET...\n");
|
||
int httpCode = http.GET(); // start connection and send HTTP header. 开始连接服务器并发送HTTP的标头
|
||
if(httpCode > 0) { // httpCode will be negative on error. 出错时httpCode将为负值
|
||
M5.Lcd.printf("[HTTP] GET... code: %d\n", httpCode);
|
||
|
||
if(httpCode == HTTP_CODE_OK) { // file found at server. 在服务器上找到文件
|
||
String payload = http.getString();
|
||
M5.Lcd.println(payload); //打印在服务器上读取的文件. Print files read on the server
|
||
}
|
||
}else {
|
||
M5.Lcd.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
|
||
}
|
||
http.end();
|
||
}else{
|
||
M5.Lcd.print("connect failed");
|
||
}
|
||
delay(5000);
|
||
M5.Lcd.createSprite(); //clear the screen. 清除屏幕
|
||
}
|