Arduino编写的M5GO的WiFi网络通讯工程

主要是用Arduino编写的ESP32的WiFi网络通讯工程，包含很多依赖项，首先是WIFI连接，手机扫描二维码设置m5go连接的wifi，自动重启并连接成功后显示控制二维码，二维码上有三个控件，分别是手动打开，手动关闭和自动模式。之后会有和M5GO的灯光，红外调节。
由于依赖项比较多，所以难度比较大。。。

程序设计思路

主程序

#include <M5Stack.h> #include <WiFi.h> #include <ESPmDNS.h> #include <WiFiClient.h> #include "WebServer.h" #include <Preferences.h> #include <Arduino.h> #include <IRremoteESP8266.h> #include <IRsend.h> #include <Adafruit_NeoPixel.h> #include <stdio.h> #include "DHT12.h" #include <Wire.h> //The DHT12 uses I2C comunication. #include "Adafruit_Sensor.h" #include <Adafruit_BMP280.h> #define RGBPIN 15 #define PIXELNUM 10 Adafruit_NeoPixel pixels = Adafruit_NeoPixel(PIXELNUM, RGBPIN, NEO_GRB + NEO_KHZ800); const IPAddress apIP(192, 168, 4, 1); const char* apSSID = "M5STACK_SETUP"; boolean settingMode; String ssidList; String wifi_ssid; String wifi_password;  boolean autoMode; int autoState; const uint16_t kIrLed = 26; // ESP8266 GPIO pin to use. Recommended: 4 (D2). IRsend irsend(kIrLed); // Set the GPIO to be used to sending the message. uint16_t powerOnData[73] = {9000, 4500, 670, 540, 670, 540, 670, 540, 670, 1600, 670, 540, 670, 540, 670, 540, 670, 540, 670, 1600, 670, 540, 670, 540, 670, 1600, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 1600, 670, 540, 670, 1600, 670, 540, 670, 540, 670, 1600, 670, 540, 670}; uint16_t powerOffData[73] = {9000, 4500, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 1600, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 540, 670, 1600, 670, 540, 670, 1600, 670, 540, 670, 540, 670, 1600, 670, 540, 670};  DHT12 dht12; //Preset scale CELSIUS and ID 0x5c. Adafruit_BMP280 bme; // DNSServer dnsServer; WebServer webServer(80); // wifi config store Preferences preferences; void setup() {   M5.begin();   irsend.begin();   pixels.begin();   Wire.begin();   preferences.begin("wifi-config");    M5.Power.begin(); #if ESP8266   Serial.begin(115200, SERIAL_8N1, SERIAL_TX_ONLY); #else // ESP8266   Serial.begin(115200, SERIAL_8N1); #endif // ESP8266 delay(10); if (restoreConfig()) { if (checkConnection()) {       settingMode = false; startWebServer(); return; } }   settingMode = true;   autoMode = true;   autoState = 0; setupMode(); } int loopCount = 0; void loop() { if (!settingMode && loopCount > 5000) { if(autoMode && bme.begin(0x76)) {       loopCount = 0; if (autoState != 2 && dht12.readTemperature() > 27) {         irsend.sendRaw(powerOnData, 73, 38);         autoState = 2; } if (autoState != 1 && dht12.readTemperature() < 25) {         irsend.sendRaw(powerOffData, 73, 38);         autoState = 1; }       M5.Lcd.fillRect(0, 120, 160, 100, WHITE);       M5.Lcd.setCursor(40, 120);       M5.Lcd.setTextColor(BLACK);       M5.Lcd.setTextSize(4);       M5.Lcd.printf("%d Cn", (int)(dht12.readTemperature()));       M5.Lcd.setTextSize(2);       M5.Lcd.printf(" n   Auto Mode"); } else {       M5.Lcd.fillRect(0, 120, 160, 100, WHITE); } }   webServer.handleClient();   loopCount += 1; }  boolean restoreConfig() {   wifi_ssid = preferences.getString("WIFI_SSID");   wifi_password = preferences.getString("WIFI_PASSWD"); /*Serial.print("WIFI-SSID: ");   M5.Lcd.print("WIFI-SSID: ");   Serial.println(wifi_ssid);   M5.Lcd.println(wifi_ssid);   Serial.print("WIFI-PASSWD: ");   M5.Lcd.print("WIFI-PASSWD: ");   Serial.println(wifi_password);   M5.Lcd.println(wifi_password);*/   WiFi.begin(wifi_ssid.c_str(), wifi_password.c_str()); if(wifi_ssid.length() > 0) { return true; } else { return false; } }  boolean checkConnection() { int count = 0;   Serial.print("Waiting for Wi-Fi connection");   M5.Lcd.fillScreen(BLACK);   M5.Lcd.setCursor(50, 100);   M5.Lcd.setTextColor(WHITE);   M5.Lcd.setTextSize(3);   M5.Lcd.printf("Connecting..."); //M5.Lcd.print("Waiting for Wi-Fi connection"); while ( count < 30 ) { if (WiFi.status() == WL_CONNECTED) {       Serial.println(); //M5.Lcd.println();       Serial.println("Connected!"); //M5.Lcd.println("Connected!");       M5.Lcd.fillScreen(BLACK);       M5.Lcd.setCursor(50, 100);       M5.Lcd.setTextColor(WHITE);       M5.Lcd.setTextSize(3);       M5.Lcd.printf("Connected!"); return true; } delay(500);     Serial.print("."); //M5.Lcd.print(".");     M5.Lcd.fillRect(10, 200, 300, 40, BLACK);     M5.Lcd.fillRect(10 + count * 5, 200, 300 - count * 10, 40, GREEN);     count++; }   Serial.println("Timed out."); //M5.Lcd.println("Timed out.");   M5.Lcd.fillScreen(BLACK);   M5.Lcd.setCursor(50, 100);   M5.Lcd.setTextColor(WHITE);   M5.Lcd.setTextSize(3);   M5.Lcd.printf("Timed out."); return false; } void startWebServer() { if (settingMode) {     Serial.print("Starting Web Server at "); //M5.Lcd.print("Starting Web Server at ");     Serial.println(WiFi.softAPIP()); //M5.Lcd.println(WiFi.softAPIP());     webServer.on("/settings", []() {       String s = "<h1 style="text-align: center">Wi-Fi Settings</h1><hr>";       s += "<form method="get" action="setap" style="text-align: center"><label>SSID: </label><select name="ssid">";       s += ssidList;       s += "</select><br><br>Password: <input name="pass" length=64 type="password"><input type="submit"></form>";       webServer.send(200, "text/html", makePage("Wi-Fi Settings", s)); });     webServer.on("/setap", []() {       String ssid = urlDecode(webServer.arg("ssid"));       Serial.print("SSID: "); //M5.Lcd.print("SSID: ");       Serial.println(ssid); //M5.Lcd.println(ssid);       String pass = urlDecode(webServer.arg("pass"));       Serial.print("Password: "); //M5.Lcd.print("Password: ");       Serial.println(pass); //M5.Lcd.println(pass);       Serial.println("Writing SSID to EEPROM..."); //M5.Lcd.println("Writing SSID to EEPROM..."); // Store wifi config       Serial.println("Writing Password to nvr..."); //M5.Lcd.println("Writing Password to nvr...");       preferences.putString("WIFI_SSID", ssid);       preferences.putString("WIFI_PASSWD", pass);        Serial.println("Write nvr done!"); //M5.Lcd.println("Write nvr done!");       String s = "<h1 style="text-align: center">Setup complete!</h1 style="text-align: center"><p style="text-align: center">device will be connected to "";       s += ssid;       s += "" after the restart.";       webServer.send(200, "text/html", makePage("Wi-Fi Settings", s)); delay(3000);       ESP.restart(); });     webServer.onNotFound([]() {       String s = "<h1 style="text-align: center">M5GO</h1><p style="text-align: center"><a href="/settings">Wi-Fi Settings</a></p>";       webServer.send(200, "text/html", makePage("M5GO", s)); }); } else {     Serial.print("Starting Web Server at "); //M5.Lcd.print("Starting Web Server at ");     Serial.println(WiFi.localIP()); //M5.Lcd.println(WiFi.localIP());     M5.Lcd.fillScreen(WHITE);     M5.Lcd.setCursor(0, 20);     M5.Lcd.setTextColor(BLACK);     M5.Lcd.setTextSize(3);     M5.Lcd.printf(" Enjoy");     M5.Lcd.setTextSize(2);     M5.Lcd.printf("nn the Life.");     M5.Lcd.qrcode(WiFi.localIP().toString(), 160, 80, 160, 6);     webServer.on("/", []() {       String s = "<h1 style="text-align: center">Connected!</h1><h3 style="text-align: center"><a href="/poweron">Power On</a></h3><h3 style="text-align: center"><a href="/poweroff">Power Off</a></h3><h3 style="text-align: center"><a href="/automode">Auto Mode</a></h3><p style="text-align: center"><a href="/reset">Reset WiFi</a></p>";       webServer.send(200, "text/html", makePage("M5GO", s)); });     webServer.on("/poweron", []() {       irsend.sendRaw(powerOnData, 73, 38); for (int i = 0; i < PIXELNUM; i++) {         pixels.setPixelColor(i, pixels.Color(0, 200, 0));          pixels.show(); }       autoMode = false;       autoState = 0;       String s = "<meta http-equiv="refresh" content="0;url=https://192.168.137.18/">";       webServer.send(200, "text/html", makePage("M5GO", s)); });     webServer.on("/poweroff", []() {       irsend.sendRaw(powerOffData, 73, 38); for (int i = 0; i < PIXELNUM; i++) {         pixels.setPixelColor(i, pixels.Color(0, 0, 0));          pixels.show(); }       autoMode = false;       autoState = 0;       String s = "<meta http-equiv="refresh" content="0;url=https://192.168.137.18/">";       webServer.send(200, "text/html", makePage("M5GO", s)); });     webServer.on("/automode", []() { for (int i = 0; i < PIXELNUM; i++) {         pixels.setPixelColor(i, pixels.Color(20, 20, 160));          pixels.show(); }       autoMode = true;       String s = "<meta http-equiv="refresh" content="1;url=https://192.168.137.18/">";       webServer.send(200, "text/html", makePage("M5GO", s)); });     webServer.on("/reset", []() { // reset the wifi config       preferences.remove("WIFI_SSID");       preferences.remove("WIFI_PASSWD");       String s = "<h1 style="text-align: center">Wi-Fi settings was reset.</h1><p style="text-align: center">device will restart.</p>";       webServer.send(200, "text/html", makePage("Reset Wi-Fi Settings", s)); delay(3000);       ESP.restart(); }); }   webServer.begin(); } void setupMode() {   WiFi.mode(WIFI_MODE_STA);   WiFi.disconnect(); delay(100); int n = WiFi.scanNetworks(); delay(100);   Serial.println(""); //M5.Lcd.println(""); for (int i = 0; i < n; ++i) {     ssidList += "<option value="";     ssidList += WiFi.SSID(i);     ssidList += "">";     ssidList += WiFi.SSID(i);     ssidList += "</option>"; } delay(100);   WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));   WiFi.softAP(apSSID);   WiFi.mode(WIFI_MODE_AP); // WiFi.softAPConfig(IPAddress local_ip, IPAddress gateway, IPAddress subnet); // WiFi.softAP(const char* ssid, const char* passphrase = NULL, int channel = 1, int ssid_hidden = 0); // dnsServer.start(53, "*", apIP); startWebServer();   Serial.print("Starting Access Point at ""); //M5.Lcd.print("Starting Access Point at "");   M5.Lcd.fillScreen(WHITE);   M5.Lcd.setCursor(0, 20);   M5.Lcd.setTextColor(BLACK);   M5.Lcd.setTextSize(2);   M5.Lcd.printf(" Connectnn ");   M5.Lcd.setTextSize(3);   M5.Lcd.printf(apSSID);   M5.Lcd.println("");   M5.Lcd.setTextSize(2);   M5.Lcd.printf("n and Scan n QRCode");   Serial.print(apSSID); //M5.Lcd.print(apSSID);   Serial.println("""); //M5.Lcd.println(""");   M5.Lcd.qrcode(apIP.toString(), 160, 80, 160, 6); }  String makePage(String title, String contents) {   String s = "<!DOCTYPE html><html><head>";   s += "<meta name="viewport" content="width=device-width,user-scalable=0">";   s += "<title>";   s += title;   s += "</title></head><body>";   s += contents;   s += "</body></html>"; return s; }  String urlDecode(String input) {   String s = input;   s.replace("%20", " ");   s.replace("+", " ");   s.replace("%21", "!");   s.replace("%22", """);   s.replace("%23", "#");   s.replace("%24", "$");   s.replace("%25", "%");   s.replace("%26", "&");   s.replace("%27", "'");   s.replace("%28", "(");   s.replace("%29", ")");   s.replace("%30", "*");   s.replace("%31", "+");   s.replace("%2C", ",");   s.replace("%2E", ".");   s.replace("%2F", "/");   s.replace("%2C", ",");   s.replace("%3A", ":");   s.replace("%3A", ";");   s.replace("%3C", "<");   s.replace("%3D", "=");   s.replace("%3E", ">");   s.replace("%3F", "?");   s.replace("%40", "@");   s.replace("%5B", "[");   s.replace("%5C", "\");   s.replace("%5D", "]");   s.replace("%5E", "^");   s.replace("%5F", "-");   s.replace("%60", "`"); return s; } 

还有头文件的相关文件；
大家可以到GitHub上下载https://github.com/xiang1578/sleep-helper
或者在ImapBox上下载资源；