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151 lines
4.9 KiB
151 lines
4.9 KiB
#include <ESP8266WiFi.h> |
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#include <ESP8266WebServer.h> |
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#include <FS.h> |
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ESP8266WebServer server ( 80 ); |
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String ssid = "yimian-iot"; //你的wifi热点名称 |
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String password = "1234567890."; //你的wifi热点密码 |
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int disCntCount=0; |
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String getContentType(String filename){ |
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if(server.hasArg("download")) return "application/octet-stream"; |
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else if(filename.endsWith(".htm")) return "text/html"; |
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else if(filename.endsWith(".html")) return "text/html"; |
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else if(filename.endsWith(".css")) return "text/css"; |
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else if(filename.endsWith(".js")) return "application/javascript"; |
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else if(filename.endsWith(".png")) return "image/png"; |
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else if(filename.endsWith(".gif")) return "image/gif"; |
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else if(filename.endsWith(".jpg")) return "image/jpeg"; |
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else if(filename.endsWith(".ico")) return "image/x-icon"; |
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else if(filename.endsWith(".xml")) return "text/xml"; |
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else if(filename.endsWith(".pdf")) return "application/x-pdf"; |
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else if(filename.endsWith(".zip")) return "application/x-zip"; |
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else if(filename.endsWith(".gz")) return "application/x-gzip"; |
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return "text/plain"; |
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} |
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/* wifi 连接 */ |
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void wifiCnct() { |
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int connectCount = 0; |
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WiFi.begin ( ssid.c_str(), password.c_str() ); |
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while ( WiFi.status() != WL_CONNECTED ) { |
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digitalWrite(2, HIGH); |
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delay ( 1000 ); |
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Serial.print ( "." ); |
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if(connectCount > 30) { |
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Serial.println( "Connect fail!" ); |
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break; |
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} |
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connectCount += 1; |
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} |
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if(WiFi.status() == WL_CONNECTED) { |
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Serial.println ( "" ); |
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Serial.print ( "Connected to " ); |
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Serial.println ( ssid ); |
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Serial.print ( "IP address: " ); |
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Serial.println ( WiFi.localIP() ); |
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connectCount = 0; |
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digitalWrite(2, LOW); |
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} |
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} |
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/* NotFound处理 */ |
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void handleNotFound() { |
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String path = server.uri(); |
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Serial.print("load url:"); |
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Serial.println(path); |
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String contentType = getContentType(path); |
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String pathWithGz = path + ".gz"; |
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if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){ |
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if(SPIFFS.exists(pathWithGz)) |
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path += ".gz"; |
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File file = SPIFFS.open(path, "r"); |
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size_t sent = server.streamFile(file, contentType); |
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file.close(); |
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return; |
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} |
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String message = "File Not Found\n\n"; |
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message += "URI: "; |
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message += server.uri(); |
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message += "\nMethod: "; |
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message += ( server.method() == HTTP_GET ) ? "GET" : "POST"; |
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message += "\nArguments: "; |
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message += server.args(); |
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message += "\n"; |
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for ( uint8_t i = 0; i < server.args(); i++ ) { |
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message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n"; |
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} |
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server.send ( 404, "text/plain", message ); |
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} |
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/* index提示页面 */ |
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void handleMain() { |
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Serial.print("handleMain"); |
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File file = SPIFFS.open("/index.html", "r"); |
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size_t sent = server.streamFile(file, "text/html"); |
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file.close(); |
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return; |
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} |
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/* data提取url */ |
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void handleData() { |
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Serial.print("handleData"); |
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char cmd[135]; |
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sprintf(cmd,"{\"D0\":\"%d\",\"D1\":\"%d\",\"D2\":\"%d\",\"D3\":\"%d\",\"D4\":\"%d\",\"D5\":\"%d\",\"D6\":\"%d\",\"D7\":\"%d\",\"D8\":\"%d\",\"D9\":\"%d\",\"D10\":\"%d\",\"D11\":\"%d\",\"D12\":\"%d\",\"D13\":\"%d\",\"A0\":\"%f\"}",digitalRead(D0),digitalRead(D1),digitalRead(D2),digitalRead(D3),digitalRead(D4),digitalRead(D5),digitalRead(D6),digitalRead(D7),digitalRead(D8),digitalRead(D9),digitalRead(D10),digitalRead(D11),digitalRead(D12),digitalRead(D13),analogRead(A0)); |
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File file = SPIFFS.open("/data.json","w+"); |
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if (!file) { |
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Serial.println("There was an error opening the file for writing"); |
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return; |
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} |
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if (file.print(cmd)) { |
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Serial.println("File was written"); |
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} else { |
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Serial.println("File write failed"); |
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} |
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file.close(); |
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file = SPIFFS.open("/data.json","r"); |
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size_t sent = server.streamFile(file, "application/json"); |
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file.close(); |
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return; |
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} |
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/* execute url */ |
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void handlePin() { |
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if(server.hasArg("p")) { |
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String pin = server.arg("p"); |
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if(server.hasArg("a")) { |
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String action = server.arg("a"); |
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if(action == "high") { //a=on |
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digitalWrite(atoi(pin.c_str()), HIGH); //抬高电平 |
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server.send ( 200, "application/json", "{\"code\":\"2\",\"state\":\"HIGH\"}"); return; //返回数据 |
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} else if(action == "low") { // a=off |
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digitalWrite(atoi(pin.c_str()), LOW); //拉低电平 |
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server.send ( 200, "application/json", "{\"code\":\"1\",\"state\":\"LOW\"}"); return; |
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} |
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server.send ( 200, "application/json", "{\"code\":\"-1\",\"state\":\"UNKNOW ACTION!\"}"); return; |
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} |
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server.send ( 200, "application/json", "{\"code\":\"-2\",\"state\":\"ACTION NO FOUND!\"}"); |
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} |
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} |
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void setup() { |
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pinMode(2, OUTPUT); |
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Serial.begin ( 115200 ); |
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SPIFFS.begin(); |
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wifiCnct(); |
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server.on ("/", handleMain); |
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server.on ("/ctl", handlePin); |
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server.on ("/data", HTTP_GET, handleData); |
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server.onNotFound ( handleNotFound ); |
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server.begin(); |
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Serial.println ( "HTTP server started" ); |
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} |
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void loop() { |
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server.handleClient(); |
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if( WiFi.status() != WL_CONNECTED&&disCntCount++>6) wifiCnct(); |
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if( WiFi.status()==WL_CONNECTED ) disCntCount=0; |
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}
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