151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
//Includes
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#include <ESP8266WiFi.h>
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#include <ESP8266HTTPClient.h>
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#include <ArduinoJson.h>
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//Variables
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const char* ssid = "";
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const char* pasw = "";
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const char* hwId = "";
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const char* server = "http://dev.steelants.cz/vasek/home/api.php";
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int unsuccessfulRounds = 0; //Unsucesful atmpt counter
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int lastState = 0;
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//Pins
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#define SONOFF 12
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#define SONOFF_LED 13
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#define SONOFF_BUT 0
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void setup() {
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Serial.begin(9600);
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while (!Serial) continue;
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delay(10);
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Serial.println('\n');
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Serial.println("HW: " + String(hwId));
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pinMode(SONOFF, OUTPUT);
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pinMode(SONOFF_LED, OUTPUT);
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pinMode(SONOFF_BUT, INPUT);
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WiFi.persistent(false);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, pasw);
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checkConnection();
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Serial.println('\n');
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Serial.println("Connection established!");
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Serial.print("IP address:");
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Serial.println(WiFi.localIP());
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Serial.print("MAC address:");
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Serial.println(WiFi.macAddress());
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}
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void loop() {
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StaticJsonDocument<250> jsonContent;
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jsonContent["token"] = hwId;
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if (!digitalRead(SONOFF_BUT)){
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jsonContent["values"]["on/off"]["value"] = (int) !lastState;
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if (!lastState == 1) {
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digitalWrite(SONOFF, HIGH);
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} else if (!lastState == 0){
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digitalWrite(SONOFF, LOW);
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}
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while(!digitalRead(SONOFF_BUT)) {
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delay(100);
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}
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}
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String requestJson = "";
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serializeJson(jsonContent, requestJson);
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Serial.println("JSON: " + requestJson);
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//HTTP CLIENT
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HTTPClient http;
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http.begin(server);
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http.addHeader("Content-Type", "text/plain"); //Specify content-type header
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int httpCode = http.POST(requestJson);
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String payload = http.getString(); //Get the response payload
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http.end();
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Serial.println("HTTP CODE: " + String(httpCode) + ""); //Print HTTP return code
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Serial.println("HTTP BODY: " + String(payload) + ""); //Print request response payload
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DeserializationError error = deserializeJson(jsonContent, payload);
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//configuration setup
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String hostName = jsonContent["device"]["hostname"];
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String ipAddress = jsonContent["device"]["ipAddress"];
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String gateway = jsonContent["device"]["gateway"];
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String subnet = jsonContent["device"]["subnet"];
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String requestState = jsonContent["state"];
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int state = jsonContent["value"];
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if (requestState != "succes") {
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unsuccessfulRounds++;
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Serial.println("UNSUCCESSFUL ROUND NUMBER " + String(unsuccessfulRounds) + "FROM 5");
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} else if (requestState == "succes") {
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unsuccessfulRounds = 0;
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}
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//Set static ip
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setStaticIp(ipAddress, gateway, subnet);
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WiFi.hostname(hostName);
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if(unsuccessfulRounds == 5) {
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Serial.println("RESTARTING ESP");
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ESP.restart();
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}
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if (state != lastState){
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if (state == 1 && lastState == 0) {
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Serial.println("ON");
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digitalWrite(SONOFF, HIGH); // Turn the LED on by making the voltage LOW
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} else {
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Serial.println("OFF");
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digitalWrite(SONOFF, LOW); // Turn the LED on by making the voltage LOW
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}
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}
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lastState = state;
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}
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bool checkConnection() {
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int count = 0;
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Serial.print("Waiting for Wi-Fi connection");
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while ( count < 30 ) {
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if (WiFi.status() == WL_CONNECTED) {
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Serial.println();
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Serial.println("Connected!");
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return (true);
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}
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digitalWrite(SONOFF, HIGH);
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delay(250);
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digitalWrite(SONOFF, HIGH);
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delay(250);
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Serial.print(".");
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count++;
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}
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Serial.println("Timed out.");
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return false;
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}
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void setStaticIp(String ipAddress, String subnet, String gateway){
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//Set static ip
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IPAddress staticIpAddress;
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IPAddress subnetIpAddress;
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IPAddress gatewayIpAddress;
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if (
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staticIpAddress.fromString(ipAddress) &&
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subnetIpAddress.fromString(subnet) &&
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gatewayIpAddress.fromString(gateway) &&
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WiFi.localIP() != staticIpAddress
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) {
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WiFi.config(staticIpAddress, subnetIpAddress, gatewayIpAddress);
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Serial.print("STATIC IP address:");
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Serial.println(WiFi.localIP());
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}
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}
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