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131 lines
3.2 KiB
C++

// librarys
#include <WiFi.h>
#include <HTTPClient.h>
// network credentials
const char* ssid = "<your SSID>";
const char* password = "<your WiFi password>";
// URL for the HTTP requests
const String baseurl = "http://10.10.10.10:1880";
// define pins
const int pinsout[] = {23,22,19,18,5,4};
const int pinsout_length = 6;
boolean pinsout_stat[6];
const int pinsin[] = {21,17,16,0,2};
const int pinsin_length = 5;
boolean pinsin_stat[5];
// server port
WiFiServer server(80);
// HTTP request
String header;
// define timeout
unsigned long currentTime = millis();
unsigned long previousTime = 0;
const long timeoutTime = 2000;
void setup() {
Serial.begin(115200);
for (int i=0; i < pinsout_length; i++){
pinMode(pinsout[i], OUTPUT);
digitalWrite(pinsout[i], LOW);
}
// connect to Wi-Fi
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}
void loop(){
WiFiClient client = server.available();
if (client) {
currentTime = millis();
previousTime = currentTime;
Serial.println("New Client.");
String currentLine = "";
while (client.connected() && currentTime - previousTime <= timeoutTime) {
currentTime = millis();
if (client.available()) {
char c = client.read();
Serial.write(c);
header += c;
if (c == '\n') {
if (currentLine.length() == 0) {
client.println("HTTP/1.1 200 OK");
client.println("Content-type:application/json");
client.println("Connection: close");
client.println();
for (int i=0; i<pinsout_length; i++){
if (header.indexOf(String(i)+"/on") >= 0){
digitalWrite(pinsout[i], HIGH);
pinsout_stat[i] = true;
}else if (header.indexOf(String(i)+"/off") >= 0){
digitalWrite(pinsout[i], LOW);
pinsout_stat[i] = false;
}
}
client.print(pinsToJson());
client.println();
break;
} else {
currentLine = "";
}
} else if (c != '\r') {
currentLine += c;
}
}
}
header = "";
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
for (int i=0; i < pinsin_length; i++){
if (pinsin_stat[i] != digitalRead(pinsin[i])){
pinsin_stat[i] = digitalRead(pinsin[i]);
HTTPClient http;
http.begin(baseurl+"/"+i+"/"+pinsin_stat[i]);
http.addHeader("Content-Type", "application/json");
while(!http.POST(pinsToJson()));
http.end();
}
}
}
String pinsToJson(){
String payload = "{\"pinsout\":[";
for (int i=0; i<pinsout_length-1; i++){
payload+=String(pinsout_stat[i])+",";
}
payload+=String(pinsout_stat[pinsout_length-1]);
payload+="],\"pinsin\":[";
for (int i=0; i<pinsin_length-1; i++){
payload+=String(pinsin_stat[i])+",";
}
payload+=String(pinsin_stat[pinsin_length-1]);
payload+="]}";
return payload;
}