103 lines
2.4 KiB
Arduino
103 lines
2.4 KiB
Arduino
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/*
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* This sketch sends random data over UDP on a ESP32 device
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*
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*/
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#include <WiFi.h>
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#include <WiFiUdp.h>
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#define id 4
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// WiFi network name and password:
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const char * networkName = "Musica_para_electroimanes";
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const char * networkPswd = "magnetic";
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//const char * networkName = "HANGAR_convidats";
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//const char * networkPswd = "convidatsHANGAR";
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//IP address to send UDP data to:
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// either use the ip address of the server or
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// a network broadcast address
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const char * udpAddress = "192.168.4.255";
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//const char * udpAddress = "172.24.7.106";
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unsigned int udpPort[7] = { 2345, 2346, 2347, 2348, 2349, 2350, 2351 }; // TO SET SENDING PORT PLAYER
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//Are we currently connected?
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boolean connected = false;
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//The udp library class
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WiFiUDP udp;
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void setup(){
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// Initilize hardware serial:
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Serial.begin(2000000);
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pinMode(13, OUTPUT);
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digitalWrite(13, LOW);
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//Connect to the WiFi network
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connectToWiFi(networkName, networkPswd);
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}
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char buffer[2] = "0";
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unsigned long time_off = millis();
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boolean state = false;
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void on_solenoide()
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{
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//Serial.println("Hola");
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time_off = millis();
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state = true;
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digitalWrite(13, HIGH);
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}
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void off_solenoide()
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{
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//Serial.println("adios");
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state = false;
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digitalWrite(13, LOW);
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}
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void loop(){
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if (((millis()-time_off)>50)&&(state==true)) off_solenoide();
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memset(buffer, 0, 1);
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udp.parsePacket();
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if(udp.read(buffer, 1) > 0){
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if (buffer[0]=='1') on_solenoide();
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}
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}
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void connectToWiFi(const char * ssid, const char * pwd){
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Serial.println("Connecting to WiFi network: " + String(ssid));
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// delete old config
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WiFi.disconnect(true);
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//register event handler
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WiFi.onEvent(WiFiEvent);
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//Initiate connection
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WiFi.begin(ssid, pwd);
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Serial.println("Waiting for WIFI connection...");
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}
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//wifi event handler
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void WiFiEvent(WiFiEvent_t event){
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switch(event) {
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case SYSTEM_EVENT_STA_GOT_IP:
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//When connected set
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Serial.print("WiFi connected! IP address: ");
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Serial.println(WiFi.localIP());
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//initializes the UDP state
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//This initializes the transfer buffer
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udp.begin(WiFi.localIP(),udpPort[id]);
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connected = true;
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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Serial.println("WiFi lost connection");
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connected = false;
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break;
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}
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}
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