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ESP_with_P5js_WiFi.ino
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ESP_with_P5js_WiFi.ino
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//by camper0s
//////////////////////////////////////////////////////////////////////////html
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML><html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.6.0/p5.js"></script>
<script type="text/javascript">
/////////////////////////////////////////////////////////////////////Processing P5.js
let source
let arduVal1
let arduVal2
let p5
let rot
let interval
let previousMillis
let adc
let state
let xhr
function setup() {
createCanvas(700, 700);
r = random(255);
g = random(255);
b = random(255);
textAlign(CENTER);
textSize(width/30);
rot = 0;
p5 = 0;
arduVal1 = 0;
arduVal2 = 0;
interval = 4000;
previousMillis = 0;
source = 0
adc=0;
stat=0;
let xhr = 0;
}
function draw() {
let currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
source = new EventSource('/events');
source.addEventListener('newVal', function(e) {
const obj = JSON.parse(e.data);
arduVal1 = obj.out1.toFixed(2); // toFixed(2) = 2 decimal
arduVal2 = obj.out2;
});
previousMillis = currentMillis;
}
background(200,50,20);
noStroke();
fill(20,20,255);
text ("from ardu1 (5s)", width/4, width/14);
text (arduVal1, width/4, width/9);
text ("from ardu2 (5s)", width/1.5, width/14);
text (arduVal2, width/1.5, width/9);
strokeWeight(2);
stroke(r, g, b);
fill(r, g, b, 127);
ellipse(width/2, width/2, width/3.6, width/3.6);
push();
translate(width / 2, width / 2);
fill(0,255,0);
rot = rot+1;
rotate(radians(rot));
rect(-26, -26, 52, 52);
pop();
stroke(255,255,0);
text ("clickMe", width/2, width/2);
}
function mousePressed() {
// Check if mouse is inside the circle
let d = dist(mouseX, mouseY, width/2, width/2);
if (d < 100) {
// Pick new random color values
r = random(255);
g = random(255);
b = random(255);
stat=1;
}
else if(d > 100 )
{
stat=0;
}
if (stat == 1) {
adc=1;
xhr = new XMLHttpRequest();
xhr.open("GET", "/update?output="+adc+"&state=0", true);
xhr.send();
}
else if(stat == 0)
{
adc=0;
xhr = new XMLHttpRequest();
xhr.open("GET", "/update?output="+adc+"&state=0", true);
xhr.send();
}
}
////////////////////////////////////////////////////////////////////////html
</script>
</html>)rawliteral";
////////////////////////////////////////////////////////////////////arduino esp826
#include <ESP8266WiFi.h>
#include "ESPAsyncWebServer.h"
#include "ESPAsyncTCP.h"
#include <Arduino_JSON.h>
const char *ssid = "xxxxxxxxxzz";
const char *password = "xxzxzxxxxxxx";
float ardu1;
int ardu2;
unsigned long previousMillis = 0;
const long interval = 5000;
const char *in1 = "output";
const char *in2 = "state";
String inputMessage1;
String inputMessage2;
AsyncWebServer server(80);
AsyncEventSource events("/events");
void setup() {
Serial.begin(115200);
pinMode(LED_BUILTIN, OUTPUT);
WiFi.mode(WIFI_AP_STA);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Setting as a Wi-Fi Station..");
}
Serial.print("Station IP Address: ");
Serial.println(WiFi.localIP());
Serial.print("Wi-Fi Channel: ");
Serial.println(WiFi.channel());
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send_P(200, "text/html", index_html);
});
server.on("/update", HTTP_GET, [](AsyncWebServerRequest *request) {
inputMessage1 = request->getParam(in1)->value();
inputMessage2 = request->getParam(in2)->value();
Serial.print("GPIO: ");
Serial.print(inputMessage1);
Serial.print(" - Set to: ");
Serial.println(inputMessage2);
request->send(200, "text/plain", "OK");
});
server.addHandler(&events);
server.begin();
delay(4000);
}
void loop() {
unsigned long currentMillis = millis();
ardu1 = ardu1 + 0.01;
ardu2 = random(1, 1234);
JSONVar myVal;
myVal["out1"] = ardu1;
myVal["out2"] = ardu2;
String jsonStr = JSON.stringify(myVal);
if (currentMillis - previousMillis >= interval) {
events.send(jsonStr.c_str(), "newVal", millis(), 1);
events.send("ping", NULL, millis(), 1);
previousMillis = currentMillis;
}
if (inputMessage1.toInt() == 0) {
digitalWrite(LED_BUILTIN, HIGH);
} else if (inputMessage1.toInt() == 1) {
digitalWrite(LED_BUILTIN, LOW);
}
}