je tente de contrôler mon scketch processing avec la lumière, utilisant une LDR connectée à ma platforme arduino. Le code général fonctionne mais je dois sans cesse changer des valeurs reçue pour le mapping car le niveau de lumière change constamment.
J'aimerais donc savoir comment enregistrer des informations venant d'arduino pour communiquer à processing le niveau le plus élévé et le plus bas de lumière. Je ne sais pas si cette demande est claire donc je tape le code, histoire de me faire comprendre....

PROCESSING :

import processing.serial.*; //import information from the arduino

int delayValue=0; //variable for delayValue
int min_value=0; //variable for the lowest level of light
int max_value=0; //varaible for the highest level of light

Serial myPort;  //Chose the prot for communication with arduino

PenroseLSystem ds; //call PenroseLSystem class

void setup()
{
  size(360,640); //size of the window
  stroke(255);  //colour of the line
  ds = new PenroseLSystem(); //call a new PenroseLSystem each time draw
  ds.simulate(5); //size of the overall graphic

  println(Serial.list()); //print the list of port avaible
  myPort = new Serial(this, Serial.list()[1], 9600); //chose the port for communication
  myPort.bufferUntil('\n'); //don't generate a serial event unless you get a new line character
}





void serialEvent (Serial myPort) {
  String inString = myPort.readStringUntil('\n'); //get the ascii string (information code from arduino)
 
  if (keyPressed) {
    if(key==CONTROL){
      inString=trim(inString);
      float a=Float.parseFloat(inString);
      max_value=(int)a;
    }
    if(key==ALT){               //if the alt key is pressed the value obtained id the highest one.
      inString=trim(inString);
      float a=Float.parseFloat(inString);
      min_value=(int)a;
    }   
  }
  if (inString != null) {      //if there's string information coming...

    inString = trim(inString);
    float a = Float.parseFloat(inString); //translate them in float number...
    float b = map(a, min_value, max_value, 0, 1000); //map the lowest and highest number obtained to the highest and lowest delay Value
    delayValue = (int)b;       //translate the values obtained in int number and apply it to delayValue

  }

}


void draw()
{
  background(0);      //black background
  translate(100,250);  //translate the overall graphic to fit it to the window
  ds.render();         //draw from LSystem and PenroseLSystem code
  println (delayValue); //print the delay Value
  delay(delayValue);  //apply the int delayValue to freeze the program
}

ARDUINO :

void setup() {
// initialize the serial communication:
  Serial.begin(9600);
}

void loop() {
  // send the value of analog input 0:
  Serial.println(analogRead(0));
  // wait a bit for the analog-to-digital converter
  // to stabilize after the last reading:
  delay(10);
}

aidez moi.....