标题: processing从串口读数据 [打印本页]

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作者: 51hei小林    时间: 2016-9-24 22:58
标题: processing从串口读数据






float px = 0.0;import processing.serial.*;
Serial port;
float val;

void setup(){
size(440,220);
fill(255,20,50);
println(Serial.list());
String arduinoPort = Serial.list()[1];
port = new Serial(this,arduinoPort,9600);
}

void draw(){
  background(0);
  stroke(255);
  if(port.available()>0){
    val = port.read();
    val= map(val,0,255,0,height);
  }   
  rect(40,val-10,360,20);
}


/*
int sensorPin = A0;
int val = 0;
void setup(){
  Serial.begin(9600);
  }

void loop(){
   val = analogRead(sensorPin);
   val = map(val,0,1023,0,255);
   Serial.write(val);
   //Serial.println();
   //Serial.println(val);
   delay(100);
}

*/






import processing.serial.*;
Serial port;
float val;
int x;
float easing = 0.05;
float easedVal;

void setup(){
size(440,440);
frameRate(30);
smooth();
fill(255,20,50);
println(Serial.list());
String arduinoPort = Serial.list()[1];
port = new Serial(this,arduinoPort,9600);
background(0);
}

void draw(){  

  if(port.available()>0){
    val = port.read();
    val= map(val,0,255,0,height);
  }   
  float targetVal = val;easedVal += (targetVal-easedVal) * easing;


  stroke(0);
  line(x,0,x,height);
  stroke(255);
  line(x+1,0,x+1,height);
  line(x,220,x,val);
  line(x,440,x,easedVal+220);
  x++;
  if(x>width){
    x =0;
  }  
}


/*
int sensorPin = A0;
int val = 0;
void setup(){
  Serial.begin(9600);
  }

void loop(){
   val = analogRead(sensorPin);
   val = map(val,0,1023,0,255);
   Serial.write(val);
   //Serial.println();
   //Serial.println(val);
   delay(100);
}

*/





import processing.serial.*;
Serial port;
float val;
float angle;
float radius;

void setup(){
size(440,440);
frameRate(30);
smooth();
strokeWeight(2);
fill(255,20,50);
println(Serial.list());
String arduinoPort = Serial.list()[1];
port = new Serial(this,arduinoPort,9600);
background(0);
}

void draw(){  

  if(port.available()>0){
    val = port.read();
    radius = map(val,0,255,0,height*0.45);
  }   
    int middleX = width/2;
    int middleY = height/2;
    float x = middleX +cos(angle)*height/2;
    float y = middleY + sin(angle)*height/2;
    stroke(0);
    line(middleX,middleY,x,y);

    x = middleX +cos(angle)*radius;
    y = middleY + sin(angle)*radius;
    stroke(255);
    line(middleX,middleY,x,y);
    angle += 0.01;
}


/*
int sensorPin = A0;
int val = 0;
void setup(){
  Serial.begin(9600);
  }

void loop(){
   val = analogRead(sensorPin);
   val = map(val,0,1023,0,255);
   Serial.write(val);
   //Serial.println();
   //Serial.println(val);
   delay(100);
}

*/

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