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brice 2014-12-10 13:25:49 +01:00
当前提交 26513ceb65
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3
README.md 普通文件
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Webcam2minitel by tetalab :
www.tetalab.org

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#include <NewSoftSerial.h>
NewSoftSerial mySerial(6, 7);
void setup() {
Serial.begin(1200); // port serie vers le PC
mySerial.begin(1200); // port serie vers le minitel
mySerial.print(12,BYTE); //efface l'écran
serialprint7(0x0E); // passe en mode graphique
}
void serialprint7(byte b) // permet d'ecrire en 7 bits + parité sur le software serial
{
boolean i = false;
for(int j = 0; j<8;j++)
{
if (bitRead(b,j)==1) i =!i; //calcul de la parité
}
if (i) bitWrite(b,7,1); //ecriture de la partié
else bitWrite(b,7,0);//ecriture de la partié
mySerial.print(b);//ecriture du byte sur le software serial
}
void loop() //tout ce que je recois sur le port serie, je le renvoi sur le software serial
{
byte b =255;
while (b == 255)
{
b = Serial.read();
}
serialprint7(b);
}

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//Video2Minitel
//by Renaud, Fabrice & Phil
//Inspired from Video2ledwallHarpSerial V1.0 by Fabrice Fourc
// http://www.tetalab.org
import processing.video.*;
import processing.net.*;
int plage=44;//256;
int MINITEL_CHAR_WIDTH = 40;//*2;
int MINITEL_CHAR_HEIGHT = 24;//*4;
// en fait ce n'est pas vraiment un pixel par pixel char...
int PIXEL_CHAR_WIDTH = 2;
int PIXEL_CHAR_HEIGHT = 3;
// Size of each cell in the grid, ratio of window size to video size
int videoScale = 10;
int videoScalex = 8;
int videoScaley = 6;
// Number of columns and rows in our system
int cols, rows;
// Variable to hold onto Capture object
public int s = 50;
import processing.serial.*;
// The serial port:
Serial myPort;
//luminosite globale de la colone pour le son
int colValue;
String ledCol;
String ledWallMsg;
//Client myClient;
Capture video;
void setup()
{
size(MINITEL_CHAR_WIDTH*PIXEL_CHAR_WIDTH*videoScalex,MINITEL_CHAR_HEIGHT*PIXEL_CHAR_HEIGHT*videoScaley);
frameRate(25);
// List all the available serial ports:
println(Serial.list());
// I know that the first port in the serial list on my mac
// is always my Keyspan adaptor, so I open Serial.list()[0].
// Open whatever port is the one you're using.
myPort = new Serial(this, Serial.list()[1], 1200);
//myClient = new Client(this, "127.0.0.1", 5204);
// Initialize columns and rows
cols = width/videoScalex;
rows = height/videoScaley;
video = new Capture(this,cols,rows,30);
}
//----------------------------------------------------------
void displayPixelChar2(int x, int y)
{
x= x *2;
y = y * 3;
byte carac=0; // caractère pixel
carac+=(Math.pow(2,0))*getG2(x+0,y+0);
carac+=(Math.pow(2,1))*getG2(x+1,y+0);
carac+=(Math.pow(2,2))*getG2(x+0,y+1);
carac+=(Math.pow(2,3))*getG2(x+1,y+1);
carac+=(Math.pow(2,4))*getG2(x+0,y+2);
carac+=(Math.pow(2,5))*1;
carac+=(Math.pow(2,6))*getG2(x+1,y+2);
myPort.write(carac);
println("carac= "+carac);
}
int getG2(int x,int y)
{
println("x + y*video.width" + (x + y*video.width));
color c = video.pixels[x + y*video.width];
int value = (int)brightness(c); // get the brightness
if (value<s)
{
return(0);
}
else
{
return(1);
}
}
void draw() {
// Read image from the camera
noStroke();
if (video.available())
{
video.read();
}
video.loadPixels();
if(!mousePressed) //si je ne clique pas, j'affiche le preview
{
image(video,0,0);
// Begin loop for columns
for (int i = 0; i < cols; i++)
{
// Begin loop for rows
for (int j = 0; j < rows; j++)
{
// Where are we, pixel-wise?
int x = i*videoScalex;
int y = j*videoScaley;
// Looking up the appropriate color in the pixel array
color c = video.pixels[i + j*video.width];
int value = (int)brightness(c); // get the brightness
if (value<s)
{
fill(0);
}
else
{
fill(255);
}
rect(x,y,videoScalex,videoScaley);
}
ledWallMsg += ledCol;
}
}
else //si je clique sur l'image j'envoi sur le port serie
{
myPort.write(12);
myPort.write(14);
for (int y=0;y<MINITEL_CHAR_HEIGHT;y++)
{
for (int x=0;x<MINITEL_CHAR_WIDTH;x++)
{
displayPixelChar2(x,y);
println("x= "+x+"y= "+y);
}
}
}
}
void keyPressed() //reglage du seuil (a-, z+)
{
if( key == 'a')
{
s = s - 1;
println("s " + s);
}
if ( key == 'z')
{
s = s + 1;
println("s " + s);
}
}