import

README.md

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+Webcam2minitel by tetalab :
+
+www.tetalab.org

minitel_software_serial_cam_final.pde

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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);
+} 

video2minitelteletPerso_goodV4_3.pde

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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);
+ }
+}
+