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Thema: Arduino und pal

  1. 22.03.2010, 19:54 #1
    Thomas$
    Thomas$ ist offline
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    Arduino und pal

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     E-Bike
    Hi eine frage an die PAl oder fbas experten und die bissel c kennen
    ich habe

    Code:
    //Arduino Tv framebuffer
//Alastair Parker
//2007

// Video out voltage levels
#define _SYNC 0x00
#define _BLACK 0x01
#define _GRAY 0x02
#define _WHITE 0x03

// dimensions of the screen
#define WIDTH 38
#define HEIGHT 14

//number of lines to display
#define DISPLAY_LINES 240

// update speed for the main loop of the game
#define UPDATE_INTERVAL 1

// positions of the player paddles
#define PLAYER_RIGHT_X 35
#define PLAYER_LEFT_X 2

// maximum velocity of the ball
#define MAX_VEL 10


//video pins
#define DATA_PIN 9
#define SYNC_PIN 8

// the video frameBuffer
byte frameBuffer[WIDTH][HEIGHT];

// loop indices
byte index, index2;

// pal video line loop
byte line;
// current drawing line in framebuffer
byte newLine;


// if the left player should be updated or the right

// if we should be waiting for something to happen
boolean waiting=true;
// if displaying the title
boolean showingTitle = true;

// value of the counter controlling the freq of updates
byte updateCounter=0;


// draw a pixel to the buffer
void setPixel(byte x,byte y)
{
frameBuffer[x][y]= _WHITE;
}

void grayPixel(byte x, byte y)
{
frameBuffer[x][y]= _GRAY;
}

// draw a black pixel to the buffer
void clearPixel(byte x,byte y)
{
frameBuffer[x][y]= _BLACK;
}

// draw a paddle
void drawPaddle(byte x,byte y,byte col)
{
frameBuffer[x][y]= col;
frameBuffer[x][y+1]= col;
}


//draw the title message
void drawArduinoPong()
{
//arduino
setPixel(7,3);
setPixel(8,3);
setPixel(15,3);
setPixel(21,3);
setPixel(6,4);
setPixel(8,4);
setPixel(14,4);
setPixel(15,4);
setPixel(28,4);
setPixel(6,5);
setPixel(7,5);
setPixel(8,5);
setPixel(10,5);
setPixel(11,5);
setPixel(13,5);
setPixel(15,5);
setPixel(17,5);
setPixel(19,5);
setPixel(21,5);
setPixel(23,5);
setPixel(24,5);
setPixel(27,5);
setPixel(29,5);
setPixel(6,6);
setPixel(8,6);
setPixel(10,6);
setPixel(14,6);
setPixel(15,6);
setPixel(18,6);
setPixel(19,6);
setPixel(21,6);
setPixel(23,6);
setPixel(25,6);
setPixel(28,6);

//pong
setPixel(10,8);
setPixel(11,8);
setPixel(15,8);
setPixel(16,8);
setPixel(19,8);
setPixel(22,8);
setPixel(24,8);
setPixel(25,8);
setPixel(26,8);
setPixel(10,9);
setPixel(12,9);
setPixel(14,9);
setPixel(17,9);
setPixel(19,9);
setPixel(20,9);
setPixel(22,9);
setPixel(24,9);
setPixel(10,10);
setPixel(11,10);
setPixel(14,10);
setPixel(17,10);
setPixel(19,10);
setPixel(21,10);
setPixel(22,10);
setPixel(24,10);
setPixel(26,10);
setPixel(10,11);
setPixel(15,11);
setPixel(16,11);
setPixel(19,11);
setPixel(22,11);
setPixel(24,11);
setPixel(25,11);
setPixel(26,11);
}


// clear the screen
void clearScreen()
{
for (index = 0; index < WIDTH; index++)
for (index2=0;index2<=HEIGHT;++index2)
{
frameBuffer[index][index2] = _BLACK;
}
}

// the setup routine
void setup()
{
//cli();
pinMode (SYNC_PIN, OUTPUT);
pinMode (DATA_PIN, OUTPUT);
digitalWrite (SYNC_PIN, HIGH);
digitalWrite (DATA_PIN, HIGH);

clearScreen();
drawArduinoPong();
}

void loop()
{
// iterate over the lines on the tv
for ( line =0;line< DISPLAY_LINES;++line)
{

// HSync
// front porch (1.5 us)
PORTB = _BLACK;
delayMicroseconds(1.5);
//sync (4.7 us)
PORTB = _SYNC;
delayMicroseconds(4.7);
// breezeway (.6us) + burst (2.5us) + colour back borch (1.6 us)
PORTB = _BLACK;
delayMicroseconds(0.6+2.5+1.6);


//calculate which line to draw to
newLine = line >>4;
delayMicroseconds(1);

//display the array for this line
// a loop would have been smaller, but it messes the timing up
PORTB = frameBuffer[0][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[1][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[2][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[3][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[4][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[5][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[6][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[7][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[8][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[9][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[10][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[11][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[12][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[13][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[14][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[15][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[16][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[17][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[18][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[19][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[20][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[21][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[22][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[23][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[24][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[25][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[26][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[27][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[28][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[29][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[30][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[31][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[32][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[33][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[34][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[35][newLine];
delayMicroseconds(1);

// klugdge to correct timings
PORTB = frameBuffer[36][newLine];
PORTB=PORTB;
PORTB=PORTB;
PORTB=PORTB;
delayMicroseconds(3);
}

delayMicroseconds(10);
//vsync
PORTB = _SYNC;
// remainder of sync period
delayMicroseconds(250);


}
    von http://sites.google.com/site/alastairparker/arduinopong hab den code bissel gekürtzt auf des wesentliche. jedoch hab ich kein sauberes bild mehr es stimmt irgendwas mit dem timing nicht mehr
    das bild rollt nicht sondern verzerrt werd mal noch ein foto machen fals es von nöten sein sollte
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  2. 22.03.2010, 20:49 #2
    Thomas$
    Thomas$ ist offline
    Erfahrener Benutzer Roboter Genie
    Registriert seit
    30.12.2008
    Beiträge
    1.427
    zwischen durch was essen die pal richtlinien druchlesen und es geht
    Code:
    //Arduino Tv framebuffer
//Alastair Parker
//2007

// Video out voltage levels
#define _SYNC 0x00
#define _BLACK 0x01
#define _GRAY 0x02
#define _WHITE 0x03

// dimensions of the screen
#define WIDTH 38
#define HEIGHT 14

//number of lines to display
#define DISPLAY_LINES 240

// update speed for the main loop of the game
#define UPDATE_INTERVAL 1

// positions of the player paddles
#define PLAYER_RIGHT_X 35
#define PLAYER_LEFT_X 2

// maximum velocity of the ball
#define MAX_VEL 10


//video pins
#define DATA_PIN 9
#define SYNC_PIN 8

// the video frameBuffer
byte frameBuffer[WIDTH][HEIGHT];

// loop indices
byte index, index2;

// pal video line loop
byte line;
// current drawing line in framebuffer
byte newLine;


// if the left player should be updated or the right

// if we should be waiting for something to happen
boolean waiting=true;
// if displaying the title
boolean showingTitle = true;

// value of the counter controlling the freq of updates
byte updateCounter=0;


// draw a pixel to the buffer
void setPixel(byte x,byte y)
{
frameBuffer[x][y]= _WHITE;
}

void grayPixel(byte x, byte y)
{
frameBuffer[x][y]= _GRAY;
}

// draw a black pixel to the buffer
void clearPixel(byte x,byte y)
{
frameBuffer[x][y]= _BLACK;
}

// draw a paddle
void drawPaddle(byte x,byte y,byte col)
{
frameBuffer[x][y]= col;
frameBuffer[x][y+1]= col;
}


//draw the title message
void drawArduinoPong()
{
//arduino
setPixel(7,3);
setPixel(8,3);
setPixel(15,3);
setPixel(21,3);
setPixel(6,4);
setPixel(8,4);
setPixel(14,4);
setPixel(15,4);
setPixel(28,4);
setPixel(6,5);
setPixel(7,5);
setPixel(8,5);
setPixel(10,5);
setPixel(11,5);
setPixel(13,5);
setPixel(15,5);
setPixel(17,5);
setPixel(19,5);
setPixel(21,5);
setPixel(23,5);
setPixel(24,5);
setPixel(27,5);
setPixel(29,5);
setPixel(6,6);
setPixel(8,6);
setPixel(10,6);
setPixel(14,6);
setPixel(15,6);
setPixel(18,6);
setPixel(19,6);
setPixel(21,6);
setPixel(23,6);
setPixel(25,6);
setPixel(28,6);

//pong
setPixel(10,8);
setPixel(11,8);
setPixel(15,8);
setPixel(16,8);
setPixel(19,8);
setPixel(22,8);
setPixel(24,8);
setPixel(25,8);
setPixel(26,8);
setPixel(10,9);
setPixel(12,9);
setPixel(14,9);
setPixel(17,9);
setPixel(19,9);
setPixel(20,9);
setPixel(22,9);
setPixel(24,9);
setPixel(10,10);
setPixel(11,10);
setPixel(14,10);
setPixel(17,10);
setPixel(19,10);
setPixel(21,10);
setPixel(22,10);
setPixel(24,10);
setPixel(26,10);
setPixel(10,11);
setPixel(15,11);
setPixel(16,11);
setPixel(19,11);
setPixel(22,11);
setPixel(24,11);
setPixel(25,11);
setPixel(26,11);
}


// clear the screen
void clearScreen()
{
for (index = 0; index < WIDTH; index++)
for (index2=0;index2<=HEIGHT;++index2)
{
frameBuffer[index][index2] = _BLACK;
}
}

// the setup routine
void setup()
{
//cli();
pinMode (SYNC_PIN, OUTPUT);
pinMode (DATA_PIN, OUTPUT);
digitalWrite (SYNC_PIN, HIGH);
digitalWrite (DATA_PIN, HIGH);

clearScreen();
drawArduinoPong();
}

void loop()
{
// iterate over the lines on the tv
for ( line =0;line< DISPLAY_LINES;++line)
{

// HSync
// front porch (1.5 us)
PORTB = _BLACK;
delayMicroseconds(1.5);
//sync (4.7 us)
PORTB = _SYNC;
delayMicroseconds(4.7);
// breezeway (.6us) + burst (2.5us) + colour back borch (1.6 us)
PORTB = _BLACK;
delayMicroseconds(0.6+2.5+1.6);


//calculate which line to draw to
newLine = line >>4;
delayMicroseconds(1);

//display the array for this line
// a loop would have been smaller, but it messes the timing up
PORTB = frameBuffer[0][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[1][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[2][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[3][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[4][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[5][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[6][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[7][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[8][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[9][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[10][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[11][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[12][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[13][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[14][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[15][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[16][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[17][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[18][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[19][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[20][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[21][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[22][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[23][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[24][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[25][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[26][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[27][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[28][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[29][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[30][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[31][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[32][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[33][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[34][newLine];
delayMicroseconds(1);
PORTB = frameBuffer[35][newLine];
delayMicroseconds(1);

// klugdge to correct timings
PORTB = frameBuffer[36][newLine];
PORTB=PORTB;
PORTB=PORTB;
PORTB=PORTB;
delayMicroseconds(3);
}

delayMicroseconds(12);
//vsync
PORTB = _SYNC;
// remainder of sync period
delayMicroseconds(250);


}
    für den zeilenrücklauf waren im spiel pinpong 10µS eingeplant weil da noch paar if abfragen kamen die bei mir weggefallen waren also musst ich 12µS nehmen und es ging außerdem hatt ich noch ein widerstandsproblem
    so jetzt gehts ich werd noch mal eine Bascom version erstellen oder gibt es da schon eine?
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  3. 22.03.2010, 21:18 #3
    radbruch
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    Hallo

    Na, das ist ja schön, wenn es nun funktioniert. Weil ich das auch schon immer mal versuchen wollte, kann es sicher nicht schaden, wenn ich mich nun eher unnötig durch die zwei Programmversionen durchgewühlt habe. Auch wenn du es selbst gefunden hast, ich habe dadurch auch was gelernt ;)

    Mit welchem Takt läuft denn das Board? Wo und wie ist delayMicroseconds() definiert? Welche Widerstände verwendest du jetzt? (Warum gibt es im Code keine Includes von Libraries?)

    Gruß

    mic
    Bild hier  
    Atmel’s products are not intended, authorized, or warranted for use
    as components in applications intended to support or sustain life!
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  4. 22.03.2010, 22:35 #4
    Thomas$
    Thomas$ ist offline
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    das board läuft mit 16Mhz
    die delayMicroseconds() gehört zum arduino c schon dazu und heist warte genau x mikrosekunden
    http://www.arduino.cc/cgi-bin/yabb2/...num=1166667354
    ich selbst hab die werte mit drehpotis eingestellt weil ich kaum widerstände hab
    ich werd eine bascomversion spätestens in den osterferien schreiben aber ich denke da werd ich einen atmega8 nehmen und den dann noch bissel übertakten um noch höhere auflösungen hinzubekommen.

    http://images.google.de/imgres?imgur...26tbs%3Disch:1

    da stand das auch mit den 12µS für den zeilenrücklauf.
    ZitierenZitieren
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