Voici le code par défaut.
J'ai bien sûr essayer de remplacer "ITDB50" par tout ceux qui utilisent le ssd1963.
Avec ce code, au démarrage j'ai un écran blanc pendant 3 ou 4 secondes. Puis un écran noir (mais pas éteint).
// UTFT_Demo_800x480 (C)2014 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program is a demo of how to use most of the functions
// of the library with a supported display modules.
//
// This demo was made for modules with a screen resolution
// of 800x480 pixels.
//
// This program requires the UTFT library.
//
#include <UTFT.h>
// Declare which fonts we will be using
extern uint8_t SmallFont[];
// Set the pins to the correct ones for your development shield
// ------------------------------------------------------------
// Arduino Uno / 2009:
// -------------------
// Standard Arduino Uno/2009 shield : <display model>,A5,A4,A3,A2
// DisplayModule Arduino Uno TFT shield : <display model>,A5,A4,A3,A2
//
// Arduino Mega:
// -------------------
// Standard Arduino Mega/Due shield : <display model>,38,39,40,41
// CTE TFT LCD/SD Shield for Arduino Mega : <display model>,38,39,40,41
//
// Remember to change the model parameter to suit your display module!
UTFT myGLCD(ITDB50,38,39,40,41);
void setup()
{
randomSeed(analogRead(0));
// Setup the LCD
myGLCD.InitLCD();
myGLCD.setFont(SmallFont);
}
void loop()
{
int buf[798];
int x, x2;
int y, y2;
int r;
// Clear the screen and draw the frame
myGLCD.clrScr();
myGLCD.setColor(255, 0, 0);
myGLCD.fillRect(0, 0, 799, 13);
myGLCD.setColor(64, 64, 64);
myGLCD.fillRect(0, 466, 799, 479);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.print("* Universal Color TFT Display Library *", CENTER, 1);
myGLCD.setBackColor(64, 64, 64);
myGLCD.setColor(255,255,0);
myGLCD.print("<http://electronics.henningkarlsen.com>", CENTER, 467);
myGLCD.setColor(0, 0, 255);
myGLCD.drawRect(0, 14, 799, 465);
// Draw crosshairs
myGLCD.setColor(0, 0, 255);
myGLCD.setBackColor(0, 0, 0);
myGLCD.drawLine(399, 15, 399, 464);
myGLCD.drawLine(1, 239, 798, 239);
for (int i=9; i<790; i+=10)
myGLCD.drawLine(i, 237, i, 242);
for (int i=19; i<470; i+=10)
myGLCD.drawLine(397, i, 402, i);
// Draw sin-, cos- and tan-lines
myGLCD.setColor(0,255,255);
myGLCD.print("Sin", 5, 15);
for (int i=1; i<798; i++)
{
myGLCD.drawPixel(i,239+(sin(((i*1.13)*3.14)/180)*200));
}
myGLCD.setColor(255,0,0);
myGLCD.print("Cos", 5, 27);
for (int i=1; i<798; i++)
{
myGLCD.drawPixel(i,239+(cos(((i*1.13)*3.14)/180)*200));
}
myGLCD.setColor(255,255,0);
myGLCD.print("Tan", 5, 39);
for (int i=1; i<798; i++)
{
myGLCD.drawPixel(i,239+(tan(((i*0.9)*3.14)/180)));
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
myGLCD.setColor(0, 0, 255);
myGLCD.setBackColor(0, 0, 0);
myGLCD.drawLine(399, 15, 399, 464);
myGLCD.drawLine(1, 239, 798, 239);
// Draw a moving sinewave
x=1;
for (int i=1; i<(798*20); i++)
{
x++;
if (x==799)
x=1;
if (i>799)
{
if ((x==399)||(buf[x-1]==239))
myGLCD.setColor(0,0,255);
else
myGLCD.setColor(0,0,0);
myGLCD.drawPixel(x,buf[x-1]);
}
myGLCD.setColor(0,255,255);
y=239+(sin(((i*1.65)*3.14)/180)*(200-(i / 100)));
myGLCD.drawPixel(x,y);
buf[x-1]=y;
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some random filled rectangles
for (int i=0; i<50; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=2+random(746);
y=16+random(397);
x2=x+50;
y2=y+50;
myGLCD.fillRect(x, y, x2, y2);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some random filled, rounded rectangles
for (int i=0; i<50; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=2+random(746);
y=16+random(397);
x2=x+50;
y2=y+50;
myGLCD.fillRoundRect(x, y, x2, y2);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some random filled circles
for (int i=0; i<50; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=27+random(746);
y=41+random(397);
myGLCD.fillCircle(x, y, 25);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some lines in a pattern
myGLCD.setColor (255,0,0);
for (int i=15; i<463; i+=5)
{
myGLCD.drawLine(1, i, (i*1.66)-10, 463);
}
myGLCD.setColor (255,0,0);
for (int i=463; i>15; i-=5)
{
myGLCD.drawLine(798, i, (i*1.66)+30, 15);
}
myGLCD.setColor (0,255,255);
for (int i=463; i>15; i-=5)
{
myGLCD.drawLine(1, i, 770-(i*1.66), 15);
}
myGLCD.setColor (0,255,255);
for (int i=15; i<463; i+=5)
{
myGLCD.drawLine(798, i, 810-(i*1.66), 463);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some random circles
for (int i=0; i<250; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=32+random(736);
y=45+random(386);
r=random(30);
myGLCD.drawCircle(x, y, r);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some random rectangles
for (int i=0; i<250; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=2+random(796);
y=16+random(447);
x2=2+random(796);
y2=16+random(447);
myGLCD.drawRect(x, y, x2, y2);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
// Draw some random rounded rectangles
for (int i=0; i<250; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=2+random(796);
y=16+random(447);
x2=2+random(796);
y2=16+random(447);
myGLCD.drawRoundRect(x, y, x2, y2);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
for (int i=0; i<250; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
x=2+random(796);
y=16+random(447);
x2=2+random(796);
y2=16+random(447);
myGLCD.drawLine(x, y, x2, y2);
}
delay(2000);
myGLCD.setColor(0,0,0);
myGLCD.fillRect(1,15,798,464);
for (int i=0; i<10000; i++)
{
myGLCD.setColor(random(255), random(255), random(255));
myGLCD.drawPixel(2+random(796), 16+random(447));
}
delay(2000);
myGLCD.fillScr(0, 0, 255);
myGLCD.setColor(255, 0, 0);
myGLCD.fillRoundRect(320, 190, 479, 289);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.print("That's it!", CENTER, 213);
myGLCD.print("Restarting in a", CENTER, 239);
myGLCD.print("few seconds...", CENTER, 252);
myGLCD.setColor(0, 255, 0);
myGLCD.setBackColor(0, 0, 255);
myGLCD.print("Runtime: (msecs)", CENTER, 450);
myGLCD.printNumI(millis(), CENTER, 465);
delay (10000);
}
voilà. Je branche l'écran directement sur le shield. Je sais que je l'ai branché dans le bon sens en repérant le chemin des bornes d'alimentations 3V.