arduino stuffs
Diffstat (limited to 'libraries/TFT/examples/Arduino/TFTEtchASketch/TFTEtchASketch.ino')
| -rw-r--r-- | libraries/TFT/examples/Arduino/TFTEtchASketch/TFTEtchASketch.ino | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/libraries/TFT/examples/Arduino/TFTEtchASketch/TFTEtchASketch.ino b/libraries/TFT/examples/Arduino/TFTEtchASketch/TFTEtchASketch.ino deleted file mode 100644 index 4eb75d1..0000000 --- a/libraries/TFT/examples/Arduino/TFTEtchASketch/TFTEtchASketch.ino +++ /dev/null @@ -1,83 +0,0 @@ -/* - - TFT EtchASketch - - This example for the Arduino screen draws a white point - on the GLCD based on the values of 2 potentiometers. - To clear the screen, press a button attached to pin 2. - - This example code is in the public domain. - - Created 15 April 2013 by Scott Fitzgerald - - http://www.arduino.cc/en/Tutorial/TFTEtchASketch - - */ - -#include <TFT.h> // Arduino LCD library -#include <SPI.h> - -// pin definition for the Uno -#define cs 10 -#define dc 9 -#define rst 8 - -// pin definition for the Leonardo -// #define cs 7 -// #define dc 0 -// #define rst 1 - -TFT TFTscreen = TFT(cs, dc, rst); - -// initial position of the cursor -int xPos = TFTscreen.width() / 2; -int yPos = TFTscreen.height() / 2; - -// pin the erase switch is connected to -int erasePin = 2; - -void setup() { - // declare inputs - pinMode(erasePin, INPUT); - // initialize the screen - TFTscreen.begin(); - // make the background black - TFTscreen.background(0, 0, 0); -} - -void loop() { - // read the potentiometers on A0 and A1 - int xValue = analogRead(A0); - int yValue = analogRead(A1); - - // map the values and update the position - xPos = xPos + (map(xValue, 0, 1023, 2, -2)); - yPos = yPos + (map(yValue, 0, 1023, -2, 2)); - - // don't let the point go past the screen edges - if (xPos > 159) { - (xPos = 159); - } - - if (xPos < 0) { - (xPos = 0); - } - if (yPos > 127) { - (yPos = 127); - } - - if (yPos < 0) { - (yPos = 0); - } - - // draw the point - TFTscreen.stroke(255, 255, 255); - TFTscreen.point(xPos, yPos); - - // read the value of the pin, and erase the screen if pressed - if (digitalRead(erasePin) == HIGH) { - TFTscreen.background(0, 0, 0); - } - - delay(33); -} |