157 lines
4.0 KiB
C++
Executable File
157 lines
4.0 KiB
C++
Executable File
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//#include "TFTLCD.h"
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#include "TouchScreen.h"
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#include <Adafruit_GFX.h> // Core graphics library
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#include <SWTFT.h>
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//Duemilanove/Diecimila/UNO/etc ('168 and '328 chips) microcontoller:
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#define YP A1 // must be an analog pin, use "An" notation!
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#define XM A2 // must be an analog pin, use "An" notation!
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#define YM 7 // can be a digital pin
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#define XP 6 // can be a digital pin
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#define TS_MINX 150
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#define TS_MINY 120
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#define TS_MAXX 920
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#define TS_MAXY 940
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// For better pressure precision, we need to know the resistance
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// between X+ and X- Use any multimeter to read it
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// For the one we're using, its 300 ohms across the X plate
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TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
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#define LCD_CS A3
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#define LCD_CD A2
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#define LCD_WR A1
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#define LCD_RD A0
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// optional
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#define LCD_RESET A4
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// Color definitions
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#define BLACK 0x0000
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#define BLUE 0x001F
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#define RED 0xF800
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#define GREEN 0x07E0
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#define CYAN 0x07FF
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#define MAGENTA 0xF81F
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#define YELLOW 0xFFE0
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#define WHITE 0xFFFF
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TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
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#define BOXSIZE 40
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#define PENRADIUS 3
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int oldcolor, currentcolor;
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void setup(void) {
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Serial.begin(9600);
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Serial.println("Paint!");
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tft.reset();
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uint16_t identifier = tft.readRegister(0x0);
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tft.initDisplay();
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tft.fillScreen(BLACK);
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tft.fillRect(0, 320-BOXSIZE, BOXSIZE, 320,MAGENTA );
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tft.fillRect(BOXSIZE, 320-BOXSIZE, BOXSIZE, 320,BLUE );
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tft.fillRect(BOXSIZE*2, 320-BOXSIZE, BOXSIZE, 320,CYAN );
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tft.fillRect(BOXSIZE*3, 320-BOXSIZE, BOXSIZE, 320, GREEN);
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tft.fillRect(BOXSIZE*4, 320-BOXSIZE, BOXSIZE, 320, YELLOW);
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tft.fillRect(BOXSIZE*5, 320-BOXSIZE, BOXSIZE, 320, RED);
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// tft.fillRect(BOXSIZE*6, 0, BOXSIZE, BOXSIZE, WHITE);
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// tft.drawRect(0, 0, BOXSIZE, BOXSIZE, WHITE);
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currentcolor = RED;
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pinMode(13, OUTPUT);
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}
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#define MINPRESSURE 10
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#define MAXPRESSURE 1000
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void loop()
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{
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digitalWrite(13, HIGH);
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Point p = ts.getPoint();
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digitalWrite(13, LOW);
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pinMode(XM, OUTPUT);
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pinMode(YP, OUTPUT);
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//pinMode(YM, OUTPUT);
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// we have some minimum pressure we consider 'valid'
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// pressure of 0 means no pressing!
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if (p.z > MINPRESSURE && p.z < MAXPRESSURE) {
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if (p.y < (TS_MINY-5)) {
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Serial.println("erase");
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// press the bottom of the screen to erase
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tft.fillRect(0, BOXSIZE, tft.width(), tft.height()-BOXSIZE, BLACK);
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}
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// turn from 0->1023 to tft.width
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p.x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0);
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p.y = map(p.y, TS_MINY, TS_MAXY, tft.height(), 0);
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if (p.y < BOXSIZE) {
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oldcolor = currentcolor;
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if (p.x < BOXSIZE) {
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currentcolor = RED;
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// tft.drawRect(0, 0, BOXSIZE, BOXSIZE, WHITE);
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}
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else if (p.x < BOXSIZE*2) {
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currentcolor = YELLOW;
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// tft.drawRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, WHITE);
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}
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else if (p.x < BOXSIZE*3) {
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currentcolor = GREEN;
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// tft.drawRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, WHITE);
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}
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else if (p.x < BOXSIZE*4) {
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currentcolor = CYAN;
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// tft.drawRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, WHITE);
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}
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else if (p.x < BOXSIZE*5) {
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currentcolor = BLUE;
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// tft.drawRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, WHITE);
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}
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else if (p.x < BOXSIZE*6) {
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currentcolor = MAGENTA;
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// tft.drawRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, WHITE);
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}
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// if (oldcolor != currentcolor) {
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// if (oldcolor == RED) tft.fillRect(0, 0, BOXSIZE, BOXSIZE,MAGENTA );
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// if (oldcolor == YELLOW) tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE,BLUE );
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// if (oldcolor == GREEN) tft.fillRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE,CYAN );
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// if (oldcolor == CYAN) tft.fillRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, GREEN);
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// if (oldcolor == BLUE) tft.fillRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, YELLOW);
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// if (oldcolor == MAGENTA) tft.fillRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, RED);
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// }
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}
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if (((p.y-PENRADIUS) > BOXSIZE) && ((p.y+PENRADIUS) < tft.height())) {
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tft.fillCircle(240-p.x, 320-p.y, PENRADIUS, currentcolor);
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}
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}
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}
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