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MindCreeper03
2025-02-27 19:31:50 +01:00
parent bcbb6aff9a
commit e490df1715
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libraries/Adafruit_ILI9341/examples/touchpaint_pyportal/touchpaint_pyportal.ino Normal file
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#include "Adafruit_ILI9341.h"
#include "TouchScreen.h"
#define YP A4
#define XM A7
#define YM A6
#define XP A5
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
#define X_MIN 325
#define X_MAX 750
#define Y_MIN 840
#define Y_MAX 240
// Pin settings for PyPortal
#define TFT_D0 34 // Data bit 0 pin (MUST be on PORT byte boundary)
#define TFT_WR 26 // Write-strobe pin (CCL-inverted timer output)
#define TFT_DC 10 // Data/command pin
#define TFT_CS 11 // Chip-select pin
#define TFT_RST 24 // Reset pin
#define TFT_RD 9 // Read-strobe pin
#define TFT_BACKLIGHT 25
// ILI9341 with 8-bit parallel interface:
Adafruit_ILI9341 tft = Adafruit_ILI9341(tft8bitbus, TFT_D0, TFT_WR, TFT_DC, TFT_CS, TFT_RST, TFT_RD);
// Size of the color selection boxes and the paintbrush size
#define BOXSIZE 40
#define PENRADIUS 3
int oldcolor, currentcolor;
void setup(void) {
// while (!Serial); // used for leonardo debugging
delay(100);
Serial.begin(9600);
Serial.println(F("Touch Paint!"));
tft.begin();
tft.fillScreen(ILI9341_BLACK);
// make the color selection boxes
tft.fillRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_RED);
tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, ILI9341_YELLOW);
tft.fillRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, ILI9341_GREEN);
tft.fillRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, ILI9341_CYAN);
tft.fillRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, ILI9341_BLUE);
tft.fillRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, ILI9341_MAGENTA);
// select the current color 'red'
tft.drawRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
currentcolor = ILI9341_RED;
pinMode(TFT_BACKLIGHT, OUTPUT);
digitalWrite(TFT_BACKLIGHT, HIGH);
}
void loop()
{
TSPoint p = ts.getPoint();
// we have some minimum pressure we consider 'valid'
// pressure of 0 means no pressing!
if ((p.z < 100) || (p.z > 1000)) {
return;
}
Serial.print("X = "); Serial.print(p.x);
Serial.print("\tY = "); Serial.print(p.y);
Serial.print("\tPressure = "); Serial.println(p.z);
p.x = map(p.x, X_MIN, X_MAX, 0, 240);
p.y = map(p.y, Y_MIN, Y_MAX, 0, 320);
if (p.y < BOXSIZE) {
oldcolor = currentcolor;
if (p.x < BOXSIZE) {
currentcolor = ILI9341_RED;
tft.drawRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
} else if (p.x < BOXSIZE*2) {
currentcolor = ILI9341_YELLOW;
tft.drawRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
} else if (p.x < BOXSIZE*3) {
currentcolor = ILI9341_GREEN;
tft.drawRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
} else if (p.x < BOXSIZE*4) {
currentcolor = ILI9341_CYAN;
tft.drawRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
} else if (p.x < BOXSIZE*5) {
currentcolor = ILI9341_BLUE;
tft.drawRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
} else if (p.x < BOXSIZE*6) {
currentcolor = ILI9341_MAGENTA;
tft.drawRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, ILI9341_WHITE);
}
if (oldcolor != currentcolor) {
if (oldcolor == ILI9341_RED)
tft.fillRect(0, 0, BOXSIZE, BOXSIZE, ILI9341_RED);
if (oldcolor == ILI9341_YELLOW)
tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, ILI9341_YELLOW);
if (oldcolor == ILI9341_GREEN)
tft.fillRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, ILI9341_GREEN);
if (oldcolor == ILI9341_CYAN)
tft.fillRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, ILI9341_CYAN);
if (oldcolor == ILI9341_BLUE)
tft.fillRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, ILI9341_BLUE);
if (oldcolor == ILI9341_MAGENTA)
tft.fillRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, ILI9341_MAGENTA);
}
}
if (((p.y-PENRADIUS) > BOXSIZE) && ((p.y+PENRADIUS) < tft.height())) {
tft.fillCircle(p.x, p.y, PENRADIUS, currentcolor);
}
}