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June 7, 2017 10:22
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// Paint example specifically for the TFTLCD breakout board. | |
// If using the Arduino shield, use the tftpaint_shield.pde sketch instead! | |
// DOES NOT CURRENTLY WORK ON ARDUINO LEONARDO | |
// Modified for SPFD5408 Library by Joao Lopes | |
// Version 0.9.2 - Rotation for Mega | |
// *** SPFD5408 change -- Begin | |
#include <SPFD5408_Adafruit_GFX.h> // Core graphics library | |
#include <SPFD5408_Adafruit_TFTLCD.h> // Hardware-specific library | |
#include <SPFD5408_TouchScreen.h> | |
// *** SPFD5408 change -- End | |
#if defined(__SAM3X8E__) | |
#undef __FlashStringHelper::F(string_literal) | |
#define F(string_literal) string_literal | |
#endif | |
// When using the BREAKOUT BOARD only, use these 8 data lines to the LCD: | |
// For the Arduino Uno, Duemilanove, Diecimila, etc.: | |
// D0 connects to digital pin 8 (Notice these are | |
// D1 connects to digital pin 9 NOT in order!) | |
// D2 connects to digital pin 2 | |
// D3 connects to digital pin 3 | |
// D4 connects to digital pin 4 | |
// D5 connects to digital pin 5 | |
// D6 connects to digital pin 6 | |
// D7 connects to digital pin 7 | |
// For the Arduino Mega, use digital pins 22 through 29 | |
// (on the 2-row header at the end of the board). | |
// D0 connects to digital pin 22 | |
// D1 connects to digital pin 23 | |
// D2 connects to digital pin 24 | |
// D3 connects to digital pin 25 | |
// D4 connects to digital pin 26 | |
// D5 connects to digital pin 27 | |
// D6 connects to digital pin 28 | |
// D7 connects to digital pin 29 | |
// For the Arduino Due, use digital pins 33 through 40 | |
// (on the 2-row header at the end of the board). | |
// D0 connects to digital pin 33 | |
// D1 connects to digital pin 34 | |
// D2 connects to digital pin 35 | |
// D3 connects to digital pin 36 | |
// D4 connects to digital pin 37 | |
// D5 connects to digital pin 38 | |
// D6 connects to digital pin 39 | |
// D7 connects to digital pin 40 | |
#define YP A1 // must be an analog pin, use "An" notation! | |
#define XM A2 // must be an analog pin, use "An" notation! | |
#define YM 7 // can be a digital pin | |
#define XP 6 // can be a digital pin | |
// Original values | |
//#define TS_MINX 150 | |
//#define TS_MINY 120 | |
//#define TS_MAXX 920 | |
//#define TS_MAXY 940 | |
// Calibrate values | |
#define TS_MINX 125 | |
#define TS_MINY 85 | |
#define TS_MAXX 965 | |
#define TS_MAXY 905 | |
// For better pressure precision, we need to know the resistance | |
// between X+ and X- Use any multimeter to read it | |
// For the one we're using, its 300 ohms across the X plate | |
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300); | |
#define LCD_CS A3 | |
#define LCD_CD A2 | |
#define LCD_WR A1 | |
#define LCD_RD A0 | |
// optional | |
#define LCD_RESET A4 | |
// Assign human-readable names to some common 16-bit color values: | |
#define BLACK 0x0000 | |
#define BLUE 0x001F | |
#define RED 0xF800 | |
#define GREEN 0x07E0 | |
#define CYAN 0x07FF | |
#define MAGENTA 0xF81F | |
#define YELLOW 0xFFE0 | |
#define WHITE 0xFFFF | |
Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET); | |
#define BOXSIZE 40 | |
#define PENRADIUS 3 | |
int oldcolor, currentcolor; | |
void setup(void) { | |
Serial.begin(9600); | |
Serial.println(F("Paint!")); | |
tft.reset(); | |
// *** SPFD5408 change -- Begin | |
// uint16_t identifier = tft.readID(); | |
// | |
// if(identifier == 0x9325) { | |
// Serial.println(F("Found ILI9325 LCD driver")); | |
// } else if(identifier == 0x9328) { | |
// Serial.println(F("Found ILI9328 LCD driver")); | |
// } else if(identifier == 0x7575) { | |
// Serial.println(F("Found HX8347G LCD driver")); | |
// } else if(identifier == 0x9341) { | |
// Serial.println(F("Found ILI9341 LCD driver")); | |
// } else if(identifier == 0x8357) { | |
// Serial.println(F("Found HX8357D LCD driver")); | |
// } else { | |
// Serial.print(F("Unknown LCD driver chip: ")); | |
// Serial.println(identifier, HEX); | |
// Serial.println(F("If using the Adafruit 2.8\" TFT Arduino shield, the line:")); | |
// Serial.println(F(" #define USE_ADAFRUIT_SHIELD_PINOUT")); | |
// Serial.println(F("should appear in the library header (Adafruit_TFT.h).")); | |
// Serial.println(F("If using the breakout board, it should NOT be #defined!")); | |
// Serial.println(F("Also if using the breakout, double-check that all wiring")); | |
// Serial.println(F("matches the tutorial.")); | |
// return; | |
// } | |
// | |
// tft.begin(identifier); | |
tft.begin(0x9341); // SDFP5408 | |
tft.setRotation(1); // Need for the Mega, please changed for your choice or rotation initial | |
// Border | |
drawBorder(); | |
// Initial screen | |
tft.setCursor (55, 50); | |
tft.setTextSize (3); | |
tft.setTextColor(RED); | |
tft.println("SPFD5408"); | |
tft.setCursor (65, 85); | |
tft.println("Library"); | |
tft.setCursor (55, 150); | |
tft.setTextSize (2); | |
tft.setTextColor(BLACK); | |
tft.println("TFT Paint"); | |
tft.setCursor (80, 250); | |
tft.setTextSize (1); | |
tft.setTextColor(BLACK); | |
tft.println("Touch to proceed"); | |
// Wait touch | |
waitOneTouch(); | |
// *** SPFD5408 change -- End | |
// -- End | |
// Paint | |
tft.fillScreen(BLACK); | |
tft.fillRect(0, 0, BOXSIZE, BOXSIZE, RED); | |
tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, YELLOW); | |
tft.fillRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, GREEN); | |
tft.fillRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, CYAN); | |
tft.fillRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, BLUE); | |
tft.fillRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, MAGENTA); | |
// tft.fillRect(BOXSIZE*6, 0, BOXSIZE, BOXSIZE, WHITE); | |
tft.drawRect(0, 0, BOXSIZE, BOXSIZE, WHITE); | |
currentcolor = RED; | |
pinMode(13, OUTPUT); | |
} | |
#define MINPRESSURE 10 | |
#define MAXPRESSURE 1000 | |
void loop() | |
{ | |
digitalWrite(13, HIGH); | |
TSPoint p = ts.getPoint(); | |
digitalWrite(13, LOW); | |
// if sharing pins, you'll need to fix the directions of the touchscreen pins | |
//pinMode(XP, OUTPUT); | |
pinMode(XM, OUTPUT); | |
pinMode(YP, OUTPUT); | |
//pinMode(YM, OUTPUT); | |
// we have some minimum pressure we consider 'valid' | |
// pressure of 0 means no pressing! | |
if (p.z > MINPRESSURE && p.z < MAXPRESSURE) { | |
/* | |
Serial.print("X = "); Serial.print(p.x); | |
Serial.print("\tY = "); Serial.print(p.y); | |
Serial.print("\tPressure = "); Serial.println(p.z); | |
*/ | |
if (p.y < (TS_MINY-5)) { | |
Serial.println("erase"); | |
// press the bottom of the screen to erase | |
tft.fillRect(0, BOXSIZE, tft.width(), tft.height()-BOXSIZE, BLACK); | |
} | |
// scale from 0->1023 to tft.width | |
// *** SPFD5408 change -- Begin | |
// Bug in in original code | |
//p.x = map(p.y, TS_MINY, TS_MAXY, 0, tft.height()); | |
p.x = map(p.x, TS_MINX, TS_MAXX, 0, tft.width()); | |
// *** SPFD5408 change -- End | |
p.y = map(p.y, TS_MINY, TS_MAXY, 0, tft.height());; | |
/* | |
Serial.print("("); Serial.print(p.x); | |
Serial.print(", "); Serial.print(p.y); | |
Serial.println(")"); | |
*/ | |
if (p.y < BOXSIZE) { | |
oldcolor = currentcolor; | |
if (p.x < BOXSIZE) { | |
currentcolor = RED; | |
tft.drawRect(0, 0, BOXSIZE, BOXSIZE, WHITE); | |
} else if (p.x < BOXSIZE*2) { | |
currentcolor = YELLOW; | |
tft.drawRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, WHITE); | |
} else if (p.x < BOXSIZE*3) { | |
currentcolor = GREEN; | |
tft.drawRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, WHITE); | |
} else if (p.x < BOXSIZE*4) { | |
currentcolor = CYAN; | |
tft.drawRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, WHITE); | |
} else if (p.x < BOXSIZE*5) { | |
currentcolor = BLUE; | |
tft.drawRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, WHITE); | |
} else if (p.x < BOXSIZE*6) { | |
currentcolor = MAGENTA; | |
tft.drawRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, WHITE); | |
} | |
if (oldcolor != currentcolor) { | |
if (oldcolor == RED) tft.fillRect(0, 0, BOXSIZE, BOXSIZE, RED); | |
if (oldcolor == YELLOW) tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, YELLOW); | |
if (oldcolor == GREEN) tft.fillRect(BOXSIZE*2, 0, BOXSIZE, BOXSIZE, GREEN); | |
if (oldcolor == CYAN) tft.fillRect(BOXSIZE*3, 0, BOXSIZE, BOXSIZE, CYAN); | |
if (oldcolor == BLUE) tft.fillRect(BOXSIZE*4, 0, BOXSIZE, BOXSIZE, BLUE); | |
if (oldcolor == MAGENTA) tft.fillRect(BOXSIZE*5, 0, BOXSIZE, BOXSIZE, MAGENTA); | |
} | |
} | |
if (((p.y-PENRADIUS) > BOXSIZE) && ((p.y+PENRADIUS) < tft.height())) { | |
tft.fillCircle(p.x, p.y, PENRADIUS, currentcolor); | |
} | |
} | |
} | |
// Wait one touch | |
TSPoint waitOneTouch() { | |
// wait 1 touch to exit function | |
TSPoint p; | |
do { | |
p= ts.getPoint(); | |
pinMode(XM, OUTPUT); //Pins configures again for TFT control | |
pinMode(YP, OUTPUT); | |
} while((p.z < MINPRESSURE )|| (p.z > MAXPRESSURE)); | |
return p; | |
} | |
void drawBorder () { | |
// Draw a border | |
uint16_t width = tft.width() - 1; | |
uint16_t height = tft.height() - 1; | |
uint8_t border = 10; | |
tft.fillScreen(RED); | |
tft.fillRect(border, border, (width - border * 2), (height - border * 2), WHITE); | |
} | |
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