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December 23, 2018 19:26
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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 | |
| //Technical support:[email protected] | |
| #include <Adafruit_GFX.h> // Core graphics library | |
| #include <Adafruit_TFTLCD.h> // Hardware-specific library | |
| #include <TouchScreen.h> | |
| #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 A3 // must be an analog pin, use "An" notation! | |
| #define XM A2 // must be an analog pin, use "An" notation! | |
| #define YM 9 // can be a digital pin | |
| #define XP 8 // can be a digital pin | |
| /* | |
| #define TS_MINX 150 | |
| #define TS_MINY 120 | |
| #define TS_MAXX 920 | |
| #define TS_MAXY 940 | |
| */ | |
| //for 3.5inch touchScreen | |
| #define TS_MINX 180 | |
| #define TS_MAXX 908 | |
| #define TS_MINY 185 | |
| #define TS_MAXY 950 | |
| // 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(); | |
| uint16_t identifier = tft.readID(); | |
| if(identifier==0x0101) | |
| identifier=0x9341; | |
| if(identifier == 0x9325) { | |
| Serial.println(F("Found ILI9325 LCD driver")); | |
| } else if(identifier == 0x4535) { | |
| Serial.println(F("Found LGDP4535 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 if(identifier==0x9481) { | |
| Serial.println(F("Found ILI9481 LCD driver")); | |
| } | |
| else { | |
| Serial.print(F("Unknown LCD driver chip: ")); | |
| Serial.println(identifier, HEX); | |
| Serial.println(F("If using the Adafruit 2.4\" 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; | |
| }/* | |
| if(1==digitalRead(A5))//ILI9481_IPS | |
| { | |
| Serial.println(F("Found IPS LCD driver")); | |
| }*/ | |
| identifier=0x9481;//Force identifier=0x9481 | |
| tft.begin(identifier); | |
| tft.setRotation(2); | |
| 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 | |
| p.x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0); | |
| p.y = map(p.y, TS_MINY, TS_MAXY, tft.height(), 0); | |
| /* | |
| 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); | |
| } | |
| } | |
| } |
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