Adafruit ILI9341

/***************************************************   Это наш пример GFX для разъема и экрана Adafruit ILI9341   ----> http://www.adafruit.com/products/1651    Ознакомьтесь с нашими руководствами и электрическими схемами по ссылкам выше   Эти дисплеи используют SPI для связи, для взаимодействия требуется 4 или 5 контактов (RST необязателен)   Adafruit инвестирует время и ресурсы, предоставляя этот открытый исходный код, пожалуйста, поддержите Adafruit и оборудование с открытым исходным кодом, приобретая продукты у Adafruit!    Автор: Лимор Фрид/Ladyada для Adafruit Industries.   Лицензия MIT, весь приведенный выше текст должен быть включен в любое распространение  ****************************************************/

/***************************************************
  This is our GFX example for the Adafruit ILI9341 Breakout and Shield
  ----> http://www.adafruit.com/products/1651

  Check out the links above for our tutorials and wiring diagrams
  These displays use SPI to communicate, 4 or 5 pins are required to
  interface (RST is optional)
  Adafruit invests time and resources providing this open source code,
  please support Adafruit and open-source hardware by purchasing
  products from Adafruit!

  Written by Limor Fried/Ladyada for Adafruit Industries.
  MIT license, all text above must be included in any redistribution
 ****************************************************/


#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

// For the Adafruit shield, these are the default.
#define TFT_DC 9
#define TFT_CS 10

// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
// If using the breakout, change pins as desired
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);

void setup() {
Serial.begin(9600);
Serial.println("ILI9341 Test!"); 

tft.begin();

  // read diagnostics (optional but can help debug problems)
uint8_t x = tft.readcommand8(ILI9341_RDMODE);
Serial.print("Display Power Mode: 0x"); Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDMADCTL);
Serial.print("MADCTL Mode: 0x"); Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDPIXFMT);
Serial.print("Pixel Format: 0x"); Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDIMGFMT);
Serial.print("Image Format: 0x"); Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDSELFDIAG);
Serial.print("Self Diagnostic: 0x"); Serial.println(x, HEX); 

Serial.println(F("Benchmark                Time (microseconds)"));
delay(10);
Serial.print(F("Screen fill              "));
Serial.println(testFillScreen());
delay(500);

Serial.print(F("Text                     "));
Serial.println(testText());
delay(3000);

Serial.print(F("Lines                    "));
Serial.println(testLines(ILI9341_CYAN));
delay(500);

Serial.print(F("Horiz/Vert Lines         "));
Serial.println(testFastLines(ILI9341_RED, ILI9341_BLUE));
delay(500);

Serial.print(F("Rectangles (outline)     "));
Serial.println(testRects(ILI9341_GREEN));
delay(500);

Serial.print(F("Rectangles (filled)      "));
Serial.println(testFilledRects(ILI9341_YELLOW, ILI9341_MAGENTA));
delay(500);

Serial.print(F("Circles (filled)         "));
Serial.println(testFilledCircles(10, ILI9341_MAGENTA));

Serial.print(F("Circles (outline)        "));
Serial.println(testCircles(10, ILI9341_WHITE));
delay(500);

Serial.print(F("Triangles (outline)      "));
Serial.println(testTriangles());
delay(500);

Serial.print(F("Triangles (filled)       "));
Serial.println(testFilledTriangles());
delay(500);

Serial.print(F("Rounded rects (outline)  "));
Serial.println(testRoundRects());
delay(500);

Serial.print(F("Rounded rects (filled)   "));
Serial.println(testFilledRoundRects());
delay(500);

Serial.println(F("Done!"));

}


void loop(void) {
for(uint8_t rotation=0; rotation<4; rotation++) {
tft.setRotation(rotation);
testText();
delay(1000);
  }
}

unsigned long testFillScreen() {
unsigned long start = micros();
tft.fillScreen(ILI9341_BLACK);
yield();
tft.fillScreen(ILI9341_RED);
yield();
tft.fillScreen(ILI9341_GREEN);
yield();
tft.fillScreen(ILI9341_BLUE);
yield();
tft.fillScreen(ILI9341_BLACK);
yield();
return micros() - start;
}

unsigned long testText() {
tft.fillScreen(ILI9341_BLACK);
unsigned long start = micros();
tft.setCursor(0, 0);
tft.setTextColor(ILI9341_WHITE);  tft.setTextSize(1);
tft.println("Hello World!");
tft.setTextColor(ILI9341_YELLOW); tft.setTextSize(2);
tft.println(1234.56);
tft.setTextColor(ILI9341_RED);    tft.setTextSize(3);
tft.println(0xDEADBEEF, HEX);
tft.println();
tft.setTextColor(ILI9341_GREEN);
tft.setTextSize(5);
tft.println("Groop");
tft.setTextSize(2);
tft.println("I implore thee,");
tft.setTextSize(1);
tft.println("my foonting turlingdromes.");
tft.println("And hooptiously drangle me");
tft.println("with crinkly bindlewurdles,");
tft.println("Or I will rend thee");
tft.println("in the gobberwarts");
tft.println("with my blurglecruncheon,");
tft.println("see if I don't!");
return micros() - start;
}

unsigned long testLines(uint16_t color) {
unsigned long start, t;
int           x1, y1, x2, y2,
                w = tft.width(),
                h = tft.height();

tft.fillScreen(ILI9341_BLACK);
yield();

  x1 = y1 = 0;
  y2    = h - 1;
  start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
  x2    = w - 1;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
  t     = micros() - start; // fillScreen doesn't count against timing

yield();
tft.fillScreen(ILI9341_BLACK);
yield();

  x1    = w - 1;
  y1    = 0;
  y2    = h - 1;
  start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
  x2    = 0;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
  t    += micros() - start;

yield();
tft.fillScreen(ILI9341_BLACK);
yield();

  x1    = 0;
  y1    = h - 1;
  y2    = 0;
  start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
  x2    = w - 1;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
  t    += micros() - start;

yield();
tft.fillScreen(ILI9341_BLACK);
yield();

  x1    = w - 1;
  y1    = h - 1;
  y2    = 0;
  start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
  x2    = 0;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);

yield();
return micros() - start;
}

unsigned long testFastLines(uint16_t color1, uint16_t color2) {
unsigned long start;
int           x, y, w = tft.width(), h = tft.height();

tft.fillScreen(ILI9341_BLACK);
  start = micros();
for(y=0; y<h; y+=5) tft.drawFastHLine(0, y, w, color1);
for(x=0; x<w; x+=5) tft.drawFastVLine(x, 0, h, color2);

return micros() - start;
}

unsigned long testRects(uint16_t color) {
unsigned long start;
int           n, i, i2,
                cx = tft.width()  / 2,
                cy = tft.height() / 2;

tft.fillScreen(ILI9341_BLACK);
  n     = min(tft.width(), tft.height());
  start = micros();
for(i=2; i<n; i+=6) {
    i2 = i / 2;
tft.drawRect(cx-i2, cy-i2, i, i, color);
  }

return micros() - start;
}

unsigned long testFilledRects(uint16_t color1, uint16_t color2) {
unsigned long start, t = 0;
int           n, i, i2,
                cx = tft.width()  / 2 - 1,
                cy = tft.height() / 2 - 1;

tft.fillScreen(ILI9341_BLACK);
  n = min(tft.width(), tft.height());
for(i=n; i>0; i-=6) {
    i2    = i / 2;
    start = micros();
tft.fillRect(cx-i2, cy-i2, i, i, color1);
    t    += micros() - start;
    // Outlines are not included in timing results
tft.drawRect(cx-i2, cy-i2, i, i, color2);
yield();
  }

return t;
}

unsigned long testFilledCircles(uint8_t radius, uint16_t color) {
unsigned long start;
int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;

tft.fillScreen(ILI9341_BLACK);
  start = micros();
for(x=radius; x<w; x+=r2) {
for(y=radius; y<h; y+=r2) {
tft.fillCircle(x, y, radius, color);
    }
  }

return micros() - start;
}

unsigned long testCircles(uint8_t radius, uint16_t color) {
unsigned long start;
int           x, y, r2 = radius * 2,
                w = tft.width()  + radius,
                h = tft.height() + radius;

  // Screen is not cleared for this one -- this is
  // intentional and does not affect the reported time.
  start = micros();
for(x=0; x<w; x+=r2) {
for(y=0; y<h; y+=r2) {
tft.drawCircle(x, y, radius, color);
    }
  }

return micros() - start;
}

unsigned long testTriangles() {
unsigned long start;
int           n, i, cx = tft.width()  / 2 - 1,
                      cy = tft.height() / 2 - 1;

tft.fillScreen(ILI9341_BLACK);
  n     = min(cx, cy);
  start = micros();
for(i=0; i<n; i+=5) {
tft.drawTriangle(
      cx    , cy - i, // peak
      cx - i, cy + i, // bottom left
      cx + i, cy + i, // bottom right
tft.color565(i, i, i));
  }

return micros() - start;
}

unsigned long testFilledTriangles() {
unsigned long start, t = 0;
int           i, cx = tft.width()  / 2 - 1,
                   cy = tft.height() / 2 - 1;

tft.fillScreen(ILI9341_BLACK);
  start = micros();
for(i=min(cx,cy); i>10; i-=5) {
    start = micros();
tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
tft.color565(0, i*10, i*10));
    t += micros() - start;
tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
tft.color565(i*10, i*10, 0));
yield();
  }

return t;
}

unsigned long testRoundRects() {
unsigned long start;
int           w, i, i2,
                cx = tft.width()  / 2 - 1,
                cy = tft.height() / 2 - 1;

tft.fillScreen(ILI9341_BLACK);
  w     = min(tft.width(), tft.height());
  start = micros();
for(i=0; i<w; i+=6) {
    i2 = i / 2;
tft.drawRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(i, 0, 0));
  }

return micros() - start;
}

unsigned long testFilledRoundRects() {
unsigned long start;
int           i, i2,
                cx = tft.width()  / 2 - 1,
                cy = tft.height() / 2 - 1;

tft.fillScreen(ILI9341_BLACK);
  start = micros();
for(i=min(tft.width(), tft.height()); i>20; i-=6) {
    i2 = i / 2;
tft.fillRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(0, i, 0));
yield();
  }

return micros() - start;
}