MÀN HÌNH TFT 2.8 SPI 240x320 7 PIN ST7789V GMT028-05

THÔNG SỐ KỸ THUẬT:

• Trình điều khiển: ST7789
• Giao diện: SPI
• Màu hiển thị: RGB, 262K màu
• Độ phân giải: 240×320
• Đèn nền: LED
• Điện áp hoạt động: 5V

CODE TEST ARDUINO IDE VÀ THƯ VIỆN SẢN PHẨM:

#include <Adafruit_GFX.h>    // Core graphics library

#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789

#include <SPI.h>

//#if defined(ARDUINO_FEATHER_ESP32) // Feather Huzzah32

//  #define TFT_CS         15

//  #define TFT_RST        4

//  #define TFT_DC         2

//#elif defined(ESP8266)

//  #define TFT_CS         4

//  #define TFT_RST        16

//  #define TFT_DC         5

//#else

#define TFT_CS        10

#define TFT_RST        9 // Or set to -1 and connect to Arduino RESET pin

#define TFT_DC         8

//#endif

Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);

float p = 3.1415926;

void setup(void) {

  Serial.begin(9600);

  Serial.print(F("Hello! ST77xx TFT Test"));

  tft.init(240,320);           // Init ST7789 240x240

  Serial.println(F("Initialized"));

  uint16_t time = millis();

  tft.fillScreen(ST77XX_BLACK);

  time = millis() - time;

  Serial.println(time, DEC);

  delay(500);

  // large block of text

  tft.fillScreen(ST77XX_BLACK);

  testdrawtext("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur adipiscing ante sed nibh tincidunt feugiat. Maecenas enim massa, fringilla sed malesuada et, malesuada sit amet turpis. Sed porttitor neque ut ante pretium vitae malesuada nunc bibendum. Nullam aliquet ultrices massa eu hendrerit. Ut sed nisi lorem. In vestibulum purus a tortor imperdiet posuere. ", ST77XX_WHITE);

  delay(1000);

  // tft print function!

  tftPrintTest();

  delay(4000);

  // a single pixel

  tft.drawPixel(tft.width()/2, tft.height()/2, ST77XX_GREEN);

  delay(500);

  // line draw test

  testlines(ST77XX_YELLOW);

  delay(500);

  // optimized lines

  testfastlines(ST77XX_RED, ST77XX_BLUE);

  delay(500);

  testdrawrects(ST77XX_GREEN);

  delay(500);

  testfillrects(ST77XX_YELLOW, ST77XX_MAGENTA);

  delay(500);

  tft.fillScreen(ST77XX_BLACK);

  testfillcircles(10, ST77XX_BLUE);

  testdrawcircles(10, ST77XX_WHITE);

  delay(500);

  testroundrects();

  delay(500);

  testtriangles();

  delay(500);

  mediabuttons();

  delay(500);

  Serial.println("done");

  delay(1000);

}

void loop() {

  tft.invertDisplay(true);

  delay(500);

  tft.invertDisplay(false);

  delay(500);

}

void testlines(uint16_t color) {

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t x=0; x < tft.width(); x+=6) {

    tft.drawLine(0, 0, x, tft.height()-1, color);

    delay(0);

  }

  for (int16_t y=0; y < tft.height(); y+=6) {

    tft.drawLine(0, 0, tft.width()-1, y, color);

    delay(0);

  }

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t x=0; x < tft.width(); x+=6) {

    tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);

    delay(0);

  }

  for (int16_t y=0; y < tft.height(); y+=6) {

    tft.drawLine(tft.width()-1, 0, 0, y, color);

    delay(0);

  }

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t x=0; x < tft.width(); x+=6) {

    tft.drawLine(0, tft.height()-1, x, 0, color);

    delay(0);

  }

  for (int16_t y=0; y < tft.height(); y+=6) {

    tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);

    delay(0);

  }

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t x=0; x < tft.width(); x+=6) {

    tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);

    delay(0);

  }

  for (int16_t y=0; y < tft.height(); y+=6) {

    tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);

    delay(0);

  }

}

void testdrawtext(char *text, uint16_t color) {

  tft.setCursor(0, 0);

  tft.setTextColor(color);

  tft.setTextWrap(true);

  tft.print(text);

}

void testfastlines(uint16_t color1, uint16_t color2) {

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t y=0; y < tft.height(); y+=5) {

    tft.drawFastHLine(0, y, tft.width(), color1);

  }

  for (int16_t x=0; x < tft.width(); x+=5) {

    tft.drawFastVLine(x, 0, tft.height(), color2);

  }

}

void testdrawrects(uint16_t color) {

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t x=0; x < tft.width(); x+=6) {

    tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color);

  }

}

void testfillrects(uint16_t color1, uint16_t color2) {

  tft.fillScreen(ST77XX_BLACK);

  for (int16_t x=tft.width()-1; x > 6; x-=6) {

    tft.fillRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color1);

    tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color2);

  }

}

void testfillcircles(uint8_t radius, uint16_t color) {

  for (int16_t x=radius; x < tft.width(); x+=radius*2) {

    for (int16_t y=radius; y < tft.height(); y+=radius*2) {

      tft.fillCircle(x, y, radius, color);

    }

  }

}

void testdrawcircles(uint8_t radius, uint16_t color) {

  for (int16_t x=0; x < tft.width()+radius; x+=radius*2) {

    for (int16_t y=0; y < tft.height()+radius; y+=radius*2) {

      tft.drawCircle(x, y, radius, color);

    }

  }

}

void testtriangles() {

  tft.fillScreen(ST77XX_BLACK);

  uint16_t color = 0xF800;

  int t;

  int w = tft.width()/2;

  int x = tft.height()-1;

  int y = 0;

  int z = tft.width();

  for(t = 0 ; t <= 15; t++) {

    tft.drawTriangle(w, y, y, x, z, x, color);

    x-=4;

    y+=4;

    z-=4;

    color+=100;

  }

}

void testroundrects() {

  tft.fillScreen(ST77XX_BLACK);

  uint16_t color = 100;

  int i;

  int t;

  for(t = 0 ; t <= 4; t+=1) {

    int x = 0;

    int y = 0;

    int w = tft.width()-2;

    int h = tft.height()-2;

    for(i = 0 ; i <= 16; i+=1) {

      tft.drawRoundRect(x, y, w, h, 5, color);

      x+=2;

      y+=3;

      w-=4;

      h-=6;

      color+=1100;

    }

    color+=100;

  }

}

void tftPrintTest() {

  tft.setTextWrap(false);

  tft.fillScreen(ST77XX_BLACK);

  tft.setCursor(0, 30);

  tft.setTextColor(ST77XX_RED);

  tft.setTextSize(1);

  tft.println("Hello World!");

  tft.setTextColor(ST77XX_YELLOW);

  tft.setTextSize(2);

  tft.println("Hello World!");

  tft.setTextColor(ST77XX_GREEN);

  tft.setTextSize(3);

  tft.println("Hello World!");

  tft.setTextColor(ST77XX_BLUE);

  tft.setTextSize(4);

  tft.print(1234.567);

  delay(1500);

  tft.setCursor(0, 0);

  tft.fillScreen(ST77XX_BLACK);

  tft.setTextColor(ST77XX_WHITE);

  tft.setTextSize(0);

  tft.println("Hello World!");

  tft.setTextSize(1);

  tft.setTextColor(ST77XX_GREEN);

  tft.print(p, 6);

  tft.println(" Want pi?");

  tft.println(" ");

  tft.print(8675309, HEX); // print 8,675,309 out in HEX!

  tft.println(" Print HEX!");

  tft.println(" ");

  tft.setTextColor(ST77XX_WHITE);

  tft.println("Sketch has been");

  tft.println("running for: ");

  tft.setTextColor(ST77XX_MAGENTA);

  tft.print(millis() / 1000);

  tft.setTextColor(ST77XX_WHITE);

  tft.print(" seconds.");

}

void mediabuttons() {

  // play

  tft.fillScreen(ST77XX_BLACK);

  tft.fillRoundRect(25, 10, 78, 60, 8, ST77XX_WHITE);

  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_RED);

  delay(500);

  // pause

  tft.fillRoundRect(25, 90, 78, 60, 8, ST77XX_WHITE);

  tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_GREEN);

  tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_GREEN);

  delay(500);

  // play color

  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_BLUE);

  delay(50);

  // pause color

  tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_RED);

  tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_RED);

  // play color

  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_GREEN);

}

TẢI THƯ VIỆN ST7789V

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