MÀN HÌNH OLED TFT 1.3" chip ST7789 240 x 240

THÔNG SỐ KỸ THUÂT

• Trình điều khiển: ST7789
• Giao diện: SPI
• Màu hiển thị: RGB, 262K màu
• Độ phân giải: 240×240
• Đèn nền: LED
• Điện áp hoạt động: 3.3V

CODE TEST SẢN PHẨM:

#include <Adafruit_GFX.h>    

#include <Adafruit_ST7789.h>

#include <SPI.h>           

// ST7789 TFT module connections

#define TFT_CS     10

#define TFT_RST    8  // define reset pin, or set to -1 and connect to Arduino RESET pin

#define TFT_DC     9  // define data/command pin

// Initialize Adafruit ST7789 TFT library

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! ST7789 TFT Test"));

  // if the display has CS pin try with SPI_MODE0

  tft.init(240, 240, SPI_MODE2);    // Init ST7789 display 240x240 pixel

  // if the screen is flipped, remove this command

  tft.setRotation(2);

  Serial.println(F("Initialized"));

  uint16_t time = millis();

  tft.fillScreen(ST77XX_BLACK);

  time = millis() - time;

  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);

  int 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);

  int 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);

}