TRYING a simple program to test the new board

Other Hardware Displays
8 
#include <TFT_eSPI.h>  // Graphics and font library for ST7735 driver chip
#include <SPI.h>


TFT_eSPI tft = TFT_eSPI();  // Invoke library, pins defined in User_Setup.h

unsigned long targetTime = 0;
byte red = 31;
byte green = 0;
byte blue = 0;
byte state = 0;
unsigned int colour = red << 11;

void setup(void) {
  tft.init();
  //pinMode(27, OUTPUT);//打钟
  //digitalWrite(27,LOW);
  tft.setRotation(1);
  //tft.fillScreen(TFT_BLACK);
  targetTime = millis() + 100;
}

void loop() {
  tft.fillScreen(TFT_RED);
  delay(1000);
  tft.fillScreen(TFT_GREEN);
  delay(1000);
  tft.fillScreen(TFT_BLUE);
  delay(1000);
  tft.fillScreen(TFT_BLACK);
  delay(1000);
  tft.fillScreen(TFT_WHITE);
  delay(1000);
  tft.fillScreen(random(0x10000));
  delay(1000);

  // LCD_Clear(0x0000);
  //delay(2000);
  // LCD_Clear(0xfffc);
  //delay(2000);
  if (targetTime < millis()) {
    targetTime = millis() + 10000;

    // Colour changing state machine
    for (int i = 0; i < 480; i++) {
      tft.drawFastVLine(i, 0, tft.height(), colour);
      switch (state) {
        case 0:
          green += 2;
          if (green == 64) {
            green = 63;
            state = 1;
          }
          break;
        case 1:
          red--;
          if (red == 255) {
            red = 0;
            state = 2;
          }
          break;
        case 2:
          blue++;
          if (blue == 32) {
            blue = 31;
            state = 3;
          }
          break;
        case 3:
          green -= 2;
          if (green == 255) {
            green = 0;
            state = 4;
          }
          break;
        case 4:
          red++;
          if (red == 32) {
            red = 31;
            state = 5;
          }
          break;
        case 5:
          blue--;
          if (blue == 255) {
            blue = 0;
            state = 0;
          }
          break;
      }
      colour = red << 11 | green << 5 | blue;
    }

    // The standard ADAFruit font still works as before
    tft.setTextColor(TFT_BLACK);
    tft.setCursor(12, 5);
    tft.print("Original ADAfruit font!");

    // The new larger fonts do not use the .setCursor call, coords are embedded
    tft.setTextColor(TFT_BLACK, TFT_BLACK);  // Do not plot the background colour

    // Overlay the black text on top of the rainbow plot (the advantage of not drawing the backgorund colour!)
    tft.drawCentreString("Font size 2", 80, 14, 2);  // Draw text centre at position 80, 12 using font 2

    //tft.drawCentreString("Font size 2",81,12,2); // Draw text centre at position 80, 12 using font 2

    tft.drawCentreString("Font size 4", 80, 30, 4);  // Draw text centre at position 80, 24 using font 4

    tft.drawCentreString("12.34", 80, 54, 6);  // Draw text centre at position 80, 24 using font 6

    tft.drawCentreString("12.34 is in font size 6", 80, 92, 2);  // Draw text centre at position 80, 90 using font 2

    // Note the x position is the top left of the font!

    // draw a floating point number
    float pi = 3.14159;                                      // Value to print
    int precision = 3;                                       // Number of digits after decimal point
    int xpos = 50;                                           // x position
    int ypos = 110;                                          // y position
    int font = 2;                                            // font number only 2,4,6,7 valid. Font 6 only contains characters [space] 0 1 2 3 4 5 6 7 8 9 0 : a p m
    xpos += tft.drawFloat(pi, precision, xpos, ypos, font);  // Draw rounded number and return new xpos delta for next print position
    tft.drawString(" is pi", xpos, ypos, font);              // Continue printing from new x position
    delay(6000);
  }