main.cpp

#include "Adafruit_ST7735.h"
#include "mbed.h"
#include "pins.h"
#include "rtos.h"

Adafruit_ST7735 tft(D11, D12, D13, D10, D8,
                    D9); // MOSI, MISO, SCLK, SSEL, TFT_DC, TFT_RSTss
Thread displayThread;

void display();

void testlines(uint16_t color);
void testfastlines(uint16_t color1, uint16_t color2);
void testdrawrects(uint16_t color);
void testfillrects(uint16_t color1, uint16_t color2);
void testfillcircles(uint8_t radius, uint16_t color);
void testdrawcircles(uint8_t radius, uint16_t color);
void testtriangles(void);
void testroundrects(void);
void mediabuttons(void);
void testdrawtext(char *text, uint16_t color);
void tftPrintTest(void);

int main(void) {
  printf("Start\r\n");
  displayThread.start(display);

  while (1) {
  }
}

void display() {
  printf("Display Thread \r\n");
  // Use this initializer if you're using a 1.8" TFT

  tft.initR(); // initialize a ST7735S chip, black tab
  tft.setRotation(1);
  tft.fillScreen(ST7735_BLACK);
  char hello[] =
      "123Lorem 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. ";
  testdrawtext(hello, ST7735_WHITE);
  ThisThread::sleep_for(1000);

  // tft print function!
  tftPrintTest();
  ThisThread::sleep_for(1000);

  tft.drawPixel(tft.width() / 2, tft.height() / 2, ST7735_GREEN);
  ThisThread::sleep_for(500);

  testlines(ST7735_YELLOW);
  ThisThread::sleep_for(500);

  testfastlines(ST7735_RED, ST7735_BLUE);
  ThisThread::sleep_for(500);

  testdrawrects(ST7735_GREEN);
  ThisThread::sleep_for(500);

  testfillrects(ST7735_YELLOW, ST7735_MAGENTA);
  ThisThread::sleep_for(500);

  tft.fillScreen(ST7735_BLACK);
  testfillcircles(10, ST7735_BLUE);
  testdrawcircles(10, ST7735_WHITE);
  ThisThread::sleep_for(500);

  testroundrects();
  ThisThread::sleep_for(500);

  testtriangles();
  ThisThread::sleep_for(500);

  mediabuttons();

  ThisThread::sleep_for(500);

  while (1) {
    tft.invertDisplay(true);
    ThisThread::sleep_for(500);
    tft.invertDisplay(false);
    ThisThread::sleep_for(500);
  }
}

void testlines(uint16_t color) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x = 0; x < tft.width(); x += 6) {
    tft.drawLine(0, 0, x, tft.height() - 1, color);
  }
  for (int16_t y = 0; y < tft.height(); y += 6) {
    tft.drawLine(0, 0, tft.width() - 1, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x = 0; x < tft.width(); x += 6) {
    tft.drawLine(tft.width() - 1, 0, x, tft.height() - 1, color);
  }
  for (int16_t y = 0; y < tft.height(); y += 6) {
    tft.drawLine(tft.width() - 1, 0, 0, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x = 0; x < tft.width(); x += 6) {
    tft.drawLine(0, tft.height() - 1, x, 0, color);
  }
  for (int16_t y = 0; y < tft.height(); y += 6) {
    tft.drawLine(0, tft.height() - 1, tft.width() - 1, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x = 0; x < tft.width(); x += 6) {
    tft.drawLine(tft.width() - 1, tft.height() - 1, x, 0, color);
  }
  for (int16_t y = 0; y < tft.height(); y += 6) {
    tft.drawLine(tft.width() - 1, tft.height() - 1, 0, y, color);
  }
}

void testfastlines(uint16_t color1, uint16_t color2) {
  tft.fillScreen(ST7735_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(ST7735_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(ST7735_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(ST7735_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 += 1) {
    tft.drawTriangle(w, y, y, x, z, x, color);
    x -= 4;
    y += 4;
    z -= 4;
    color += 100;
  }
}

void testroundrects() {
  tft.fillScreen(ST7735_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 mediabuttons() {
  // play
  tft.fillScreen(ST7735_BLACK);
  tft.fillRoundRect(25, 10, 78, 60, 8, ST7735_WHITE);
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_RED);
  ThisThread::sleep_for(500);
  // pause
  tft.fillRoundRect(25, 90, 78, 60, 8, ST7735_WHITE);
  tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_GREEN);
  tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_GREEN);
  ThisThread::sleep_for(500);
  // play color
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_BLUE);
  ThisThread::sleep_for(500);
  // pause color
  tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_RED);
  tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_RED);
  ThisThread::sleep_for(500);
  // play color
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_GREEN);
}

void testdrawtext(char *text, uint16_t color) {
  tft.setCursor(0, 0);
  tft.setTextColor(color);
  tft.setTextWrap(true);
  tft.printf("%s", text);
}

void tftPrintTest() {
  tft.setTextWrap(false);
  tft.fillScreen(ST7735_BLACK);
  tft.setCursor(0, 30);
  tft.setTextColor(ST7735_RED);
  tft.setTextSize(1);
  tft.printf("Hello World!\r\n");
  tft.setTextColor(ST7735_YELLOW);
  tft.setTextSize(2);
  tft.printf("Hello World!\r\n");
  tft.setTextColor(ST7735_GREEN);
  tft.setTextSize(3);
  tft.printf("Hello World!\r\n");
}