interfacing-stm32-with-st7735-display-using-spi

#include "main.h"
#include "fonts.h"
#include "ST7735.h"
#include"testimg.h"

/* USER CODE BEGIN 0 */
uint8_t r = 0;
void demoTFT(void)
{
ST7735_SetRotation(r);
ST7735_FillScreen(ST7735_BLACK);

for(int x = 0; x < ST7735_GetWidth(); x++)
{
ST7735_DrawPixel(x, 0, ST7735_WHITE);
ST7735_DrawPixel(x, ST7735_GetHeight() - 1, ST7735_WHITE);
}

for(int y = 0; y < ST7735_GetHeight(); y++)
{
ST7735_DrawPixel(0, y, ST7735_WHITE);
ST7735_DrawPixel(ST7735_GetWidth() - 1, y, ST7735_WHITE);
}

ST7735_DrawLine(0, 0, ST7735_GetWidth(), ST7735_GetHeight(),ST7735_WHITE);
ST7735_DrawLine(ST7735_GetWidth(), 0, 0, ST7735_GetHeight(),ST7735_WHITE);
HAL_Delay(2000);

ST7735_FillScreen(ST7735_BLACK);
for (int i = 0; i < ST7735_GetHeight(); i += 4)
{
ST7735_DrawFastHLine(0, i, ST7735_GetWidth() - 1, ST7735_WHITE);
}

for (int i = 0; i < ST7735_GetWidth(); i += 4)
{
ST7735_DrawFastVLine(i, 0, ST7735_GetHeight() - 1, ST7735_WHITE);
}
HAL_Delay(2000);

 // Check fonts
ST7735_FillScreen(ST7735_BLACK);
ST7735_DrawString(0, 0,"Font_7x10, red on black,ABCDEF",Font_7x10,ST7735_RED, ST7735_BLACK);
ST7735_DrawString(0, 3*10, "Font_11x18, green,ABCD",Font_11x18,ST7735_GREEN, ST7735_BLACK);
ST7735_DrawString(0, 3*10+3*18, "Font_16x26 ,AB", Font_16x26, ST7735_BLUE, 
ST7735_BLACK);
HAL_Delay(2000);

 // Check colors
ST7735_FillScreen(ST7735_BLACK);
ST7735_DrawString(0, 0, "BLACK", Font_11x18, ST7735_WHITE, ST7735_BLACK);
HAL_Delay(500);

ST7735_FillScreen(ST7735_BLUE);
ST7735_DrawString(0, 0, "BLUE", Font_11x18, ST7735_BLACK, ST7735_BLUE);
HAL_Delay(500);

ST7735_FillScreen(ST7735_RED);
ST7735_DrawString(0, 0, "RED", Font_11x18, ST7735_BLACK, ST7735_RED);
HAL_Delay(500);

ST7735_FillScreen(ST7735_GREEN);
ST7735_DrawString(0, 0, "GREEN", Font_11x18, ST7735_BLACK, ST7735_GREEN);
HAL_Delay(500);

ST7735_FillScreen(ST7735_CYAN);
ST7735_DrawString(0, 0, "CYAN", Font_11x18, ST7735_BLACK, ST7735_CYAN);
HAL_Delay(500);

ST7735_FillScreen(ST7735_MAGENTA);
ST7735_DrawString(0, 0, "MAGENTA",Font_11x18, ST7735_BLACK, ST7735_MAGENTA);
HAL_Delay(500);

ST7735_FillScreen(ST7735_YELLOW);
ST7735_DrawString(0, 0, "YELLOW", Font_11x18, ST7735_BLACK, ST7735_YELLOW);
HAL_Delay(500);

ST7735_FillScreen(ST7735_WHITE);
ST7735_DrawString(0, 0, "WHITE", Font_11x18, ST7735_BLACK, ST7735_WHITE);
HAL_Delay(500);

// Draw circles
ST7735_FillScreen(ST7735_BLACK);
for (int i = 0; i < ST7735_GetHeight() / 2; i += 2)
{
ST7735_DrawCircle(ST7735_GetWidth()/2,ST7735_GetHeight()/2,i,ST7735_YELLOW);
}
HAL_Delay(1000);

ST7735_FillScreen(ST7735_BLACK);
ST7735_FillTriangle(0, 0, ST7735_GetWidth() / 2, ST7735_GetHeight(), 
ST7735_GetWidth(), 0, ST7735_RED);
HAL_Delay(1000);

ST7735_DrawImage(0,0, 128, 90, (uint16_t*) test_img_128x128);
HAL_Delay(3000);
ST7735_FillScreen(ST7735_WHITE);
r++;
}
/* USER CODE END 0 */

int main(void)
{
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_SPI1_Init();

  /* USER CODE BEGIN 2 */
  ST7735_Init();
  ST7735_Backlight_On();
  /* USER CODE END 2 */

  while (1)
  {
    demoTFT();
  }
}