For you reference:
1) Save a picture (xxx.BMP) to SD card.
2) STM32 read bmp format [File Header + Info Header + (optional palette) + Raw Data].
3) Read raw data of bmp (pixel value).
4) Send initial code to TFT by SPI or other interface.
5) Set TFT x,y and send pixel data to TFT (Pixel data = raw data of bmp) |