Source image:

Result “C” source file for monochrome and color display.
Image on monochrome LCD 320x240 (BP320240E):

Image on color LCD 320x240 R5G6B5? (YX32B):

Image on color LCD LCD 320x240 R5G6B5 (STM32F429I-Disco + Board Support Package + ILI9341):
