Round Display used in Smart watches, which displays clock images. Here we are about to FLASH array using the PNGdec library. The built-in driver used in this LCD is GC9A01, with a resolution of 240RGB×240 dots, 129,600 bytes of GRAM inside. This LCD supports 12/16/18-bit data bus MCU interface, namely the formats of RGB444, RGB565, RGB666, which are commonly u