I have a 0.85-inch IPS display, GC9107, its resolution is 128X128, support SPI interface, for this I drew a PCB.

After a period of waiting and debugging, I successfully used CH582M to light up the 0.85-inch display, and ported the µGUI.

• MOSI------------PA14
• SCLK------------PA13
• CS---------------PA15
• DC---------------PB4
• BL----------------PB7
• RST--------------PB15

The project source : CH582M_spi.zip