Hello, I am using emWin to control a small 1 bit OLED (SSD1306) display. I am using the GUIDRV_Lin driver as it is the only one provided in the STemWin package that supports 1 bit/pixel. The implementation is rather simple - the LCD driver only supports the init command and GUIDRV_Lin writes directly into the framebuffer. All I have to add is after displaying something (eg write some text), I have to manually copy the contents of the framebuffer to the OLED module via SPI. Probably this is not t…