A core board of Huangshan Pi made by myself, with an AMOLED screen purchased from the official Taobao store. After flashing LVGL V8 Demos, the screen does not turn on. The serial port data is as follows:
First, please check whether the wiring and schematic correspond correctly with the connections on the screen expansion board. From your log, it appears that the screen driver chip has not been detected. The image shows the log output from a normal display.
