Deqing Sun

I can confirm the emulated keyboard does not work on the boot screen of a Mid-2014 macbook pro while a real Dell keyboard does work. So there must be some...

For progress record: There is some progress in https://github.com/DeqingSun/ch55xduino/blob/ec3b8958397dac77035ab4ae40cd06331b51320d/ch55xduino/ch55x/libraries/Generic_Examples/examples/05.USB/HidKeyboard/src/userUsbHidKeyboard/USBhandler.c that deal with HID report access on EP0. More work need to be done to do get EP0 IN work properly.

@OmerFS I seems get it working on my Mac in boot screen. Let me know if this example work for you. https://github.com/DeqingSun/ch55xduino/tree/19f3f8c1b5a86ab0c537f0cf059bbe71e6849bd1/ch55xduino/ch55x/libraries/Generic_Examples/examples/05.USB/HidKeyboard

Updated in https://github.com/DeqingSun/ch55xduino/commit/b0067f063695398002138cd4994aa96d9a7055df No response from @OmerFS, consider fixed.

Thanks for sharing. I suppose there must be some USB request that I did not handle properly. I'll check it this weekend with a real windows machine. I suppose the...

I've tested it on Lenovo Thinkpad t410 2518-f4u 2010 Acer Aspire 4930 JAL90 2008 They both work in Bios. I'll take a look at the other projects. I tried to...

I have a feeling ROM_CFG_ADDR might have a difference in content mapping and cause the issue. Did you try to pull down another pin to see if it goes into...

As far as I know. Wch is not willing to provide serial spi programming to retail user.

Yes I did get a few CH546G. I will try to see the communication between the official tool and the chip these days.

Looks interesting. I'll look for the leftover $0.3 433M modules to get started. How is the library compare to the radio head one? https://www.airspayce.com/mikem/arduino/RadioHead/