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2 commits

Author SHA1 Message Date
Jonas Thörnblad
50aacb4a5c
ch552: Use the new hardware CTS signals for UART access 
- Use CTS signals to let the FPGA and CH552 signal each other that
    it is OK send UART data.
  - Update the CH552 rx and frame handling logic.
  - Fix minor spelling errors and indentation
 2025-02-06 16:20:35 +01:00
Jonas Thörnblad
b443359e9c
ch552: Add USB HID and protocol support over UART 
- Add USB HID support.
- Introduce a small protocol to distinguish between CDC and HID data
  sent over the UART.
- Add some debug printing.
- Cleanup of code and formatting.
 2025-02-06 16:20:34 +01:00