Jonas Thörnblad 5c50a2b5de
Add incoming and outgoing CTS (Clear To Send) signals for the CH552
- Add CTS signals 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
2025-02-03 13:39:38 +01:00
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