- Make it possible to enable and disable endpoints on demand
- Add internal FPGA<->CH552 communication channel (IO_CH552)
- Reorder IO endpoint numbering
- Rename endpoint from TKEYCTRL to DEBUG and update related variables
- Rename endpoint from HID to FIDO and update related variables
- Merge Makefile and Makefile.include into Makefile
- Format structure
- Remove unused variables, targets etc.
- Add missing check if it is ok to send data to the FPGA.
- Remove 'baud rate calculator.ods'
- Update encode_usb_strings.py to generate strings for
CdcCtrlInterfaceDesc, CdcDataInterfaceDesc,
FidoHidInterfaceDesc, TkeyCtrlInterfaceDesc.
Also store generated strings in UTF-16 instead of hex.
- Update usb_strings.h to match new encode_usb_strings.py
output.
- Remove unused struct SetupReqBuf.
- 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.
