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ch552: Add functionality to dynamically control USB endpoints

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- 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
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Jonas Thörnblad 2025-03-24 16:00:41 +01:00 • committed by Michael Cardell Widerkrantz
parent d94387a9e7
commit d43585ee1a
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8 changed files with 453 additions and 365 deletions
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18
hw/usb_interface/ch552_fw/inc/io.h Normal file
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#ifndef __IO_H__
#define __IO_H__
enum ioend {
IO_NONE = 0x00, // No endpoint
IO_UART = 0x01, // Only destination, raw UART access
IO_QEMU = 0x02, // Only destination, QEMU debug port
IO_CH552 = 0x10, // Internal CH552 control port
IO_DEBUG = 0x20, // HID debug port
IO_CDC = 0x40, // CDC "serial port"
IO_FIDO = 0x80, // FIDO security token port
};
enum ch552cmd {
SET_ENDPOINTS = 0x01, // Config enabled/disabled USB endpoints on the CH552
};
#endif