Jonas Thörnblad
0c456d7ecd
Set new CH552 clock frequency and baudrate for communication
...
Update CH552 clock frequency according to new datasheet. Max
clock frequency can now be 12 MHz @ 3.3v which gives a max
baudrate of 750 kbps.
2025-01-24 14:48:48 +01:00
Jonas Thörnblad
9828e1d51b
Raise UART IRQ priority and tune USB polling period
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Set UART1 IRQ to high priority to not miss any incoming bytes
and tune USB polling period (bInterval).
2025-01-23 13:47:53 +01:00
Jonas Thörnblad
68cecdfa92
Update USB polling period (bInterval) for CDC, HID and TKEYCTRL
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endpoints.
2025-01-22 15:55:51 +01:00
Jonas Thörnblad
3b03e7b051
Fix CDC configuration problem on Windows when we have a composite
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device (multiple different Device Classes). Add "Interface
Association Descriptor" to make it work.
2025-01-21 11:00:25 +01:00
Jonas Thörnblad
4239b74328
Add new USB debug pipe (TKEYCTRL).
2025-01-21 10:57:32 +01:00
Jonas Thörnblad
3ccdf8fc0f
Add incoming and outgoing CTS (Clear To Send) signals for the CH552
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- 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
2025-01-09 10:55:58 +01:00
Mikael Ågren
f1b19cb56e
Wrap accesses to UART output buffers
2025-01-09 10:55:19 +01:00
Jonas Thörnblad
25716a7c69
WIP: Add USB HID and framing support over UART
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- Add USB HID support.
- Add framing to distinguish between CDC and HID data sent over the UART.
- Add some debug printing.
- Cleanup of code and formatting.
2025-01-09 10:55:08 +01:00
Jonas Thörnblad
28c81a17f7
Move usb_strings.h for ch552_fw to the include directory
2025-01-09 10:54:57 +01:00
dehanj
354aecbed6
USB: move firmware for usb-to-serial MCU (CH552)
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Change links to the new ch552_fw directory.
2024-06-25 15:47:22 +02:00
