WCHlink module can be used for online debugging and downloading of qinheng risc-v architecture MCU, and also for online debugging and downloading all of ARM core MCU with SWD interface. At the same time, it has 1 serial port to facilitate debugging output.
According to specification all DAPLink devices should have "CMSIS-DAP" in "iProduct". Please, fix this in firmware.
https://github.com/probe-rs/probe-rs/pull/1004