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                                            Martin Han

USB_ERROR_CANNOT_SET_CONFIG error on CH552

Do you have the right privilege to access usb devices? Maybe you can remove the try block and take a screen shot of the exact error it throw? (Both with...

Tried with CH568L , unsuccess. But solution found :) will place PR in near weeks.

Cool. I have my local version with debugging support, but it prints way too much stuff, and don't get time to clear it up. Welcome, PR!

Cannot flash CH559 board, but WCHISP can do it.

Hi, so my suggestion would be use the Wireshark to capture the USB sequence with the ch55xtool with debug on, comparing the difference in what the official tools send, and...

File size not detected nor updated when using new protocol.

Download still failed :( ``` sudo wchisptool -n -f ~/Downloads/usb_device_cdc.bin Binary length 3746 Now performing erase... Erase done Writing Flash Write done Verifying Flash Write failed! ```

Document module dependency matrix

But like SSL, some modules wont use it, and SSL will consume a lot RAM... How about make a trick? ``` C #ifdef MQTT #define SSL #endif ``` And cross-test...