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I just did some testing with a CH552 running at 3V3, and running at 24MHz is unstable; it seems to run for a few ms after changing the PLL, then it hangs. At 16MHz, it's fine. I had been running the…
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I tried using a st-link (part of a Nucleo board), and pyocd would list the adapter. If I tried to connect, I got an error saying the firmware was too old. I upgraded to the latest firmware (V2J37M27…
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I have a brandnew CH552 with btver 2.40 which cannot be flashed using the script.
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Hi @DeqingSun
First of all thank you for your work
I am triying your code for CMISIS DAP with CH552, but but I can't see the usb port of the device, is there any reference that it should appear…
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Board type only includes 551 and 552; is the 554 supported or not?
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Hi
I am making a programmer with CH552 and I am testing your great tool but I am have the next error, in openocd work fine, and with `pyocd list`
the error
```
➜ ~ pyocd erase -t nrf5…
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Thank you for your work on this. It looks very close to what I would like to achieve but there are a couple of outstanding issues.
How are you uploading to the target board? Are you doing this with…
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I'm trying to make a HTTPS request, so I'm using the firmware in https://github.com/sipeed/MaixPy/tree/develop since the `ussl` module is needed.
When I try to connect using the hostname I get `[E…
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Hi @stuartpittaway ,
Thank you for you great work for DIY powerwall community. I wanted to see if attiny can be replaced with this low cost micro which has built in USB.
While searching for suit…
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I was getting an error in the device manager for my WCH551 and WCH552 boards.
I tried setting the driver to libusbK using zadig, and still got an error. libusb-win32 worked.
The CH552 VID/PID is 43…