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I've put my device into USB bootloader mode and I've previously installed libusb-win32 drivers via Zadig.
When I try to upload the firmware I get
```
>python -m ch55xtool -f .pio\build\ch559\…
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An input module that could connect to something like this:
[MPG Pendant](https://www.wish.com/product/5b10e987c25869171fbeb794)
Requires lots of inputs, so probably needs an I2C expander or som…
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My probe firmware does not provide a serial descriptor string, and pyOCD 0.28.x worked fine. 0.29.0 seems to require it now:
```
0000542:CRITICAL:__main__:uncaught exception: 'NoneType' object is n…
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Can support ST-Link V2 to download F200A
how to setup on windows ?
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Hi eb1992, thanks for the great work!
I was trying to use ShiftLcd with CH552G using the [ch55xdruino](https://github.com/DeqingSun/ch55xduino) board definitions. However, I am getting this error m…
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Hi
I have with success programed my tang nano with your tool, both:
openFPGALoader -m -b tangnano impl/pnr/*.fs
and
openFPGALoader -m -b littleBee impl/pnr/*.fs
Give a successful …
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Although the datasheet suggests the right boot pin (P5.1/DP), etc -- the CH558L does not seem to respond after its initial (successful) flash.
```
dch559 % ..../vnproch55x -r 2 -t CH558 -c 1 Blink…
dirkx updated
6 months ago
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2019年开年后，发现了[Jim](https://www.lotlab.org/)的蓝牙开源方案，基于NRF51822，感觉很不错，决定折腾蓝牙机械键盘。从1月底开始研究，购买需要的开发板、蓝牙模块、元件，打板PCB，研读源码，到最终完成成品，耗时一个月。现在基本完成，整个工程学了很多东西，比如Keli编译、单片机烧录固件、对芯片数据手册进行学习等。最终的蓝牙键盘…
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**Describe the problem:**
I've bought the DAPCat and tried to make it run under OpenOCD using the cmsis-dap interface but the device does not seem to be recognized as a CMSIS DAP device.
I tried t…
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**Summary**
I recently bought a stack of puya py32 mcu’s after reading this [article](https://jaycarlson.net/2023/02/04/the-cheapest-flash-microcontroller-you-…