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I've been able to program a CH552T on (Debian) Linux using
$ objcopy -I ihex -O binary tinyspiDw20200623.hex tinyspiDw20200623.bin
$ ./isp55e0 -f tinyspiDw20200623.bin
Found device CH552
Bootl…
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如解码xilinx fpga jtag配置时序的时候非常慢,cpu占用并不高。希望优化提速。
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Hi, just wondering if you have a dump of the original firmware that came with this device?
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Tested in macOS Catalina 10.15.7 and macOS Mojave 10.14.6
## 1. Burn bootloader in Arduino IDE to confirm your board is working properly.
If you can burn bootloader, it means your CH552 board, A…
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https://wiki.sipeed.com/soft/maixpy/zh/get_started/install_driver/bit.html
maixpy Maix Bit USB 驱动安装
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Hello! I was trying out your custom knob code that you uploaded recently on Arduino IDE. I uploaded the code to the ch552 without any changes as the comments said it was a volume control knob. The cod…
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First off a big thank you for creating this and putting it on github!
I created a board with a CH551 on it to use as a build in SWD, however the DAPLink would become unresponsive. After some debugg…
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Linux (Ubuntu 20.10):
```
$ wchisptool
Error while bulking in: LIBUSB_ERROR_OVERFLOW
Libre CH551 Flasher 2018
The chip id 0x00 is currently not support in this program
```
I did get a few co…
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The ch552 has a guaranteed (per datasheet...) firmware write lifetime of 200 writes. This is quite little, and for experimenters easy to pass in a couple days. If the key config (which characters are …
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i tried the code. connection detected and started to receive pd messages on cc1 pin (P1.4). Yet no gpip interrupts received. The cc1 signal swings between 0 to 1V only and wonder if it is too low to g…