CH347

CH347 WebUSB library for I2C, SPI, JTAG, etc.

mode switch

s1	s2	mode	description
0	0	UART	UART0 + UART1
1	0	I2C	UART1 + I2C + SPI (VCP)
0	1	SPI	UART1 + I2C + SPI (HID)
1	1	JTAG	UART1 + JTAG

Build Web App

npm install
npm run build

Open app/index.html in browser.

Related links

https://www.wch-ic.com/downloads/CH347DS1_PDF.html

https://github.com/wuxx/USB-HS-Bridge/

https://github.com/nic3-14159/CH347-Research/blob/base/cmd_format.md

https://github.com/WCHSoftGroup/ch347/blob/main/OpenOCD_SourceCode_CH347/src/jtag/drivers/ch347.c

https://github.com/i2cy/CH347-HIDAPI/blob/master/ch347api/__spi.py

https://github.com/serfreeman1337/go-ch347/blob/main/spi.go