It has been a while since I touched my CH32Vxxx boards. If I want to have a look at them again, I will need an OpenOCD version with support for the WCH-Link and WCH_LinkE. Looking around online, I found the most recent version is found at https://github.com/cjacker/wch-openocd, currently at commit 2b6802d, which was 2 years…