Sorry I don’t know about use of the Raspberry Pi as an SWD programmer, but Segger offers free basic SW for use with their J-Link product, capable of re-flashing the XIAO boot-loader. Maybe some one else can answer your question.
Sorry I don’t know about use of the Raspberry Pi as an SWD programmer, but Segger offers free basic SW for use with their J-Link product, capable of re-flashing the XIAO boot-loader. Maybe some one else can answer your question.