pi-swd-spi
Implementation of SWD protocol with Raspberry Pi Bidirectional SPI
Why implement SWD over Bidirectional SPI on Raspberry Pi? Because SWD over Bit-Banging GPIO has timing issues that affect OpenOCD flashing...
https://gist.github.com/lupyuen/18e66c3e81e11050a10d1192c5b84bb0
Based on SWD protocol from...