GMMK Dump FW - gloryhzw/qmk_tool GitHub Wiki

Follow Paul's guide: https://github.com/PaulGameDev/GMMK_RE

Full

Pin	Definition
J1	5V
J2	GND
J3	SWCLK
J4	SWDIO
J5	TBD
J6	TBD

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Tape wire dump

U can tape a thin wire on to J3 and J4. NO NEED TO SOLDER!!!

1. connect SWDIO and SWCLK only (connect GND if got issues)
2. connect BOOT to GND (boot pin https://github.com/gloryhzw/qmk_tool/wiki/GMMK-Short-Boot-Pin)
3. insert keyboard USB
4. release BOOT to GND
5. insert STLINK USB
6. run openocd