Configuration, and jumper setting (a single jumper per stepper) is verified against [
www.youtube.com] (part 1 and two)
The sensorless homing pins clipped on Bigtreetech TMC2209-1.2
The printer "works" - except for not utilizing TMC2209 , not being able to set current, or communicate with them.
#define ?_DRIVER_TYPE TCM2209
#define TMC_DEBUG
and other settings applied (config attached) Marlin 2.0.x-bugfix branch.
Still. the M122 , M906 and other TMC related commands are "unknown" - nor is there anything stepper-related on the display.