Limit switch¶
Subminiature basic switch with a lever actuator at the positive end of travel. The firmware homes against it and uses it as the hardware stop for negative motion through the driver's reference input.
| Vendor | Omron |
| Part number | D2F-01FL |
| Where | one per station |
| Model nodes | D2F_01FL:* |
Connection¶
| Board | Connector | Cable |
|---|---|---|
| mouse-joystick-pcb | J1601 |
Joystick harness (motor, encoder, limit switch) |
Circuit¶
Schematic block motor_encoder_switch/limit_switch_debounced_input_vertical on the joystick board: its page on the board's site has the schematic, the parts with their sourcing, the ports and where the block sits on the board; the interface map and the schematic PDF at the tagged revision cover the rest.
Firmware¶
Files: mouse-joystick-firm/src/MotionSetup.hpp, mouse-joystick-firm/src/TmcMotion.hpp
Protocol: HOME, ev HOMED (protocol)
Proved by: mouse-joystick-firm/examples/MotionAndHoming; measurements in the bring-up log by board serial.
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