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probe.h
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probe.h
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/*
probe.h - code pertaining to probing methods
Part of Grbl v0.9
Copyright (c) 2014 Sungeun K. Jeon
Grbl is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Grbl is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Grbl. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef probe_h
#define probe_h
// Values that define the probing state machine.
#define PROBE_OFF 0 // No probing. (Must be zero.)
#define PROBE_ACTIVE 1 // Actively watching the input pin.
// Probe pin initialization routine.
void probe_init();
// Returns probe pin state.
uint8_t probe_get_state();
// Monitors probe pin state and records the system position when detected. Called by the
// stepper ISR per ISR tick.
void probe_state_monitor();
#endif