GRBL-Advanced/grbl/Probe.h

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1.7 KiB
C

/*
Probe.h - code pertaining to probing methods
Part of Grbl-Advanced
Copyright (c) 2014-2016 Sungeun K. Jeon for Gnea Research LLC
Copyright (c) 2017 Patrick F.
Grbl-Advanced 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-Advanced 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-Advanced. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PROBE_H
#define PROBE_H
#include <stdint.h>
// Values that define the probing state machine.
#define PROBE_OFF 0 // Probing disabled or not in use. (Must be zero.)
#define PROBE_ACTIVE 1 // Actively watching the input pin.
// Probe pin initialization routine.
void Probe_Init(void);
void Probe_Reset(void);
// Called by probe_init() and the mc_probe() routines. Sets up the probe pin invert mask to
// appropriately set the pin logic according to setting for normal-high/normal-low operation
// and the probing cycle modes for toward-workpiece/away-from-workpiece.
void Probe_ConfigureInvertMask(uint8_t is_probe_away);
// Returns probe pin state. Triggered = true. Called by gcode parser and probe state monitor.
uint8_t Probe_GetState(void);
// Monitors probe pin state and records the system position when detected. Called by the
// stepper ISR per ISR tick.
void Probe_StateMonitor(void);
#endif // PROBE_H