48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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probe.h - code pertaining to probing methods
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Part of Grbl v0.9
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Copyright (c) 2014 Sungeun K. Jeon
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Grbl is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Grbl is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef probe_h
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#define probe_h
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// Values that define the probing state machine.
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#define PROBE_OFF 0 // No probing. (Must be zero.)
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#define PROBE_ACTIVE 1 // Actively watching the input pin.
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// Probe direction and error modes
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#define PROBE_AWAY 2 // G38.4, G38.5
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#define PROBE_NO_ERROR 4 // G38.3, G38.5
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#define PROBE_AWAY_BIT 1
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#define PROBE_NO_ERROR_BIT 2
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// Probe pin initialization routine.
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void probe_init();
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// Returns probe pin state.
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uint8_t probe_get_state(uint8_t mode);
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uint8_t probe_errors_enabled(uint8_t mode);
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// Monitors probe pin state and records the system position when detected. Called by the
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// stepper ISR per ISR tick.
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void probe_state_monitor();
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#endif
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