78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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* Copyright (C) 2017 Victor Perez
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*
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* This program 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef _ENDSTOP_INTERRUPTS_H_
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#define _ENDSTOP_INTERRUPTS_H_
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volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
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// Must be reset to 0 by the test function when finished.
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// This is what is really done inside the interrupts.
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FORCE_INLINE void endstop_ISR_worker( void ) {
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e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
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}
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// One ISR for all EXT-Interrupts
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void endstop_ISR(void) { endstop_ISR_worker(); }
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void setup_endstop_interrupts(void) {
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#if HAS_X_MAX
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pinMode(X_MAX_PIN, INPUT);
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attachInterrupt(X_MAX_PIN, endstop_ISR, CHANGE); // assign it
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#endif
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#if HAS_X_MIN
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pinMode(X_MIN_PIN, INPUT);
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attachInterrupt(X_MIN_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Y_MAX
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pinMode(Y_MAX_PIN, INPUT);
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attachInterrupt(Y_MAX_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Y_MIN
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pinMode(Y_MIN_PIN, INPUT);
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attachInterrupt(Y_MIN_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Z_MAX
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pinMode(Z_MAX_PIN, INPUT);
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attachInterrupt(Z_MAX_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Z_MIN
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pinMode(Z_MIN_PIN, INPUT);
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attachInterrupt(Z_MIN_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Z2_MAX
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pinMode(Z2_MAX_PIN, INPUT);
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attachInterrupt(Z2_MAX_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Z2_MIN
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pinMode(Z2_MIN_PIN, INPUT);
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attachInterrupt(Z2_MIN_PIN, endstop_ISR, CHANGE);
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#endif
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#if HAS_Z_MIN_PROBE_PIN
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pinMode(Z_MIN_PROBE_PIN, INPUT);
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attachInterrupt(Z_MIN_PROBE_PIN, endstop_ISR, CHANGE);
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#endif
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}
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#endif //_ENDSTOP_INTERRUPTS_H_
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