124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/*
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coolant_control.c - coolant control methods
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Part of Grbl
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Copyright (c) 2012-2016 Sungeun K. Jeon for Gnea Research LLC
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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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#include "grbl.h"
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void coolant_init()
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{
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COOLANT_FLOOD_DDR |= (1 << COOLANT_FLOOD_BIT); // Configure as output pin
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#ifdef ENABLE_M7
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COOLANT_MIST_DDR |= (1 << COOLANT_MIST_BIT);
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#endif
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coolant_stop();
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}
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// Returns current coolant output state. Overrides may alter it from programmed state.
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uint8_t coolant_get_state()
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{
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uint8_t cl_state = COOLANT_STATE_DISABLE;
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#ifdef INVERT_COOLANT_FLOOD_PIN
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if (bit_isfalse(COOLANT_FLOOD_PORT,(1 << COOLANT_FLOOD_BIT))) {
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#else
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if (bit_istrue(COOLANT_FLOOD_PORT,(1 << COOLANT_FLOOD_BIT))) {
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#endif
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cl_state |= COOLANT_STATE_FLOOD;
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}
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#ifdef ENABLE_M7
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#ifdef INVERT_COOLANT_MIST_PIN
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if (bit_isfalse(COOLANT_MIST_PORT,(1 << COOLANT_MIST_BIT))) {
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#else
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if (bit_istrue(COOLANT_MIST_PORT,(1 << COOLANT_MIST_BIT))) {
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#endif
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cl_state |= COOLANT_STATE_MIST;
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}
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#endif
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return(cl_state);
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}
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// Directly called by coolant_init(), coolant_set_state(), and mc_reset(), which can be at
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// an interrupt-level. No report flag set, but only called by routines that don't need it.
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void coolant_stop()
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{
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#ifdef INVERT_COOLANT_FLOOD_PIN
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COOLANT_FLOOD_PORT |= (1 << COOLANT_FLOOD_BIT);
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#else
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COOLANT_FLOOD_PORT &= ~(1 << COOLANT_FLOOD_BIT);
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#endif
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delay_ms(1); // workaround for toolchain error
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#ifdef ENABLE_M7
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#ifdef INVERT_COOLANT_MIST_PIN
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COOLANT_MIST_PORT |= (1 << COOLANT_MIST_BIT);
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#else
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COOLANT_MIST_PORT &= ~(1 << COOLANT_MIST_BIT);
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#endif
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#endif
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}
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// Main program only. Immediately sets flood coolant running state and also mist coolant,
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// if enabled. Also sets a flag to report an update to a coolant state.
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// Called by coolant toggle override, parking restore, parking retract, sleep mode, g-code
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// parser program end, and g-code parser coolant_sync().
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void coolant_set_state(uint8_t mode)
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{
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if (sys.abort) { return; } // Block during abort.
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if (mode == COOLANT_DISABLE) {
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coolant_stop();
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} else {
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if (mode & COOLANT_FLOOD_ENABLE) {
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#ifdef INVERT_COOLANT_FLOOD_PIN
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COOLANT_FLOOD_PORT &= ~(1 << COOLANT_FLOOD_BIT);
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#else
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COOLANT_FLOOD_PORT |= (1 << COOLANT_FLOOD_BIT);
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#endif
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}
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delay_ms(1); // workaround for toolchain error
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#ifdef ENABLE_M7
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if (mode & COOLANT_MIST_ENABLE) {
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#ifdef INVERT_COOLANT_MIST_PIN
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COOLANT_MIST_PORT &= ~(1 << COOLANT_MIST_BIT);
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#else
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COOLANT_MIST_PORT |= (1 << COOLANT_MIST_BIT);
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#endif
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}
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#endif
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}
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sys.report_ovr_counter = 0; // Set to report change immediately
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}
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// G-code parser entry-point for setting coolant state. Forces a planner buffer sync and bails
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// if an abort or check-mode is active.
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void coolant_sync(uint8_t mode)
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{
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if (sys.state == STATE_CHECK_MODE) { return; }
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protocol_buffer_synchronize(); // Ensure coolant turns on when specified in program.
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coolant_set_state(mode);
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}
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