grbl-LPC-CoreXY/grbl/coolant_control.c
2019-11-18 14:29:56 +01:00

124 lines
3.6 KiB
C

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