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https://github.com/grblHAL/core.git
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89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/*
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sleep.c - determines and executes sleep procedures
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Part of grblHAL
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Copyright (c) 2018-2023 Terje Io
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Copyright (c) 2016 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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#include "hal.h"
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#include "state_machine.h"
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static volatile bool slumber;
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static void fall_asleep()
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{
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slumber = false;
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}
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// Starts sleep timer if running conditions are satisfied. When elapsed, sleep mode is executed.
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static void sleep_execute()
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{
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// Enable sleep timeout
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slumber = true;
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hal.delay_ms((uint32_t)(SLEEP_DURATION * 1000.0f * 60.0f), fall_asleep);
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// Fetch current number of buffered characters in input stream buffer.
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uint16_t rx_initial = hal.stream.get_rx_buffer_free();
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do {
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grbl.on_execute_realtime(state_get());
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// Monitor for any new input stream data or external events (queries, buttons, alarms) to exit.
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if ((hal.stream.get_rx_buffer_free() != rx_initial) || sys.rt_exec_state || sys.rt_exec_alarm ) {
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// Disable sleep timeout and return to normal operation.
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hal.delay_ms(0, NULL);
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return;
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}
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} while(slumber);
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// If reached, sleep counter has expired. Execute sleep procedures.
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// Notify user that Grbl has timed out and will be parking.
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// To exit sleep, resume or reset. Either way, the job will not be recoverable.
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system_set_exec_state_flag(EXEC_SLEEP);
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}
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// Checks running conditions for sleep. If satisfied, enables sleep timeout and executes
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// sleep mode upon elapse.
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// NOTE: Sleep procedures can be blocking, since Grbl isn't receiving any commands, nor moving.
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// Hence, make sure any valid running state that executes the sleep timer is not one that is moving.
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void sleep_check()
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{
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// The sleep execution feature will continue only if the machine is in an IDLE or HOLD state and
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// has any powered components enabled.
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// NOTE: With overrides or in laser mode, modal spindle and coolant state are not guaranteed. Need
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// to directly monitor and record running state during parking to ensure proper function.
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if (!sys.steppers_deenergize && (gc_state.modal.spindle.state.value || gc_state.modal.coolant.value)) {
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switch(state_get()) {
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case STATE_IDLE:
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sleep_execute();
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break;
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case STATE_HOLD:
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if(sys.holding_state == Hold_Complete)
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sleep_execute();
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break;
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case STATE_SAFETY_DOOR:
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if(sys.parking_state == Parking_DoorAjar)
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sleep_execute();
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break;
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}
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}
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}
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