61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/*
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simulator.h - functions to simulate how the buffer is emptied and the
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stepper interrupt is called
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Part of Grbl Simulator
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Copyright (c) 2012 Jens Geisler
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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 simulator_h
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#define simulator_h
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#include <stdio.h>
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#include "../nuts_bolts.h"
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// Output file handles
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extern FILE *block_out_file;
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extern FILE *step_out_file;
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// This variable is needed to determine if execute_runtime() is called in a loop
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// waiting for the buffer to empty, as in plan_synchronize()
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extern int runtime_second_call;
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// Minimum time step for printing stepper values. Given by user via command line
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extern double step_time;
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// global system variable structure for position etc.
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extern system_t sys;
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extern uint8_t print_comment;
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// Call the stepper interrupt until one block is finished
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void sim_stepper();
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// Check if buffer is full or if plan_synchronize() wants to clear the buffer
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void handle_buffer();
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// Print information about the most recently inserted block
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void printBlock();
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// Calculate the time between stepper interrupt calls from TCCR1B and OCR1A AVR registers
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// which are set in config_step_timer in stepper.c
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// This reconstructs the stepper-internal value of variable st.cycles_per_step_event
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// The reconstruction is done to truely decouple the simulator from the actual grbl code
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double get_step_time();
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#endif
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