mirror of
https://github.com/grblHAL/core.git
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837398221b
Added G30 as optional position for tool change. Moved new tool change mode from PR#673 to $346 - Tool change options. Moved Modbus RTU code from spindle plugin to the core. Fixed bug in delayed task handler, might occasionally hang the controller.
67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/*
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protocol.h - controls Grbl execution protocol and procedures
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Part of grblHAL
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Copyright (c) 2016-2025 Terje Io
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Copyright (c) 2011-2016 Sungeun K. Jeon for Gnea Research LLC
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Copyright (c) 2009-2011 Simen Svale Skogsrud
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grblHAL 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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grblHAL 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 grblHAL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PROTOCOL_H_
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#define _PROTOCOL_H_
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#include "task.h"
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// Line buffer size from the input stream to be executed.
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// NOTE: Not a problem except for extreme cases, but the line buffer size can be too small
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// and g-code blocks can get truncated. Officially, the g-code standards support up to 256
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// characters. In future versions, this will be increased, when we know how much extra
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// memory space we can invest into here or we re-write the g-code parser not to have this
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// buffer.
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#ifndef LINE_BUFFER_SIZE
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#define LINE_BUFFER_SIZE 257 // 256 characters plus terminator
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#endif
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typedef union {
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foreground_task_ptr fn;
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on_execute_realtime_ptr fn_deprecated;
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} fg_task_ptr __attribute__ ((__transparent_union__));
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// Starts grblHAL main loop. It handles all incoming characters from the input stream and executes
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// them as they complete. It is also responsible for finishing the initialization procedures.
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bool protocol_main_loop (void);
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// Checks and executes a realtime command at various stop points in main program
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bool protocol_execute_realtime (void);
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bool protocol_exec_rt_system (void);
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void protocol_execute_noop (uint_fast16_t state);
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// Deprecated, to be deleted
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#define protocol_enqueue_foreground_task(fn, data) task_run_on_startup(fn, data)
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// Executes the auto cycle feature, if enabled.
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void protocol_auto_cycle_start (void);
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// Block until all buffered steps are executed
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bool protocol_buffer_synchronize (void);
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bool protocol_enqueue_realtime_command (char c);
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bool protocol_enqueue_gcode (char *data);
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void protocol_message (char *message);
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#endif
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