mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-12-11 21:14:34 +00:00
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
|
/**
|
||
|
|
* Marlin 3D Printer Firmware
|
||
|
|
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
||
|
|
*
|
||
|
|
* Based on Sprinter and grbl.
|
||
|
|
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
|
||
|
|
*
|
||
|
|
* This program 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.
|
||
|
|
*
|
||
|
|
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* queue.h - The G-code command queue, which holds commands before they
|
||
|
|
* go to the parser and dispatcher.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef GCODE_QUEUE_H
|
||
|
|
#define GCODE_QUEUE_H
|
||
|
|
|
||
|
|
#include "../inc/MarlinConfig.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GCode line number handling. Hosts may include line numbers when sending
|
||
|
|
* commands to Marlin, and lines will be checked for sequentiality.
|
||
|
|
* M110 N<int> sets the current line number.
|
||
|
|
*/
|
||
|
|
extern long gcode_LastN, Stopped_gcode_LastN;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GCode Command Queue
|
||
|
|
* A simple ring buffer of BUFSIZE command strings.
|
||
|
|
*
|
||
|
|
* Commands are copied into this buffer by the command injectors
|
||
|
|
* (immediate, serial, sd card) and they are processed sequentially by
|
||
|
|
* the main loop. The gcode.process_next_command method parses the next
|
||
|
|
* command and hands off execution to individual handler functions.
|
||
|
|
*/
|
||
|
|
extern uint8_t commands_in_queue, // Count of commands in the queue
|
||
|
|
cmd_queue_index_r; // Ring buffer read position
|
||
|
|
|
||
|
|
extern char command_queue[BUFSIZE][MAX_CMD_SIZE];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialization of queue for setup()
|
||
|
|
*/
|
||
|
|
void queue_setup();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clear the Marlin command queue
|
||
|
|
*/
|
||
|
|
void clear_command_queue();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clear the serial line and request a resend of
|
||
|
|
* the next expected line number.
|
||
|
|
*/
|
||
|
|
void flush_and_request_resend();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Send an "ok" message to the host, indicating
|
||
|
|
* that a command was successfully processed.
|
||
|
|
*
|
||
|
|
* If ADVANCED_OK is enabled also include:
|
||
|
|
* N<int> Line number of the command, if any
|
||
|
|
* P<int> Planner space remaining
|
||
|
|
* B<int> Block queue space remaining
|
||
|
|
*/
|
||
|
|
void ok_to_send();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Record one or many commands to run from program memory.
|
||
|
|
* Aborts the current queue, if any.
|
||
|
|
* Note: drain_injected_commands_P() must be called repeatedly to drain the commands afterwards
|
||
|
|
*/
|
||
|
|
void enqueue_and_echo_commands_P(const char * const pgcode);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Enqueue with Serial Echo
|
||
|
|
*/
|
||
|
|
bool enqueue_and_echo_command(const char* cmd, bool say_ok=false);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add to the circular command queue the next command from:
|
||
|
|
* - The command-injection queue (injected_commands_P)
|
||
|
|
* - The active serial input (usually USB)
|
||
|
|
* - The SD card file being actively printed
|
||
|
|
*/
|
||
|
|
void get_available_commands();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the next command in the queue, optionally log it to SD, then dispatch it
|
||
|
|
*/
|
||
|
|
void advance_command_queue();
|
||
|
|
|
||
|
|
#endif // GCODE_QUEUE_H
|