grbl/protocol.h

53 wiersze
1.8 KiB
C

/*
protocol.h - the serial protocol master control unit
Part of Grbl
Copyright (c) 2009-2011 Simen Svale Skogsrud
Copyright (c) 2011-2012 Sungeun K. Jeon
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/>.
*/
#ifndef protocol_h
#define protocol_h
#include <avr/sleep.h>
// Line buffer size from the serial input stream to be executed.
// NOTE: Not a problem except for extreme cases, but the line buffer size can be too small
// and g-code blocks can get truncated. Officially, the g-code standards support up to 256
// characters. In future versions, this will be increased, when we know how much extra
// memory space we can invest into here or we re-write the g-code parser not to have his
// buffer.
#ifndef LINE_BUFFER_SIZE
#define LINE_BUFFER_SIZE 70
#endif
// Initialize the serial protocol
void protocol_init();
// Read command lines from the serial port and execute them as they
// come in. Blocks until the serial buffer is emptied.
void protocol_process();
// Executes one line of input according to protocol
uint8_t protocol_execute_line(char *line);
// Checks and executes a runtime command at various stop points in main program
void protocol_execute_runtime();
// Execute the startup script lines stored in EEPROM upon initialization
void protocol_execute_startup();
#endif