gcode.h

/*
  gcode.c - rs274/ngc parser.
  Part of Grbl

  Copyright (c) 2009-2011 Simen Svale Skogsrud

  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 gcode_h
#define gcode_h

#include <avr/io.h>
#include <avr/pgmspace.h>

#define STATUS_OK 0
#define STATUS_RX_BUFFER_OVERFLOW 1
#define STATUS_LINE_BUFFER_OVERFLOW 2
#define STATUS_TRANSMISSION_ERROR 3
#define STATUS_BAD_NUMBER_FORMAT 4
#define STATUS_EXPECTED_COMMAND_LETTER 5
#define STATUS_UNSUPPORTED_STATEMENT 6
#define STATUS_SERIAL_STOP_REQUEST 7
#define STATUS_LIMIT_HIT 8
#define STATUS_POWER_OFF 9
// #define STATUS_DOOR_OPEN 10
// #define STATUS_CHILLER_OFF 11


// Initialize the parser
void gcode_init();

// read chars from serial
// blocks until a whole line has been received
void gcode_process_line();

// Execute one line of rs275/ngc/g-code
// blocks when 
uint8_t gcode_execute_line(char *line);

// update to stepper position when steppers have been stopped
// called from the stepper code that executes the stop
void gcode_request_position_update();

#endif