This version of the famous Grbl adds values in the work-coordinate-system (WCS) to the probing command. See x2grbl why you might want this.

serial.h 2.0KB

    /* serial.c - Low level functions for sending and recieving bytes via the serial port Part of Grbl v0.9 Copyright (c) 2012-2014 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 <>. */ /* This file is based on work from Grbl v0.8, distributed under the terms of the MIT-license. See COPYING for more details. Copyright (c) 2009-2011 Simen Svale Skogsrud Copyright (c) 2011-2012 Sungeun K. Jeon */ #ifndef serial_h #define serial_h #ifndef RX_BUFFER_SIZE #define RX_BUFFER_SIZE 128 #endif #ifndef TX_BUFFER_SIZE #define TX_BUFFER_SIZE 64 #endif #define SERIAL_NO_DATA 0xff #ifdef ENABLE_XONXOFF #define RX_BUFFER_FULL 96 // XOFF high watermark #define RX_BUFFER_LOW 64 // XON low watermark #define SEND_XOFF 1 #define SEND_XON 2 #define XOFF_SENT 3 #define XON_SENT 4 #define XOFF_CHAR 0x13 #define XON_CHAR 0x11 #endif void serial_init(); // Writes one byte to the TX serial buffer. Called by main program. void serial_write(uint8_t data); // Fetches the first byte in the serial read buffer. Called by main program. uint8_t serial_read(); // Reset and empty data in read buffer. Used by e-stop and reset. void serial_reset_read_buffer(); // Returns the number of bytes used in the RX serial buffer. uint8_t serial_get_rx_buffer_count(); // Returns the number of bytes used in the TX serial buffer. // NOTE: Not used except for debugging and ensuring no TX bottlenecks. uint8_t serial_get_tx_buffer_count(); #endif