67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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serial_protocol.c - the serial protocol master control unit
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Part of Grbl
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Copyright (c) 2009 Simen Svale Skogsrud
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Grbl 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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Grbl 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 Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/io.h>
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#include "serial_protocol.h"
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#include "gcode.h"
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#include "wiring_serial.h"
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#include "config.h"
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#include <math.h>
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#include "nuts_bolts.h"
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#include <avr/pgmspace.h>
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#define LINE_BUFFER_SIZE 50
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char line[LINE_BUFFER_SIZE];
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uint8_t char_counter;
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void prompt() {
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printPgmString(PSTR("ok\r\n"));
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}
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void sp_init()
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{
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beginSerial(BAUD_RATE);
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printPgmString(PSTR("\r\nGrbl "));
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printPgmString(PSTR(VERSION));
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printPgmString(PSTR("\r\n"));
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prompt();
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}
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void sp_process()
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{
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char c;
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while((c = serialRead()) != -1)
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{
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if((char_counter > 0) && ((c == '\n') || (c == '\r'))) { // Line is complete. Then execute!
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line[char_counter] = 0;
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printString(line); printPgmString(PSTR("\r\n"));
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gc_execute_line(line);
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char_counter = 0;
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prompt();
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} else if (c <= ' ') { // Throw away whitepace and control characters
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} else if (c >= 'a' && c <= 'z') { // Upcase lowercase
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line[char_counter++] = c-'a'+'A';
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} else {
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line[char_counter++] = c;
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}
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}
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}
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