renamed serial_protocol -> protocol

2011-02-18 22:11:53 +01:00
parent 6152d16205
commit 85f62111b5
5 changed files with 6 additions and 6 deletions
--- a/protocol.c
+++ b/protocol.c
@ -0,0 +1,77 @@
+/*
+  protocol.c - the serial protocol master control unit
+  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/>.
+*/
+
+#include <avr/io.h>
+#include "protocol.h"
+#include "gcode.h"
+#include "wiring_serial.h"
+#include "settings.h"
+#include "config.h"
+#include <math.h>
+#include "nuts_bolts.h"
+#include <avr/pgmspace.h>
+#define LINE_BUFFER_SIZE 50
+
+static char line[LINE_BUFFER_SIZE];
+static uint8_t char_counter;
+
+void status_message(int status_code) {
+  switch(status_code) {          
+    case GCSTATUS_OK:
+    printPgmString(PSTR("ok\n\r")); break;
+    case GCSTATUS_BAD_NUMBER_FORMAT:
+    printPgmString(PSTR("error: Bad number format\n\r")); break;
+    case GCSTATUS_EXPECTED_COMMAND_LETTER:
+    printPgmString(PSTR("error: Expected command letter\n\r")); break;
+    case GCSTATUS_UNSUPPORTED_STATEMENT:
+    printPgmString(PSTR("error: Unsupported statement\n\r")); break;
+    case GCSTATUS_FLOATING_POINT_ERROR:
+    printPgmString(PSTR("error: Floating point error\n\r")); break;
+    default:
+    printPgmString(PSTR("error: "));
+    printInteger(status_code);
+    printPgmString(PSTR("\n\r"));
+  }
+}
+
+void sp_init() 
+{
+  beginSerial(BAUD_RATE);  
+  printPgmString(PSTR("\r\nGrbl " GRBL_VERSION));
+  printPgmString(PSTR("\r\n"));  
+}
+
+void sp_process()
+{
+  char c;
+  while((c = serialRead()) != -1) 
+  {
+    if((char_counter > 0) && ((c == '\n') || (c == '\r'))) {  // Line is complete. Then execute!
+      line[char_counter] = 0; // treminate string
+      status_message(gc_execute_line(line));
+      char_counter = 0; // reset line buffer index
+    } else if (c <= ' ') { // Throw away whitepace and control characters
+    } else if (c >= 'a' && c <= 'z') { // Upcase lowercase
+      line[char_counter++] = c-'a'+'A';
+    } else {
+      line[char_counter++] = c;
+    }
+  }
+}