gcode streaming works

script/stream.rb

@@ -38,8 +38,8 @@ SerialPort.open('/dev/tty.usbserial-A700e0GO', 9600) do |sp|
       if prebuffer == 0
         begin
           result = sp.gets.strip
-          puts "Grbl >> #{result}" unless result == '' or result == 'ok'
-        end while result != 'ok'
+          puts "Grbl >> #{result}" #unless result == 'ok'
+        end while !(result =~ /^ok|^error/)
       else
         prebuffer -= 1
       end

serial_protocol.c

@@ -33,23 +33,21 @@ static char line[LINE_BUFFER_SIZE];
 static uint8_t char_counter;
 
 void status_message(int status_code) {
-  if (status_code) {
-    switch(status_code) {          
-      case GCSTATUS_OK:
-      printPgmString(PSTR("ok\r\n")); 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"));
-    }
+  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"));
   }
 }