RFID reader GP30 reader dont start with a STX. So I change the code so that it can read data from this reader and other that have the same protocol

Dependents:  

Fork of ID12RFID by Simon Ford

The GP30 and other dont start with a STX. So therefore the change..

/media/uploads/gert_lauritsen/imagescope.png

Revision:
2:4fd9319c3ec3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GP30-RFID.cpp	Thu Oct 17 11:42:38 2013 +0000
@@ -0,0 +1,56 @@
+/* mbed ID12 RFID Library
+ * Copyright (c) 2007-2010, sford, http://mbed.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "GP30-RFID.h"
+
+#include "mbed.h"
+
+GP30RFID::GP30RFID(PinName rx)
+    : _rfid(NC, rx)
+{
+}
+
+int GP30RFID::readable()
+{
+ if (_rfid.readable()) {
+   read(); 
+   return 1;
+  }
+  else
+  return 0; 
+}
+
+int GP30RFID::read()
+{
+    char c=0;
+    int v = 0;
+    while (c!=CR) {
+        c=_rfid.getc();
+        if (c>='0'){
+         TAG[v]=c;
+         if (v<Taglength) v++;
+        } 
+    }
+    //TAG[Taglength]=0; //null termination
+
+    return v;
+}