Simon Ford / ID12RFID

ID12 RFID library for reading 125KHz RFID tags

Dependents:   ID12RFID_HelloWorld MyFinalDerbot RFID_CatDoor TweetRFID ... more

Files at this revision

API Documentation at this revision

Revision 1:f04afa911cf5, committed 2010-11-23

Comitter:
simon
Date:
Tue Nov 23 17:17:15 2010 +0000
Parent:
0:049d572aefe1
Commit message:
New revisin as a library

Changed in this revision

ID12RFID.cpp Show annotated file Show diff for this revision Revisions of this file
ID12RFID.h Show annotated file Show diff for this revision Revisions of this file 
--- a/ID12RFID.cpp	Thu Jun 03 13:24:04 2010 +0000
+++ b/ID12RFID.cpp	Tue Nov 23 17:17:15 2010 +0000
@@ -1,53 +1,53 @@
-/* mbed ID12 RFID Library
- * Copyright (c) 2007-2010, sford
- *
- * 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 "ID12RFID.h"
-
-#include "mbed.h"
-
-ID12RFID::ID12RFID(PinName rx)
-        : _rfid(NC, rx) {
-}
-
-int ID12RFID::readable() {
-    return _rfid.readable();
-}
-
-int ID12RFID::read() {
-    while (_rfid.getc() != 2);
-
-    int v = 0;
-    _rfid.getc(); // drop 1st 2
-    _rfid.getc();
-
-    for (int i=7; i>=0; i--) {
-        char c = _rfid.getc(); // a ascii hex char
-        int part = c - '0';
-        v |= part << (i * 4);
-    }
-    
-    for (int i=0; i<5; i++) {
-        _rfid.getc();
-    }
-    
-    return v;
-}
+/* 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 "ID12RFID.h"
+
+#include "mbed.h"
+
+ID12RFID::ID12RFID(PinName rx)
+        : _rfid(NC, rx) {
+}
+
+int ID12RFID::readable() {
+    return _rfid.readable();
+}
+
+int ID12RFID::read() {
+    while (_rfid.getc() != 2);
+
+    int v = 0;
+    _rfid.getc(); // drop 1st 2 bytes - we actually only read the lower 32-bits of the code
+    _rfid.getc();
+
+    for (int i=7; i>=0; i--) {
+        char c = _rfid.getc(); // a ascii hex char
+        int part = c - '0';
+        v |= part << (i * 4);
+    }
+    
+    for (int i=0; i<5; i++) {
+        _rfid.getc();
+    }
+    
+    return v;
+}

--- a/ID12RFID.h	Thu Jun 03 13:24:04 2010 +0000
+++ b/ID12RFID.h	Tue Nov 23 17:17:15 2010 +0000
@@ -1,73 +1,73 @@
-/* mbed ID12 RFID Library
- * Copyright (c) 2007-2010, sford
- *
- * 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.
- */
- 
-#ifndef MBED_ID12RFID_H
-#define MBED_ID12RFID_H
- 
-#include "mbed.h"
-
-/** An interface for the ID-12 RFID reader device
- *
- * @code
- * // Print RFID tag numbers
- * 
- * #include "mbed.h"
- * #include "ID12RFID.h"
- * 
- * ID12RFID rfid(p10); // serial rx
- * 
- * int main() {
- *     while(1) {
- *         if(rfid.readable()) {
- *             printf("RFID Tag number : %d\n", rfid.read());             
- *         }
- *     }
- * }
- * @endcode
- */
-class ID12RFID {
-
-public:
-    /** Create an ID12 RFID interface, connected to the specified Serial rx port
-     *
-     * @param rx Recieve pin 
-     */
-    ID12RFID(PinName rx);
-
-    /** Non blocking function to determine if an ID has been received
-     *
-     * @return Non zero value when the device is readable
-     */
-    int readable();    
-    
-    /** A blocking function that will return a tag ID when available
-     *
-     * @return The ID tag value
-     */
-    int read();
-
-private:
-    Serial _rfid;
-    
-};
-
-#endif
+/* 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.
+ */
+ 
+#ifndef MBED_ID12RFID_H
+#define MBED_ID12RFID_H
+ 
+#include "mbed.h"
+
+/** An interface for the ID-12 RFID reader device
+ *
+ * @code
+ * // Print RFID tag numbers
+ * 
+ * #include "mbed.h"
+ * #include "ID12RFID.h"
+ * 
+ * ID12RFID rfid(p10); // serial rx
+ * 
+ * int main() {
+ *     while(1) {
+ *         if(rfid.readable()) {
+ *             printf("RFID Tag number : %d\n", rfid.read());             
+ *         }
+ *     }
+ * }
+ * @endcode
+ */
+class ID12RFID {
+
+public:
+    /** Create an ID12 RFID interface, connected to the specified Serial rx port
+     *
+     * @param rx Recieve pin 
+     */
+    ID12RFID(PinName rx);
+
+    /** Non blocking function to determine if an ID has been received
+     *
+     * @return Non zero value when the device is readable
+     */
+    int readable();    
+    
+    /** A blocking function that will return a tag ID when available
+     *
+     * @return The ID tag value
+     */
+    int read();
+
+private:
+    Serial _rfid;
+    
+};
+
+#endif