output stream library using SYS_WRITEC(0x03).

Revision:
0:e1f35ee051ae
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SWDSerial.h	Sun Sep 08 14:14:30 2013 +0000
@@ -0,0 +1,20 @@
+#pragma once
+#include "Stream.h"
+
+namespace mbed {
+
+class SWDSerial : public Stream {
+public:
+    void baud(int baudrate){}
+    enum Parity {
+        None = 0,
+    };
+    void format(int bits=8, Parity parity=SWDSerial::None, int stop_bits=1){}
+    int readable();
+    int writeable();
+protected:
+    virtual int _getc();
+    virtual int _putc(int c);
+};
+
+} // namespace mbed