Diff: api/Serial.h

Revision:

144:ef7eb2e8f9f7

Parent:

0:9b334a45a8ff

--- a/api/Serial.h	Tue Aug 02 14:07:36 2016 +0000
+++ b/api/Serial.h	Fri Sep 02 15:07:44 2016 +0100
@@ -1,74 +1,81 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef MBED_SERIAL_H
-#define MBED_SERIAL_H
-
-#include "platform.h"
-
-#if DEVICE_SERIAL
-
-#include "Stream.h"
-#include "SerialBase.h"
-#include "serial_api.h"
-
-namespace mbed {
-
-/** A serial port (UART) for communication with other serial devices
- *
- * Can be used for Full Duplex communication, or Simplex by specifying
- * one pin as NC (Not Connected)
- *
- * Example:
- * @code
- * // Print "Hello World" to the PC
- *
- * #include "mbed.h"
- *
- * Serial pc(USBTX, USBRX);
- *
- * int main() {
- *     pc.printf("Hello World\n");
- * }
- * @endcode
- */
-class Serial : public SerialBase, public Stream {
-
-public:
-#if DEVICE_SERIAL_ASYNCH
-    using SerialBase::read;
-    using SerialBase::write;
-#endif
-
-    /** Create a Serial port, connected to the specified transmit and receive pins
-     *
-     *  @param tx Transmit pin
-     *  @param rx Receive pin
-     *
-     *  @note
-     *    Either tx or rx may be specified as NC if unused
-     */
-    Serial(PinName tx, PinName rx, const char *name=NULL);
-
-protected:
-    virtual int _getc();
-    virtual int _putc(int c);
-};
-
-} // namespace mbed
-
-#endif
-
-#endif
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_SERIAL_H
+#define MBED_SERIAL_H
+
+#include "platform.h"
+
+#if DEVICE_SERIAL
+
+#include "Stream.h"
+#include "SerialBase.h"
+#include "PlatformMutex.h"
+#include "serial_api.h"
+
+namespace mbed {
+
+/** A serial port (UART) for communication with other serial devices
+ *
+ * Can be used for Full Duplex communication, or Simplex by specifying
+ * one pin as NC (Not Connected)
+ *
+ * @Note Synchronization level: Thread safe
+ *
+ * Example:
+ * @code
+ * // Print "Hello World" to the PC
+ *
+ * #include "mbed.h"
+ *
+ * Serial pc(USBTX, USBRX);
+ *
+ * int main() {
+ *     pc.printf("Hello World\n");
+ * }
+ * @endcode
+ */
+class Serial : public SerialBase, public Stream {
+
+public:
+#if DEVICE_SERIAL_ASYNCH
+    using SerialBase::read;
+    using SerialBase::write;
+#endif
+
+    /** Create a Serial port, connected to the specified transmit and receive pins
+     *
+     *  @param tx Transmit pin
+     *  @param rx Receive pin
+     *
+     *  @note
+     *    Either tx or rx may be specified as NC if unused
+     */
+    Serial(PinName tx, PinName rx, const char *name=NULL);
+
+protected:
+    virtual int _getc();
+    virtual int _putc(int c);
+    virtual void lock();
+    virtual void unlock();
+
+    PlatformMutex _mutex;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif