Revision 10:39188e266f53, committed 2023-03-06

Comitter:

cyliang

Date:

Mon Mar 06 05:37:33 2023 +0000

Parent:

9:b300117f3ed7

Commit message:

Remove BufferSerial lib, target OS v6.x only

Changed in this revision

--- a/BufferSerial/BufferSerial.cpp	Mon Mar 06 05:36:05 2023 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,183 +0,0 @@
-/**
- * @file    BufferSerial.cpp
- * @brief   Software Buffer - Extends mbed Serial functionallity adding irq driven TX and RX
- * @author  sam grove
- * @version 1.0
- * @see
- *
- * Copyright (c) 2013
- *
- * 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.
- */
-
-#include "BufferSerial.h"
-#include <stdarg.h>
-
-#if MBED_MAJOR_VERSION >= 6
-
-BufferSerial::BufferSerial(PinName tx, PinName rx, uint32_t buf_size, uint32_t tx_multiple, const char* name)
-    : MyUnbufferedSerial(tx, rx) , _rxbuf(buf_size), _txbuf((uint32_t)(tx_multiple*buf_size))
-#else
-BufferSerial::BufferSerial(PinName tx, PinName rx, uint32_t buf_size, uint32_t tx_multiple, const char* name)
-    : RawSerial(tx, rx) , _rxbuf(buf_size), _txbuf((uint32_t)(tx_multiple*buf_size))
-#endif
-{
-#if MBED_MAJOR_VERSION >= 6
-    MyUnbufferedSerial::attach(callback(this, &BufferSerial::rxIrq), SerialBase::RxIrq);
-#else
-    RawSerial::attach(this, &BufferSerial::rxIrq, Serial::RxIrq);
-#endif
-    this->_buf_size = buf_size;
-    this->_tx_multiple = tx_multiple;   
-    return;
-}
-
-BufferSerial::~BufferSerial(void)
-{
-#if MBED_MAJOR_VERSION >= 6
-    MyUnbufferedSerial::attach(NULL, MyUnbufferedSerial::RxIrq);
-    MyUnbufferedSerial::attach(NULL, MyUnbufferedSerial::TxIrq);
-#else
-    RawSerial::attach(NULL, RawSerial::RxIrq);
-    RawSerial::attach(NULL, RawSerial::TxIrq);
-#endif
-
-    return;
-}
-
-int BufferSerial::readable(void)
-{
-    return _rxbuf.available();  // note: look if things are in the buffer
-}
-
-int BufferSerial::writeable(void)
-{
-    return 1;   // buffer allows overwriting by design, always true
-}
-
-int BufferSerial::getc(void)
-{
-    return _rxbuf;
-}
-
-int BufferSerial::putc(int c)
-{
-    _txbuf = (char)c;
-    BufferSerial::prime();
-
-    return c;
-}
-
-int BufferSerial::puts(const char *s)
-{
-    if (s != NULL) {
-        const char* ptr = s;
-    
-        while(*(ptr) != 0) {
-            _txbuf = *(ptr++);
-        }
-        _txbuf = '\n';  // done per puts definition
-        BufferSerial::prime();
-    
-        return (ptr - s) + 1;
-    }
-    return 0;
-}
-
-int BufferSerial::printf(const char* format, ...)
-{
-    char buffer[this->_buf_size];
-    memset(buffer,0,this->_buf_size);
-    int r = 0;
-
-    va_list arg;
-    va_start(arg, format);
-    r = vsprintf(buffer, format, arg);
-    // this may not hit the heap but should alert the user anyways
-    if(r > this->_buf_size) {
-        error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__,this->_buf_size,r);
-        va_end(arg);
-        return 0;
-    }
-    va_end(arg);
-    r = BufferSerial::write(buffer, r);
-
-    return r;
-}
-
-ssize_t BufferSerial::write(const void *s, size_t length)
-{
-    if (s != NULL && length > 0) {
-        const char* ptr = (const char*)s;
-        const char* end = ptr + length;
-    
-        while (ptr != end) {
-            _txbuf = *(ptr++);
-        }
-        BufferSerial::prime();
-    
-        return ptr - (const char*)s;
-    }
-    return 0;
-}
-
-
-void BufferSerial::rxIrq(void)
-{
-    // read from the peripheral and make sure something is available
-    if(serial_readable(&_serial)) {
-        _rxbuf = serial_getc(&_serial); // if so load them into a buffer
-    }
-
-    return;
-}
-
-void BufferSerial::txIrq(void)
-{
-    // see if there is room in the hardware fifo and if something is in the software fifo
-    while(serial_writable(&_serial)) {
-        if(_txbuf.available()) {
-            serial_putc(&_serial, (int)_txbuf.get());
-        } else {
-            // disable the TX interrupt when there is nothing left to send
-#if MBED_MAJOR_VERSION >= 6
-            MyUnbufferedSerial::attach(NULL, MyUnbufferedSerial::TxIrq);
-#else
-            RawSerial::attach(NULL, RawSerial::TxIrq);
-#endif
-            break;
-        }
-    }
-
-    return;
-}
-
-void BufferSerial::prime(void)
-{
-    // if already busy then the irq will pick this up
-    if(serial_writable(&_serial)) {
-#if MBED_MAJOR_VERSION >= 6
-        MyUnbufferedSerial::attach(NULL, MyUnbufferedSerial::TxIrq);    // make sure not to cause contention in the irq
-        BufferSerial::txIrq();                // only write to hardware in one place
-        MyUnbufferedSerial::attach(callback(this, &BufferSerial::txIrq), MyUnbufferedSerial::TxIrq);
-#else
-        RawSerial::attach(NULL, RawSerial::TxIrq);    // make sure not to cause contention in the irq
-        BufferSerial::txIrq();                // only write to hardware in one place
-        RawSerial::attach(this, &BufferSerial::txIrq, RawSerial::TxIrq);
-#endif
-    }
-
-    return;
-}
-
-

--- a/BufferSerial/BufferSerial.h	Mon Mar 06 05:36:05 2023 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,154 +0,0 @@
-
-/**
- * @file    BufferSerial.h
- * @brief   Software Buffer - Extends mbed Serial functionallity adding irq driven TX and RX
- * @author  sam grove
- * @version 1.0
- * @see     
- *
- * Copyright (c) 2013
- *
- * 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 BUFFEREDSERIAL_H
-#define BUFFEREDSERIAL_H
- 
-#include "mbed.h"
-#include "MyBuffer.h"
-
-#if (MBED_MAJOR_VERSION == 5) && (MBED_MINOR_VERSION >= 2)
-#elif (MBED_MAJOR_VERSION == 2) && (MBED_PATCH_VERSION > 130)
-#else
-//#error "BufferSerial version 13 and newer requires use of Mbed OS 5.2.0 and newer or Mbed 2 version 130 and newer. Use BufferSerial version 12 and older or upgrade the Mbed version.
-#endif
-
-/** 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
- *  #include "mbed.h"
- *  #include "BufferSerial.h"
- *
- *  BufferSerial pc(USBTX, USBRX);
- *
- *  int main()
- *  { 
- *      while(1)
- *      {
- *          Timer s;
- *        
- *          s.start();
- *          pc.printf("Hello World - buffer\n");
- *          int buffer_time = s.read_us();
- *          wait(0.1f); // give time for the buffer to empty
- *        
- *          s.reset();
- *          printf("Hello World - blocking\n");
- *          int polled_time = s.read_us();
- *          s.stop();
- *          wait(0.1f); // give time for the buffer to empty
- *        
- *          pc.printf("printf buffer took %d us\n", buffer_time);
- *          pc.printf("printf blocking took %d us\n", polled_time);
- *          wait(0.5f);
- *      }
- *  }
- * @endcode
- */
-
-/**
- *  @class BufferSerial
- *  @brief Software buffers and interrupt driven tx and rx for Serial
- */  
-
-#if MBED_MAJOR_VERSION >= 6 
-#include "MyUnbufferedSerial.h"
-class BufferSerial : public MyUnbufferedSerial
-{
-#else
-class BufferSerial : public RawSerial 
-{
-#endif
-
-private:
-    MyBuffer <char> _rxbuf;
-    MyBuffer <char> _txbuf;
-    uint32_t      _buf_size;
-    uint32_t      _tx_multiple;
- 
-    void rxIrq(void);
-    void txIrq(void);
-    void prime(void);
-    
-public:
-    /** Create a BufferSerial port, connected to the specified transmit and receive pins
-     *  @param tx Transmit pin
-     *  @param rx Receive pin
-     *  @param buf_size printf() buffer size
-     *  @param tx_multiple amount of max printf() present in the internal ring buffer at one time
-     *  @param name optional name
-     *  @note Either tx or rx may be specified as NC if unused
-     */
-    BufferSerial(PinName tx, PinName rx, uint32_t buf_size = 256, uint32_t tx_multiple = 4,const char* name=NULL);
-    
-    /** Destroy a BufferSerial port
-     */
-    virtual ~BufferSerial(void);
-    
-    /** Check on how many bytes are in the rx buffer
-     *  @return 1 if something exists, 0 otherwise
-     */
-    virtual int readable(void);
-    
-    /** Check to see if the tx buffer has room
-     *  @return 1 always has room and can overwrite previous content if too small / slow
-     */
-    virtual int writeable(void);
-    
-    /** Get a single byte from the BufferSerial Port.
-     *  Should check readable() before calling this.
-     *  @return A byte that came in on the Serial Port
-     */
-    virtual int getc(void);
-    
-    /** Write a single byte to the BufferSerial Port.
-     *  @param c The byte to write to the Serial Port
-     *  @return The byte that was written to the Serial Port Buffer
-     */
-    virtual int putc(int c);
-    
-    /** Write a string to the BufferSerial Port. Must be NULL terminated
-     *  @param s The string to write to the Serial Port
-     *  @return The number of bytes written to the Serial Port Buffer
-     */
-    virtual int puts(const char *s);
-    
-    /** Write a formatted string to the BufferSerial Port.
-     *  @param format The string + format specifiers to write to the Serial Port
-     *  @return The number of bytes written to the Serial Port Buffer
-     */
-    virtual int printf(const char* format, ...);
-    
-    /** Write data to the Buffer Serial Port
-     *  @param s A pointer to data to send
-     *  @param length The amount of data being pointed to
-     *  @return The number of bytes written to the Serial Port Buffer
-     */
-    virtual ssize_t write(const void *s, std::size_t length);
-};
-
-#endif

--- a/BufferSerial/MyBuffer.cpp	Mon Mar 06 05:36:05 2023 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,76 +0,0 @@
-
-/**
- * @file    Buffer.cpp
- * @brief   Software Buffer - Templated Ring Buffer for most data types
- * @author  sam grove
- * @version 1.0
- * @see     
- *
- * Copyright (c) 2013
- *
- * 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.
- */
- 
-#include "MyBuffer.h"
-
-template <class T>
-MyBuffer<T>::MyBuffer(uint32_t size)
-{
-    _buf = new T [size];
-    _size = size;
-    clear();
-    
-    return;
-}
-
-template <class T>
-MyBuffer<T>::~MyBuffer()
-{
-    delete [] _buf;
-    
-    return;
-}
-
-template <class T>
-uint32_t MyBuffer<T>::getSize() 
-{ 
-    return this->_size; 
-}
-
-template <class T>
-void MyBuffer<T>::clear(void)
-{
-    _wloc = 0;
-    _rloc = 0;
-    memset(_buf, 0, _size);
-    
-    return;
-}
-
-template <class T>
-uint32_t MyBuffer<T>::peek(char c)
-{
-    return 1;
-}
-
-// make the linker aware of some possible types
-template class MyBuffer<uint8_t>;
-template class MyBuffer<int8_t>;
-template class MyBuffer<uint16_t>;
-template class MyBuffer<int16_t>;
-template class MyBuffer<uint32_t>;
-template class MyBuffer<int32_t>;
-template class MyBuffer<uint64_t>;
-template class MyBuffer<int64_t>;
-template class MyBuffer<char>;
-template class MyBuffer<wchar_t>;

--- a/BufferSerial/MyBuffer.h	Mon Mar 06 05:36:05 2023 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,163 +0,0 @@
-
-/**
- * @file    Buffer.h
- * @brief   Software Buffer - Templated Ring Buffer for most data types
- * @author  sam grove
- * @version 1.0
- * @see     
- *
- * Copyright (c) 2013
- *
- * 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 MYBUFFER_H
-#define MYBUFFER_H
-
-#include <stdint.h>
-#include <string.h>
-
-/** A templated software ring buffer
- *
- * Example:
- * @code
- *  #include "mbed.h"
- *  #include "MyBuffer.h"
- *
- *  MyBuffer <char> buf;
- *
- *  int main()
- *  {
- *      buf = 'a';
- *      buf.put('b');
- *      char *head = buf.head();
- *      puts(head);
- *
- *      char whats_in_there[2] = {0};
- *      int pos = 0;
- *
- *      while(buf.available())
- *      {   
- *          whats_in_there[pos++] = buf;
- *      }
- *      printf("%c %c\n", whats_in_there[0], whats_in_there[1]);
- *      buf.clear();
- *      error("done\n\n\n");
- *  }
- * @endcode
- */
-
-template <typename T>
-class MyBuffer
-{
-private:
-    T   *_buf;
-    volatile uint32_t   _wloc;
-    volatile uint32_t   _rloc;
-    uint32_t            _size;
-
-public:
-    /** Create a Buffer and allocate memory for it
-     *  @param size The size of the buffer
-     */
-    MyBuffer(uint32_t size = 0x100);
-    
-    /** Get the size of the ring buffer
-     * @return the size of the ring buffer
-     */
-     uint32_t getSize();
-    
-    /** Destry a Buffer and release it's allocated memory
-     */
-    ~MyBuffer();
-    
-    /** Add a data element into the buffer
-     *  @param data Something to add to the buffer
-     */
-    void put(T data);
-    
-    /** Remove a data element from the buffer
-     *  @return Pull the oldest element from the buffer
-     */
-    T get(void);
-    
-    /** Get the address to the head of the buffer
-     *  @return The address of element 0 in the buffer
-     */
-    T *head(void);
-    
-    /** Reset the buffer to 0. Useful if using head() to parse packeted data
-     */
-    void clear(void);
-    
-    /** Determine if anything is readable in the buffer
-     *  @return 1 if something can be read, 0 otherwise
-     */
-    uint32_t available(void);
-    
-    /** Overloaded operator for writing to the buffer
-     *  @param data Something to put in the buffer
-     *  @return
-     */
-    MyBuffer &operator= (T data)
-    {
-        put(data);
-        return *this;
-    }
-    
-    /** Overloaded operator for reading from the buffer
-     *  @return Pull the oldest element from the buffer 
-     */  
-    operator int(void)
-    {
-        return get();
-    }
-    
-     uint32_t peek(char c);
-    
-};
-
-template <class T>
-inline void MyBuffer<T>::put(T data)
-{
-    _buf[_wloc++] = data;
-    _wloc %= (_size-1);
-    
-    return;
-}
-
-template <class T>
-inline T MyBuffer<T>::get(void)
-{
-    T data_pos = _buf[_rloc++];
-    _rloc %= (_size-1);
-    
-    return data_pos;
-}
-
-template <class T>
-inline T *MyBuffer<T>::head(void)
-{
-    T *data_pos = &_buf[0];
-    
-    return data_pos;
-}
-
-template <class T>
-inline uint32_t MyBuffer<T>::available(void)
-{
-    return (_wloc == _rloc) ? 0 : 1;
-}
-
-#endif
-

--- a/BufferSerial/MyUnbufferedSerial.cpp	Mon Mar 06 05:36:05 2023 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,128 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- *
- * 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.
- */
-
-#include "MyUnbufferedSerial.h"
-#if (MBED_MAJOR_VERSION >= 6)
-#if DEVICE_SERIAL
-
-#include "platform/mbed_critical.h"
-
-namespace mbed {
-
-MyUnbufferedSerial::MyUnbufferedSerial(
-    PinName tx,
-    PinName rx,
-    int baud
-) : SerialBase(tx, rx, baud)
-{
-    // No lock needed in the constructor
-}
-
-MyUnbufferedSerial::MyUnbufferedSerial(
-    const serial_pinmap_t &static_pinmap, int baud
-) : SerialBase(static_pinmap, baud)
-{
-    // No lock needed in the constructor
-}
-
-ssize_t MyUnbufferedSerial::write(const void *buffer, size_t size)
-{
-    const unsigned char *buf = static_cast<const unsigned char *>(buffer);
-
-    if (size == 0) {
-        return 0;
-    }
-
-    bool lock_api = !core_util_in_critical_section();
-
-    if (lock_api) {
-        lock();
-    }
-
-    for (size_t i = 0; i < size; i++) {
-        _base_putc(buf[i]);
-    }
-
-    if (lock_api) {
-        unlock();
-    }
-
-    return size;
-}
-
-ssize_t MyUnbufferedSerial::read(void *buffer, size_t size)
-{
-    unsigned char *buf = static_cast<unsigned char *>(buffer);
-
-    if (size == 0) {
-        return 0;
-    }
-
-    lock();
-
-    buf[0] = _base_getc();
-
-    unlock();
-
-    return 1;
-}
-
-short MyUnbufferedSerial::poll(short events) const
-{
-    short revents = 0;
-    if (
-        (events & POLLIN)
-        && (const_cast <MyUnbufferedSerial *>(this))->SerialBase::readable()
-    ) {
-        revents |= POLLIN;
-    }
-    if (
-        (events & POLLOUT)
-        && (const_cast <MyUnbufferedSerial *>(this))->SerialBase::writeable()
-    ) {
-        revents |= POLLOUT;
-    }
-    return revents;
-}
-
-int MyUnbufferedSerial::enable_input(bool enabled)
-{
-    SerialBase::enable_input(enabled);
-
-    return 0;
-}
-
-int MyUnbufferedSerial::enable_output(bool enabled)
-{
-    SerialBase::enable_output(enabled);
-
-    return 0;
-}
-
-#if DEVICE_SERIAL_FC
-void MyUnbufferedSerial::set_flow_control(Flow type, PinName flow1, PinName flow2)
-{
-    lock();
-    SerialBase::set_flow_control(type, flow1, flow2);
-    unlock();
-}
-#endif // DEVICE_SERIAL_FC
-
-} // namespace mbed
-
-#endif // #if DEVICE_SERIAL
-#endif // (MBED_MAJOR_VERSION >= 6 )
\ No newline at end of file

--- a/BufferSerial/MyUnbufferedSerial.h	Mon Mar 06 05:36:05 2023 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,223 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- *
- * 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_MYUNBUFFERED_SERIAL_H
-#define MBED_MYUNBUFFERED_SERIAL_H
-#include "mbed.h"
-#if (MBED_MAJOR_VERSION >= 6)
-
-#include "platform/platform.h"
-
-#if DEVICE_SERIAL || defined(DOXYGEN_ONLY)
-
-#include <cstdarg>
-
-#include "drivers/SerialBase.h"
-#include "platform/FileHandle.h"
-#include "platform/mbed_toolchain.h"
-#include "platform/NonCopyable.h"
-
-
-namespace mbed {
-/** \defgroup drivers-public-api-uart UART
- * \ingroup drivers-public-api
- */
-
-/**
- * \defgroup drivers_MyUnbufferedSerial MyUnbufferedSerial class
- * \ingroup drivers-public-api-uart
- * @{
- */
-
-/**
- * Class implementation for unbuffered I/O for an interrupt driven application
- * or one that needs to have more control.
- */
-class MyUnbufferedSerial:
-    public SerialBase,
-    public FileHandle,
-    private NonCopyable<MyUnbufferedSerial> {
-public:
-    /**
-     * Create a serial port instance connected to the specified transmit and
-     * receive pins, with the specified baud rate.
-     *
-     *  @param tx Transmit pin
-     *  @param rx Receive pin
-     *  @param baud The baud rate of the serial port (optional, defaults to MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE)
-     *
-     *  @note
-     *    Either tx or rx may be specified as NC if unused
-     */
-    MyUnbufferedSerial(
-        PinName tx,
-        PinName rx,
-        int baud = MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE
-    );
-
-    /** Create a MyUnbufferedSerial port, connected to the specified transmit and
-     *  receive pins, with a particular baud rate.
-     *  @param static_pinmap reference to structure which holds static pinmap
-     *  @param baud The baud rate of the serial port (optional, defaults to
-     *              MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE)
-     */
-    MyUnbufferedSerial(
-        const serial_pinmap_t &static_pinmap,
-        int baud = MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE
-    );
-
-    /** Write the contents of a buffer to a file
-     *
-     * Blocks until all data is written
-     *
-     *  @param buffer   The buffer to write from
-     *  @param size     The number of bytes to write
-     *  @return         The number of bytes written
-     */
-    ssize_t write(const void *buffer, size_t size) override;
-
-    /** Read the contents of a file into a buffer
-     *
-     *  Blocks and reads exactly one character
-     *
-     *  @param buffer   The buffer to read in to
-     *  @param size     The number of bytes to read
-     *  @return         The number of bytes read
-     */
-    ssize_t read(void *buffer, size_t size) override;
-
-    /** Move the file position to a given offset from from a given location
-     *
-     * Not valid for a device type FileHandle like MyUnbufferedSerial.
-     * In case of MyUnbufferedSerial, returns ESPIPE
-     *
-     *  @param offset   The offset from whence to move to
-     *  @param whence   The start of where to seek
-     *      SEEK_SET to start from beginning of file,
-     *      SEEK_CUR to start from current position in file,
-     *      SEEK_END to start from end of file
-     *  @return         The new offset of the file, negative error code on failure
-     */
-    off_t seek(off_t offset, int whence = SEEK_SET) override
-    {
-        return -ESPIPE;
-    }
-
-    /** Get the size of the file
-     *
-     *  @return         Size of the file in bytes
-     */
-    off_t size() override
-    {
-        return -EINVAL;
-    }
-
-    /** Check if the file in an interactive terminal device
-     *
-     *  @return         True if the file is a terminal
-     *  @return         False if the file is not a terminal
-     *  @return         Negative error code on failure
-     */
-    int isatty() override
-    {
-        return true;
-    }
-
-    /** Close a file
-     *
-     *  @return         0 on success, negative error code on failure
-     */
-    int close() override
-    {
-        return 0;
-    }
-
-    /** Enable or disable input
-     *
-     * Control enabling of device for input. This is primarily intended
-     * for temporary power-saving; the overall ability of the device to operate
-     * for input and/or output may be fixed at creation time, but this call can
-     * allow input to be temporarily disabled to permit power saving without
-     * losing device state.
-     *
-     *  @param enabled      true to enable input, false to disable.
-     *
-     *  @return             0 on success
-     *  @return             Negative error code on failure
-     */
-    int enable_input(bool enabled) override;
-
-    /** Enable or disable output
-     *
-     * Control enabling of device for output. This is primarily intended
-     * for temporary power-saving; the overall ability of the device to operate
-     * for input and/or output may be fixed at creation time, but this call can
-     * allow output to be temporarily disabled to permit power saving without
-     * losing device state.
-     *
-     *  @param enabled      true to enable output, false to disable.
-     *
-     *  @return             0 on success
-     *  @return             Negative error code on failure
-     */
-    int enable_output(bool enabled) override;
-
-    /** Check for poll event flags
-     * Check the events listed in events to see if data can be read or written
-     * without blocking.
-     * Call is nonblocking - returns state of events.
-     *
-     * @param events        bitmask of poll events we're interested in - POLLIN/POLLOUT etc.
-     *
-     * @returns             bitmask of poll events that have occurred.
-     */
-    short poll(short events) const override;
-
-    using SerialBase::attach;
-    using SerialBase::baud;
-    using SerialBase::format;
-    using SerialBase::readable;
-    using SerialBase::writeable;
-    using SerialBase::IrqCnt;
-    using SerialBase::RxIrq;
-    using SerialBase::TxIrq;
-
-#if DEVICE_SERIAL_FC
-    // For now use the base enum - but in future we may have extra options
-    // such as XON/XOFF or manual GPIO RTSCTS.
-    using SerialBase::Flow;
-    // In C++11, we wouldn't need to also have using directives for each value
-    using SerialBase::Disabled;
-    using SerialBase::RTS;
-    using SerialBase::CTS;
-    using SerialBase::RTSCTS;
-
-    /** Set the flow control type on the serial port
-     *
-     *  @param type the flow control type (Disabled, RTS, CTS, RTSCTS)
-     *  @param flow1 the first flow control pin (RTS for RTS or RTSCTS, CTS for CTS)
-     *  @param flow2 the second flow control pin (CTS for RTSCTS)
-     */
-    void set_flow_control(Flow type, PinName flow1 = NC, PinName flow2 = NC);
-#endif // DEVICE_SERIAL_FC
-};
-
-} // namespace mbed
-
-#endif // DEVICE_SERIAL || defined(DOXYGEN_ONLY)
-
-#endif  // (MBED_MAJOR_VERSION >= 6 )
-#endif // MBED_MYUNBUFFERED_SERIAL_H