Mbed OS Reference | H4TransportDriver.h Source File

 /* mbed Microcontroller Library
  * Copyright (c) 2017-2017 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 IMPL_H4_TRANSPORT_DRIVER_H_
 #define IMPL_H4_TRANSPORT_DRIVER_H_
 
 #if (DEVICE_SERIAL && DEVICE_SERIAL_FC) || defined(DOXYGEN_ONLY)
 
 #include <cstdint>
 #include "drivers/UnbufferedSerial.h"
 #include "ble/driver/CordioHCITransportDriver.h"
 
 namespace ble {
 
 /**
  * Implementation of the H4 driver.
  *
  * @note This HCI transport implementation is not accessible to devices that do
  * not expose serial flow control.
  */
 class H4TransportDriver : public CordioHCITransportDriver {
 public:
     /**
      * Initialize the transport driver.
      *
      * @param tx tx pin name.
      * @param rx rx pin name
      * @param cts cts pin name
      * @param rts rts pin name.
      * @param baud baud use to communicate with the ble module
      */
     H4TransportDriver(PinName tx, PinName rx, PinName cts, PinName rts, int baud);
 
     /**
      * Destructor
      */
     ~H4TransportDriver() override = default;
 
     /**
      * @see CordioHCITransportDriver::initialize
      */
     void initialize() override;
 
     /**
      * @see CordioHCITransportDriver::terminate
      */
     void terminate() override;
 
     /**
      * @see CordioHCITransportDriver::write
      */
     uint16_t write(uint8_t type, uint16_t len, uint8_t *pData) override;
 
 private:
     void on_controller_irq();
 
     // Use UnbufferedSerial as we don't require locking primitives.
     // We access the peripheral in interrupt context.
     mbed::UnbufferedSerial uart;
     PinName cts;
     PinName rts;
 };
 
 } // namespace ble
 
 #endif
 
 #endif /* IMPL_H4_TRANSPORT_DRIVER_H_ */
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