mirror of https://github.com/ARMmbed/mbed-os.git
82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2017-2017 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef IMPL_H4_TRANSPORT_DRIVER_H_
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#define IMPL_H4_TRANSPORT_DRIVER_H_
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#if (DEVICE_SERIAL && DEVICE_SERIAL_FC) || defined(DOXYGEN_ONLY)
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#include <cstdint>
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#include "drivers/UnbufferedSerial.h"
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#include "ble/driver/CordioHCITransportDriver.h"
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namespace ble {
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/**
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* Implementation of the H4 driver.
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*
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* @note This HCI transport implementation is not accessible to devices that do
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* not expose serial flow control.
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*/
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class H4TransportDriver : public CordioHCITransportDriver {
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public:
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/**
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* Initialize the transport driver.
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*
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* @param tx tx pin name.
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* @param rx rx pin name
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* @param cts cts pin name
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* @param rts rts pin name.
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* @param baud baud use to communicate with the ble module
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*/
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H4TransportDriver(PinName tx, PinName rx, PinName cts, PinName rts, int baud);
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/**
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* Destructor
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*/
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~H4TransportDriver() override = default;
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/**
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* @see CordioHCITransportDriver::initialize
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*/
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void initialize() override;
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/**
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* @see CordioHCITransportDriver::terminate
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*/
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void terminate() override;
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/**
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* @see CordioHCITransportDriver::write
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*/
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uint16_t write(uint8_t type, uint16_t len, uint8_t *pData) override;
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private:
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void on_controller_irq();
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// Use UnbufferedSerial as we don't require locking primitives.
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// We access the peripheral in interrupt context.
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mbed::UnbufferedSerial uart;
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PinName cts;
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PinName rts;
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};
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} // namespace ble
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#endif
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#endif /* IMPL_H4_TRANSPORT_DRIVER_H_ */
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