mbed-os/connectivity/nfc/include/nfc/NFCRemoteEndpoint.h

137 lines
3.1 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2018 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_NFC_REMOTE_ENDPOINT_H
#define MBED_NFC_REMOTE_ENDPOINT_H
#include <stdint.h>
#include "NFCDefinitions.h"
namespace mbed {
namespace nfc {
/**
* @addtogroup nfc
* @{
*/
class NFCController;
/**
* This is the base class for all remote endpoints (initiators and targets)
* addressable over the air interface.
*/
class NFCRemoteEndpoint {
public:
/**
* Create a NFCRemoteEndpointinstance
* @param[in] controller the NFCController instance that detected this endpoint
*/
NFCRemoteEndpoint(NFCController *controller);
/**
* Destructor
*/
virtual ~NFCRemoteEndpoint();
/**
* The NFCRemoteEndpoint base delegate.
*/
struct Delegate {
/**
* This method is called when the endpoint is connected
*/
virtual void on_connected() {}
/**
* This method is called when the endpoint is lost (air interface link disconnnected)
*/
virtual void on_disconnected() {}
protected:
~Delegate() {}
};
/**
* Connect the remote endpoint
*
* @return NFC_OK or an error code
*/
virtual nfc_err_t connect() = 0;
/**
* Disconnect the remote endpoint
*
* @return NFC_OK or an error code
*/
virtual nfc_err_t disconnect() = 0;
/**
* Check if the endpoint is connected.
* @return whether the endpoint is connected
*/
virtual bool is_connected() const = 0;
/**
* Check if the endpoint is disconnected/lost.
* @return whether the endpoint has been disconnected
*/
virtual bool is_disconnected() const = 0;
/**
* Get the list of RF protocols supported and activated over the air interface.
* @return a bitmask of activated protocols
*/
virtual nfc_rf_protocols_bitmask_t rf_protocols() = 0;
protected:
/**
* Mark endpoint as connected
*/
virtual void connected() = 0;
/**
* Mark endpoint as disconnected
*/
virtual void disconnected() = 0;
/**
* Retrieve NFCController instance
* @return a pointer to the NFController instance that created this endpoint.
*/
NFCController *nfc_controller();
/**
* Retrieve NFCController instance
* @return a pointer to the NFController instance that created this endpoint.
*/
const NFCController *nfc_controller() const;
private:
NFCController *_controller;
};
/**
* @}
*/
} // namespace nfc
} // namespace mbed
#endif