mbed-os/drivers/CpuUid.h

99 lines
2.2 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2017 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_CPUUID_H
#define MBED_CPUUID_H
#include <string>
#include <vector>
#include "platform/platform.h"
#if defined(DEVICE_CPUUID) || defined(DOXYGEN_ONLY)
namespace mbed {
/** \addtogroup drivers */
/** CPU UID reader class
*
* @note Synchronization level: Interrupt safe
* @ingroup drivers
*/
class CpuUid {
public:
/** CPU UID array typedef
*/
typedef std::vector<uint8_t> CpuUidArray;
/** CpuUid constructor
*/
CpuUid();
/** CpuUid destructor
*/
virtual ~CpuUid();
/** Get size of CPU UID in bytes
*
* @return Size of device's CPU UID in bytes
*/
int size() { return _size; }
/** Get CPU UID data pointer
*
* @return Pointer to uid data buffer
*/
const uint8_t* data() { return _data; }
/** Overload operator for std::string
*
* @return string object containing the CPU UID in uppercase hex letters in ascii format
*/
operator std::string();
/** Overload operator for CpuUidArray
*
* @return CpuUidArray object containing the CPU UID
*/
operator CpuUidArray();
/** Overload operator for byte pointer
*
* @return Pointer to uid data buffer
*/
operator const uint8_t*() { return _data; }
/** Overload operator for array subscript
*
* @param x CPU UID Byte index
*
* @return Byte located at index x
*/
uint8_t operator[](int x);
private:
uint8_t * _data;
int _size;
static const char _hexChars[16];
};
} // namespace mbed
#endif
#endif