mirror of https://github.com/ARMmbed/mbed-os.git
81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 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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#include "hal/cpu_uid_api.h"
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#include "platform/mbed_assert.h"
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#include "drivers/CpuUid.h"
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#if DEVICE_CPUUID
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namespace mbed {
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const char CpuUid::_hexChars[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
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CpuUid::CpuUid() : _data(NULL)
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{
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_size = cpu_uid_get_length();
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#ifdef MBED_ASSERT
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MBED_ASSERT(_size > 0);
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#endif
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if (0 < _size) {
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_data = new uint8_t[_size];
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cpu_uid_get_uid(_data);
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}
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}
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CpuUid::~CpuUid()
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{
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if (_data) {
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delete _data;
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}
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}
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CpuUid::operator std::string()
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{
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std::string str;
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for (int i = 0; i < _size; ++i) {
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str += _hexChars[_data[i] >> 4];
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str += _hexChars[_data[i] & 0x0F];
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}
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return str;
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}
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CpuUid::operator cpu_uid_array_t()
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{
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cpu_uid_array_t array;
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for (int i = 0; i < _size; ++i) {
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array.push_back(_data[i]);
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}
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return array;
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}
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uint8_t CpuUid::operator[](int x)
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{
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if (x >= 0 && x < _size) {
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return _data[x];
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}
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return 0x00;
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}
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} // namespace mbed
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#endif
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