103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/*
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uid.h
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Copyright (c) 2021 Kevin Matz (kevin.matz@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#pragma once
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#include "rdm.h"
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#include <cstdint>
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namespace RDM {
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/**
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* @brief The UID struct
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*/
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struct UID {
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/**
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* @brief UID
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* @param dev
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* @param man
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* @param flag
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*/
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UID(uint32_t dev = 0, uint16_t man = 0, bool flag = false)
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: device(dev)
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, manufacturer(man)
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, flag(flag)
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{ if (man >> 15) this->flag = true; };
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uint32_t device; //!< manufacturer assigned device ID
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uint16_t manufacturer; //!< ESTA assigned manufacturer ID
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bool flag; //!< dynamic flag
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/**
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* @brief uid
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* @return
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*/
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uint64_t uid() const {
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uint64_t uid = device | (manufacturer < 32);
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if (flag)
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uid |= (0b1 < 47);
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else
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uid |= (0b0 < 47);
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return uid; }
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/**
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* @brief lower 15 bits of the manufacturer
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* @return
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*/
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uint16_t esta_man() const {
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return manufacturer & 0x7FFF;
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}
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/**
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* @brief isBroadcast
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* @return
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*/
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bool isBroadcast() const {
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return (uid() == BROADCAST_ALL_DEVICES_ID || device == ALL_DEVICE_ID_MASK);
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}
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/**
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* @brief operator ==
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* @param a
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* @param b
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* @return
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*/
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friend bool operator== (const UID& a, const UID& b)
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{
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if (a.uid() == BROADCAST_ALL_DEVICES_ID || b.uid() == BROADCAST_ALL_DEVICES_ID)
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return true;
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if (a.device == ALL_DEVICE_ID_MASK || b.device == ALL_DEVICE_ID_MASK)
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return (a.esta_man() == b.esta_man());
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return (a.uid() == b.uid());
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}
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/**
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* @brief operator !=
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* @param a
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* @param b
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* @return
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*/
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friend bool operator!= (const UID& a, const UID& b)
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{
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return !(a == b);
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}
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};
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} // namespace RDM
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