82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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* PackagerMCP23S17.hpp
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*
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* Created on: 17 èþë. 2019 ã.
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* Author: titov
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*/
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#ifndef SOURCE_DRIVER_CHIPSET_PACKAGERMCP23S17_HPP_
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#define SOURCE_DRIVER_CHIPSET_PACKAGERMCP23S17_HPP_
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#include <cstddef>
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#include <stdint.h>
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namespace driver { namespace chipset {
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struct PackagerMCP23S17 {
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typedef uint16_t HardwareAddress; //!<Òèï àäðåñà ìèêðîñõåìû.
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typedef uint16_t Data; //!<Òèï äàííûõ èñïîëüçóåìûõ ïîëüçîâàòåëåì äëÿ õðàíåíèÿ ïîëåçíîé èíôîðìàöèè.
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typedef uint32_t Frame; //!<Òèï äàííûõ îòïðàâëÿåìûé è ïîëó÷àåìûé ïî ëèíèè ñâÿçè.
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static const std::size_t FrameSize; //!<Ôèêñèðîâàííàÿ äëèíà êàäðà äàííûõ ïåðåäàâàåìàÿ ïî ëèíèè ñâÿçè äëÿ ðàñøèðèòåëÿ ïîðòîâ.
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typedef uint16_t RegAddress; //!<Òèï àäðåñà ðåãèñòðà â óñòðîéñòâå.
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/*! \brief Óïàêîâàòü ïîëüçîâàòåëüñêèå äàííûå äëÿ ïåðåäà÷å ïî ëèíèè ñâÿçè.
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* \param [in] Àäðåñ ðåãèñòðà
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* \param [in] Äàííûå ðåãèñòðà
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* \param [in] Ïðèçíàê ÷òåíèÿ(true) èëè çàïèñè(false)
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* \return Ïîäãîòîâëåííûé êàäð äëÿ ïåðåäà÷è ïî ëèíèè ñâÿçè.
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*/
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static Frame encode( RegAddress rg_address, Data data, bool write_nread, HardwareAddress hw_address );
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static Data decode( Frame frame );
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struct Packager {
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typedef PackagerMCP23S17::Frame Frame;
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typedef PackagerMCP23S17::Data Data;
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HardwareAddress hw_address;
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RegAddress rg_address;
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bool write_nread;
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Frame pack( Data ) const;
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Data unpack( Frame ) const;
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};
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private:
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//!Ñòðóêòóðà àäðåñíîãî çàãîëîâêà ôðåéìà.
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struct AddressingRegisterForm {
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uint16_t REGISTER_ADDRESS : 8;
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uint16_t RW_FLAG : 1;
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uint16_t ADDRESS_CODE : 3;
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uint16_t FIXED_CODE : 4;
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};
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//!Ñòðóêòóðà êîìïàíîâêè àäðåñíîãî çàãîëîâêà è ÑËÎÂÀ äàííûõ.
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struct RegisterAddressAndData {
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AddressingRegisterForm address;
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Data data;
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};
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};
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}
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}
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inline driver::chipset::PackagerMCP23S17::Packager::Frame driver::chipset::PackagerMCP23S17::Packager::pack(
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Data data ) const {
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return encode( rg_address, data, write_nread, hw_address );
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}
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inline driver::chipset::PackagerMCP23S17::Packager::Data driver::chipset::PackagerMCP23S17::Packager::unpack(
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Frame frame ) const {
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return decode( frame );
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}
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#endif /* SOURCE_DRIVER_CHIPSET_PACKAGERMCP23S17_HPP_ */
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