42 lines
1004 B
C++
42 lines
1004 B
C++
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/*
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* Bitmap2Signal.hpp
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*
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* Created on: 13 авг. 2020 г.
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* Author: s.maksimenko
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*/
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#ifndef UMLIBRARY_SCHEMATIC_BITMAPU16TOSIGNAL_HPP_
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#define UMLIBRARY_SCHEMATIC_BITMAPU16TOSIGNAL_HPP_
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#include <cstddef>
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#include <stdint.h>
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#include "../systemic/ISignal.hh"
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namespace schematic {
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class BitmapU16ToSignal : public systemic::ISignal
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{
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public:
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struct Setting {
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uint16_t iFirstBit;// Индекс первого значащего бита
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uint16_t nBits;// Число значащих битов
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bool bInvCode;// Признак инверсного кода
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};
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private:
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Setting mSett;
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volatile uint16_t& mBitmap;
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public:
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BitmapU16ToSignal( volatile uint16_t& bitmapU16, const Setting& sett) :
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mBitmap(bitmapU16), mSett(sett){}
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operator float() const {
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return ((mBitmap ^ (mSett.bInvCode ? ~0: 0)) >> mSett.iFirstBit) & ((1u << mSett.nBits) - 1);
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}
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};// !BitmapU16ToSignal
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} // namespace schematic
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#endif /* UMLIBRARY_SCHEMATIC_BITMAPU16TOSIGNAL_HPP_ */
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