lptdefregistar.h

来自「pc paralel port programming」· C头文件 代码 · 共 47 行

#ifndef LPTDEFREGISTAR_H
#define LPTDEFREGISTAR_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#pragma warning( disable : 4786 )
#include <string>

namespace LPT {
    // maske za bitove DATA registra
    const int D0 = 0x00000001;
    const int D1 = 0x00000002;
    const int D2 = 0x00000004;
    const int D3 = 0x00000008;
    const int D4 = 0x00000010;
    const int D5 = 0x00000020;
    const int D6 = 0x00000040;
    const int D7 = 0x00000080;
    const int D_POMERAJ = 0; // pomeraj flegova u odnosu na bit 0
    // maske za bitove STATUS registra
    const int S3 = 0x00000800;
    const int S4 = 0x00001000;
    const int S5 = 0x00002000;
    const int S6 = 0x00004000;
    const int S7 = 0x00008000;
    const int S_POMERAJ = 8;
    // maske za bitove CONTROL registra
    const int C0 = 0x00010000;
    const int C1 = 0x00020000;
    const int C2 = 0x00040000;
    const int C3 = 0x00080000;
    const int C4 = 0x00100000;
    const int C5 = 0x00200000;
    const int C6 = 0x00400000;
    const int C_POMERAJ = 16;
    // maska koja obuhvata sve bitove svih registara
    const int SVI_BITOVI = 0xFFFFFFFF;
    // nazivi registara
    const std::string DATA = "DATA";
    const std::string STATUS = "STATUS";
    const std::string CONTROL = "CONTROL";
}

#endif // #ifndef LPTDEFREGISTAR_H