Quanmax KEEX-7100 Series, Руководство пользователя

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Appendix A
58
KEEX-7100 Series User’s Manual
//DO_2 is bit 5
//DO_3 is bit 6
outp(0x539,RetVal);
RetVal=inp(0x53B);//IO Port: 0x53B
RetVal=(RetVal|0x01);//DO_4 is bit 0
outp(0x53B,RetVal);
system("pause");
//Reading DI_1~4
RetVal=inp(0x50C);//IO Port: 0x50C
RetVal=(RetVal&0x3C);//DI_1 is bit 2
//DI_2 is bit 3
//DI_3 is bit 4
//DI_4 is bit 5
printf("DI_= %d\n",RetVal);
system("pause");
return 0;
}