BENECOM BEM-100Q, User Manual

Page: 48 / 49

Appendix A
RetVal=inp(0x48d,RetVal);
RetVal=RetVal&0x0F;
outp(0x48d,RetVal);
//Output RetVal to Digital Output
//Set all output to 1
outp(0x48d, 0xF0);//DO0 is bit 4
//DO1 is bit 5
//DO2 is bit 6
//DO3 is bit 7
//Set all output to 0
outp(0x48d, 0x00);
//Reading Digital input
RetVal=inp(0x48c);//DI0 is bit 6
//DI1 is bit 7
RetVal=inp(0x4B8);//DI2 is bit 6
RetVal=inp(0x48d);//DI3 is bit 1