ENDAT-D2512 USERS MANUAL
UNICORN COMPUTER CORP.
20
Sample code for output (using Turbo C/C++ 3.0):
bit
No 7 6 5 4 3
2
1
0
Map
NA NA NA NA
DIO-O3
DIO-O2
DIO-O1
DIO-O0
Sample code for output (using Turbo C/C++ 3.0)
outportb(0x2e,0x87); //Unlock
register
outportb(0x2e,0x87); //Unlock
register
outportb(0x2e,0x07);
//set Logic Device number pointer
outportb(0x2f,0x08);
//set Logic Device number
outportb(0x2e,0x30);
//set Device Active
outportb(0x2f,0x03);
// set Bit 1 =GPIO5 ; 0=Inactive / 1= Active Default: 03h
outportb(0x2e,0xE0);
// set GPIO Output / Input Port
outportb(0x2f,0xF0);
// 0=Output/ 1=Input
// Bit 0~3 DIO-O0~ DIO3 / Bit4~7 DIO-I0~DIO-I3.
outportb(0x2e,0xE1);
//Read DIO-Input register.
outportb(0x2f,0xnm);
// n=DIO-I0~DIO-I3 / m=DIO-O0~DIO-O3.
Bit3~Bit4
=
DIO-I0~DIO-I3.(Read
Only)
