Advantech PPC-L156T User Manual download pdf (Page 43)

33 Appendix A

A.1.2 GPIO Example program-1

------------------------------------------------

Enter the extended function mode, interruptible double-write

------------------------------------------------

MOV DX,2EH

MOV AL,87H

OUT DX,AL

---------------------------------------------------------------

Configured logical device 7(GP10~GP17), configuration register CRF0,

CRF1, CRF2

---------------------------------------------------------------

MOV DX,2EH

MOV AL,07H; point to Logical Device Number Reg.

OUT DX,AL

MOV DX,2FH

MOV AL,07H; select logical device 7

OUT DX,AL;

MOV DX,2EH

MOV AL,F0

OUT DX,AL

MOV DX,2FH

MOV AL,00H; 01:Input 00:output for GP10~GP17

OUT DX,AL

MOV DX,2EH

MOV AL,F2H;

OUT DX,AL

MOV DX,2FH

MOV AL,00H;Set GPIO is normal not inverter

OUT DX,AL;

MOV DX,2EH

MOV AL,F1H

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 53 54

No comments

Advantech PPC-L156T User Manual Page 43