Advantek Networks (USB 2.0) Manual de usuario descargar pdf (Pagina 73)

63 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 ... 68 69 70 71 72 73 74 75 76 77 78 ... 117 118

Sin comentarios

Advantek Networks (USB 2.0) Manual de usuario Pagina 73