Appendix c p rogrammable g pio & watchdog timer – Advantech PCM-9588 User Manual

Page 95

Text mode
Original mode

PCM-9588 User Manual

Appendix C

rogrammable

PIO

Watchdog

Timer

push cx ;save NO. of GPIO chip
mov ax,5e87h
mov bx,0422h
int 15h
;5. Check GPI 0,2,4,6 value
pop cx ;restore NO. of GPIO chip
push cx ;save NO. of GPIO chip
mov ax,5e87h
mov bx,03FFh
int 15h

pop cx ;restore NO. of GPIO chip
push cx ;save NO. of GPIO chip
dec cx

mov al,Fail_lenght
mul cl
lea dx, Fail_Str
add dx,ax
cmp bl,33h
jne test_result

pop cx ;restore NO. of GPIO chip
push cx ;save NO. of GPIO chip
dec cx
mov al,Success_lenght
mul cl
lea dx, Success1_Str
add dx,ax

;Do Second PCA9554 test
;1.Set GPIO 0,2,4,6 as output, GPI 1,3,5,7 as input

test_result:
mov ah,09h
int 21h
pop cx
dec cx
jnz next_test
Finish_Test:
popa
.exit
;==============================================================
;Input

: CL - register index

;

CH - device ID