Advantech PCM-3362 user manual

;cl= n ; n means which group of GPIO you want to set

;bl= the n group of gpio config

;bit 0 = gpio 0 , 0 => output pin; 1 => input pin

;bit 1 = gpio 1 , 0 => output pin; 1 => input pin

;.....

;bit 7 = gpio 7 , 0 => output pin; 1 => input pin

;output:

; ax=5E78 ;function success, other value means function fail

mov ax,5E87h mov bx,02AAh mov cl,01 INT15

;Set GPIO 0,2,4,6 as output, GPI 1,3,5,7 as input ;=============================================================== ;===============================================================

;Get GPIO status

;Input:

;ax=5E87h

;bh=03h

;cl= n ; n means which group of GPIO you want to get

;output:

; ax=5E78 ;function success, other value means function fail

;bl= the n group of gpio status

;bit 0 = gpio 0 , 0 => Low; 1 => High

;bit 1 = gpio 1 , 0 => Low; 1 => High

;.....

;bit 7 = gpio 7 , 0 => Low; 1 => High

mov ax,5E87h mov bh,03h mov cl,01h INT15

;You will get GPIO value from bl ;=============================================================== ;===============================================================

;Set GPIO status

;Input:

;ax=5E87h

;bh=04h

;cl= n ; n means which group of GPIO you want to set

;bl= the n group of gpio status

;bit 0 = gpio 0 , 0 => Low; 1 => High

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