C.2 GPIO Sample Code

;=============================================================== NEWIODELAY Macro

out 0ebh,al

ENDM ;===============================================================

.model small

.486p

.stack 256

.data

;===============================================================

;Data Area ;===============================================================

SMBus_Port

EQU

500h

PCA9554_ID

EQU

40h

PCA9554_ID2

EQU

4Eh

Input_Reg

EQU

00h

Output_Reg

EQU

01h

Inversion_Reg

EQU

02h

Configure_Reg

EQU

03h

;RA02 Advantech_Str

db 'Advantech Company Copyright (C) 2005 Design by

Duncan',0AH,0Dh,'$'

 

Advantech_Str

db 'Advantech Company Copyright (C) 2005 Design by Duncan,

Modify by Steven',0AH,0Dh,'$' ;RA02

GX3_Fun_Str

db

'Check Philip GPIO function.',0Ah,0Dh,'$'

Note1_Str

db

'Test Method: GPIO 0 connect to GPIO 1.',0Ah,0Dh,'$'

Note2_Str

db

'GPIO 2 connect to GPIO 3.',0Ah,0Dh,'$'

Note3_Str

db

'GPIO 4 connect to GPIO 5.',0Ah,0Dh,'$'

Note4_Str

db

'GPIO 6 connect to GPIO 7.',0Ah,0Dh,'$'

Success1_Str

db

'First GPIO Chip Test success !! ',0Ah,0Dh,'$'

Success2_Str

db

'Second GPIO Chip Test success !! ',0Ah,0Dh,'$'

;RA02 - START

 

 

 

Success_lenght EQU

($ - offset Success1_Str) / 2

 

db

'Third GPIO Chip Test success !!

',0Ah,0Dh,'$'

db

'Fouth GPIO Chip Test success !!

',0Ah,0Dh,'$'

db

'Fifth GPIO Chip Test success !! ',0Ah,0Dh,'$'

db

'Sixth GPIO Chip Test success !!

',0Ah,0Dh,'$'

db

'Seventh GPIO Chip Test success !!',0Ah,0Dh,'$'

db

'Eighth GPIO Chip Test success !! ',0Ah,0Dh,'$'

;RA02 - END

 

 

 

Fail_Str

db

'First GPIO Chip Test Fail !! ',0Ah,0Dh,'$'

Fail2_Str

db

'Second GPIO Chip Test Fail !! ',0Ah,0Dh,'$'

;RA02 - START

 

 

 

Fail_lenght EQU

($ - offset Fail_Str) / 2

 

db

'Third GPIO Chip Test Fail !! ',0Ah,0Dh,'$'

Appendix C Programmable GPIO & Watchdog Timer

79

PCM-9588 User Manual

Page 89
Image 89
Advantech PCM-9588 user manual Gpio Sample Code, RA02 Start