Advantech PCM-3353 Manual do Utilizador descarregar pdf (Página 67)

59 PCM-3353 User Manual

Appendix D GPIO Sample Code

and al, NOT 40H;mask INUSE bit

or al,al ;status OK ?

jz short Clear_final

test al,04h ;device error

jnz short SMBus_Err

loop short Chk_I2c_OK

;SMbus error due to timeout

SMBus_Err:

stc

ret

Clear_final:

clc

ret

CT_Chk_SMBus_ReadyEndp

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

===

Delay5msprocnear

push cx

mov cx, 1000

@@:

NEWIODELAY

loop short @B

pop cx

ret

Delay5ms ENDP

Phoenix_debuger proc near

pushf

push cx

push offset PhdebugRetAddr

push cs

push cs

db 0EAh

dw 0013h

dw 0DA00h

PhdebugRetAddr:

popf

Phoenix_debuger endp

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

====

; Program END

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