Advantech PCM-9588 User Manual page 98

Chk_I2c_OK:
;SMbus error due to timeout
SMBus_Err:
Clear_final:
CT_Chk_SMBus_ReadyEndp
;;===============================================================
Delay5msprocnear
@@:
Delay5ms
Phoenix_debuger proc near
pushf
push cx
push offset PhdebugRetAddr
push cs
PCM-9588 User Manual
clc
mov cx,0800h
in al,dx ;get status
NEWIODELAY
out dx,al ;clear status
NEWIODELAY
test al, 02H ;termination of command ?
jnz short Clear_final
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
stc
ret
clc
ret
push cx
mov cx, 1000
NEWIODELAY
loop short @B
pop cx
ret
ENDP
88