Advantech PCM-3353 Uživatelský manuál stáhnout pdf (Strana 66)

PCM-3353 User Manual 58

call Delay5ms

call Delay5ms

call CT_Chk_SMBus_Ready

pop ax

mov dl,03h

out dx,al ;Index

call Delay5ms

call Delay5ms

pop ax

mov dl,05

out dx,al ;Data0

call Delay5ms

call Delay5ms

mov dl,02h

mov al,48h

out dx,al ;write data

call Delay5ms

call Delay5ms

mov cx, 100h

@@:

newiodelay

loop short @B

call CT_Chk_SMBus_Ready

ret

Ct_I2CWriteByteEndp

CT_Chk_SMBus_ReadyProcNear

mov dx,SMBus_Port + 0;status port

clc

mov cx,0800h

Chk_I2c_OK:

in al,dx ;get status

NEWIODELAY

out dx,al ;clear status

NEWIODELAY

test al, 02H ;termination of command ?

jnz short Clear_final

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