FabiaTech FR9100, User Manual

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FabIATech Corporation
60
Status LED Programming
The FR9100 can define the Status LED to Light/Blinking. When I/O Port 2Eh/2Fh, device
9, index F3 Bit 6 & bit7 is set to 0 the Status LED is active, if bit 6 set to 1 the status LED is
not active. The following describes the programming procedure:
To disable status LED, simply write a 40H to the Status LED register.
;------------------------------------------------------------------------------------------
; Enter the extended function mode, interruptible double-write
;------------------------------------------------------------------------------------------
Mov dx,2eh ; Enter to extended function mode
Mov al,87h
Out dx,al
Out dx,al
;------------------------------------------------------------------------------------------------------------------------
; Logical device 9, configuration registers CRF3 Bit6 & Bit7 (Not active/Active)
;-------------------------------------------------------------------------------------------------------------------------
Mov
al,07h
Out dx,al
Mov dx,2fh
Mov al,09h ; Select Logical Device 9 of State LED
Out dx,al
Mov dX,2eh
Mov al,0f3h ;Set CRF3 unit
Out dx,al
Mov dx,2fh
Mov al,40h ;Set bit 6 &bit to 1 the State LED is not active .
; Mov al,80h ;LED is a 1 second blinking
; Mov al,c0h ;LED is a 4 second blinking
Out dx,al
;------------------------------------------
; Exit extended function mode
;------------------------------------------
Mov dx,2eh ;Exit the extended function mode
Mov al,0aah
Out dx,al