SENA HD1200 - Manual (Page 43)

Starter Kit and User Manual for the HelloDevice 1200
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mov DPROffsetLSB, #Intr_L&$00ff
mov w, #$AA
call @dpramwrite
Interrupt service routine of user device
If you receive interrupt from the HelloDevice, you should read data from the specified location. To read data at
the location, you should read address and length of data from OutBox register. And then, you will have to read
data from the address. After you finish reading the data, you will need to do something with this data.
; Read specified data address from OutAddr… registers
Mov DPROffsetMSB, #(OutAddrMSB & $ff00)>>8
Mov DPROffsetLSB, #(OutAddrMSB & $00ff)
call @dpramread
mov AddressMSB, w
Mov DPROffsetMSB, #(OutAddrLSB & $ff00)>>8
Mov DPROffsetLSB, #(OutAddrLSB & $00ff)
call @dpramread
mov AddressLSB, w
; Read specified data length from OutLen… registers
Mov DPROffsetMSB, #(OutLenMSB & $ff00)>>8
Mov DPROffsetLSB, #(OutLenMSB & $00ff)
call @dpramread
mov LengthMSB, w
Mov DPROffsetMSB, #(OutLenLSB & $ff00)>>8
Mov DPROffsetLSB, #(OutLenLSB & $00ff)
call @dpramread
mov LengthLSB, w
; Read data for the loop count of specified length
mov DPROffsetMSB, AddressMSB
mov DPROffsetLSB, AddressLSB
……………
call @dpramread
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