AppInfoSeg MACRO
;********************************************************************************
; APP LAYER
;********************************************************************************
; Updated 6 Decembet 1999 - Nick Kelsey
; * TransApp: Increased UART buffer size from 7 to 16 bytes.
; * TransApp: Added flow control for UART receive.
;********************************************************************************
;
; lmp2appRxCommData(w = Data) ;Incomming data bytes
; lmp2appRxCommValid() ;Data bytes passed since last Valid/Error message are valid
; lmp2appRxCommError() ;Data bytes passed since last Valid/Error message are invalid and should be discarded
;
; lmp2appTxCommStart(ret z=None) ;Data bytes can now be sent, Return Z=false if data to be sent
; lmp2appTxCommData(ret w=TxData, z=Last) ;Data bytes can now be sent. Set Z if this is the last byte to be sent
; lmp2appTxCommValid() ;All data passed since last Valid/Error message were acknowledged as received by the remote station
; lmp2appTxCommError() ;All data passed since last Valid/Error message were discarded and will need to be sent again
;
; lap2appRxUIData(w = Data) ;Incomming UI data bytes (outside of a connection only)
; lap2appRxUIValid() ;Data bytes passed since last Valid/Error message are valid
; lap2appRxUIError() ;Data bytes passed since last Valid/Error message are invalid and should be discarded
;
; app2lapTxUIFrame(ret z=Busy)
; lap2appTxUIData(ret w=TxData, z=Last)
; lap2appTxUIComplete()
;
; app2lapDiscoveryRequest(ret z=Busy)
;
;********************************************************************************
ENDM
AppCommSX2PCCodeSeg MACRO
;********************************************************************************
; APP LAYER - CommSX2PC
;********************************************************************************
appBank = $F0
appTxState = appBank + 0 ;Current transmission type
appTxPosition = appBank + 1 ;Current transmission position
appTxBank = appBank + 2 ;Current transmission position
appRxData = appBank + 3 ;Current received byte
appTxStrState = 1
appTxRegState = 2
appTxPortState = 3
;********** Return **********
appReturn retp
;********** a2appReset **********
a2appReset
bank appBank
clr appTxState
retp
;********** lmp2appRxCommData **********
lmp2appRxCommData ;Incomming data bytes
bank appBank
mov appRxData, w ;Store data (if more bytes are received in frame then only last byte is reconised)
retp
;********** lmp2appRxCommValid **********
lmp2appRxCommValid ;Data bytes passed since last Valid/Error message are valid
bank appBank
test appTxState ;Currently not sending anything ?
sz
retp ;Already sending a frame => ignore command
debugf 1, appRxData ;Show command out debug port
csne appRxData, #'?' ;Is the command '?' ?
jmp :Str ;Yes => prepare to transmit a string
csne appRxData, #'r' ;Is the command 'r' ?
jmp :Reg ;Yes => prepare to transmit registers
csne appRxData, #'c' ;Is the command 'c' ?
jmp :Port ;Yes => prepare to transmit port c contents
retp
:Str mov appTxState, #appTxStrState ;Will send string
retp
:Reg mov appTxState, #appTxRegState ;Will send registers
clr appTxBank ;Clear TxBank ready for transmission
retp
:Port mov appTxState, #appTxPortState ;Will send port c
retp
;********** lmp2appRxCommError **********
lmp2appRxCommError ;Data bytes passed since last Valid/Error message are invalid and should be discarded
retp
;********** lmp2appTxCommStart **********
lmp2appTxCommStart ;Data bytes can now be sent. Return Z = flase if data to be sent
bank appBank
clr appTxPosition ;Clear TxPosition ready for transmission
test appTxState ;Return z=false if TxState not 0 to indicate data to be sent
retp
;********** lmp2appTxCommData **********
lmp2appTxCommData ;Data bytes can now be sent. If there is data available then return data byte and set Last (z) to false
bank appBank
mov w, appTxState ;Jump based on state
jmp PC+w
retp ;0 = Invalid
jmp appTxStrData ;1 = appTxStrState
jmp appTxRegData ;2 = appTxRegState
jmp appTxPortData ;3 = appTxPortState
appTxStrData
mov m, #_lmpIASDeviceNameText / 256 ;Pointer to string (high)
mov w, #_lmpIASDeviceNameText ;Pointer to string (low)
add w, appTxPosition ;index into string
inc appTxPosition ;Increment offset for next byte
iread ;Read data from ROM
mov Temp, w ;Store data
mov w, m ;Move high part of data to w
test w ;Is this the last byte ?
jnz :Last ;Yes => indicate last
:More mov w, Temp ;No => indicate more. Recover data to pass
clz ;Indicate more data to follow Data
retp ;Return data
:Last mov w, Temp ;Data to pass
stz ;Indicate last byte
retp ;Return data
appTxRegData
mov w, #$10 ;w = $10
add w, appTxBank ;w = current bank (starting from $10)
add w, appTxPosition ;w = pointer to current register
mov FSR, w ;Apply pointer
mov Temp, INDF ;Obtain data from register
bank appBank
csne appTxPosition, #$0F ;Last byte to be transmitted in frame ?
jmp :Last ;Yes => indicate last
:More inc appTxPosition ;No => indicate more. Increment position fo next data byte
mov w, Temp ;Recover data to send
clz ;Indicate more data to follow
retp
:Last mov w, Temp ;Recover data to send
stz ;Indicate last byte
retp
appTxPortData
mov w, rc ;Return contents of port c
stz ;Indicate no more data to send
retp ;Return data
;********** lmp2appTxCommValid **********
lmp2appTxCommValid ;All data passed since last Valid/Error message were acknowledged as received by the remote station
bank appBank
csne appTxState, #appTxRegState ;Currently transmitting registers ?
jmp :Reg ;Yes => send more registers (multi frame)
clr appTxState ;No => finished transmitting, return to idle state
retp
:Reg add appTxBank, #$20 ;Add $20 for next bank
sz ;Back to starting bank ?
retp ;No => more data to send, stay in this state
clr appTxState ;Yes => finished transmitting, return to idle state
retp
;********** lmp2appTxCommError **********
lmp2appTxCommError ;All data passed since last Valid/Error message were discarded and will need to be sent again
retp ;Stay in current state for retransmission
;********** UI Frames **********
lap2appRxUIData = appReturn
lap2appRxUIValid = appReturn
lap2appRxUIError = appReturn
lap2appTxUIData = appReturn
lap2appTxUIComplete = appReturn
;********** Uart **********
a2appRxAvail
bank IsrBank
clrb UartRxAvail ;Clear flag
retp
;********************************************************************************
ENDM
AppCommTransCodeSeg MACRO
;********************************************************************************
; APP LAYER - CommTrans
;********************************************************************************
appBank = $D0 ;Local variables
appData = $F0 ;16-byte buffer
appHeadPtr = appBank + 0 ;1 byte
appTailPtr = appBank + 1 ;1 byte
;********** Return **********
appReturn retp
;********** a2appReset **********
a2appReset
bank appBank
clr appHeadPtr ;Init buffer head pointer
clr appTailPtr ;Init buffer tail pointer
clrb UartCtsPin ;Indicate CTS to PC - ready to accept more data
retp
;********** lmp2appRxCommData **********
lmp2appRxCommData ;Incomming data bytes
debug 1 ;Show data out debug port
retp
;********** lmp2appRxCommValid **********
lmp2appRxCommValid ;Data bytes passed since last Valid/Error message are valid
retp
;********** lmp2appRxCommError **********
lmp2appRxCommError ;Data bytes passed since last Valid/Error message are invalid and should be discarded
retp
;********** lmp2appTxCommStart **********
lmp2appTxCommStart ;Data bytes can now be sent. Return Z = flase if data to be sent
bank appBank
mov w, appHeadPtr ;Compare head pointer with tail pointer
xor w, appTailPtr ;Z is true if they match => indicating no data to send
retp ;Z is false if they do not match indicating data to send
;********** lmp2appTxCommData **********
lmp2appTxCommData ;Data bytes can now be sent. If there is data available then return data byte and set Last (z) to false
bank appBank
mov w, appTailPtr ;Index into buffer
and w, #%00001111 ;16 byte buffer
xor w, #appData ;Add pointer to first byte of data
mov FSR, w ;Apply pointer
mov Temp, INDF ;Read byte out of buffer
bank appBank
inc appTailPtr ;move on tail ptr
mov w, appHeadPtr ;Compare head pointer with tail pointer
xor w, appTailPtr ;Do they match (indicating no more data)
jz :Last ;Yes => no more data
:More mov w, Temp ;No => more data. Recover data
clz ;Indicate more data to follow
retp ;Return data
:Last mov w, Temp ;Recover data
clrb UartCtsPin ;Indicate CTS to PC - ready to accept more data
stz ;Indicate last byte
retp ;Return data
;********** lmp2appTxCommValid **********
lmp2appTxCommValid ;All data passed since last Valid/Error message were acknowledged as received by the remote station
retp
;********** lmp2appTxCommError **********
lmp2appTxCommError ;All data passed since last Valid/Error message were discarded and will need to be sent again
retp
;********** UI Frames **********
lap2appRxUIData = appReturn
lap2appRxUIValid = appReturn
lap2appRxUIError = appReturn
lap2appTxUIData = appReturn
lap2appTxUIComplete = appReturn
;********** Uart **********
a2appRxAvail
setb UartCtsPin ;Indicate NOT CTS after 1st byte (PC will send 16 bytes after loosing CTS!)
bank IsrBank
mov Temp, UartRxData ;Store received byte in buffer
clrb UartRxAvail ;Clear flag
bank appBank
mov w, appHeadPtr ;Index into buffer
and w, #%00001111 ;16 byte buffer
xor w, #appData ;Add pointer to first byte of data
mov FSR, w ;Apply pointer
mov INDF, Temp ;Store data
bank appBank
inc appHeadPtr ;Record count
retp
;********************************************************************************
ENDM
AppSX2SXCodeSeg MACRO
;********************************************************************************
; APP LAYER - SX 2 SX
;********************************************************************************
appBank = $F0
appTxState = appBank + 0 ;Current transmission type
appTxPosition = appBank + 1 ;Current transmission position
appTxStrState = 1
appTxPortState = 2
;********** Return **********
appReturn retp
;********** a2appReset **********
a2appReset
bank appBank
clr appTxState
retp
;********** lmp2appCommData **********
lmp2appRxCommData = appReturn
lmp2appRxCommValid = appReturn
lmp2appRxCommError = appReturn
lmp2appTxCommData = appReturn
lmp2appTxCommValid = appReturn
lmp2appTxCommError = appReturn
lmp2appTxCommStart
stz
retp
;********** UI Frames - Rx **********
lap2appRxUIData
debug 1 ;Show data
retp
lap2appRxUIValid
retp
lap2appRxUIError
retp
;********** UI Frames - Tx **********
lap2appTxUIData
bank appBank
mov w, appTxState ;Jump based on state
jmp PC+w
retp ;0 = Invalid
jmp appTxStrData ;1 = appTxStrState
jmp appTxPortData ;2 = appTxPortState
appTxStrData
mov m, #_lmpIASDeviceNameText / 256 ;Pointer to string (high)
mov w, #_lmpIASDeviceNameText ;Pointer to string (low)
add w, appTxPosition ;index into string
inc appTxPosition ;Increment offset for next byte
iread ;Read data from ROM
mov Temp, w ;Store data
mov w, m ;Move high part of data to w
test w ;Is this the last byte ?
jnz :Last ;Yes => indicate last
:More mov w, Temp ;No => indicate more. Recover data to pass
clz ;Indicate more data to follow Data
retp ;Return data
:Last mov w, Temp ;Data to pass
stz ;Indicate last byte
retp ;Return data
appTxPortData
mov w, rc ;Return contents of port c
stz ;Indicate no more data to send
retp ;Return data
lap2appTxUIComplete
bank appBank
retp
;********** Uart **********
a2appRxAvail
bank IsrBank
mov Temp, UartRxData ;Store received byte in Temp
clrb UartRxAvail ;Clear data available flag
bank appBank
debugf 1, Temp ;Show command
csne Temp, #'d' ;Was the byte a 'd'
jmp :XID ;Yes => request discovery
csne Temp, #'s' ;Was the byte a 's'
jmp :STR ;Yes => send the broadcast string
csne Temp, #'c' ;Was the byte a 'c'
jmp :PORT ;Yes => send contents of port c
retp
:XID call @app2lapDiscoveryRequest ;Request discovery
mov w, #'^' ;Assume accepted (zero false)
snz ;Was the request accepted ?
mov w, #'!' ;No => refused
debug 1 ;Send character out the debug port for the user
retp
:STR mov appTxState, #appTxStrState ;Will send string
clr appTxPosition ;Reset position
jmp :Send
:PORT mov appTxState, #appTxPortState ;Will send port
:Send call @app2lapTxUIStart
mov w, #'^' ;Assume accepted (zero false)
snz ;Was the request accepted ?
mov w, #'!' ;No => refused
debug 1 ;Send character out the debug port for the user
retp
;********************************************************************************
ENDM
| file: /Techref/scenix/lib/io/osi2/ir/da/App.src, 13KB, , updated: 1999/12/6 15:50, local time: 2024/11/19 23:05,
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