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344 | ;********************************************************
;
; Remote Controller Transmitter
;
; Author : Seiichi Inoue
;********************************************************
list p=pic16f84a
include p16f84a.inc
__config _hs_osc & _wdt_off & _pwrte_on & _cp_off
errorlevel -302 ;Suppress bank warning
;**************** Label Definition ********************
cblock h'0c'
tx_status ;TX status save area
tx_substatus ;TX substatus save area
pattern ;Pattern save area
endc
ptn1 equ b'11110000' ;Pattern 1 data
ptn2 equ b'00001111' ;Pattern 2 data
ra4 equ d'4' ;RA4 bit position
;**************** Program Start ***********************
org 0 ;Reset Vector
goto init
org 4 ;Interrupt Vector
goto int
;**************** Initial Process *********************
init bsf status,rp0 ;Change to Bank1
movlw b'00000011' ;RA4-2:OUT RA1,0:IN mode
movwf trisa ;Set TRISA reg
movlw b'00000101' ;RBPU/TOCS/PSA=0,PS=101
movwf option_reg ;Set OPTION_REG
bcf status,rp0 ;Change to Bank0
clrf porta ;Stop wave emission
clrf tx_status ;Clear TX status
clrf tx_substatus ;Clear TX substatus
movlw b'00000001' ;Set mask pattern
andwf porta,w ;Pick up RA0
btfsc status,z ;RA0 = 1 (SW1 ON) ?
goto in1 ;No. Check next input
movlw ptn1 ;Set pattern1 data
in0 movwf pattern ;Save pattern data
goto tm ;Jump to timer set
in1 movlw b'00000010' ;Set mask pattern
andwf porta,w ;Pick up RA1
btfsc status,z ;RA1 = 1 (SW2 ON) ?
goto init ;No. Illegal input
movlw ptn2 ;Set pattern2 data
goto in0 ;Jump to pattern save
tm movlw d'100' ;256-10000us/64us = 100
movwf tmr0 ;Set 10msec to TMR0
movlw h'a0' ;GIE=1,TOIE=1
movwf intcon ;Interruption enable
goto $ ;Wait interruption
;********* Begin Timer Interruption Process ***********
int
bcf intcon,t0if ;Clear timer int flag
stchk0
movf tx_status,w ;Read TX status
btfss status,z ;TX status = 0 ?
goto stchk1 ;No. Next
;************ Preamble data send Process **************
movlw d'7' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfsc status,z ;Substatus = 7 ?
goto stinc ;Yes. Substatus + 1
movlw d'8' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfsc status,z ;Substatus = 8 ?
goto st01 ;Yes.
movlw d'9' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfsc status,z ;Substatus = 9 ?
goto st02 ;Yes.
movlw b'00000001' ;Set mask pattern
andwf tx_substatus,w ;Pick up LSB
btfss status,z ;LSB = 0 (Even) ?
goto st00 ;No. (Odd)
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st00 bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st01 bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st02 bsf porta,ra4 ;Start wave emission
clrf tx_substatus ;Clear TX substatus
incf tx_status,f ;Set TX status = 1
goto int_end ;Jump to timer int end
;********************************************************
stchk1
movlw d'1' ;Set check data
subwf tx_status,w ;TX status - check data
btfss status,z ;TX status = 1 ?
goto stchk2 ;No. Next
;************ Control data send Process ***************
movf tx_substatus,w ;Read TX substatus
btfss status,z ;Substatus = 0 ?
goto st11 ;No. Next
movlw b'00000001' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st10 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st10 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st11 movlw d'1' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 1 ?
goto st12 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st12 movlw d'2' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 2 ?
goto st13 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st13 movlw d'3' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 3 ?
goto st15 ;No. Next
movlw b'00000010' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st14 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st14 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st15 movlw d'4' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 4 ?
goto st16 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st16 movlw d'5' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 5 ?
goto st17 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st17 movlw d'6' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 6 ?
goto st19 ;No. Next
movlw b'00000100' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st18 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st18 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st19 movlw d'7' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 7 ?
goto st20 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st20 movlw d'8' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 8 ?
goto st21 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st21 movlw d'9' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 9 ?
goto st23 ;No. Next
movlw b'00001000' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st22 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st22 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st23 movlw d'10' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 10 ?
goto st24 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st24 movlw d'11' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 11 ?
goto st25 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st25 movlw d'12' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 12 ?
goto st27 ;No. Next
movlw b'00010000' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st26 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st26 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st27 movlw d'13' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 13 ?
goto st28 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st28 movlw d'14' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 14 ?
goto st29 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st29 movlw d'15' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 15 ?
goto st31 ;No. Next
movlw b'00100000' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st30 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st30 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st31 movlw d'16' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 16 ?
goto st32 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st32 movlw d'17' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 17 ?
goto st33 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st33 movlw d'18' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 18 ?
goto st35 ;No. Next
movlw b'01000000' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st34 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st34 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st35 movlw d'19' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 19 ?
goto st36 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st36 movlw d'20' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 20 ?
goto st37 ;No. Next
bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st37 movlw d'21' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 21 ?
goto st39 ;No. Next
movlw b'10000000' ;Set mask pattern
andwf pattern,w ;Pick up data
btfss status,z ;Data = 0 ?
goto st38 ;No. Data = 1
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st38 bsf porta,ra4 ;Start wave emission
goto stinc ;Jump to Substatus + 1
st39 movlw d'22' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 22 ?
goto st40 ;No. Next
bcf porta,ra4 ;Stop wave emission
goto stinc ;Jump to Substatus + 1
st40 bsf porta,ra4 ;Start wave emission
clrf tx_substatus ;Clear TX substatus
incf tx_status,f ;Set TX status = 2
goto int_end ;Jump to timer int end
;************** End data send Process *****************
stchk2 movlw d'2' ;Set check data
subwf tx_substatus,w ;Substatus - check data
btfss status,z ;Substatus = 2 ?
goto stinc ;No.Jump to Substatus + 1
bcf porta,ra4 ;Stop wave emission
clrf tx_substatus ;Clear TX substatus
clrf tx_status ;Clear TX status
goto int_end ;Jump to timer int end
;*********** Substatus Increment Process **************
stinc incf tx_substatus,f ;Substatus + 1
;******** End of Timer Interruption Process ***********
int_end movlw d'100' ;256-10000us/64us = 100
movwf tmr0 ;Set 10msec to TMR0
retfie ;End of interruption
;********************************************************
; END of Remote Controller Transmitter
;********************************************************
end |