Universal Remote Control R7 - SPECS SHEET Manual de usuario descargar pdf (Pagina 14)

S3F80KB_AN_REV 0.00 (Preliminary Spec) IR REMOTE CONTROLLER

source 1 signal.src

;=============================================================================;

; @brief 1 Bit transmission ;

; @input : T1match = Timer1 match interrupt counter ;

; @input : High_DataH = Bit 1's period ;

; @input : Low_DataH = Bit 0's period ;

; @output : NONE ;

; @ToDo : T1match = #00H , Bit 1 and 0's period ;

;=============================================================================;

BIT_HIGH: ;transmit Bit 1 high & low

LDW T1DATAH,High_DataH

LD T1match,#01H

OR CACON,#00000100B ;\ clear counterA

AND CACON,#~00000100B ;/

EnableREM

TurnIrOn

OR T1CON,#00001000B

BIT_HIGH_LOOP:

TM T1match,#02H

JR Z,BIT_HIGH_LOOP

BIT_LOW: ;transmit Bit 0 high &l ow

LDW T1DATAH,Low_DataH

DisableREM

TurnIrOff

OR T1CON,#00001000B

BIT_LOW_LOOP:

TM T1match,#04H

JR Z,BIT_LOW_LOOP

BIT_END:

RET

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Universal Remote Control R7 - SPECS SHEET Manual de usuario Pagina 14