MainInfoSeg MACRO ;******************************************************************************** ; Main Code ;******************************************************************************** ENDM MainCodeSeg MACRO ;******************************************************************************** ; Main Code ;******************************************************************************** ledRX = ra.0 ledTX = ra.1 ledCON = ra.2 ledERR = ra.3 Startup mov m, #TRIS mov ra, #%0000 ;init Port A mov !ra, #%0000 ;Port A (LEDs) - Outputs mov rb, #%00001100 ;init rb - UartTx (bit 2) and UartCTS (bit 3) = idle high mov !rb, #%01110011 ;Direction mov m, #PLP mov !rb, #%11001111 ;Enable pullup on unused pins (bits 4 and 5) mov m, #WKED mov !rb, #%11111110 ;IrRx (bit 6) = falling edge, UartRx (bit0) = rising edge clr rc ;Init output to 0 mov m, #TRIS mov !rc, #%10101011 ;Port C (IO Port) direction - set for jumper use mov m, #PLP mov !rc, #%01010100 ;Port C (IO Port) pullup - enabled on input pins clr fsr ;reset all ram banks :loop setb fsr.4 clr ind ijnz fsr,:loop call @IsrInit call @a2flReset call @a2plReset call @a2lapReset call @a2lmpReset call @a2appReset Asynchronous ;Note: flags are global snb IrdaRxAvail ;Irda byte received ? call @a2flRxAvail snb IrdaTxEmpty ;Irda TxEmpty flag set ? call @a2flTxEmpty snb UartRxAvail ;Uart byte received ? call @a2appRxAvail snb TimerOverflow ;Timer Overflow flag set ? call @a2lapTimer jmp Asynchronous ;******************************************************************************** ENDM
file: /Techref/scenix/lib/io/osi2/ir/da/MAIN.SRC, 1KB, , updated: 1999/12/6 14:37, local time: 2024/11/12 11:39,
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