__interrupt void TimerAhandler(void)
{
//unsigned char Register;
unsigned char Register[2];
//kputchar('V');
stopCounter;
//Register = IRQStatus; //IRQ status register address
//irqCLR; //PORT2 interrupt flag clear
//ReadSingle(&Register, 1); //function call for single address read
//IRQ status register has to be read
Register[0] = IRQStatus; /* IRQ status register address */
Register[1] = IRQMask; //Dummy read
//ReadSingle(Register, 2); /* function call for single address read */
//ReadCont(Register, 1);
ReadCont(Register, 2);
// ReadSingle(Register, 1);
*Register = *Register & 0xF7; //set the parity flag to 0
//if(Register == 0x00)
if(*Register == 0x00 || *Register == 0x80) //added code
//if(RXTXstate > 1)
// i_reg = 0xFF;
//else
i_reg = 0x00;
else
i_reg = 0x01;
__low_power_mode_off_on_exit();
}//TimerAhandler
/*
=======================================================================================================================
=======================================================================================================================
*/
void InterruptHandlerReader(unsigned char *Register)
{
/*~~~~~~~~~~~~~~~~*/
/*
* char phello[20];
* //for testing
*/
unsigned char len;
/*~~~~~~~~~~~~~~~~*/
/*
* Register = Register & 0xF7;
* //set the parity flag to 0 ;
* parity is not used in 15693 and Tag-It
*/
#if DBG
Put_byte(*Register);
#endif
if(*Register == 0xA0)
{ /* TX active and only 3 bytes left in FIFO */
i_reg = 0x00;
#if DBG
kputchar('.'); /* FIFO filling is done in the transmit function */
#endif
}
else if(*Register == BIT7)
{ /* TX complete */
i_reg = 0x00;
*Register = Reset; /* reset the FIFO after TX */
DirectCommand(Register);
#if DBG
kputchar('T');
#endif
}
else if((*Register & BIT1) == BIT1)
{ /* collision error */
i_reg = 0x02; /* RX complete */
// *Register = StopDecoders; /* reset the FIFO after TX */
// DirectCommand(Register);
CollPoss = CollisionPosition;
ReadSingle(&CollPoss, 1);
// *Register = 0x0c;
// ReadSingle(Register, 1);
/*
* CollPoss &= 0xF7;
*/
len = CollPoss - 0x20; /* number of valid bytes if FIFO */
if(!POLLING)
{
kputchar('{');
Put_byte(CollPoss);
kputchar('}');
}
if((len & 0x0f) != 0x00) len = len + 0x10; /* add 1 byte if broken byte recieved */
len = len >> 4;
if(len != 0x00)
{
buf[RXTXstate] = FIFO; /* write the recieved bytes to the correct place of the
* buffer;
* */
ReadCont(&buf[RXTXstate], len);
RXTXstate = RXTXstate + len;
} /* if */
*Register = StopDecoders; /* reset the FIFO after TX */
DirectCommand(Register);
*Register = Reset;
DirectCommand(Register);
*Register = IRQStatus; /* IRQ status register address */
*(Register + 1) = IRQMask;
//ReadSingle(Register, 2); /* function call for single address read */
// ReadCont(Register, 2);
if (SPIMODE)
ReadCont(Register, 2);
else
ReadSingle(Register, 1);
TRF_IRQ_CLEAR();
}
