On Sat, 4 Oct 2003, Lucian wrote:

>         tmp = 16UL * baud;
>         X = (int)(XTAL/tmp) - 1;

How are "tmp" and "X" declared?  How is "XTAL" defined?

>         TXIE = 1;       /* enable tx interrupts */

You don't want to turn on transmit interrupts until you have something
to transmit.  Is your transmit buffer initialized at this point?

>         if(TXIF && TXIE)
>         {
>                 led1_on();
>                 if(SendBufferPos == SendBufferRecPos)
>                         TXEN = 0;

You wouldn't normally want to disable the transmitter in your ISR,
because the transmitter is still active after your ISR has finished
loading bytes into TXREG.

>                         sci_PutByte(sendbuffer[SendBufferPos]);

What does this function do?  You don't need to call a function to
place a byte in TXREG.

--
John W. Temples, III

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