Kyrre Aalerud wrote:

> Hi again people...  I found a curious problem with my PIC16F88.
> I have configured USART to asynch mode and it receives and transmits data as
> it should.
> I wait for the RCIF on register PIR1 to become 1 before reading a byte from
> the RCREG.

>
> However, upon init I am waiting for a single character, when having RCIF = 0
> to start with.
> It appears I need to transmit 3 bytes before the buffer is full and I
> actually read a byte?

Why should the transmitter have anything to do with the receiver?

>
> This isn't supposed to happen?  Anyone else experienced the RCIF to not be
> updated after receiving the first byte?


BTW, the 8mS allowance to have a response is NOT long enough for
Windows, which sometimes is too busy to post the serial character. Needs
to be 1/2sec.

--Bob


>
>
> Kyrre
>
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         Bob Axtell
PIC Hardware & Firmware Dev
   http://beam.to/baxtell
       1-520-219-2363

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