I meet the same problem of delays in OS5. But I can't not do anything on
hardware.
Can anybody tell me how to solve this problem from software side?
Thanks in advance.
br,
Tim
----- Original Message -----
From: "Ron Nicholson" <[EMAIL PROTECTED]>
To: "Palm Developer Forum" <[EMAIL PROTECTED]>
Sent: Friday, February 28, 2003 6:57 AM
Subject: Re: Serial comm delays in OS 5 (m550)
> On Thu, 27 Feb 2003 08:06:47,
> Craig Curry <[EMAIL PROTECTED]> writes:
> >I have found the same problem on an application that I am working
> >on. It works fine on pre-OS5s but fails on the Tungsten.
> ...
> >My application is a real time app and must be able to
> >process serial information as it enters the serial port. However I
> >have found that serial input port is buffer incoming bytes of data
> >over a very short time period (3-4 milliseconds).
>
> I'm not sure if you need or want to get involved on a hardware level.
> But the RX_FIFO_E bit of the UART (3?) LSR register in the OMAP
> 1510 seems to report correctly when there is only 1 character in
> the RX_FIFO. There is OMAP5910 documentation is on the TI web
> site. YMMV. Don't forget that the TI HAL might be running serial
> driver code in a separate thread, or possibly even with UART DMA
> enabled.
>
> ( standard disclaimer #3 )
> And, of course, any code that is hardware specific may or will
> fail on new or different PalmOS models and OS versions, so one
> needs to check ones operating environment very carefully.
> ( end standard disclaimer #3 )
>
>
> Ron Nicholson
> HotPaw Productions
> <http://www.hotpaw.com/rhn/hotpaw>
>
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