This may sound trivial, but have you turned off the serial connection for
the hotsync. It can cause a problem.
Jonathan T. Dorny, President
4Cite Inc
4101 Vann Drive
Lumberton, NC 28358
1.877.Go.4Cite
[EMAIL PROTECTED]
----- Original Message -----
From: "Sean Rogers" <[EMAIL PROTECTED]>
To: "Palm Developer Forum" <[EMAIL PROTECTED]>
Sent: Tuesday, August 27, 2002 9:40 PM
Subject: Help with basic serial communication
> I've been struggling with this for a while, any help is greatly
appreciated.
>
> I've got an external device that just sends some bytes in through the
serial
> port. I've checked that information is actually coming through the serial
> port, so the external device is fine. I'm using Codewarrior, so I'm
testing
> my application using the palm emulator and the device hooked up through
the
> serial port in COM1. I'm writing the application for Palm III, so I'm
using
> the old Serial Manager. All my serial port settings should be okay, I've
got
> the right baud rate, and parity etc. but my SerRecieve call just times
out.
> Anyone suggest what I could do? Here's my code to recieve the data, and
I'm
> just trying to display it on the screen right now:
>
>
> long toReceive = 4;
> long numReceived;
> long timeout = SysTicksPerSecond (); //1 second timeout
> Err err;
> Int buff[20];
> CharPtr out[20] = {""};
>
> ErrFatalDisplayIf (toReceive > sizeof(buff), "buffer overflow");
>
> numReceived = SerReceive (refNum, buff, toReceive, timeout, &err);
>
> if ( err == serErrLineErr ) {
> SerClearErr (refNum);
> }
>
> StrPrintF (*out, "%d", buff);
> WinDrawChars (*out, 10, 16, 16);
>
>
> Thanks,
> Sean
>
>
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