If moving to the new serial manager doesn't clear up your problems (the old serial manager will not work after OS 4.x) you should check your connection cable. Can you communicate with your device using the Windows terminal program and cable you currently have? If not, you need to fix that first.
----- Original Message ----- From: "Akhil Bhandari" <[EMAIL PROTECTED]> To: "Palm Developer Forum" <[EMAIL PROTECTED]> Sent: Wednesday, August 28, 2002 12:34 AM Subject: RE: Help with basic serial communication > Try it with new serial manager, as this solved our > problem. > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On > Behalf Of Sean > Rogers > Sent: Wednesday, August 28, 2002 7:11 AM > To: Palm Developer Forum > 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 > > > _______________________________________________________ > __________ > MSN Photos is the easiest way to share and print your > photos: > http://photos.msn.com/support/worldwide.aspx > > > > -- > For information on using the Palm Developer Forums, or > to unsubscribe, please see > http://www.palmos.com/dev/support/forums/ > > > > -- > For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/ > -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
