You might try the CTS or DSR pins and the SerGetStatus() call. You're right
that the Rx pin will not do what you want.
-Paul
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> -----Original Message-----
> From: Siupo [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, April 17, 1999 2:37 AM
> To: [EMAIL PROTECTED]
> Subject: Serial port -read byte
>
>
> hi all,
> I want to connect the serial port to a terminal that is not serial
> communication format. I just want to check the pin whether it is high or
> low. I have tried to use SerReceive(SerialRef,a,length,5,&err) to check
> it, but it say fatalerror. it is because there is no stops ?
> Thanks!
>
> Hope U :-) every second!
>
> E r i c ���_
>
> Electrical and Electronic Engineering
> The Hong Kong University of Science and Technology
> URL: http://home.ust.hk/~ee_slm
>
>