Message-ID: <399A2DF6.924B4169@aareus.com> From: "Cyrus W." Organization: Aareus Software X-Mailer: Mozilla 4.72 [en] (Win95; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.os.msdos.djgpp Subject: Re: read a character string from a serial port ...... References: <8ncd7g$18p$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> <3999C9A2 DOT E15E3D12 AT aareus DOT com> <8ncl1s$3ia$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 24 Date: Wed, 16 Aug 2000 00:00:23 -0600 NNTP-Posting-Host: 207.34.75.11 X-Trace: jekyl.ab.tac.net 966405672 207.34.75.11 (Wed, 16 Aug 2000 00:01:12 MDT) NNTP-Posting-Date: Wed, 16 Aug 2000 00:01:12 MDT To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com An ISR is an Interrupt Service Routine, it's really quite a broad topic, and essential for good serial port communication: http://www.delorie.com/djgpp/dl/contrib/sample-interrupt-handlers-v2.zip I can't stress enough, that using SvaSync http://www.delorie.com/djgpp/dl/contrib/svasync.zip is a painless way to do serial port io. If you still want to make your own you will learn a lot from it. Cyrus - If wishes were horses, beggars would ride. Florent wrote: > Thank you for your help but what is ISR ? a program ? Hardware ? > I found many pages about ISR (but nothing match what I was looking for) > ....... and with the SvaSync .... nothing. > > My program is under DOS and on a small computer (66Mhz) and I think there is > a possiblity to read esealy a string or to increase the size of the serial > port buffer ........ no ?