Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.csd.uwm.edu!cs.utexas.edu!uunet!melpar!toppin From: toppin@melpar.UUCP (Doug Toppin) Newsgroups: comp.sources.wanted Subject: Unix/Xenix Serial Performance Testing S/W? Keywords: serial testing Message-ID: <226@melpar.UUCP> Date: 17 Aug 89 14:17:15 GMT Distribution: usa Organization: E-Systems, Falls Church, VA Lines: 18 Is anyone aware of existing software that will send serial data on one end and receive it on the other and note character loss/corruption? I don't want to resend I just want to see if any data was lost. We have a custom piece of hardware that is attached via a serial line to a PC/AT running IBM Xenix 2 and are experiencing character loss problems. There is no validation/resend protocol between the two and if we are not ready to read from the device (typically 8K burst transfers every 15-30 seconds) we lose the data or it gets partially read. We are using a Digiboard card now and are going to evaluate a Frontier card with a custom driver soon. We have done similar tests in the past by attaching a terminal that can do a block write of 8K to a waiting 'cat' on the processor and then examined what 'cat' got. If anyone is aware of a better way that is between free and cheap cost-wise please let me know. Doug Toppin uunet!melpar!toppin