From d7861f058efe5dacd284549079ac1e496397c3ba Mon Sep 17 00:00:00 2001 From: skarg Date: Fri, 14 Aug 2009 15:15:32 +0000 Subject: [PATCH] updated text for readme. --- bacnet-stack/demo/mstpcap/readme.txt | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/bacnet-stack/demo/mstpcap/readme.txt b/bacnet-stack/demo/mstpcap/readme.txt index 32c07eb8..a54bd59d 100644 --- a/bacnet-stack/demo/mstpcap/readme.txt +++ b/bacnet-stack/demo/mstpcap/readme.txt @@ -1,8 +1,8 @@ -MSTP Capture Tool +BACnet MS/TP Capture Tool -This tool captures MS/TP packets on an RS485 serial interface, +This tool captures BACnet MS/TP packets on an RS485 serial interface, and saves the packets to a file in Wireshark PCAP format for -the MS/TP dissector to read. The filename has a date and time +the BACnet MS/TP dissector to read. The filename has a date and time code in it, and will contain up to 65535 packets. A new file will be created at each 65535 packet interval. The tool can be stopped by using Control-C. @@ -17,8 +17,8 @@ MAC MaxMstr Tokens Retries Treply Tusage Trpfm Tder Tpostpd 0 0 525 0 32 0 0 0 0 1 127 525 0 16 79 0 0 0 -MS/TP capture tool also includes statistics which are listed for -any MAC addresses found passing a token, +The BACnet MS/TP capture tool also includes statistics which are +listed for any MAC addresses found passing a token, or any MAC address replying to a DER message. The statistics are emitted when Control-C is pressed, or when 65535 packets are captured and the new file is created. @@ -49,6 +49,7 @@ than 250ms. Tpostpd = maximum number of milliseconds to respond to DataExpectingReply request with ReplyPostponed. Tpostpd is required to be less than 250ms. + Note that the mstpcap tool may not have that good of resolution on Windows, so timing under 50ms may not be accurate.