<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">I am trying to suppress Bandscope data from being sent from Metis/Mercury to the PC. The firmware versions are Metis 2.6b and Mercury 3.4. I started the system using the designated command as follows (in Objective-C on a MAC running OS X 10.9.2):<div><br></div><div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">- (<span style="color: #703daa">Boolean</span>)startStop:(<span style="color: #bb2ca2">int</span>)command</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">{</div><div style="margin: 0px; font-size: 11px; font-family: Menlo; color: rgb(187, 44, 162);"><span style="color: #000000"><span class="Apple-tab-span" style="white-space:pre"> </span></span>unsigned<span style="color: #000000"> </span>char<span style="color: #000000"> msg[</span><span style="color: #272ad8">64</span><span style="color: #000000">] ;</span></div><p style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"><span class="Apple-tab-span" style="white-space:pre"> </span><br class="webkit-block-placeholder"></p><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"> </span>msg[<span style="color: #272ad8">0</span>] = <span style="color: #272ad8">0xef</span> ;</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"> </span>msg[<span style="color: #272ad8">1</span>] = <span style="color: #272ad8">0xfe</span> ;</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"> </span>msg[<span style="color: #272ad8">2</span>] = <span style="color: #272ad8">0x04</span> ;</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"> </span>msg[<span style="color: #272ad8">3</span>] = command ;</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #78492a">memset</span>( msg+<span style="color: #272ad8">4</span>, <span style="color: #272ad8">0</span>, <span style="color: #272ad8">60</span> ) ;</div><div style="margin: 0px; font-size: 11px; font-family: Menlo;"> [ <span style="color: #bb2ca2">self</span> <span style="color: #31595d">write</span>:msg <span style="color: #31595d">length</span>:<span style="color: #272ad8">64</span> ] ;</div><div style="margin: 0px; font-size: 11px; font-family: Menlo; color: rgb(187, 44, 162);"><span style="color: #000000"> </span>return<span style="color: #000000"> </span>YES<span style="color: #000000">;</span></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;">}</div><div><br></div><div>where the "command" parameter is set to 0x1. </div><div><br></div><div>This is as per "Metis - How it works_V1.27" shown below:</div></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><div><div class="page" title="Page 4"><div class="layoutArea"><div class="column"><p><span style="font-size: 12.000000pt; font-family: 'Times'; font-style: italic">Start Command
</span></p></div></div></div></div></div><div><div><div class="page" title="Page 4"><div class="layoutArea"><div class="column"><p><span style="font-size: 12.000000pt; font-family: 'Times'">Metis will start sending UDP/IP data to the ‘from port’, IP address and MAC address of a
PC that sends a Start Command. The Start Command is a UDP/IP frame sent to the
Ethernet address assigned to the Metis card and port 1024. The command has the
following format:
</span></p></div></div></div></div></div><div><div><div class="page" title="Page 4"><div class="layoutArea"><div class="column"><p><span style="font-size: 12.000000pt; font-family: 'Times'"><0xEFFE><0x04><Command>< 60 bytes of 0x00>
</span></p></div></div></div></div></div><div><div><div class="page" title="Page 4"><div class="layoutArea"><div class="column"><p><span style="font-size: 12.000000pt; font-family: 'Times'">where</span></p></div></div></div></div></div><div><div><div class="page" title="Page 4"><div class="layoutArea"><div class="column"><p><span style="font-size: 10.000000pt; font-family: 'Times'">Command = 1 byte (bit [0] set starts I&Q + Mic data and bit [1] set starts the wide bandscope data) </span></p></div></div></div></div></div></blockquote><div><div>Unfortunately, it seems to ignore the command and send both I/Q data (endpoint 6) and Bandscope data (endpoint 4). Otherwise everything works as expected.</div><div><br></div><div>Is this a known bug? Is there a workaround?</div><div><br></div><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><div>Douglas Adams</div><div><a href="mailto:douglas.adams@me.com">douglas.adams@me.com</a></div><div><br></div></span><br class="Apple-interchange-newline">
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