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	<updated>2017-06-27T15:44:41+02:00</updated>

	<author><name><![CDATA[Objective Development Forums]]></name></author>
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		<entry>
		<author><name><![CDATA[ulao]]></name></author>
		<updated>2017-06-27T15:44:41+02:00</updated>

		<published>2017-06-27T15:44:41+02:00</published>
		<id>https://forums.obdev.at/viewtopic.php?t=10858&amp;p=32427#p32427</id>
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		<title type="html"><![CDATA[Re: Setup with ATMega2560]]></title>

		
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What watt diodes do you have on the +/- leads.<p>Statistics: Posted by <a href="https://forums.obdev.at/memberlist.php?mode=viewprofile&amp;u=1281">ulao</a> — Tue Jun 27, 2017 3:44 pm</p><hr />
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		<entry>
		<author><name><![CDATA[wicked88]]></name></author>
		<updated>2017-06-17T22:13:32+02:00 </updated>

		<published>2017-06-17T09:49:15+02:00</published>
		<id>https://forums.obdev.at/viewtopic.php?t=10858&amp;p=32380#p32380</id>
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		<title type="html"><![CDATA[Setup with ATMega2560]]></title>

		
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Hi guys,<br /><br />Im new to USB and V-USB. I'm trying to put to work the hid mouse in my Arduino Mega. Compilation is smooth, tho, whenever i connect the device it tells me that the device descriptor request failed. So, my guess goes to flash page. How can i find the flash page of the descriptors ??<br /><br />-----------<br /><br />I was testing everything with a USB Sniffer, here is what i got :<br /><br />000000182017-06-17 19:27:14,4804743+73,1020093UPPnP: Device Connected<br />000000192017-06-17 19:27:14,4816281+0,0011538UPPnP: Device Surprise Removal<br />000000202017-06-17 19:27:14,4818536+0,0002255UPPnP: Device Disconnected<br /><br />I also looked at this thread <a href="https://forums.obdev.at/viewtopic.php?t=6959" class="postlink">https://forums.obdev.at/viewtopic.php?t=6959</a> and corrected what the user pointed out regarding the flash stuff. Tho, it seems that my problem must come from another place, maybe circuitry ? Also, i can't compile the full sketch because i'm getting this error <div class="codebox"><p>Code: </p><pre><code>undefined reference to `usbCrc16Append</code></pre></div>. I can see the prototypes in usbdrv.h but the definition is missing. Help ??<br /><br />------------<br /><br />Also, i've tried to print the reports memory address:<br /><br /><div class="codebox"><p>Code: </p><pre><code>   printf(&quot;\nStarting boot process ...\n&quot;);<br />   printf(&quot;Device Descriptor Mem Address: %p\n&quot;,(void *)(&amp;usbDescriptorDevice&#91;0&#93;));<br />   printf(&quot;Configuration Descriptor Mem Address: %p\n&quot;,(void *)(&amp;usbDescriptorConfiguration&#91;0&#93;));<br />   printf(&quot;Report Descriptor Mem Address: %p\n&quot;,(void *)(&amp;usbDescriptorHidReport&#91;0&#93;));<br />   printf(&quot;String0 Mem Address: %p\n&quot;,(void *)(&amp;usbDescriptorString0&#91;0&#93;));<br />   printf(&quot;String Vendor Mem Address: %p\n&quot;,(void *)(&amp;usbDescriptorStringVendor&#91;0&#93;));<br />   printf(&quot;String Device Mem Address: %p\n&quot;,(void *)(&amp;usbDescriptorStringDevice&#91;0&#93;));<br /></code></pre></div><br /><br />And the result was:<br /><br /><div class="codebox"><p>Code: </p><pre><code>Starting boot process ...<br />Device Descriptor Mem Address: 0x106<br />Configuration Descriptor Mem Address: 0xe4<br />Report Descriptor Mem Address: 0x13a<br />String0 Mem Address: 0x136<br />String Vendor Mem Address: 0x124<br />String Device Mem Address: 0x118<br /></code></pre></div><p>Statistics: Posted by <a href="https://forums.obdev.at/memberlist.php?mode=viewprofile&amp;u=22709">wicked88</a> — Sat Jun 17, 2017 9:49 am</p><hr />
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