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	<title>blog.felipebalbi.com &#187; Linux</title>
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	<link>http://blog.felipebalbi.com</link>
	<description>Felipe Balbi&#039;s Blog</description>
	<lastBuildDate>Wed, 12 May 2010 08:59:19 +0000</lastBuildDate>
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			<item>
		<title>Controlling power supplies with USB</title>
		<link>http://blog.felipebalbi.com/2010/05/12/controlling-power-supplies-with-usb/</link>
		<comments>http://blog.felipebalbi.com/2010/05/12/controlling-power-supplies-with-usb/#comments</comments>
		<pubDate>Wed, 12 May 2010 08:55:56 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[USB]]></category>
		<category><![CDATA[cleware]]></category>
		<category><![CDATA[libusb]]></category>

		<guid isPermaLink="false">http://blog.felipebalbi.com/?p=52</guid>
		<description><![CDATA[When I wanted to automate some of my tests and prevent myself from having to reach the power supply, I looked for a product which would allow me to switch off the power of the device remotely. I then found Cleware which provides some really useful USB-Switches.

After spending some time trying to figure out how [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2010/05/12/controlling-power-supplies-with-usb/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Maemo USB are going open source</title>
		<link>http://blog.felipebalbi.com/2009/10/15/maemo-usb-are-going-open-source/</link>
		<comments>http://blog.felipebalbi.com/2009/10/15/maemo-usb-are-going-open-source/#comments</comments>
		<pubDate>Thu, 15 Oct 2009 19:32:15 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[maemo]]></category>
		<category><![CDATA[open source]]></category>
		<category><![CDATA[usb]]></category>

		<guid isPermaLink="false">http://blog.felipebalbi.com/?p=49</guid>
		<description><![CDATA[We are moving towards an open source development style so instead of pushing our code to mainline kernel tree after the project has finished, we will start working straight with linux-usb community and push our changes to mainline much more frequently.
Let's hope this new model helps us keeping more in touch with the USB community.
Our [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2009/10/15/maemo-usb-are-going-open-source/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>USB Composite Gadget Framework</title>
		<link>http://blog.felipebalbi.com/2008/05/25/usb-composite-gadget-framework/</link>
		<comments>http://blog.felipebalbi.com/2008/05/25/usb-composite-gadget-framework/#comments</comments>
		<pubDate>Sat, 24 May 2008 22:56:11 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[USB]]></category>
		<category><![CDATA[composite]]></category>
		<category><![CDATA[framework]]></category>
		<category><![CDATA[gadget]]></category>
		<category><![CDATA[usb]]></category>

		<guid isPermaLink="false">http://blog.felipebalbi.com/?p=44</guid>
		<description><![CDATA[We are happy to announce the USB Composite Gadget Framework. This new framework will help us writing reusable and combinable entities (called usb_functions) for creating a usb composite gadget.]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2008/05/25/usb-composite-gadget-framework/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Musb driver is going to mainline</title>
		<link>http://blog.felipebalbi.com/2008/05/24/musb-driver-is-going-to-mainline/</link>
		<comments>http://blog.felipebalbi.com/2008/05/24/musb-driver-is-going-to-mainline/#comments</comments>
		<pubDate>Sat, 24 May 2008 19:00:23 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[OTG]]></category>
		<category><![CDATA[USB]]></category>
		<category><![CDATA[musb]]></category>

		<guid isPermaLink="false">http://blog.felipebalbi.com/?p=43</guid>
		<description><![CDATA[Musb driver is finally going to mailine. The plan is to merge it for 2.6.26]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2008/05/24/musb-driver-is-going-to-mainline/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Upgrading U-boot via serial</title>
		<link>http://blog.felipebalbi.com/2007/12/06/upgrading-u-boot-via-serial/</link>
		<comments>http://blog.felipebalbi.com/2007/12/06/upgrading-u-boot-via-serial/#comments</comments>
		<pubDate>Thu, 06 Dec 2007 22:34:45 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[U-boot]]></category>

		<guid isPermaLink="false">http://felipebalbi.com/blog/?p=38</guid>
		<description><![CDATA[U-boot is an open source bootloader. This post is here because I had a problem with U-boot where I couldn't update it using ethernet.
It's not that difficult to use serial line for u-boot upgrading, as long as you have a "working" u-boot flashed in your board, you can always use loady or loadb to download [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>UWB Security and OMAP</title>
		<link>http://blog.felipebalbi.com/2007/11/14/uwb-security-and-omap/</link>
		<comments>http://blog.felipebalbi.com/2007/11/14/uwb-security-and-omap/#comments</comments>
		<pubDate>Wed, 14 Nov 2007 12:45:24 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Cryptography]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[OMAP]]></category>
		<category><![CDATA[UWB]]></category>
		<category><![CDATA[AES]]></category>
		<category><![CDATA[CryptoAPI]]></category>
		<category><![CDATA[omap]]></category>

		<guid isPermaLink="false">http://felipebalbi.com/blog/?p=35</guid>
		<description><![CDATA[Hello all,
When dealing with wireless communications we must protect our information by using cryptographic techniques. UWB is not different from any other wireless connection and we must take care of its security as well. There are already a bunch of cryptographic algorithms out there but which algorithm was chosen to be used with UWB ? [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2007/11/14/uwb-security-and-omap/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>HNP: Host Negotiation Protocol</title>
		<link>http://blog.felipebalbi.com/2007/11/08/hnp-host-negotiation-protocol/</link>
		<comments>http://blog.felipebalbi.com/2007/11/08/hnp-host-negotiation-protocol/#comments</comments>
		<pubDate>Thu, 08 Nov 2007 14:26:27 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[OMAP]]></category>
		<category><![CDATA[OTG]]></category>

		<guid isPermaLink="false">http://felipebalbi.com/blog/?p=32</guid>
		<description><![CDATA[We already discussed a bit about it and we know this is a feature to allow role switching in otg sessions without changing the cable.  But what does this really mean? Who handle this? Which device(s) already support it? How should I know that my device supports HNP? Is there any public code for [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2007/11/08/hnp-host-negotiation-protocol/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Linux-UWB Project</title>
		<link>http://blog.felipebalbi.com/2007/11/08/linux-uwb-project/</link>
		<comments>http://blog.felipebalbi.com/2007/11/08/linux-uwb-project/#comments</comments>
		<pubDate>Thu, 08 Nov 2007 13:09:34 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[UWB]]></category>
		<category><![CDATA[Linux-UWB]]></category>

		<guid isPermaLink="false">http://felipebalbi.com/blog/?p=31</guid>
		<description><![CDATA[Linux-UWB Project aims to develop a complete Ultra-Wide-Band stack for Linux Kernel. They're also working on WUSB and WiNET.
Part of the code is already done and hosted in a Mercurial Tree (it should be git :-p) available in: http://bughost.org/repos.hg/uwb.hg
Anyone is invited to join this work by pointing to http://linuxuwb.org, checking out the code and looking [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2007/11/08/linux-uwb-project/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SRP Overview</title>
		<link>http://blog.felipebalbi.com/2007/11/07/srp-overview/</link>
		<comments>http://blog.felipebalbi.com/2007/11/07/srp-overview/#comments</comments>
		<pubDate>Wed, 07 Nov 2007 18:49:23 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[OTG]]></category>
		<category><![CDATA[musb]]></category>
		<category><![CDATA[otg]]></category>
		<category><![CDATA[SRP]]></category>

		<guid isPermaLink="false">http://felipebalbi.com/blog/?p=26</guid>
		<description><![CDATA[Hello all,
What's SRP or Session Request Protocol? What is this for?  How does this happen? How to implement it? How can I see it working?
These are the questions we're trying to answer in this post. Our first piece of code will come in this post. Like I said before, all codes are based on [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2007/11/07/srp-overview/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>OTG Overview</title>
		<link>http://blog.felipebalbi.com/2007/11/07/otg-overview/</link>
		<comments>http://blog.felipebalbi.com/2007/11/07/otg-overview/#comments</comments>
		<pubDate>Wed, 07 Nov 2007 12:12:53 +0000</pubDate>
		<dc:creator>Felipe Balbi</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[OMAP]]></category>
		<category><![CDATA[OTG]]></category>
		<category><![CDATA[USB]]></category>
		<category><![CDATA[git]]></category>
		<category><![CDATA[musb]]></category>
		<category><![CDATA[omap]]></category>
		<category><![CDATA[otg]]></category>
		<category><![CDATA[tusb]]></category>
		<category><![CDATA[usb]]></category>

		<guid isPermaLink="false">http://felipebalbi.com/blog/?p=25</guid>
		<description><![CDATA[Hi all,
Let's start to take a look in USB OTG (On-the-go) functionalities. Of course, I'll focus on linux and MUSB driver which you can find in linux-omap git tree. In this first post, just a quick overview of the specs and its features.

Objective
The objective of USB OTG is that portable devices have the ability to [...]]]></description>
		<wfw:commentRss>http://blog.felipebalbi.com/2007/11/07/otg-overview/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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