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    <title>topic MQX USB host stack support for USB video class in Kinetis Microcontrollers</title>
    <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/MQX-USB-host-stack-support-for-USB-video-class/m-p/411829#M23310</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Hi,&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;My requirement is to design a USB host (HUB) for a USB camera device that supports UVC with Kinetis K20 controller (MQX running).&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;I checked the USB stack, available on freescale website.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;The issue is that&amp;nbsp; the USB video device API functions are &lt;/SPAN&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt; &lt;SPAN style="background: yellow;"&gt;NOT available with Freescale USB host stack&lt;/SPAN&gt;.&lt;/SPAN&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt; &lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;But similar video API functions are &lt;SPAN style="background: yellow;"&gt;available with Freescale USB Device stack&lt;/SPAN&gt;.&lt;BR /&gt;&lt;/SPAN&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 9pt; mso-ansi-language: EN-US;"&gt;Document Number: USBAPIRM Rev. 11&amp;nbsp; Function:&lt;BR /&gt;USB_Class_Video_Send_Data()&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Please provide inputs on how to read video data using USB host stack.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;I am new to USB development. If anyone has implemented USB host video class with Kinetic please suggest. &lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;If any help documentation is available please share.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;It would be great if someone can just guide me to port the standard USB Video Class for my Kinetis controller.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Regards,&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Sameer Srivastava&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Message was edited by: sameer srivastava&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 18 Jun 2015 12:33:51 GMT</pubDate>
    <dc:creator>sameersrivastav</dc:creator>
    <dc:date>2015-06-18T12:33:51Z</dc:date>
    <item>
      <title>MQX USB host stack support for USB video class</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/MQX-USB-host-stack-support-for-USB-video-class/m-p/411829#M23310</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Hi,&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;My requirement is to design a USB host (HUB) for a USB camera device that supports UVC with Kinetis K20 controller (MQX running).&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;I checked the USB stack, available on freescale website.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;The issue is that&amp;nbsp; the USB video device API functions are &lt;/SPAN&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt; &lt;SPAN style="background: yellow;"&gt;NOT available with Freescale USB host stack&lt;/SPAN&gt;.&lt;/SPAN&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt; &lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;But similar video API functions are &lt;SPAN style="background: yellow;"&gt;available with Freescale USB Device stack&lt;/SPAN&gt;.&lt;BR /&gt;&lt;/SPAN&gt;&lt;SPAN lang="EN-US" style="font-family: 'Helvetica','sans-serif'; font-size: 9pt; mso-ansi-language: EN-US;"&gt;Document Number: USBAPIRM Rev. 11&amp;nbsp; Function:&lt;BR /&gt;USB_Class_Video_Send_Data()&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Please provide inputs on how to read video data using USB host stack.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;I am new to USB development. If anyone has implemented USB host video class with Kinetic please suggest. &lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;If any help documentation is available please share.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;It would be great if someone can just guide me to port the standard USB Video Class for my Kinetis controller.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Regards,&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN lang="EN-US" style="font-family: 'Arial','sans-serif'; font-size: 10pt; mso-ansi-language: EN-US;"&gt;Sameer Srivastava&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Message was edited by: sameer srivastava&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 18 Jun 2015 12:33:51 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/MQX-USB-host-stack-support-for-USB-video-class/m-p/411829#M23310</guid>
      <dc:creator>sameersrivastav</dc:creator>
      <dc:date>2015-06-18T12:33:51Z</dc:date>
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