topic Re: LPC1343 ROM USB HID support: What does SampleInterval do? in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPC1343-ROM-USB-HID-support-What-does-SampleInterval-do/m-p/844961#M33613 <HTML><HEAD></HEAD><BODY><P>Hi <A _jive_internal="true" data-content-finding="Community" data-userid="333236" data-username="kevinmartin" href="https://community.nxp.com/people/kevinmartin">Kevin Martin</A>,</P><P>Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.<BR />Hope the Fig 1 can answer your question.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/71615i32FA4BB69A829EDD/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="text-align: center;">Fig 1</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 04 Jan 2019 10:51:45 GMT jeremyzhou 2019-01-04T10:51:45Z LPC1343 ROM USB HID support: What does SampleInterval do? https://community.nxp.com/t5/LPC-Microcontrollers/LPC1343-ROM-USB-HID-support-What-does-SampleInterval-do/m-p/844960#M33612 <HTML><HEAD></HEAD><BODY><P>I'm using the ROM USB driver on the LPC1343 to implement a custom HID device. One of the fields supplied to the "init" method is called "SampleInterval" and is described as "Interrupt endpoint (IN and OUT) sample interval in ms."</P><P></P><P>In my mind, use of interrupts and sampling are pretty much polar opposites so I'm having trouble making any sense whatsoever from this description.</P><P></P><P>Does anyone have any clues on what these do?</P></BODY></HTML> Wed, 02 Jan 2019 18:08:15 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1343-ROM-USB-HID-support-What-does-SampleInterval-do/m-p/844960#M33612 kevinmartin 2019-01-02T18:08:15Z Re: LPC1343 ROM USB HID support: What does SampleInterval do? https://community.nxp.com/t5/LPC-Microcontrollers/LPC1343-ROM-USB-HID-support-What-does-SampleInterval-do/m-p/844961#M33613 <HTML><HEAD></HEAD><BODY><P>Hi <A _jive_internal="true" data-content-finding="Community" data-userid="333236" data-username="kevinmartin" href="https://community.nxp.com/people/kevinmartin">Kevin Martin</A>,</P><P>Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.<BR />Hope the Fig 1 can answer your question.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/71615i32FA4BB69A829EDD/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="text-align: center;">Fig 1</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 04 Jan 2019 10:51:45 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1343-ROM-USB-HID-support-What-does-SampleInterval-do/m-p/844961#M33613 jeremyzhou 2019-01-04T10:51:45Z