topic Re: Which event will occur if the usb device is disconnected in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/Which-event-will-occur-if-the-usb-device-is-disconnected/m-p/518435#M2669 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Daniel Widyanto on Wed Nov 07 23:05:28 MST 2012</STRONG><BR /><SPAN><SPAN>Refer to </SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=ftp%3A%2F%2Fftp.compaq.com%2Fpub%2Fsupportinformation%2Fpapers%2Fhcir1_0a.pdf" rel="nofollow" target="_blank">ftp://ftp.compaq.com/pub/supportinformation/papers/hcir1_0a.pdf</A><SPAN> for OHCI / LPC17xx USB host registers documentation</SPAN></SPAN><BR /><BR /><SPAN>To cut short: HcInterruptStatus, bit RootHubStatusChange will be set. Then in HcRhPortStatus, bit ConnectStatusChange will be updated for connect / disconnect event. Note that suspend / remote wake-up may also affect RootHubStatusChange&nbsp; status as well.</SPAN><BR /><BR /><SPAN><SPAN>Refer to USB Host Lite - LPC17xx implementation for detecting the connection / disconnect event (</SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Fnxpfile%2Fusbhostlite-lpc17xx" rel="nofollow" target="_blank">http://www.lpcware.com/content/nxpfile/usbhostlite-lpc17xx</A><SPAN>)</SPAN></SPAN><BR /><BR /><BR /><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 17:33:26 GMT lpcware 2016-06-15T17:33:26Z Which event will occur if the usb device is disconnected https://community.nxp.com/t5/LPC-Microcontrollers/Which-event-will-occur-if-the-usb-device-is-disconnected/m-p/518434#M2668 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by cgha on Tue Nov 06 02:03:37 MST 2012</STRONG><BR /><SPAN>I want to set an endpoint to see if the device is disconnect correctly from the LPC1768 usb host. Thanks!</SPAN><BR /><BR /><SPAN>ChrisChen</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:33:25 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Which-event-will-occur-if-the-usb-device-is-disconnected/m-p/518434#M2668 lpcware 2016-06-15T17:33:25Z Re: Which event will occur if the usb device is disconnected https://community.nxp.com/t5/LPC-Microcontrollers/Which-event-will-occur-if-the-usb-device-is-disconnected/m-p/518435#M2669 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Daniel Widyanto on Wed Nov 07 23:05:28 MST 2012</STRONG><BR /><SPAN><SPAN>Refer to </SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=ftp%3A%2F%2Fftp.compaq.com%2Fpub%2Fsupportinformation%2Fpapers%2Fhcir1_0a.pdf" rel="nofollow" target="_blank">ftp://ftp.compaq.com/pub/supportinformation/papers/hcir1_0a.pdf</A><SPAN> for OHCI / LPC17xx USB host registers documentation</SPAN></SPAN><BR /><BR /><SPAN>To cut short: HcInterruptStatus, bit RootHubStatusChange will be set. Then in HcRhPortStatus, bit ConnectStatusChange will be updated for connect / disconnect event. Note that suspend / remote wake-up may also affect RootHubStatusChange&nbsp; status as well.</SPAN><BR /><BR /><SPAN><SPAN>Refer to USB Host Lite - LPC17xx implementation for detecting the connection / disconnect event (</SPAN><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.lpcware.com%2Fcontent%2Fnxpfile%2Fusbhostlite-lpc17xx" rel="nofollow" target="_blank">http://www.lpcware.com/content/nxpfile/usbhostlite-lpc17xx</A><SPAN>)</SPAN></SPAN><BR /><BR /><BR /><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 17:33:26 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Which-event-will-occur-if-the-usb-device-is-disconnected/m-p/518435#M2669 lpcware 2016-06-15T17:33:26Z