LPC MicrocontrollersのトピックRe: LPC4357 USB port 0 as host suddenly disables https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-USB-port-0-as-host-suddenly-disables/m-p/589920#M22008 <HTML><HEAD></HEAD><BODY><SPAN>bump</SPAN></BODY></HTML> Sun, 19 Jun 2016 01:04:52 GMT lpcware 2016-06-19T01:04:52Z LPC4357 USB port 0 as host suddenly disables https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-USB-port-0-as-host-suddenly-disables/m-p/589919#M22007 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by michele sponchiado on Fri Mar 11 06:38:37 MST 2016</STRONG><BR /><SPAN>Hi I am experiencing a random problem when reading files from an USB stick: sometimes, the reading from USB stops, and when his happens I find the PE bit in the PORTSC1_H register of the USB reset to 0.</SPAN><BR /><SPAN>I am currently using lpcUSBlib, and when the problem arises, I have found no way to reset the USB back to work mode.</SPAN><BR /><SPAN>This happens in a repetitive manner with some USB stickd; the same files copied in a different USB stick would give no problem...</SPAN><BR /><SPAN>Is there any easy way to diagnose/reset the USB when the Port Enable bit resets to zero?</SPAN><BR /><SPAN>Any other hints?</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:15:06 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-USB-port-0-as-host-suddenly-disables/m-p/589919#M22007 lpcware 2016-06-15T19:15:06Z Re: LPC4357 USB port 0 as host suddenly disables https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-USB-port-0-as-host-suddenly-disables/m-p/589920#M22008 <HTML><HEAD></HEAD><BODY><SPAN>bump</SPAN></BODY></HTML> Sun, 19 Jun 2016 01:04:52 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC4357-USB-port-0-as-host-suddenly-disables/m-p/589920#M22008 lpcware 2016-06-19T01:04:52Z