LPC MicrocontrollersのトピックLPC2378 USB CDC question https://community.nxp.com/t5/LPC-Microcontrollers/LPC2378-USB-CDC-question/m-p/552933#M14486 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by msangalli on Thu Feb 18 03:30:45 MST 2016</STRONG><BR /><SPAN>Hi, recently I've added a CDC support to a LPC2378 starting from keil demo sw</SPAN><BR /><SPAN>(compiled using rowley ide) On windows I've used usbser.sys driver .</SPAN><BR /><SPAN>Just after one minute or less USB communication blocks and never resumes.</SPAN><BR /><SPAN>I've observed SOF frames and NYET answer evey 1m but no other activity.</SPAN><BR /><SPAN>On LPC side I've detected a NAK (err=9) reading last error from SIE (0x11= PID error, EOP error)</SPAN><BR /><SPAN>Question: How I can recovery such situation without resetting the CPU?</SPAN><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Mario</SPAN><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 19:52:58 GMT lpcware 2016-06-15T19:52:58Z LPC2378 USB CDC question https://community.nxp.com/t5/LPC-Microcontrollers/LPC2378-USB-CDC-question/m-p/552933#M14486 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by msangalli on Thu Feb 18 03:30:45 MST 2016</STRONG><BR /><SPAN>Hi, recently I've added a CDC support to a LPC2378 starting from keil demo sw</SPAN><BR /><SPAN>(compiled using rowley ide) On windows I've used usbser.sys driver .</SPAN><BR /><SPAN>Just after one minute or less USB communication blocks and never resumes.</SPAN><BR /><SPAN>I've observed SOF frames and NYET answer evey 1m but no other activity.</SPAN><BR /><SPAN>On LPC side I've detected a NAK (err=9) reading last error from SIE (0x11= PID error, EOP error)</SPAN><BR /><SPAN>Question: How I can recovery such situation without resetting the CPU?</SPAN><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Mario</SPAN><BR /><BR /></BODY></HTML> Wed, 15 Jun 2016 19:52:58 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC2378-USB-CDC-question/m-p/552933#M14486 lpcware 2016-06-15T19:52:58Z