i.MX RT Crossover MCUsのトピックRe: USB recognition error on uClinux https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007463#M6306 <HTML><HEAD></HEAD><BODY><P>Hi. Victor....</P><P>A Linux (uClinux) Board Support Package is running fine.</P><P><span class="lia-inline-image-display-wrapper" image-alt="booting_picture.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/103921i7026937B1701A123/image-size/large?v=v2&amp;px=999" role="button" title="booting_picture.png" alt="booting_picture.png" /></span></P><P>If you look at the log above, boot is working fine.</P><P></P><P>Regards,<BR />Shon.</P></BODY></HTML> Fri, 27 Mar 2020 05:13:58 GMT minkyu_shon 2020-03-27T05:13:58Z USB recognition error on uClinux https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007461#M6304 <HTML><HEAD></HEAD><BODY><P>Hi.</P><P>i.MXRT 1060-EVK based board is under review.</P><P>&nbsp;With the following :&nbsp;</P><P><IMG /><span class="lia-inline-image-display-wrapper" image-alt="USB_waveform.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/98710iE254561B28758E98/image-size/large?v=v2&amp;px=999" role="button" title="USB_waveform.png" alt="USB_waveform.png" /></span><IMG class="j-img-floatstart j-img-original" style="float: left;" /></P><P>There are cases when USB is recognized and not. There is a difference in the D+ waveform,</P><P>but I want to know the reason for the other part....</P><P>The circuit is as follows.</P><P><IMG /><span class="lia-inline-image-display-wrapper" image-alt="USB_Circuit.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/99192i6EB811C0619C5D55/image-size/large?v=v2&amp;px=999" role="button" title="USB_Circuit.png" alt="USB_Circuit.png" /></span><IMG /></P><P>I'd like you to tell me if there is a problem...</P><P>Thanks.....</P></BODY></HTML> Tue, 24 Mar 2020 06:02:56 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007461#M6304 minkyu_shon 2020-03-24T06:02:56Z Re: USB recognition error on uClinux https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007462#M6305 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;SON MINKYU,&nbsp;</P><P></P><P>The circuit looks fine. Are you running a Linux (uClinux) Board Support package on your board?&nbsp;</P><P></P><P>Regards,&nbsp;</P><P>Victor&nbsp;</P></BODY></HTML> Thu, 26 Mar 2020 19:06:41 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007462#M6305 victorjimenez 2020-03-26T19:06:41Z Re: USB recognition error on uClinux https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007463#M6306 <HTML><HEAD></HEAD><BODY><P>Hi. Victor....</P><P>A Linux (uClinux) Board Support Package is running fine.</P><P><span class="lia-inline-image-display-wrapper" image-alt="booting_picture.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/103921i7026937B1701A123/image-size/large?v=v2&amp;px=999" role="button" title="booting_picture.png" alt="booting_picture.png" /></span></P><P>If you look at the log above, boot is working fine.</P><P></P><P>Regards,<BR />Shon.</P></BODY></HTML> Fri, 27 Mar 2020 05:13:58 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007463#M6306 minkyu_shon 2020-03-27T05:13:58Z Re: USB recognition error on uClinux https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007464#M6307 <HTML><HEAD></HEAD><BODY><P>Hi Shon,&nbsp;</P><P></P><P>Unfortunately, this board support package is from a third-party provider. I recommend contacting their support line, as they will be able to provide correct information.</P><P></P><DIV>If you would like to try our examples please download the SDK. There are several USB examples that can get you started.&nbsp;</DIV><DIV></DIV><DIV>Best Regards,&nbsp;</DIV><DIV>Victor&nbsp;</DIV></BODY></HTML> Fri, 27 Mar 2020 23:25:54 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/USB-recognition-error-on-uClinux/m-p/1007464#M6307 victorjimenez 2020-03-27T23:25:54Z