topic Re: USB Cdc file transfert integrity in Kinetis Software Development Kit https://community.nxp.com/t5/Kinetis-Software-Development-Kit/USB-Cdc-file-transfert-integrity/m-p/666674#M7320 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Its sounds to me like you need to transfer files from PC to SD card through USB. Then you device should be a USB Mass storage device. So maybe the example usb_device_composite_cdc_msc_sdcard/freertos is meet your demand. You can find it in SDK.</P><P>Have I misunderstood what you mean?</P><P></P><P>Regards&nbsp;</P></BODY></HTML> Mon, 17 Jul 2017 05:38:46 GMT jingpan 2017-07-17T05:38:46Z USB Cdc file transfert integrity https://community.nxp.com/t5/Kinetis-Software-Development-Kit/USB-Cdc-file-transfert-integrity/m-p/666673#M7319 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>I'm using KDS 3.2 with KSDK v2 and a Freedom K64F.</P><P><SPAN class="" lang="en"><SPAN class="">My project works with FatFs, LwIP and stack USB class CDC VCOM</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class=""></SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="">Today I transfer small files(&lt;100kB) by ethernet on the SD card ; TCP / IP guarantees file integrity.<BR /></SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="">I need to transfer the same files from a pc to the freedomK64 SD : What tool or protocol can I use with USB to ensure the integrity of the transferred files? Are the lwip tools (TCP / IP layer) usable for example?<BR /></SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class=""></SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="">Thank you in advance for your suggestions</SPAN></SPAN></P><P><SPAN class="" lang="en"></SPAN></P></BODY></HTML> Wed, 12 Jul 2017 13:31:18 GMT https://community.nxp.com/t5/Kinetis-Software-Development-Kit/USB-Cdc-file-transfert-integrity/m-p/666673#M7319 PO220 2017-07-12T13:31:18Z Re: USB Cdc file transfert integrity https://community.nxp.com/t5/Kinetis-Software-Development-Kit/USB-Cdc-file-transfert-integrity/m-p/666674#M7320 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>Its sounds to me like you need to transfer files from PC to SD card through USB. Then you device should be a USB Mass storage device. So maybe the example usb_device_composite_cdc_msc_sdcard/freertos is meet your demand. You can find it in SDK.</P><P>Have I misunderstood what you mean?</P><P></P><P>Regards&nbsp;</P></BODY></HTML> Mon, 17 Jul 2017 05:38:46 GMT https://community.nxp.com/t5/Kinetis-Software-Development-Kit/USB-Cdc-file-transfert-integrity/m-p/666674#M7320 jingpan 2017-07-17T05:38:46Z