USB Cdc file transfert integrity

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USB Cdc file transfert integrity

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PO220
Contributor IV

Hi

I'm using KDS 3.2 with KSDK v2 and a Freedom K64F.

My project works with FatFs, LwIP and stack USB class CDC VCOM

Today I transfer small files(<100kB) by ethernet on the SD card ; TCP / IP guarantees file integrity.

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?

Thank you in advance for your suggestions

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jingpan
NXP TechSupport
NXP TechSupport

Hi,

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.

Have I misunderstood what you mean?

Regards 

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