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trouble porting dev_cdc_vcom_lite example to MK22DN512

Question asked by PETER SCHUCK on Feb 9, 2017
Latest reply on Feb 14, 2017 by xiangjun.rong

I can't get the dev_cdc_vcom_lite example from twrk21d50m to work on our hardware with MK22DN512. I tried running the version for frdmk64f and it works OK. Using USB snooper I see (for our system):

whereas for frdmk64f I see:

 

the code is virtually identical but our system does not send device descriptor. Any ideas?

 

thanks

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