trouble porting dev_cdc_vcom_lite example to MK22DN512

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trouble porting dev_cdc_vcom_lite example to MK22DN512

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audio_guy
Contributor III

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):

176039_176039.pngpastedImage_1.png

whereas for frdmk64f I see:

176040_176040.pngpastedImage_2.png

 

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

 

thanks

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xiangjun_rong
NXP TechSupport
NXP TechSupport

Hi,

i think you can download the SDK package absed on MK22, in this way, you do not need to port code from K64 to K22.

you can download sdk2.0 based on MK22 from the website:

http://www.nxp.com/ksdk

Hope it can help you

BR

Xiangjun Rong

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