17XX as USB device, enumerating as two CDC

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17XX as USB device, enumerating as two CDC

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by Polux rsv on Fri Jan 06 15:00:01 MST 2012
I need to connect a LPC1769, or a LPC1343, to a PC through USB (to avoid external power supply).
The LPC should enumerates as two CDC (com ports). I found some post related to composite devices, but none for multiple CDC.
Is it possible, and how to do it ? Some source code examples?

Thanks

Angelo
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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by gbm on Sat Jan 07 02:10:30 MST 2012
The composite device sample shows you how to define a composite device and how to define a CDC device within it. What else do you need to define a composite device with 2 or 3 CDC devices? Think creative... ;) Just copy the endpoint service routines and make them handle the second CDC device.
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