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TWR_K20D72M MQX Lite PE USB stack problem

Question asked by Marc Bunyard on Jun 19, 2013
Latest reply on Jun 20, 2013 by Monica Arvizu

I am working on the TWR_K20D72M using PE with MQX Lite and the USB_LDD, and it won't enumerate.  I have used the example in C:\Freescale\CW MCU v10.4\MCU\CodeWarrior_Examples\Processor_Expert\Kinetis\TWR-K20D72M\USB_MS_Device, and seems to set everything up correctly, but when the Host performs GetDeviceDescriptor, erroneous data in sent in response to the IN packet.  The example does not use MQX Lite, and when I run it as is, it works.


I can't find an example of MQX Lite with PE and USB for the K20.  Is there one?