Kinetis Microcontrollers中的主题 Re: PEx USB CDC Device problem?

PEx USB CDC Device problem?

kenansun — Mon, 12 May 2014 09:45:57 GMT

Hi,

I've got a strange problem using the FSL_USB_Stack component of PEx for my Frdm-k20d50m board.

The problem is that in the sub-component FSL_USB_CDC_Device, it shows,

Do you know why I got this problem? Please help me!

Many thanks!

Re: PEx USB CDC Device problem?

BlackNight — Mon, 12 May 2014 15:01:11 GMT

I assume you are using MCU10.6?

So yes, there is a bug in that Processor Expert.

You have two options:

a) Either enter exactly the number of characters requested, like

FSL HID Keyboard123

FREESCALE INC.12345678901234

b) Download and use the the latest version of the components from GitHub (I have implemented a workaround) (mcuoneclipse/PEupd at master · GitHub)

I hope this helps,

Erich

Re: PEx USB CDC Device problem?

kenansun — Mon, 12 May 2014 21:06:24 GMT

Hi Erich,

Thanks for your answer!

Yes I'm using MCU10.6 and your second solution solves this problem.

I also tried to change the two values (like add some characters) but it seems that PEx doesn't accept any modification. I'm not sure if it is another bug.

Regards,

Kenan