frdm-kl43 usb cdc vcom example

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frdm-kl43 usb cdc vcom example

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Contributor IV

Hi!

I've tryed to launch frdm-kl43 cdc vcom example and failed.

It looks like enumeration went ok COM17 appeared in the device management window:

138882_138882.jpgVCOM.jpg

But i can't get any echoed message from it:

138883_138883.jpgterminal.jpg

(income messages would be black colored, violets are output messages)

 

according to readme file i've set:

 

static bool start_transactions = TRUE;

 

I must have done something wrong. Help me please.

example imported from KSDK v1.3 and i'am using KDS 3.0.0

 

Best regards,

Alexey.

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NXP Employee
NXP Employee

Hello Alexey,

please do you have the same results in Tera Term?

Thank you,

Best Regards,

Iva

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Contributor IV

Hi Iva,

Thanks for fast response!

Tera Term1.jpg

Tera Term2.jpg

I dont use Teraterm so can't undertand the result. When I've typed 1234 the cursor came back and did not go to new line.

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NXP Employee
NXP Employee

Hello Alexey,

I agree with Konstantin.

Please try to set Termite:

RTS.png

Please let me know, if it works you now.

Thank you.

Best Regards,

Iva

10 Views
Contributor IV

Well!

termite.jpg

It worked! Werid that hercules has rts/cts controll too and failed on it.

I thought that

static bool start_transactions = TRUE;

would desable rts/cts control. How can it be desabled?

Thanks for responses! It helped me a lot and now I cant try to modify basic application for my usage.

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Contributor III

Hi,Alexey.

Set the Flow Control from "none" to "RTS/CTS".

USB Device CDC on KSDK PEx components and KDS 3.0 and KSDK 1.2.0 or KSDK 1.3.0 .