Where to create a message?

Behnam Sh

Other Parts Discussed in Thread: CC2538

I'm trying to write my own application code on CC2538. when I tried to create a Message for keyboard interrupt found below routine in sample applications (samplelight for example)

interrupt_keybd() -> hal_key_int_keys() -> hal_keyCback_t -> OnboardkeyCallback() -> Onboard_sendkey ()

I need to know if I understood the way right or not? why the way is complex like this? Can I create the message directly in my interrupt callback function?

Thanks

Behnam

over 11 years ago

YiKai Chen over 11 years ago

Guru 735695 points

Yes, your understanding is correct. This is not complicated. It is a general software architecture and I would suggest you not to create message directly in interrupt.

Behnam Sh over 11 years ago in reply to YiKai Chen

Intellectual 675 points

Thank you YK Chen

You mean I use exactly same functions used in samples?
Or define my own functions and create messages by calling them in interrupt?

YiKai Chen over 11 years ago in reply to Behnam Sh

Guru 735695 points

I mean you to use exactly the same functions in samples.

Behnam Sh over 11 years ago in reply to YiKai Chen

Intellectual 675 points

Can I ask for reason? why should not I define my own function like OnBoard_SendKey() and call it in interrupt callback?

YiKai Chen over 11 years ago in reply to Behnam Sh

Guru 735695 points

As I replied you in previous post, this is about SW architecture. When a key interrupt is received, OnBoard_KeyCallback() will be called and use OnBoard_SendKeys() to send KEY_CHANGE event to application layer. In this way, all of your different applications can share the same onBoard.c or hal_key.c. You only have to handle different KEY_CHANGE events in application so it will be easier for SW maintenance.

Behnam Sh over 11 years ago in reply to YiKai Chen

Intellectual 675 points

very good, thanks for your help YiKai

YiKai Chen over 11 years ago in reply to Behnam Sh

Guru 735695 points

You are welcome. By the way, please click on "Verify Answer" button to benefit others who have the same issue.

Behnam Sh over 11 years ago in reply to YiKai Chen

Intellectual 675 points

I can't find the button! it was here in previuse page loads but bot now!

YiKai Chen over 11 years ago in reply to Behnam Sh

Guru 735695 points

If you see it, please press it. If not, it doesn't matter.

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Where to create a message?