How to apply FIR / IIR Filter in GPIO_ISR Routine?

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

How to apply FIR / IIR Filter in GPIO_ISR Routine?

584 Views
chennai2chn
Contributor I

GPIO Interrupt using for optocoupler in PORTE PIN2... This port don't have a digital filter in Hardware.... how  to apply software (FIR or IIR) filter...

Please Help me....

Advance Thanks

Tags (1)
0 Kudos
1 Reply

515 Views
Hui_Ma
NXP TechSupport
NXP TechSupport

Hi,

I would recommend to download MCUXpresso SDK software package.

The SDK software package includes CMSIS DSP library, which provides FIR example with below path:

..\SDK_2.5.0_FRDM-K66F\CMSIS\DSP_Lib\Examples\ARM

Wish it helps.


Have a great day,
Mike

-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!

- We are following threads for 7 weeks after the last post, later replies are ignored
Please open a new thread and refer to the closed one, if you have a related question at a later point in time.
-------------------------------------------------------------------------------

0 Kudos