How to create single Button with multiple condition based on the period of the button press?

[inghowe83]

Hi There,

HW: PCA10056

SW: nRF5_SDK_15.2.0_9412b96

Test source code: ble_app_blinky

How can I create single Button with multiple condition based on the period of the button press?

Here is the conditions:

1) press button and release without hold - do condition 1

2) press button and hold for 5 sec and release - do condition 2

3) press button and hold for 10 sec - do condition 3

Using timer for handle the different condition wasn't the best choice for me as it will have de-bouncing issue, where I can release the button halfway and press it back. 

Thanks!

[Simon]

The approach I would go for is to use the Button handling library (app_button.c/h) which can detect both a button release and button push, and handles debouncing as well. In order to measure time of a button press, I would use the Timer library (app_timer.c/h). Which uses the low frequency RTC, and is sufficient for your needs.

The way I would go about measuring the time, is to create a timestamp on button push and button release, and then calculate the difference. Take a look at this and this link for inspiration.

Best regards,

Simon