during increment the value jump in embedded c

[bagavathi]

Hi friends,

I am using LPC 2478 microcontroller. i connect pushbutton switch in the IO pin and which is assigned as input. for every press the value of the variable is incremented i wrrote the program like that. it works but sometime the value got jump.
for ex : incremented 8 ot 10 . 9 is missing . can any one rectify the problem.

 

[nick703]

i don't think saw please post some code here bro!!! is that any debounce of switch problem ?

 

[alexan_e]

Your problem is switch bounce, refer to

https://hackaday.com/2010/11/09/debounce-code-one-post-to-rule-them-all/