OK, by the time I posted, you had already sent a second post.

Your first post is an "idea".

Your second post is an "outline", not quite a flowchart or pseudocode though.

So what's the problem?? Convert what you have into actual code. Get each part working, then put it together.

Are you just looking for encouragement??

"Go do it! What are you afraid of? You can't break the PIC by trying! You don't even have a question yet. Staring at that circuit won't make it work, DO SOMETHING!"

Sorry, military training flashback