12F675F Coding help

[crhannah]

Project:

This project will be very similar to the smart home automation line. We will have a tx/microcontroller at the remote end and rx/microcontroller on the other end. The other end being a 110v module (reciever/mc built in) that will allow the user to plug in a lighting fixture to be controlled. We will have 2 unique modules.

Remote:
- will allow the user to select device1 or device2 inorder to turn on/off or dim
- 4 buttons (device 1, device 2 , on, off) and 1 pot to controll brightness level

A couple things i need help with since I'm not a big programmer but have read many sample source codes in the past few weeks trying to figure out how to do this.

I need to be able to clock out a couple different bit packages. When the user selects device 1 from the remote control and a function (ie: on/off, dim+, dim-) the transmitter needs to send an id code along with a function code. The id code is used to determine which device the user wants to talk to and the function code to perfom.

In return i need to figure out how to write the code that will have the reciever end constantly listening for its unique idcode.

questions:
transmitter mc : how do i create an id code upon user entry of buttons?

reciever mc: how do i constantly listen for the id code?

 

[Nigel Goodwin]

I suggest you check my tutorials, both the IR and Wireless ones do what you want - they require VERY little change for the 12F675, as it's the same 14 bit core.