Ansluta-remote-replication

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Ansluta-remote-replication

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Attempt to replicate an Ikea Ansluta remote using Raspberry Pi, CC2500 and Java

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# Ansluta-remote-replication

Here is an attempt to replicate an Ikea Ansluta remote using a Raspberry Pi, a TI CC2500, Java, and Pi4J.

**Pull requests are welcome! :)**

## Hardware

There are at least two different versions of the Ikea Ansluta remote. This project is about the 2.4GHz one.

The original remote uses a [TI CC2500 2.4GHz RF controller](http://www.ti.com/lit/ds/swrs040c/swrs040c.pdf) to send its commands. I chose to use the same component. I bought this one (WLC24D): 
https://www.ebay.com/itm/2PCS-1-8-3-6V-CC2500-IC-Wireless-RF-2400MHZ-Transceiver-Module-SPI-ISM-Demo-Code/401239287968

**Note: This module does not have an onboard antenna. You will have to connect one to the antenna pin.**

I use the Raspberry Pi 3 model B.

### Wiring

Pi4J / Wiring Pi | Raspberry Pi 3 Model B | Texas Instruments CC2500 RF Transceiver 
---------------- | -----------------------|----------------------------------------
|| Pin 17: Power 3V3 | VCC 
12 | Pin 19: SPI0\_MOSI (GPIO10) | MOSI 
14 | Pin 23: SPI0\_SCLK (GPIO11) | SCLK 
13 | Pin 21: SPI0\_MISO (GPIO9) | MISO 
10 | Pin 24: SPI0\_CE0\_N (GPIO8) | CSN 
|| Pin 25: Ground | GND

See http://pinout.xyz/ & http://pi4j.com/pins/model-3b-rev1.html

### Pictures

![Raspberry with CC2500](https://raw.githubusercontent.com/mdeverdelhan/Ansluta-remote-replication/master/res/raspberry_with_cc2500.jpg)

![Raspberry wiring](https://raw.githubusercontent.com/mdeverdelhan/Ansluta-remote-replication/master/res/raspberry_wiring.jpg)

![CC2500 wiring](https://raw.githubusercontent.com/mdeverdelhan/Ansluta-remote-replication/master/res/cc2500_wiring.jpg)

## Software

The project is divided into 3 classes. The main class is [AnslutaRemote](src/main/java/eu/verdelhan/ansluta/AnslutaRemote.java). It has a `main()` so you can run it in order to get the address bytes of the remote you want to copy.

### Current state

For now, the program is designed to listen to a real Ansluta remote in order to print its address. Here is how to test it:

- Build the program using Maven: `mvn clean package`;
  - Copy the resulting Jar file on the Raspberry Pi;
  - On the Raspberry Pi, run `java -jar ./ansluta-remote.jar`;
  - During the listening phase, press the button of a real Ansluta remote;
  - The program detects a zero-length packet and returns the following exception:
```Packet received: 0 bytes
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
    at eu.verdelhan.ansluta.AnslutaRemote.readAddressBytes(AnslutaRemote.java:92)
    at eu.verdelhan.ansluta.AnslutaRemote.main(AnslutaRemote.java:242)
```

I will be very grateful to the one who will solve this issue. :)

## Resources

* https://github.com/NDBCK/Ansluta-Remote-Controller
  * https://github.com/doctor64/sensors-code
  * https://github.com/msloth/contiki-launchpad/commit/a951b28808d0eea5b8e069c0db9ff30271e9b6ba
  * https://github.com/RGassmann/rpiCC2500
  * https://github.com/yasiralijaved/Arduino-CC2500-Library
  * https://github.com/tlalexander/Arduino-CC2500-Library
  * https://github.com/RoXXoR/CC2500
  * https://github.com/Zohan/ArduinoCC2500Demo
  * https://github.com/alexer/cc2500-tools
  * https://www.youtube.com/watch?v=AGlIB6O0iOA

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