I'm wiling to write the Arduino code required to replace the expensive and illegal (in Europe) 900MHz XBee telemetry modules with the un-expensive and legal HopeRF RFM22B modules.
But for that to happen I need some help :(
I could not find the XBee initialization and interface routines in the APM 2.0 source code.
Can someone tell me in what file should I look ?
Once I get it to run I will share my code, but I need a hand from you guys now.
How is this going? Any progress on Arduino code?
I'm working on a Arduino based RF module that uses the RFM22B (433, 868 or 915)
There are lots of possibilities for this module, but one use would be to use it as a generic wireless UART link, that could be a replacement for XBee modules. I am planning on also writing code for a wireless UART link, but if you have made any progress, there is no point in duplicating your work.
I don't know if you have looked at the 868 MHz band in detail but there is an issue with using that here in the UK & EU, there is a limit to the time they can operate, it's known as the "Duty cycle", another member and I spent a lot of time looking into the 868 Xbee's about a year back now and hit this issue. There were many options for working around the "Duty cycle" however none were legal!
You can read the information here if you wouuld like to follow up on it.