Generic Sensor Interface for OpenWSN Motes

Generic communication interface between the wireless board (mote) and the sensor board. 
Any kind of sensor board can be connected to the mote using this specification given 
it provides a SPI peripheral, one input pin with interrupt capability and one digital output. 
The sensor board must implement a special register set from which all required information can be retrieved.

Protocol: http://is.gd/wuQorh

Implementation running on mbed (FRDM-KL46Z): http://is.gd/SQvO8S