Updated readme with compilation instructions

README.md

@@ -1,9 +1,16 @@
-# movesense_exercise
+# movesense_exercise
-
+
 Simple Movesense sensor app
 
 The functionalities:
- * Calculates 1s average of
+ * Calculates 1s average of sum vector from 3d acceleration data
-sum vector from 3d acceleration data 
  * Offers an API for subscribing the values
  * Blinks the LED every time it publishes
+
+Requires the Movesense SDK: https://bitbucket.org/suunto/movesense-device-lib/src/master/
+
+Compile inside the SDK:
+ 1. `mkdir excerciseBuild`
+ 2. `cd excerciseBuild`
+ 3. `cmake -G Ninja -DMOVESENSE_CORE_LIBRARY=../MovesenseCoreLib/ -DCMAKE_TOOLCHAIN_FILE=../MovesenseCoreLib/toolchain/gcc-nrf52.cmake PATH_TO_EXCERCISE_DIR`
+ 4. `ninja`