+ Creates a new driver for the LIS2DH accelerometer
+ Fixes timing issues since we're already touching a chunk of code
The LIS2DH driver should output similar numbers to the old MMA accelerometer.
Fixes#202Fixes#189
Settings menu works
Movement working & TMP calibrated
Tip reading sensibily
Accuracy seems ok
Trimmed down overshoot by biasing integral
Saving to flash working, detailed idle
Sleep mode
Description scrolls
Building for DFU working
Motion detection update
Use manual alg instead, using highpass filter, then sum current change vs rolling average
Re-shuffle the pwm code organisation