Ensure all data is set.

Ensure all data is set.

Ensure all data is set.

before it didn't integrate IMU values and HIGHRES_IMU was using the filtered values

This make the variable purpose more clear.

silence to 0 when the end of the string is reached

of the tune to repeat it

- Start tone_alrm driver after uorb
- Replace tone_alarm $TUNE_ERR with tune_control play -m ${TUNE_ERR}
- TUNE_ERR is a string

untested on real hardware

return -EINVAL

Now it is possible to set a string and a control.
The get_next_tune function use the same return values as the erliaer
implemented parse_cmd and parse_string functions.

minor changes