The motion service exposes step count and raw X/Y/Z motion value as READ and NOTIFY characteristics.
The service UUID is 00030000-78fc-48fe-8e23-433b3a1942d0
The current number of steps represented as a single uint32_t (4 bytes) value.
The current raw motion values. This is a 3 int16_t array:
- [0] : X
- [1] : Y
- [2] : Z
The three motion values are in units of "binary milli-g", where 1g is represented by a value of 1024.