4.2.5.2.2 Working Flow
State machine:
- APP_PXPR_STATE_IDLE: The application remains in idle mode.
- APP_PXPR_STATE_ADV: The application is waiting for a connection without bond within timeout_adv seconds duration.
- APP_PXPR_STATE_BOND_ADV: The application is waiting for a reconnection with bond within timeout_with_bond_adv seconds duration.
- APP_PXPR_STATE_CONN: The
application is prepared to respond to proximity monitor role.
