htos_motor_move_completed
htos_update_motor_position
htos_motor_move_started
htos_motor_correct_started
htos_get_encoder_completed
htos_set_encoder_completed
htos_operation_completed
htos_operation_update
htos_start_operation
htos_report_ion_chambers
htos_report_shutter_state
htos_configure_device
htos_send_configuration
htos_limit_hit
htos_simulating_device
htos_set_string_completed
htos_note
htos_log