/* set/get user strat speed */
void strat_set_speed(uint16_t d, uint16_t a);
void strat_get_speed(uint16_t *d, uint16_t *a);
+void strat_set_acc(double d, double a);
+void strat_get_acc(double *d, double *a);
/* when user type ctrl-c we can interrupt traj */
void interrupt_traj(void);