void actuators_ardrone_set_pwm(uint16_t pwm0, uint16_t pwm1, uint16_t pwm2, uint16_t pwm3)
Write motor speed command cmd = 001aaaaa aaaabbbb bbbbbccc ccccccdd ddddddd0.
void actuators_ardrone_set_leds(uint8_t led0, uint8_t led1, uint8_t led2, uint8_t led3)
Write LED command cmd = 011rrrr0 000gggg0 (this is ardrone1 format, we need ardrone2 format)