#define N_SERVO 6 void spi_servo_init(void); void spi_servo_set(uint8_t num, uint16_t val); uint16_t spi_servo_get(uint8_t num); void spi_servo_set_bypass(uint8_t enable); void spi_servo_set_ppm(uint8_t enable); uint8_t spi_servo_get_bypass(void); uint8_t spi_servo_get_ppm(void);