12 void begin(uint32_t b, uint16_t rxS, uint16_t txS);
16 int _write_fd(
const uint8_t *buf, uint16_t n);
17 int _read_fd(uint8_t *buf, uint16_t n);
void begin(uint32_t b, uint16_t rxS, uint16_t txS)
AP_HAL::OwnPtr< AP_HAL::SPIDevice > _dev
uint32_t _last_update_timestamp
int _read_fd(uint8_t *buf, uint16_t n)
int _write_fd(const uint8_t *buf, uint16_t n)