typedef struct {	uint8_t gain_param;	uint8_t chan;	uint16_t rate;} ad7714params_t;void ad7714init();void ad7714setup(ad7714params_t new_params);uint8_t ad7714have_capture();uint32_t ad7714get_capture();uint8_t ad7714accum_count();uint32_t ad7714pull_average();uint8_t ad7714can_set_params();void ad7714set_buffer(uint8_t state);char *ad7714chan_name(uint8_t chan);double ad7714rate_to_hertz(uint16_t rate);uint16_t ad7714standard_rate(uint8_t idx);