const char *command, float *scpi_response);
SR_PRIV int sr_scpi_get_double(struct sr_serial_dev_inst *serial,
const char *command, double *scpi_response);
+SR_PRIV int sr_scpi_get_opc(struct sr_serial_dev_inst *serial);
SR_PRIV int sr_scpi_get_hw_id(struct sr_serial_dev_inst *serial,
struct sr_scpi_hw_info **scpi_reponse);
SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info);