int (*send)(void *priv, const char *command);
int (*read_begin)(void *priv);
int (*read_data)(void *priv, char *buf, int maxlen);
+ int (*write_data)(void *priv, char *buf, int len);
int (*read_complete)(void *priv);
int (*close)(struct sr_scpi_dev_inst *scpi);
void (*free)(void *priv);
const char *format, va_list args);
SR_PRIV int sr_scpi_read_begin(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_read_data(struct sr_scpi_dev_inst *scpi, char *buf, int maxlen);
+SR_PRIV int sr_scpi_write_data(struct sr_scpi_dev_inst *scpi, char *buf, int len);
SR_PRIV int sr_scpi_read_complete(struct sr_scpi_dev_inst *scpi);
SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi);
SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi);