- sr_dbg("Sending SR_DF_HEADER.");
- packet.type = SR_DF_HEADER;
- packet.payload = (uint8_t *)&header;
- header.feed_version = 1;
- sr_session_send(devc->cb_data, &packet);
-
- /* Send metadata about the SR_DF_ANALOG packets to come. */
- packet.type = SR_DF_META_ANALOG;
- packet.payload = &meta;
- meta.num_probes = 1;
- sr_session_send(devc->cb_data, &packet);
-
- pfd = libusb_get_pollfds(NULL);
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ pfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);