- ctx->header = malloc(512);
- num_probes = g_slist_length(o->device->probes);
- samplerate = *((uint64_t *) o->device->plugin->get_device_info(o->device->plugin_index, DI_CUR_SAMPLERATE));
- snprintf(ctx->header, 512, "Acquisition with %d/%d probes at ", ctx->num_enabled_probes, num_probes);
- if(samplerate >= GHZ(1))
- snprintf(ctx->header + strlen(ctx->header), 512, "%"PRIu64" GHz", samplerate / 1000000000);
- else if(samplerate >= MHZ(1))
- snprintf(ctx->header + strlen(ctx->header), 512, "%"PRIu64" MHz", samplerate / 1000000);
- else if(samplerate >= KHZ(1))
- snprintf(ctx->header + strlen(ctx->header), 512, "%"PRIu64" KHz", samplerate / 1000);
- else
- snprintf(ctx->header + strlen(ctx->header), 512, "%"PRIu64" Hz", samplerate);
- snprintf(ctx->header + strlen(ctx->header), 512, "\n");
-
- ctx->linebuf_len = ctx->samples_per_line * 2;
- ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len);
- ctx->linevalues = calloc(1, num_probes);
-
- return 0;
-}