*/
if (ret == SR_OK) {
devc->cur_samplerate = samplerate;
- devc->period_ps = 1000000000000ULL / samplerate;
devc->samples_per_event = 16 / devc->num_channels;
devc->state.state = SIGMA_IDLE;
}
logic.data = samples;
/*
- * First of all, send Sigrok a copy of the last sample from
- * previous cluster as many times as needed to make up for
- * the differential characteristics of data we get from the
- * Sigma. Sigrok needs one sample of data per period.
- *
- * One DRAM cluster contains a timestamp and seven samples,
- * the units of timestamp are "devc->period_ps" , the first
- * sample in the cluster happens at the time of the timestamp
- * and the remaining samples happen at timestamp +1...+6 .
+ * If this cluster is not adjacent to the previously received
+ * cluster, then send the appropriate number of samples with the
+ * previous values to the sigrok session. This "decodes RLE".
*/
for (ts = 0; ts < tsdiff; ts++) {
i = ts % 1024;
while (dl_lines_total > dl_lines_done) {
/* We can download only up-to 32 DRAM lines in one go! */
- dl_lines_curr = MIN(chunks_per_read, dl_lines_total);
+ dl_lines_curr = MIN(chunks_per_read, dl_lines_total - dl_lines_done);
bufsz = sigma_read_dram(dl_lines_done, dl_lines_curr,
(uint8_t *)dram_line, devc);