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asix-sigma: Comment on RLE decompression upon data retrieval 

Rephrase and shorten a comment on how RLE decompression works. Drop the
part of the comment which is not related to (de-)compression.
This commit is contained in:
Gerhard Sittig 2017-05-26 02:16:28 +02:00 committed by Uwe Hermann
parent 13262b48c1
commit 468f17f2d6
1 changed files with 3 additions and 9 deletions
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12
src/hardware/asix-sigma/protocol.c
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@ -857,15 +857,9 @@ static void sigma_decode_dram_cluster(struct sigma_dram_cluster *dram_cluster,
logic.data = samples; logic.data = samples;
/* /*
* First of all, send Sigrok a copy of the last sample from * If this cluster is not adjacent to the previously received
* previous cluster as many times as needed to make up for * cluster, then send the appropriate number of samples with the
* the differential characteristics of data we get from the * previous values to the sigrok session. This "decodes RLE".
* 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 .
*/ */
for (ts = 0; ts < tsdiff; ts++) { for (ts = 0; ts < tsdiff; ts++) {
i = ts % 1024; i = ts % 1024;