This would also be great for plotting decoded I2S audio / thermometer measurements over I2C, etc. side-by-side with the digital version.
On Thu, Aug 25, 2022 at 9:41 PM Ivan Wick wrote: > As far as I know, the protocol decoders cannot output synthetic samples to > be plotted as another channel on the timeline. OUTPUT_BINARY is not for > that purpose either, raw binary output is not shown on the timeline. > > But with OUTPUT_ANN, you can have multiple output annotation rows. For > your example, you could emit high/low annotations for separate rows > representing bit1, bit2, bit3 and bit4. They will be shown on the timeline > in the sample range you specify. It won't look exactly like a logic level > trace, but it is a way to split your calculated values back out to separate > bits. > > https://sigrok.org/wiki/Protocol_decoder_HOWTO#annotations_&_annotation_rows > > Can you get what you need with separate annotation rows? > > On Thu, Aug 25, 2022 at 12:24 AM Helge Kruse <helge.kr...@gmx.net> wrote: > >> I have already written some decoders stacked on UART and I2C decdoers. >> The usual use case is to detect high level framing and add textual >> annotations with the detected information. Now I need a non-textual >> display. >> >> One of the detected information is a channel mask for 4 channels. I want >> to add 4 lines to the output that looks like the input signals. So the >> (calculated) values 0, 9, 6 should be displayed like this: >> >> 0 9 6 >> ____----____ >> ________---- >> ________---- >> ____----____ >> >> This would look like new, software generated, signals. Does the >> libsigrokdecode library support this functionality? Is the binary output >> design for this use case? How should I start? >> >> Best regards, >> Helge >> >> >> _______________________________________________ >> sigrok-devel mailing list >> sigrok-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/sigrok-devel >> > _______________________________________________ > sigrok-devel mailing list > sigrok-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/sigrok-devel >
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