Hello Sigrok developers,
I want to analyze a Smart Battery communication, but found no decoders
for my use case.
If I understand correctly, this would need a System Management Bus
decoder as well as an decoder for the Smart Battery System.
I am willing to try writing decoders, but I have a question to make sure
that my contribution will be useful:
SMBus is based on the I2C protocol, roughly with timeouts and
differences in acknowledgements. Should a SMBus decoder work on logic
signals or stack on top of the existing i2c decoder?
I suspect that for full support of the timeouts the decoder should work
with logic input (also like indicated in the wiki page about (planned)
decoders). On the other hand, using the existing i2c architecture allows
code reusing, not only of the main i2c decoder, but also the filter and
demuxer to filter/separate communication streams.
Best regards,
Raphael
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