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MISTERY WORD #2
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@andibaciu I tried reversing the firmware with Ghidra, with limited success. However, I was able to understand from the binary that the following commands have a description in the firmware:
This info is from some kind of command line interface which exists in the firmware. However, I was not able to use it. It looks like the UART has been disabled, as well as most of the debug feature via SWD. So you were right: the mystery value is a temperature offset. Trying to understand the algorithm from the decompiled code was not possible for me. I was also suspecting it has to do with the dew point formula, but I wasn't able to understand the algorithms in the firmware and gave up. |
@fenderle , after some tests I stop using dewpoint formula and I use a formula for interpolation. Thanks for your research and for your confirmation about my supposition for MYSTERY_WORD! You can find last version of this plugin (prepared for integration in ESPEasy Project) on this link: https://github.com/letscontrolit/ESPEasy/tree/mega (plugin P167) |
Hello,
I made some assumptions about the MYSTERY WORD...
You have all the data and explanations in the attached xls file.
The data are exactly from your logs, for which I thank you once again @just-oblivious
All the best!
sen5x_logging_data.xlsx
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