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I have an early nanovna, I think - no shields and no silkscreen for Ch0. Trying to send back, as no S21 measurement, just noise. I tried updating firmware, using the STM app. When choosing dfu file, I immediately got message "incorrect file format", even before uploading to unit.. Should all dfu files be compatible with all nanovnas and the version of STM boot-loader that everyone seems to be using? Thank you.
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Ken,
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There are 3 file types that can be generated when new firmware is created: bin, hex & S19 The 'Windows DFU File' manager is used to convert from one format to another and produce the dfu file from any one of the 3 types above. The manager is installed when you install the DefuSe uility. If the DefuSe utility is telling you that you've got the wrong file format, it's not dfu or it's a corrupted dfu file. Grab the release zip from github and pull out and convert the bin to a dfu and you should be good to go. ...Larry On Tuesday, October 8, 2019, 11:09:35 a.m. GMT-4, Ken Bozarth <kwbozarth@...> wrote:
I have an early nanovna, I think - no shields and no silkscreen for Ch0. Trying to send back, as no S21 measurement, just noise. I tried updating firmware, using the STM app. When choosing dfu file, I immediately got message "incorrect file format", even before uploading to unit.. Should all dfu files be compatible with all nanovnas and the version of STM boot-loader that everyone seems to be using? Thank you. |
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Perfectly normal to get that pop-up.
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On Tuesday, October 8, 2019, 11:55:26 a.m. GMT-4, techo@... <techo@...> wrote:
I get this, but it seems to work OK.... |
