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I did have a version for the F4 in development, but it turned out the F4's are not fast enough to do the step calculations to fill the DMA buffer. The STMs don't have a GPIO toggle bit like the RT1052 so the full step pattern had to be filled into the buffer, not just the rising and falling edges.

I would look carefully at page 20 especially the settings for P07.08

Hi,
I looked for a way to reset the VFD at the link below, but I couldn't find it. Thank you so much for your help.
Milko


share.google/KEIbyk4YFMFFaMgyR

MaHa wrote:

After another update one error solved, and next error occured. I modified ini settings, moved css entry  and dro_font_size to [flexgui], but my ui and the examples are not starting:

Traceback (most recent call last):
  File "/usr/bin/flexgui", line 341, in <module>
    window = flexgui()
             ^^^^^^^^^
  File "/usr/bin/flexgui", line 245, in __init__
    startup.setup_plot(self)
  File "/usr/lib/python3/dist-packages/libflexgui/startup.py", line 2169, in setup_plot
    dro_font = self.inifile.find('FLEXGUI', 'DRO_FONT_SIZE') or '12'
               ^^^^
NameError: name 'self' is not defined

 

 

Sorry about the copy and paste error, I've fixed that. And thanks for posting the complete error it makes it easy to fix.

JT