STM32 Oscilloscope

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Revision as of 18:23, 9 May 2010 by Avi (Talk | contribs) (Display roll mode (continuous scrolling))

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Features

Vertical (voltage)

Horizontal (Time)

Trigger

  • Voltage level trigger
  • Trigger on rising / falling edge
  • Single trigger / force trigger / trigger continiously
  • Auto detect and track trigger level
  • External trigger
  • Pretrigger (sample continiously then stop n samples after the trigger)
  • Filtered trigger (low frequency / high frequency / number of pulses)
  • Video trigger
  • RS-232 trigger

Save wave snapshot to picture

Save wave frames for movie

Save wave data to file

Save non interrupted wave data to file

Display roll mode (continuous scrolling)

  • BPM mode for heart rate monitoring
  • wide range of scroll rates
  • dynamically zoom in to check on activity of extremely slow rates

FFT view

spectrum view

Dynamically labelled grid

Auto Scale

  • Voltage
  • Period

Markers

  • Voltage
  • t1
  • t2
  • delta t
  • frequency

Metered values

  • Voltage
  • True RMS
  • Average
  • Peak
  • Peak to peak
  • Frequency

Pause and scroll back

Coding

Protocol

One byte each:
C SS DDD...
C = Code
S = Size
D = Data

Commands --> STM32

  • 0 0 4 DDDD - Set sample rate in Hz
  • 1 0 5 D DDDD - Trigger mode & voltage

Advanced features for the future