STM32 Oscilloscope
From ScienceZero
Contents
- 1 Features
- 1.1 Vertical (voltage)
- 1.2 Horizontal (Time)
- 1.3 Trigger
- 1.4 Save wave snapshot to picture
- 1.5 Save wave frames for movie
- 1.6 Save wave data to file
- 1.7 Save non interrupted wave data to file
- 1.8 Display roll mode (continuous scrolling)
- 1.9 FFT view
- 1.10 spectrum view
- 1.11 Dynamically labelled grid
- 1.12 Auto Scale
- 1.13 Markers
- 1.14 Metered values
- 1.15 Pause and scroll back
- 1.16 Protocol decoding
- 1.17 DSP
- 2 Coding
- 3 Advanced features for the future
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
- Duty
Pause and scroll back
Protocol decoding
- RS232
- TTL RS232
- IR remotes
DSP
- Pre-scale before process
- Add channels
- Subtract channels
- Multiply channels
- AM demod
- FM demod
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
