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Visitor II
July 24, 2019
Solved

ST25DV-DISCOVERY oscilloscope application code

  • July 24, 2019
  • 2 replies
  • 867 views

I watched a cool oscilloscope application running in the ST25DV-DISCOVERY motherboard (see link below). As I have one of this available with me, I'd like to try it out. Could you share with us the project code so we can have fun with it?

Thanks.

    This topic has been closed for replies.
    Best answer by Gladys Maister

    Hi Gabriel,

    Thanks for watching the ‘Stepper motor control over NFC’ video.

    The oscilloscope application running on ST25DV-Discovery is basically using STM32 IO interrupts to catch and measure the elapsed time between signal edges, in order to rebuild a digital trace on screen. It does not use any analog input capability to emulate a real oscilloscope. So this is not strictly speaking an oscilloscope.

    Purpose is to serve the video demonstration and show how the signal (PWM is a digital signal) looks and behaves when changing parameters.

    With best regards,

    2 replies

    Visitor II
    July 25, 2019

    Hi Gabriel,

    Thanks for watching the ‘Stepper motor control over NFC’ video.

    The oscilloscope application running on ST25DV-Discovery is basically using STM32 IO interrupts to catch and measure the elapsed time between signal edges, in order to rebuild a digital trace on screen. It does not use any analog input capability to emulate a real oscilloscope. So this is not strictly speaking an oscilloscope.

    Purpose is to serve the video demonstration and show how the signal (PWM is a digital signal) looks and behaves when changing parameters.

    With best regards,

    Visitor II
    July 26, 2019

    Hi Gladys,

    thanks for your feedback about the project.