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    Interrupts in Arduino Due

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    • S
      SuperGops last edited by

      I require my Arduino Due to be able to plot a square wave with a predetermined duty cycle and time period, without the use of delay() or millis() or any such function that keeps the processor idle unnecessarily. Hence, I've decided to go for interrupts and found a lot of resources on implementing it on the Uno, but none for the Due.

      Can someone shed light on how I can set up an interrupt ( I guess two will be required here) from the inbuilt timers in the Due?

      salmanfaris rafitc99 2 Replies Last reply Reply Quote 1
      • salmanfaris
        salmanfaris @SuperGops last edited by

        Hi @SuperGops , All the digital pins of Arduino Due are capable of interrupts, and since you are using the Arduino framework everything is the same as Arduino Uno.

        Capture.PNG

        more resource:

        • Arduino attachInterrupt()
        • What is interrupts ? by @rafitc99
        S 1 Reply Last reply Reply Quote 0
        • S
          SuperGops @salmanfaris last edited by

          @salmanfaris Thanks! I'll definitely have a look at these!

          1 Reply Last reply Reply Quote 0
          • rafitc99
            rafitc99 @SuperGops last edited by

            @SuperGops You can use a Timer interrupts or run interrupts via watchdog timer.

            1 Reply Last reply Reply Quote 1
            • kowshik1729
              kowshik1729 last edited by

              @SuperGops When you want to create a PWM signal, why don't you just use

              analogWrite(dutycycle) 
              

              to just create your PWM? Is there any specific reason you are going for interrupts?

              1 Reply Last reply Reply Quote 0
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