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    Interrupts in Arduino Due

    Arduino
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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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              • After reinstalling the portenta board file and restarting the computer, solved the problem.

                01fe285c-50ff-4f9a-9a9a-46e2f3b0c555-image.png

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              • Trying to run blink on portenta but getting the error?

                db930ad2-3abc-4e6b-8784-25c9f1399016-image.png

                error message:

                Arduino: 1.8.13 (Windows 10), Board: "Arduino Portenta H7 (M7 core)" C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Faris\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Faris\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Faris\Documents\Arduino\libraries -fqbn=arduino:mbed:envie_m7 -vid-pid=2341_025B -ide-version=10813 -build-path C:\Users\Faris\AppData\Local\Temp\arduino_build_650727 -warnings=none -build-cache C:\Users\Faris\AppData\Local\Temp\arduino_cache_409352 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arm-none-eabi-gcc.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.arm-none-eabi-gcc-7-2017q4.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.bossac.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.bossac-1.9.1-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.openocd.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.openocd-0.10.0-arduino13.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.dfu-util.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -prefs=runtime.tools.dfu-util-0.9.0-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -verbose C:\Users\Faris\AppData\Local\Temp\arduino_modified_sketch_49117\Blink.ino C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\Faris\AppData\Local\Arduino15\packages -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\Faris\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Faris\Documents\Arduino\libraries -fqbn=arduino:mbed:envie_m7 -vid-pid=2341_025B -ide-version=10813 -build-path C:\Users\Faris\AppData\Local\Temp\arduino_build_650727 -warnings=none -build-cache C:\Users\Faris\AppData\Local\Temp\arduino_cache_409352 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arm-none-eabi-gcc.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.arm-none-eabi-gcc-7-2017q4.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4 -prefs=runtime.tools.bossac.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.bossac-1.9.1-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\bossac\1.9.1-arduino2 -prefs=runtime.tools.openocd.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.openocd-0.10.0-arduino13.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino13 -prefs=runtime.tools.dfu-util.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -prefs=runtime.tools.dfu-util-0.9.0-arduino2.path=C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2 -verbose C:\Users\Faris\AppData\Local\Temp\arduino_modified_sketch_49117\Blink.ino Using board 'envie_m7' from platform in folder: C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\hardware\mbed\1.3.1 Using core 'arduino' from platform in folder: C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\hardware\mbed\1.3.1 Detecting libraries used... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g -Os -nostdlib "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/defines.txt" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/cxxflags.txt" -mcpu=cortex-m7 -mfloat-abi=softfp -mfpu=fpv5-d16 -w -x c++ -E -CC -DARDUINO=10813 -DARDUINO_PORTENTA_H7_M7 -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino/api/deprecated" "-iprefixC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/includes.txt" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp" -o nul -DARDUINO_LIB_DISCOVERY_PHASE Generating function prototypes... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g -Os -nostdlib "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/defines.txt" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/cxxflags.txt" -mcpu=cortex-m7 -mfloat-abi=softfp -mfpu=fpv5-d16 -w -x c++ -E -CC -DARDUINO=10813 -DARDUINO_PORTENTA_H7_M7 -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino/api/deprecated" "-iprefixC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/includes.txt" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp" -o "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\preproc\\ctags_target_for_gcc_minus_e.cpp" -DARDUINO_LIB_DISCOVERY_PHASE "C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\preproc\\ctags_target_for_gcc_minus_e.cpp" Compiling sketch... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g -Os -nostdlib "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/defines.txt" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/cxxflags.txt" -MMD -mcpu=cortex-m7 -mfloat-abi=softfp -mfpu=fpv5-d16 -DARDUINO=10813 -DARDUINO_PORTENTA_H7_M7 -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7" "-IC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino/api/deprecated" "-iprefixC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\cores\\arduino" "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/includes.txt" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp" -o "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp.o" Compiling libraries... Compiling core... Using previously compiled file: C:\Users\Faris\AppData\Local\Temp\arduino_build_650727\core\variant.cpp.o Using precompiled core: C:\Users\Faris\AppData\Local\Temp\arduino_cache_409352\core\core_arduino_mbed_envie_m7_e26c816eecbb9bfaaa432fd6b53eb31d.a Linking everything together... "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" "-LC:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727" -Wl,--gc-sections -w -Wl,--as-needed "@C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/ldflags.txt" "-TC:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/linker_script.ld" "-Wl,-Map,C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.map" --specs=nosys.specs -o "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\sketch\\Blink.ino.cpp.o" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727\\core\\variant.cpp.o" -Wl,--whole-archive "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/..\\arduino_cache_409352\\core\\core_arduino_mbed_envie_m7_e26c816eecbb9bfaaa432fd6b53eb31d.a" "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed\\1.3.1\\variants\\PORTENTA_H7_M7/libs/libmbed.a" -Wl,--no-whole-archive -Wl,--start-group -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys -Wl,--end-group "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-objcopy" -O binary "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.bin" "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-objcopy" -O ihex -R .eeprom "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.hex" "C:\\Users\\Faris\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-size" -A "C:\\Users\\Faris\\AppData\\Local\\Temp\\arduino_build_650727/Blink.ino.elf" Sketch uses 130248 bytes (16%) of program storage space. Maximum is 786432 bytes. Global variables use 57280 bytes (10%) of dynamic memory, leaving 466344 bytes for local variables. Maximum is 523624 bytes. Forcing reset using 1200bps open/close on port COM12 PORTS {COM12, } / {} => {} PORTS {} / {} => {} PORTS {} / {COM13, } => {COM13, } Found upload port: COM13 C:\Users\Faris\AppData\Local\Arduino15\packages\arduino\tools\dfu-util\0.9.0-arduino2/dfu-util --device 0x2341:0x035b -D C:\Users\Faris\AppData\Local\Temp\arduino_build_650727/Blink.ino.bin -a0 --dfuse-address=0x08040000:leave dfu-util 0.9 Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2020 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/ Invalid DFU suffix signature A valid DFU suffix will be required in a future dfu-util release!!! Cannot open DFU device 2341:035b Cannot open DFU device 2341:035b No DFU capable USB device available An error occurred while uploading the sketch

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                337f42fb-4020-487c-b34e-a7529c6f884b-image.png

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                adb3a569-1870-4258-91a7-75653da826c9-image.png

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                10c67a19-312b-41df-8497-94e8591d4b1d-image.png

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                • read more
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