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This repository was archived by the owner on Feb 4, 2023. It is now read-only.
/SAMDUE_PWMPublic archive

Commita5ac09f

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v1.0.0 for hardware-PWM on SAM_DUE boards
### Initial Releases v1.0.01. Initial coding to support **SAM_DUE**, etc. using [`Arduino SAM core`](https://github.com/arduino/ArduinoCore-sam)
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‎CONTRIBUTING.md‎

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##Contributing to SAMDUE_PWM
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###Reporting Bugs
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Please report bugs in SAMDUE_PWM if you find them.
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However, before reporting a bug please check through the following:
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*[Existing Open Issues](https://github.com/khoih-prog/SAMDUE_PWM/issues) - someone might have already encountered this.
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If you don't find anything, please[open a new issue](https://github.com/khoih-prog/SAMDUE_PWM/issues/new).
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###How to submit a bug report
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Please ensure to specify the following:
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* Arduino IDE version (e.g. 1.8.19) or Platform.io version
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*`SAMDUE` Core Version (e.g. Arduino SAMDUE_ core v1.6.12)
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* Contextual information (e.g. what you were trying to achieve)
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* Simplest possible steps to reproduce
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* Anything that might be relevant in your opinion, such as:
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* Operating system (Windows, Ubuntu, etc.) and the output of`uname -a`
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* Network configuration
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###Example
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```
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Arduino IDE version: 1.8.19
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Arduino SAMDUE Core Version 1.6.12
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OS: Ubuntu 20.04 LTS
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Linux xy-Inspiron-3593 5.4.0-100-generic #113-Ubuntu SMP Thu Feb 3 18:43:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
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Context:
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I encountered a crash while trying to use the Timer Interrupt.
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Steps to reproduce:
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1. ...
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2. ...
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3. ...
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4. ...
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```
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###Additional context
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Add any other context about the problem here.
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---
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###Sending Feature Requests
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Feel free to post feature requests. It's helpful if you can explain exactly why the feature would be useful.
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There are usually some outstanding feature requests in the[existing issues list](https://github.com/khoih-prog/SAMDUE_PWM/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement), feel free to add comments to them.
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---
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###Sending Pull Requests
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Pull Requests with changes and fixes are also welcome!
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Please use the`astyle` to reformat the updated library code as follows (demo for Ubuntu Linux)
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1. Change directory to the library GitHub
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```
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xy@xy-Inspiron-3593:~$ cd Arduino/xy/SAMDUE_PWM_GitHub/
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xy@xy-Inspiron-3593:~/Arduino/xy/SAMDUE_PWM_GitHub$
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```
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2. Issue astyle command
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```
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xy@xy-Inspiron-3593:~/Arduino/xy/SAMDUE_PWM_GitHub$ bash utils/restyle.sh
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```
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‎changelog.md‎

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#SAMDUE_PWM Library
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[![arduino-library-badge](https://www.ardu-badge.com/badge/SAMDUE_PWM.svg?)](https://www.ardu-badge.com/SAMDUE_PWM)
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[![GitHub release](https://img.shields.io/github/release/khoih-prog/SAMDUE_PWM.svg)](https://github.com/khoih-prog/SAMDUE_PWM/releases)
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[![GitHub](https://img.shields.io/github/license/mashape/apistatus.svg)](https://github.com/khoih-prog/SAMDUE_PWM/blob/master/LICENSE)
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[![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
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[![GitHub issues](https://img.shields.io/github/issues/khoih-prog/SAMDUE_PWM.svg)](http://github.com/khoih-prog/SAMDUE_PWM/issues)
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---
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---
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##Table of Contents
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*[Changelog](#changelog)
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*[Initial Releases v1.0.0](#Initial-Releases-v100)
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---
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---
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##Changelog
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###Initial Releases v1.0.0
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1. Initial coding to support**SAM_DUE**, etc. using[`Arduino SAM core`](https://github.com/arduino/ArduinoCore-sam)
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‎examples/PWM_Basic/PWM_Basic.ino‎

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/****************************************************************************************************************************
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PWM_Basic.ino
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For SAM_DUE boards using hardware-based PWM
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Written by Khoi Hoang
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Built by Khoi Hoang https://github.com/khoih-prog/SAMDUE_PWM
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Licensed under MIT license
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*****************************************************************************************************************************/
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#define_PWM_LOGLEVEL_4
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// Select false to use PWM
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#defineUSING_TIMERfalse//true
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#include"SAMDUE_PWM.h"
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// SAM_DUE:
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// PWM pins: 6, 7, 8, 9
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// Timer pins: 2-5, 10-13.
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// pin2: TC0_CHA0, pin3: TC2_CHA7, pin4: TC2_CHB6, pin5: TC2_CHA6
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// pin 10: TC2_CHB7, pin11: TC2_CHA8, pin12: TC2_CHB8, pin13: TC0_CHB0
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#if USING_TIMER
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#definepinToUse5
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#else
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#definepinToUse6
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#endif
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//creates pwm instance
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SAMDUE_PWM* PWM_Instance;
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float frequency =1000.0f;
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float dutyCycle =0.0f;
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voidsetup()
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{
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Serial.begin(115200);
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while (!Serial &&millis() <5000);
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delay(500);
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#if USING_TIMER
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Serial.print(F("\nStarting PWM_Basic using Timer on"));
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#else
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Serial.print(F("\nStarting PWM_Basic using PWM on"));
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#endif
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Serial.println(BOARD_NAME);
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Serial.println(SAMDUE_PWM_VERSION);
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//assigns PWM frequency of 1.0 KHz and a duty cycle of 0%
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PWM_Instance =newSAMDUE_PWM(pinToUse, frequency, dutyCycle);
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if ( (!PWM_Instance) || !PWM_Instance->isPWMEnabled())
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{
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Serial.print(F("Stop here forever"));
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while (true)
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delay(10000);
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}
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}
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voidloop()
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{
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// You can change frequency here, anytime
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frequency =2000.0f;
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dutyCycle =20.0f;
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PWM_Instance->setPWM(pinToUse, frequency, dutyCycle);
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delay(10000);
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// You can change frequency here, anytime
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frequency =5000.0f;
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dutyCycle =90.0f;
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PWM_Instance->setPWM(pinToUse, frequency, dutyCycle);
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//while (1)
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delay(10000);
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}
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/****************************************************************************************************************************
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PWM_DynamicDutyCycle.ino
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For SAM_DUE boards using hardware-based PWM
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Written by Khoi Hoang
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Built by Khoi Hoang https://github.com/khoih-prog/SAMDUE_PWM
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Licensed under MIT license
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*****************************************************************************************************************************/
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#define_PWM_LOGLEVEL_4
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// Select false to use PWM
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#defineUSING_TIMERtrue
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#include"SAMDUE_PWM.h"
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// SAM_DUE:
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// PWM pins: 6, 7, 8, 9
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// Timer pins: 2-5, 10-13.
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// pin2: TC0_CHA0, pin3: TC2_CHA7, pin4: TC2_CHB6, pin5: TC2_CHA6
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// pin 10: TC2_CHB7, pin11: TC2_CHA8, pin12: TC2_CHB8, pin13: TC0_CHB0
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#if USING_TIMER
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#definepinToUse5
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#else
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#definepinToUse6
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#endif
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//creates pwm instance
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SAMDUE_PWM* PWM_Instance;
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float frequency;
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float dutyCycle;
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char dashLine[] ="=====================================================================================";
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voidprintPWMInfo(SAMDUE_PWM* PWM_Instance)
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{
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Serial.println(dashLine);
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Serial.print("Actual data: pin =");
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Serial.print(PWM_Instance->getPin());
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Serial.print(", PWM DC =");
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Serial.print(PWM_Instance->getActualDutyCycle());
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Serial.print(", PWMPeriod =");
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Serial.print(PWM_Instance->getPWMPeriod());
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Serial.print(", PWM Freq (Hz) =");
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Serial.println(PWM_Instance->getActualFreq(),4);
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Serial.println(dashLine);
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}
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voidsetup()
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{
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Serial.begin(115200);
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while (!Serial &&millis() <5000);
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delay(500);
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#if USING_TIMER
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Serial.print(F("\nStarting PWM_DynamicDutyCycle using Timer on"));
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#else
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Serial.print(F("\nStarting PWM_DynamicDutyCycle using PWM on"));
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#endif
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Serial.println(BOARD_NAME);
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Serial.println(SAMDUE_PWM_VERSION);
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frequency =5000.0f;
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PWM_Instance =newSAMDUE_PWM(pinToUse, frequency,0.0f);
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if ( (!PWM_Instance) || !PWM_Instance->isPWMEnabled())
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{
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Serial.print(F("Stop here forever"));
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while (true)
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delay(10000);
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}
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Serial.println(dashLine);
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}
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voidloop()
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{
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dutyCycle =90.0f;
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Serial.print(F("Change PWM DutyCycle to"));
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Serial.println(dutyCycle);
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PWM_Instance->setPWM(pinToUse, frequency, dutyCycle);
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printPWMInfo(PWM_Instance);
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delay(5000);
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dutyCycle =20.0f;
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Serial.print(F("Change PWM DutyCycle to"));
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Serial.println(dutyCycle);
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PWM_Instance->setPWM(pinToUse, frequency, dutyCycle);
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printPWMInfo(PWM_Instance);
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delay(5000);
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}

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