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arduino:arduino_timer [2020/12/02 23:19]
admin 		arduino:arduino_timer [2020/12/14 14:33] (current)
admin
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 Set PWM frequency for pin D5 & D6 Set PWM frequency for pin D5 & D6
- +
    TCCR0B = TCCR0B & B11111000 | B00000001;    // set timer 0 divisor to 1 for PWM frequency of 62500.00 Hz    TCCR0B = TCCR0B & B11111000 | B00000001;    // set timer 0 divisor to 1 for PWM frequency of 62500.00 Hz
    TCCR0B = TCCR0B & B11111000 | B00000010;    // set timer 0 divisor to     8 for PWM frequency of  7812.50 Hz    TCCR0B = TCCR0B & B11111000 | B00000010;    // set timer 0 divisor to     8 for PWM frequency of  7812.50 Hz
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    TCCR2B = TCCR2B & B11111000 | B00000110;    // set timer 2 divisor to   256 for PWM frequency of   122.55 Hz    TCCR2B = TCCR2B & B11111000 | B00000110;    // set timer 2 divisor to   256 for PWM frequency of   122.55 Hz
    TCCR2B = TCCR2B & B11111000 | B00000111;    // set timer 2 divisor to  1024 for PWM frequency of    30.64 Hz    TCCR2B = TCCR2B & B11111000 | B00000111;    // set timer 2 divisor to  1024 for PWM frequency of    30.64 Hz
 +
 +//from [[https://forum.arduino.cc/index.php?topic=328714.0]]//\\
  
  
 ==== Arduino Leonardo ==== ==== Arduino Leonardo ====
-Set PWM frequency for D5 & D6\\ 
-   TCCR0B = TCCR0B & B11111000 | B00000001;    // set timer 0 divisor to     1 for PWM frequency of 62500.00 Hz 
-   TCCR0B = TCCR0B & B11111000 | B00000010;    // set timer 0 divisor to     8 for PWM frequency of  7812.50 Hz 
-   TCCR0B = TCCR0B & B11111000 | B00000011;    // set timer 0 divisor to    64 for PWM frequency of   976.56 Hz (The DEFAULT) 
-   TCCR0B = TCCR0B & B11111000 | B00000100;    // set timer 0 divisor to   256 for PWM frequency of   244.14 Hz 
-   TCCR0B = TCCR0B & B11111000 | B00000101;    // set timer 0 divisor to  1024 for PWM frequency of    61.04 Hz 
  
-Set PWM frequency for D9 & D10\\+One can find a detailed explanation here:\\ 
 +[[http://r6500.blogspot.com/2014/12/fast-pwm-on-arduino-leonardo.html|Fast PWM on Arduino Leonardo ]]\\ 
 +and the code here:\\ 
 +[[https://github.com/R6500/Leonardo/blob/master/FastPWM.ino]]\\ 
 +and a library is here:\\ 
 +[[https://code.google.com/archive/p/arduino-pwm-frequency-library/downloads]]\\
  
-   TCCR1B = TCCR1B & B11111000 | B00000001;    // set timer 1 divisor to     1 for PWM frequency of 31372.55 Hz +---- 
-   TCCR1B = TCCR1B & B11111000 | B00000010;    // set timer 1 divisor to     8 for PWM frequency of  3921.16 Hz +==== License ====
-   TCCR1B = TCCR1B & B11111000 | B00000011;    // set timer 1 divisor to    64 for PWM frequency of   490.20 Hz (The DEFAULT) +
-   TCCR1B = TCCR1B & B11111000 | B00000100;    // set timer 1 divisor to   256 for PWM frequency of   122.55 Hz +
-   TCCR1B = TCCR1B & B11111000 | B00000101;    // set timer 1 divisor to  1024 for PWM frequency of    30.64 Hz +
-  +
-Set PWM frequency for D3 & D11\\+
  
-   TCCR2B = TCCR2B & B11111000 | B00000001;    // set timer 2 divisor to     1 for PWM frequency of 31372.55 Hz +This manuals is made by **Wolfgang Spahn** 2020.\\ 
-   TCCR2B = TCCR2B & B11111000 | B00000010;    // set timer 2 divisor to     8 for PWM frequency of  3921.16 Hz +Except where otherwise noted, content on this wiki is licensed under the following license: [[http://creativecommons.org/licenses/by-nc-sa/4.0/"|Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License]].\\
-   TCCR2B = TCCR2B & B11111000 | B00000011;    // set timer 2 divisor to    32 for PWM frequency of   980.39 Hz +
-   TCCR2B = TCCR2B & B11111000 | B00000100;    // set timer 2 divisor to    64 for PWM frequency of   490.20 Hz (The DEFAULT) +
-   TCCR2B = TCCR2B & B11111000 | B00000101;    // set timer 2 divisor to   128 for PWM frequency of   245.10 Hz +
-   TCCR2B = TCCR2B & B11111000 | B00000110;    // set timer 2 divisor to   256 for PWM frequency of   122.55 Hz +
-   TCCR2B = TCCR2B & B11111000 | B00000111;    // set timer 2 divisor to  1024 for PWM frequency of    30.64 Hz +
-//from [[https://forum.arduino.cc/index.php?topic=328714.0]]//\\+
  
-One can find a detailed explanation here:\\ +<html> 
-[[http://r6500.blogspot.com/2014/12/fast-pwm-on-arduino-leonardo.html|Fast PWM on Arduino Leonardo ]]\\+<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a>  
 +</html>
  
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 +