Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
Last revision Both sides next revision
arduino:arduino_timer [2020/12/02 23:21]
admin 		arduino:arduino_timer [2020/12/02 23:38]
admin [Arduino Leonardo]
Line 28: Line 28:
    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\\ 
- 
-   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 
-   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 
-   TCCR2B = TCCR2B & B11111000 | B00000010;    // set timer 2 divisor to     8 for PWM frequency of  3921.16 Hz 
-   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:\\ One can find a detailed explanation here:\\
 [[http://r6500.blogspot.com/2014/12/fast-pwm-on-arduino-leonardo.html|Fast PWM on Arduino Leonardo ]]\\ [[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]]\\
  
 ---- ----