Open Model Railroad Network (OpenMRN)
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Charlieplex.hxx File Reference
#include "os/Gpio.hxx"
#include "utils/Fixed16.hxx"
#include "utils/Uninitialized.hxx"

Go to the source code of this file.

Classes

struct  CharlieplexHelper< 3 >
 Helper structure for the charlieplexing implementation. More...
 
struct  CharlieplexHelper< 4 >
 Helper structure for the charlieplexing implementation. More...
 
class  Charlieplex< N, helper >
 Class that implements a Charlieplexing LED driver, operating N choose 2 output LEDs from N GPIO pins. More...
 
class  WeightedCharlieplex< N, helper >
 Variant of the Charlieplex class that allows intensity to be set for each individual pin. More...
 

Detailed Description

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Helper classes for driving multiple LEDs using charlieplexing output lines.

Author
Balazs Racz
Date
8 Nov 2015

Definition in file Charlieplex.hxx.