Driver for WS2812

Dependents:   ChrisRGB-Ring

WS2812.h

Committer:
chris
Date:
2014-08-04
Revision:
3:d56ffdf7beeb
Parent:
2:fa7ac5632be4
Child:
4:b230e85fc5e7

File content as of revision 3:d56ffdf7beeb:

/* Copyright (c) 2012 cstyles, MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef WS2812_H
#define WS2812_H

#include "mbed.h"

#define WS1 0x38
#define WS0 0x30
#define SPICLK 5000000
#define SPIBPF 6

// alternate settings for potential higher resoltion
//#define WS1 0xfc0
//#define WS0 0xf00
//#define SPICLK 10000000
//#define SPIBPF 12



//!Library for the WS2812 RGB LED with integrated controller
/*!
The WS2812 is controller that is built into a range of LEDs
*/
class WS2812
{
public:
  //!Creates an instance of the class.
  /*!
  Connect WS2812 address addr using SPI MOSI pins
  */
  WS2812(PinName d, int size);
  
  /*!
  Destroys instance.
  */ 
  ~WS2812();
  
  //!Reads the current temperature.
  /*!
  Reads the temperature register of the LM75B and converts it to a useable value.
  */
  void write (int buf[]);
  void setAll (int color);
  void useII (int d);
  void setII (unsigned char d);
  

private:

  int __size;
  unsigned char __II;
  int __use_II;
  SPI __spi;

  void __write (int color);


};

#endif