WS2812.h

00001 /* Copyright (c) 2012 cstyles, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  */
00018 
00019 #ifndef WS2812_H
00020 #define WS2812_H
00021 
00022 #include "mbed.h"
00023 
00024 #define WS1 0x38
00025 #define WS0 0x30
00026 #define SPICLK 5000000
00027 #define SPIBPF 6
00028 
00029 
00030 //!Library for the WS2812 RGB LED with integrated controller
00031 /*!
00032 The WS2812 is controller that is built into a range of LEDs
00033 */
00034 class WS2812
00035 {
00036 public:
00037     //!Creates an instance of the class.
00038     /*!
00039     Connect WS2812 address addr using SPI MOSI pins
00040     */
00041     WS2812(PinName d, int size);
00042 
00043     /*!
00044     Destroys instance.
00045     */
00046     ~WS2812 ();
00047 
00048     //!Reads the current temperature.
00049     /*!
00050     Reads the temperature register of the LM75B and converts it to a useable value.
00051     */
00052     void write (int buf[]);
00053     void write_offsets (int buf[],int r_offset=0, int g_offset=0, int b_offset=0);
00054     void setAll(int colour);
00055 
00056     void useII(int d);
00057     void setII(unsigned char II);
00058     
00059 
00060 
00061 private:
00062 
00063     int __size;
00064     unsigned char __II;
00065     int __use_II;
00066     SPI __spi;
00067     void __write (int color);
00068 
00069 
00070 };
00071 
00072 #endif