upm  1.6.0
Sensor/Actuator repository for libmraa (v1.9.0)
lpd8806.hpp
1 /*
2  * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3  * Copyright (c) 2014 Intel Corporation.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #pragma once
25 
26 #include <string>
27 #include <mraa/aio.hpp>
28 
29 #include <mraa/gpio.hpp>
30 
31 #include <mraa/spi.hpp>
32 
33 #define HIGH 1
34 #define LOW 0
35 
36 namespace upm {
37 
60 class LPD8806 {
61  public:
62 
70  LPD8806 (int bus, int csn, uint16_t pixelCount);
71 
76  ~LPD8806 ();
77 
84  void setPixelColor (uint16_t pixelOffset, uint8_t r, uint8_t g, uint8_t b);
85 
89  void show (void);
90 
94  uint16_t getStripLength (void);
95 
99  std::string name()
100  {
101  return m_name;
102  }
103  private:
104  /* Disable implicit copy and assignment operators */
105  LPD8806(const LPD8806&) = delete;
106  LPD8806 &operator=(const LPD8806&) = delete;
107 
108  std::string m_name;
109  mraa::Spi m_spi;
110  mraa::Gpio m_csnPinCtx;
111 
112  uint8_t* m_pixels;
113  uint8_t m_pixelsCount;
114 
115  uint8_t readRegister (uint8_t reg);
116  void writeRegister (uint8_t reg, uint8_t data);
117 
121  mraa::Result CSOn ();
122 
126  mraa::Result CSOff ();
127 };
128 
129 }
API for the LPD8806 RGB LED Strip Controller.
Definition: lpd8806.hpp:60
void setPixelColor(uint16_t pixelOffset, uint8_t r, uint8_t g, uint8_t b)
Definition: lpd8806.cxx:80
std::string name()
Definition: lpd8806.hpp:99
~LPD8806()
Definition: lpd8806.cxx:73
uint16_t getStripLength(void)
Definition: lpd8806.cxx:100
C++ API for the kxtj3 driver.
Definition: a110x.hpp:29
void show(void)
Definition: lpd8806.cxx:90
LPD8806(int bus, int csn, uint16_t pixelCount)
Definition: lpd8806.cxx:35