upm  1.6.0
Sensor/Actuator repository for libmraa (v1.9.0)
max5487.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 #include <mraa/spi.hpp>
31 
32 #define HIGH 1
33 #define LOW 0
34 
35 namespace upm {
36 
62 class MAX5487 {
63  public:
64  static const uint8_t R_WR_WIPER_A = 0x01;
65  static const uint8_t R_WR_WIPER_B = 0x02;
66 
72  MAX5487 (int csn = -1);
73 
84  void setWiperA (uint8_t wiper);
85 
89  void setWiperB (uint8_t wiper);
90 
94  std::string name()
95  {
96  return m_name;
97  }
98  private:
99  std::string m_name;
100  mraa::Spi m_spi;
101  mraa::Gpio m_csnPinCtx;
102 
106  mraa::Result CSOn ();
107 
111  mraa::Result CSOff ();
112 };
113 
114 }
API for the MAX5487 SPI Digital Potentiometer.
Definition: max5487.hpp:62
MAX5487(int csn=-1)
Definition: max5487.cxx:34
C++ API for the kxtj3 driver.
Definition: a110x.hpp:29
std::string name()
Definition: max5487.hpp:94
void setWiperB(uint8_t wiper)
Definition: max5487.cxx:66
void setWiperA(uint8_t wiper)
Definition: max5487.cxx:52