Statistics
| Branch: | Tag: | Revision:

amiro-os / include / amiro / BaseSensor.hpp @ f3972840

History | View | Annotate | Download (2.784 KB)

1 58fe0e0b Thomas Schöpping
#ifndef AMIRO_BASE_SENSOR_H_
2
#define AMIRO_BASE_SENSOR_H_
3
4
/* ABOUT THE USED PREPROCESSOR DIRECTIVES IN THIS FILE
5
 * AMIRO_NCALIBRATION:
6
 *  If defined, the calibration() function will be ignored for compilation.
7
 *  Thus, all inheriting classes must use this directive, too.
8
 * AMIRO_NSELFTEST:
9
 *  If defined, the selftest() function will be ignored for compilation.
10
 *  Thus, all inheriting classes must use this directive, too.
11
 */
12
13
namespace amiro {
14
15
  /**
16
   * This is an interface class, which should be used as a blueprint for all drivers of the AMiRo.
17
   */
18
  template<typename Init_t = void, typename Calib_t = void>
19
  class BaseSensor
20
  {
21
  public:
22
    BaseSensor() {}
23
    virtual ~BaseSensor() {}
24
25
    /**
26
     * Some error codes that should be returned by the implementations of the virtual functions of this class.
27
     */
28
    enum ErrorCodes {
29
      SUCCESS = 0x00u, OK = 0x00u,
30
      ERROR = 0x80u, FAIL = 0x80u,
31
      NOT_IMPLEMENTED = 0xFFu
32
    };
33
34
    /**
35
     * Initializes the hardware (e.g. sets register values).
36
     * This function is optional.
37
     *
38
     * @param[in,out] driver specific initialization data (should be used for arguments and results); optional
39
     * @return an error code
40
     */
41
    virtual inline msg_t init(Init_t* = NULL)
42
    {
43
      return NOT_IMPLEMENTED;
44
    }
45
46
    /**
47
     * Reads the most important values from the hardware and stores them in local buffers.
48
     *
49
     * @return an error code
50
     */
51
    virtual msg_t update() = 0;
52
53
    /**
54
     * If required, wakes the hardware from power saving mode into an active state.
55
     * (Re)Initializes all local buffers with valid values, thus the update() function should be called.
56
     *
57
     * @return an error code
58
     */
59
    virtual msg_t wakeup() = 0;
60
61
    /**
62
     * Puts the hardware in a power saving mode to reduce energy consumption.
63
     * This function is optional.
64
     * @return an error code
65
     */
66
    virtual msg_t hibernate()
67
    {
68
      return NOT_IMPLEMENTED;
69
    }
70
71
#ifndef AMIRO_NCALIBRATION
72
    /**
73
     * Runs a calibration of the hardware.
74
     * This function is optional.
75
     *
76
     * @param[in,out] driver specific calibration data (should be used for arguments and results); optional
77
     *
78
     * @return an error code
79
     */
80
    virtual msg_t calibration(Calib_t* = NULL)
81
    {
82
      return NOT_IMPLEMENTED;
83
    }
84
#else
85
    static uint8_t calibration(Calib_t* = NULL)
86
    {
87
      return NOT_IMPLEMENTED;
88
    }
89
#endif
90
91
#ifndef AMIRO_NSELFTEST
92
    /**
93
     * Runs a self-test on the hardware and/or communication.
94
     * This function is optional but highly recommended.
95
     *
96
     * @return an error code
97
     */
98
    virtual msg_t selftest()
99
    {
100
      return NOT_IMPLEMENTED;
101
    }
102
#else
103
    static msg_t selftest()
104
    {
105
      return NOT_IMPLEMENTED;
106
    }
107
#endif
108
109
  };
110
111
}
112
113
#endif /* AMIRO_BASE_SENSOR_H_ */