enumeration.h

   1 /*
   2  * Copyright (C) 2014-2015 Intel Corporation.
   3  */
   4
   5 #ifndef __ENUMERATION_H__
   6 #define __ENUMERATION_H__
   7
   8 #include "common.h"
   9
  10 /*
  11  * Macros associating iio sysfs entries to to sensor types ; see
  12  * linux/kernel/drivers/iio/industrialio-core.c and
  13  * hardware/libhardware/include/hardware/sensor.h
  14  */
  15
  16 #define DECLARE_VOID_CHANNEL(tag)       \
  17                         tag,    \
  18                         "",     \
  19                         "",     \
  20                         "",     \
  21                         "",     \
  22                         "",     \
  23                         "",     \
  24
  25 #define DECLARE_CHANNEL(tag, spacer, name)              \
  26                         name,                           \
  27                         "in_"tag spacer name"_en",      \
  28                         "in_"tag spacer name"_type",    \
  29                         "in_"tag spacer name"_index",   \
  30                         "in_"tag spacer name"_raw",     \
  31                         "in_"tag spacer name"_input",   \
  32                         "in_"tag spacer name"_scale",   \
  33                         0, {{0}},
  34
  35 #define DECLARE_NAMED_CHANNEL(tag, name)        DECLARE_CHANNEL(tag, "_", name)
  36
  37 #define DECLARE_GENERIC_CHANNEL(tag)            DECLARE_CHANNEL(tag, "", "")
  38
  39 #define DECLARE_EVENT(tag, spacer1, name, spacer2, type, spacer3, dir)          \
  40                       type, dir,                                                \
  41                       "in_"tag spacer1 name spacer2 type spacer3 dir"_en",      \
  42                       "in_"tag spacer1 name spacer2 type spacer3 dir"_value",   \
  43
  44 #define DECLARE_GENERIC_EVENT(tag, name, type, dir) \
  45                 DECLARE_EVENT(tag, "_", name, "_", type, "_", dir)
  46 #define DECLARE_NAMED_EVENT(tag, name) \
  47                 DECLARE_EVENT(tag, "_", name, "","","","")
  48
  49 int     get_sensors_list        (struct sensors_module_t* module,
  50                                  struct sensor_t const** list);
  51
  52 void    enumerate_sensors       (void);
  53 void    delete_enumeration_data (void);
  54
  55 #endif