1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* Author: Scott Ware <scott.r.ware@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include <mraa/i2c.hpp>
#include "upm/iLightSensor.hpp"
/* ADDRESS AND NOT_FOUND VALUE */
#define MAX44009_ADDRESS ( 0x4A )
#define MAX44009_NOT_FOUND ( 0x00 )
/* I2C BUS */
#define MAX44009_I2C_BUS ( 1 )
/* REGISTER ADDRESSES */
#define MAX44009_INT_STATUS_ADDR ( 0x00 ) // R
#define MAX44009_INT_ENABLE_ADDR ( 0x01 ) // R/W
#define MAX44009_CONFIG_ADDR ( 0x02 ) // R/W
#define MAX44009_LUX_START_ADDR ( 0x03 )
#define MAX44009_LUX_LENGTH ( 2 )
#define MAX44009_LUX_HIGH ( 0 )
#define MAX44009_LUX_LOW ( 1 )
#define MAX44009_THR_HIGH_ADDR ( 0x05 ) // R/W
#define MAX44009_THR_LOW_ADDR ( 0x06 ) // R/W
#define MAX44009_THR_TIMER_ADDR ( 0x07 ) // R/W
/* INTERRUPT VALUES */
#define MAX44009_INT_STATUS_OFF ( 0x00 )
#define MAX44009_INT_STATUS_ON ( 0x01 )
#define MAX44009_INT_DISABLED ( 0x00 )
#define MAX44009_INT_ENABLED ( 0x01 )
/* CONFIGURATION VALUES */
#define MAX44009_CONFIG_DEFAULT ( 0 << 7 )
#define MAX44009_CONFIG_CONTINUOUS ( 1 << 7 )
#define MAX44009_CONFIG_AUTO ( 0 << 6 )
#define MAX44009_CONFIG_MANUAL ( 1 << 6 )
#define MAX44009_CONFIG_CDR_NORMAL ( 0 << 3 )
#define MAX44009_CONFIG_CDR_DIVIDED ( 1 << 3 )
#define MAX44009_CONFIG_INTEGRATION_800ms ( 0 << 0 )
#define MAX44009_CONFIG_INTEGRATION_400ms ( 1 << 0 )
#define MAX44009_CONFIG_INTEGRATION_200ms ( 2 << 0 )
#define MAX44009_CONFIG_INTEGRATION_100ms ( 3 << 0 )
#define MAX44009_CONFIG_INTEGRATION_50ms ( 4 << 0 )
#define MAX44009_CONFIG_INTEGRATION_25ms ( 5 << 0 )
#define MAX44009_CONFIG_INTEGRATION_12ms ( 6 << 0 )
#define MAX44009_CONFIG_INTEGRATION_6ms ( 7 << 0 )
/* DEFAULT CONFIGURATION */
#define MAX44009_DEFAULT_CONFIGURATION ( MAX44009_CONFIG_DEFAULT | \
MAX44009_CONFIG_AUTO | \
MAX44009_CONFIG_CDR_NORMAL | \
MAX44009_CONFIG_INTEGRATION_100ms )
/* MISCELLANEOUS */
#define MAX44009_OVERRANGE_CONDITION ( 0x0F )
namespace upm {
/**
* @brief max44009 ambient light sensor library
* @defgroup max44009 libupm-max44009
* @ingroup maxim i2c light ilightsensor
*/
/**
* @brief C++ API for MAX44009 chip (Ambient Light Sensor)
*
* The Maxim Integrated
* [MAX44009](http://datasheets.maximintegrated.com/en/ds/MAX44009.pdf)
* is Industry’s Lowest-Power Ambient Light Sensor with ADC.
*
* @library max44009
* @sensor max44009
* @comname MAX44009 Ambient Light Sensor
* @altname MAX44009
* @type light
* @man maxim
* @con i2c
* @if ilightsensor
*
* @snippet iLightSensor.hpp Interesting
*
*/
class MAX44009 : public ILightSensor {
public:
/**
* Instanciates a MAX44009 object
*
* @param bus number of used bus
* @param devAddr address of used i2c device
*/
MAX44009 (int bus = MAX44009_I2C_BUS, int devAddr = MAX44009_ADDRESS);
/**
* MAX44009 object destructor, basicaly it close i2c connection.
*/
~MAX44009 ();
/**
* Read the raw visible light value
*/
uint16_t getVisibleRaw();
/**
* Read the lux value
*/
double getVisibleLux();
const char* getModuleName() { return "max44009"; }
private:
mraa::Result reset();
int m_maxControlAddr;
mraa::I2c* i2c;
mraa::Result status;
};
}
|
