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
|
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MPL3115_H__
#define __MPL3115_H__
#include <stdint.h>
#include <stdbool.h>
/* I2C Slave Address define */
#define MPL3115_ADDRESS (0x60)
/* MPL3115 device ID number */
#define MPL3115_DEVICE_ID (0xC4)
/* MPL3115 Registers address definition */
#define MPL3115_STATUS (0x00)
#define MPL3115_OUT_P_MSB (0x01)
#define MPL3115_OUT_P_CSB (0x02)
#define MPL3115_OUT_P_LSB (0x03)
#define MPL3115_OUT_T_MSB (0x04)
#define MPL3115_OUT_T_LSB (0x05)
#define MPL3115_DR_STATUS (0x06)
#define MPL3115_OUT_P_DELTA_MSB (0x07)
#define MPL3115_OUT_P_DELTA_CSB (0x08)
#define MPL3115_OUT_P_DELTA_LSB (0x09)
#define MPL3115_OUT_T_DELTA_MSB (0x0A)
#define MPL3115_OUT_T_DELTA_LSB (0x0B)
#define MPL3115_WHO_AM_I (0x0C)
#define MPL3115_F_STATUS (0x0D)
#define MPL3115_F_DATA (0x0E)
#define MPL3115_F_SETUP (0x0F)
#define MPL3115_TIME_DLY (0x10)
#define MPL3115_SYSMOD (0x11)
#define MPL3115_INT_SOURCE (0x12)
#define MPL3115_PT_DATA_CFG (0x13)
#define MPL3115_BAR_IN_MSB (0x14)
#define MPL3115_BAR_IN_LSB (0x15)
#define MPL3115_P_TGT_MSB (0x16)
#define MPL3115_P_TGT_LSB (0x17)
#define MPL3115_T_TGT (0x18)
#define MPL3115_P_WND_MSB (0x19)
#define MPL3115_P_WND_LSB (0x1A)
#define MPL3115_T_WND (0x1B)
#define MPL3115_P_MIN_MSB (0x1C)
#define MPL3115_P_MIN_CSB (0x1D)
#define MPL3115_P_MIN_LSB (0x1E)
#define MPL3115_T_MIN_MSB (0x1F)
#define MPL3115_T_MIN_LSB (0x20)
#define MPL3115_P_MAX_MSB (0x21)
#define MPL3115_P_MAX_CSB (0x22)
#define MPL3115_P_MAX_LSB (0x23)
#define MPL3115_T_MAX_MSB (0x24)
#define MPL3115_T_MAX_LSB (0x25)
#define MPL3115_CTRL_REG1 (0x26)
#define MPL3115_CTRL_REG2 (0x27)
#define MPL3115_CTRL_REG3 (0x28)
#define MPL3115_CTRL_REG4 (0x29)
#define MPL3115_CTRL_REG5 (0x2A)
#define MPL3115_OFF_P (0x2B)
#define MPL3115_OFF_T (0x2C)
#define MPL3115_OFF_H (0x2D)
typedef struct _pressure_sensor
{
int32_t iHp; // slow (typically 25Hz) height (counts)
int32_t iHpFast; // fast (typically 200Hz) height (counts)
int16_t iTp; // slow (typically 25Hz) temperature (count)
int16_t iTpFast; // fast (typically 200Hz) temperature (counts)
float fHp; // slow (typically 25Hz) height (m)
float fTp; // slow (typically 25Hz) temperature (C)
float fmPerCount; // initialized to FMPERCOUNT
float fCPerCount; // initialized to FCPERCPOUNT
} pressure_sensor_t;
/* Function prototypes */
#if defined(__cplusplus)
extern "C" {
#endif
bool mpl3115_init(pressure_sensor_t*);
bool mpl3115_read_data(pressure_sensor_t*);
#ifdef __cplusplus
}
#endif
#endif /* __MPL3115_H__ */
/*******************************************************************************
* EOF
******************************************************************************/
|