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
|
/*
* The MIT License (MIT)
*
* Copyright (c) 2020 Matthias P. Braendli, Maximilien Cuony
*
* 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 <stdint.h>
#define BMP085_ADDRESS (0x77)
typedef enum {
BMP085_REGISTER_CAL_AC1 = 0xAA,
BMP085_REGISTER_CAL_AC2 = 0xAC,
BMP085_REGISTER_CAL_AC3 = 0xAE,
BMP085_REGISTER_CAL_AC4 = 0xB0,
BMP085_REGISTER_CAL_AC5 = 0xB2,
BMP085_REGISTER_CAL_AC6 = 0xB4,
BMP085_REGISTER_CAL_B1 = 0xB6,
BMP085_REGISTER_CAL_B2 = 0xB8,
BMP085_REGISTER_CAL_MB = 0xBA,
BMP085_REGISTER_CAL_MC = 0xBC,
BMP085_REGISTER_CAL_MD = 0xBE,
BMP085_REGISTER_CHIPID = 0xD0,
BMP085_REGISTER_VERSION = 0xD1,
BMP085_REGISTER_SOFTRESET = 0xE0,
BMP085_REGISTER_CONTROL = 0xF4,
BMP085_REGISTER_TEMPDATA = 0xF6,
BMP085_REGISTER_PRESSUREDATA = 0xF6,
} bmp085_register_address_t;
typedef enum {
BMP085_COMMAND_READTEMP = 0x2E,
BMP085_COMMAND_READPRESSURE = 0x34
} bmp085_command_t;
typedef enum {
BMP085_MODE_ULTRALOWPOWER = 0,
BMP085_MODE_STANDARD = 1,
BMP085_MODE_HIGHRES = 2,
BMP085_MODE_ULTRAHIGHRES = 3
} bmp085_mode_t;
typedef struct {
int16_t ac1;
int16_t ac2;
int16_t ac3;
uint16_t ac4;
uint16_t ac5;
uint16_t ac6;
int16_t b1;
int16_t b2;
int16_t mb;
int16_t mc;
int16_t md;
} bmp085_calib_data_t;
// Returns 1 on success
int bmp085_init();
// Returns 1 on success
int bmp085_get_temp_pressure(int32_t *temperature_deciDeg, int32_t *pressure_Pa);
|