bmx280_internals.h
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1 /*
2  * Copyright (C) 2016 Kees Bakker, SODAQ
3  * 2017 Inria
4  *
5  * This file is subject to the terms and conditions of the GNU Lesser
6  * General Public License v2.1. See the file LICENSE in the top level
7  * directory for more details.
8  */
9 
21 #ifndef BMX280_INTERNALS_H
22 #define BMX280_INTERNALS_H
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
32 #if defined(MODULE_BME280_SPI) || defined(MODULE_BME280_I2C)
33 #define BMX280_CHIP_ID_VAL (0x60)
34 #else
35 #define BMX280_CHIP_ID_VAL (0x58)
36 #endif
37 
43 #define BMX280_CHIP_ID_REG (0xD0)
44 #define BMEX80_RST_REG (0xE0) /* Softreset Reg */
45 
46 #define BMX280_DIG_T1_LSB_REG (0x88)
47 #define BMX280_DIG_T1_MSB_REG (0x89)
48 #define BMX280_DIG_T2_LSB_REG (0x8A)
49 #define BMX280_DIG_T2_MSB_REG (0x8B)
50 #define BMX280_DIG_T3_LSB_REG (0x8C)
51 #define BMX280_DIG_T3_MSB_REG (0x8D)
52 #define BMX280_DIG_P1_LSB_REG (0x8E)
53 #define BMX280_DIG_P1_MSB_REG (0x8F)
54 #define BMX280_DIG_P2_LSB_REG (0x90)
55 #define BMX280_DIG_P2_MSB_REG (0x91)
56 #define BMX280_DIG_P3_LSB_REG (0x92)
57 #define BMX280_DIG_P3_MSB_REG (0x93)
58 #define BMX280_DIG_P4_LSB_REG (0x94)
59 #define BMX280_DIG_P4_MSB_REG (0x95)
60 #define BMX280_DIG_P5_LSB_REG (0x96)
61 #define BMX280_DIG_P5_MSB_REG (0x97)
62 #define BMX280_DIG_P6_LSB_REG (0x98)
63 #define BMX280_DIG_P6_MSB_REG (0x99)
64 #define BMX280_DIG_P7_LSB_REG (0x9A)
65 #define BMX280_DIG_P7_MSB_REG (0x9B)
66 #define BMX280_DIG_P8_LSB_REG (0x9C)
67 #define BMX280_DIG_P8_MSB_REG (0x9D)
68 #define BMX280_DIG_P9_LSB_REG (0x9E)
69 #define BMX280_DIG_P9_MSB_REG (0x9F)
70 
71 #define BME280_DIG_H1_REG (0xA1)
72 #define BME280_DIG_H2_LSB_REG (0xE1)
73 #define BME280_DIG_H2_MSB_REG (0xE2)
74 #define BME280_DIG_H3_REG (0xE3)
75 #define BME280_DIG_H4_MSB_REG (0xE4) /* H4[11:4] */
76 #define BME280_DIG_H4_H5_REG (0xE5) /* H5[3:0] H4[3:0] */
77 #define BME280_DIG_H5_MSB_REG (0xE6) /* H5[11:4] */
78 #define BME280_DIG_H6_REG (0xE7)
79 
80 #define BMX280_STAT_REG (0xF3) /* Status Reg */
81 #define BMX280_CTRL_MEAS_REG (0xF4) /* Ctrl Measure Reg */
82 #define BMX280_CONFIG_REG (0xF5) /* Configuration Reg */
83 #define BMX280_PRESSURE_MSB_REG (0xF7) /* Pressure MSB */
84 #define BMX280_PRESSURE_LSB_REG (0xF8) /* Pressure LSB */
85 #define BMX280_PRESSURE_XLSB_REG (0xF9) /* Pressure XLSB */
86 #define BMX280_TEMPERATURE_MSB_REG (0xFA) /* Temperature MSB */
87 #define BMX280_TEMPERATURE_LSB_REG (0xFB) /* Temperature LSB */
88 #define BMX280_TEMPERATURE_XLSB_REG (0xFC) /* Temperature XLSB */
89 #define BME280_CTRL_HUM_REG (0xF2) /* Ctrl Humidity Reg */
90 #define BME280_HUMIDITY_MSB_REG (0xFD) /* Humidity MSB */
91 #define BME280_HUMIDITY_LSB_REG (0xFE) /* Humidity LSB */
92 
98 #define MEAS_OSRS_T_POS (5U)
99 #define MEAS_OSRS_P_POS (2U)
100 #define STAT_MEASURING (1 << 3)
101 #define RESET_WORD (0xB6)
102 
108 #define DATA_BASE BMX280_PRESSURE_MSB_REG
109 
115 #define CALIB_T_P_BASE (BMX280_DIG_T1_LSB_REG)
116 #define CALIB_T_P_LEN (24U)
117 #define OFFSET_T_P(x) (x - CALIB_T_P_BASE)
118 #if defined(MODULE_BME280_SPI) || defined(MODULE_BME280_I2C)
119 #define CALIB_H_BASE (BME280_DIG_H2_LSB_REG)
120 #define CALIB_H_LEN (7U)
121 #define OFFSET_H(x) (x - CALIB_H_BASE)
122 #endif
123 
125 #ifdef __cplusplus
126 }
127 #endif
128 
129 #endif /* BMX280_INTERNALS_H */
130