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Dependencies:   libmDot mbed-rtos mbed

Fork of mDot_LoRa_Sensornode by Adrian Mitevski

app/BME280.h@0:f2815503561f, 2016-07-06 (annotated)

Committer:
mitea1
Date:
Wed Jul 06 20:40:36 2016 +0000
Revision:
0:f2815503561f
Child:
6:e2ae47490f60
initial commit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mitea1 0:f2815503561f 1 /*
mitea1 0:f2815503561f 2 * BME280.h
mitea1 0:f2815503561f 3 *
mitea1 0:f2815503561f 4 * Created on: 18.05.2016
mitea1 0:f2815503561f 5 * Author: Adrian
mitea1 0:f2815503561f 6 */
mitea1 0:f2815503561f 7 #include <stdint.h>
mitea1 0:f2815503561f 8 #include "I2C_RT.h"
mitea1 0:f2815503561f 9 #include "BME280Config.h"
mitea1 0:f2815503561f 10
mitea1 0:f2815503561f 11 #ifndef APP_BME280_H_
mitea1 0:f2815503561f 12 #define APP_BME280_H_
mitea1 0:f2815503561f 13
mitea1 0:f2815503561f 14
mitea1 0:f2815503561f 15 #define BME280_SENSOR_ADDRESS 0b11101100 /**< Sensor address */
mitea1 0:f2815503561f 16 #define BME280_SENSOR_ID 0xD0 /**< ID of BMP280 */
mitea1 0:f2815503561f 17 #define BME280_SENSOR_RESET 0xE0 /**< Reset sensor */
mitea1 0:f2815503561f 18 #define BME280_SENSOR_CTRL_HUM 0xF2 /**< */
mitea1 0:f2815503561f 19 #define BME280_SENSOR_STATUS 0xF3 /**< */
mitea1 0:f2815503561f 20 #define BME280_SENSOR_CTRL_MEAS 0xF4 /**< */
mitea1 0:f2815503561f 21 #define BME280_SENSOR_CONFIG 0xF5 /**< */
mitea1 0:f2815503561f 22 #define BME280_SENSOR_PRESS_MSB 0xF7 /**< MSB of pressure value */
mitea1 0:f2815503561f 23 #define BME280_SENSOR_PRESS_LSB 0xF8 /**< LSB of pressure value */
mitea1 0:f2815503561f 24 #define BME280_SENSOR_PRESS_XLSB 0xF9 /**< xtra-LSB of pressure value */
mitea1 0:f2815503561f 25 #define BME280_SENSOR_TEMP_MSB 0x00FA /**< MSB of temperature value */
mitea1 0:f2815503561f 26 #define BME280_SENSOR_TEMP_LSB 0x00FB /**< LSB of temperature value */
mitea1 0:f2815503561f 27 #define BME280_SENSOR_TEMP_XLSB 0x00FC /**< xtra-LSB of temperature value */
mitea1 0:f2815503561f 28 #define BME280_SENSOR_HUM_MSB 0xFD /**< MSB of humidity value */
mitea1 0:f2815503561f 29 #define BME280_SENSOR_HUM_LSB 0xFE /**< xtra-LSB of humidity value */
mitea1 0:f2815503561f 30
mitea1 0:f2815503561f 31
mitea1 0:f2815503561f 32 #define BME280_digT1_LSB 0x88 /**< Trimming parameter for temperature */
mitea1 0:f2815503561f 33 #define BME280_digT1_MSB 0x89 /**< Trimming parameter for temperature */
mitea1 0:f2815503561f 34 #define BME280_digT2_LSB 0x8A /**< Trimming parameter for temperature */
mitea1 0:f2815503561f 35 #define BME280_digT2_MSB 0x8B /**< Trimming parameter for temperature */
mitea1 0:f2815503561f 36 #define BME280_digT3_LSB 0x8C /**< Trimming parameter for temperature */
mitea1 0:f2815503561f 37 #define BME280_digT3_MSB 0x8D /**< Trimming parameter for temperature */
mitea1 0:f2815503561f 38
mitea1 0:f2815503561f 39 #define BME280_digP1_LSB 0x8E /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 40 #define BME280_digP1_MSB 0x8F /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 41 #define BME280_digP2_LSB 0x90 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 42 #define BME280_digP2_MSB 0x91 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 43 #define BME280_digP3_LSB 0x92 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 44 #define BME280_digP3_MSB 0x93 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 45 #define BME280_digP4_LSB 0x94 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 46 #define BME280_digP4_MSB 0x95 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 47 #define BME280_digP5_LSB 0x96 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 48 #define BME280_digP5_MSB 0x97 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 49 #define BME280_digP6_LSB 0x98 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 50 #define BME280_digP6_MSB 0x99 /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 51 #define BME280_digP7_LSB 0x9A /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 52 #define BME280_digP7_MSB 0x9B /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 53 #define BME280_digP8_LSB 0x9C /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 54 #define BME280_digP8_MSB 0x9D /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 55 #define BME280_digP9_LSB 0x9E /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 56 #define BME280_digP9_MSB 0x9F /**< Trimming parameter for pressure */
mitea1 0:f2815503561f 57
mitea1 0:f2815503561f 58 #define BME280_digH1_LSB 0xA1 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 59 #define BME280_digH2_LSB 0xE1 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 60 #define BME280_digH2_MSB 0xE2 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 61 #define BME280_digH3_LSB 0xE3 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 62 #define BME280_digH4_MSB 0xE4 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 63 #define BME280_digH4_LSB 0xE5 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 64 #define BME280_digH5_LSB 0xE6 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 65 #define BME280_digH5_MSB 0xE5 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 66 #define BME280_digH6_LSB 0xE7 /**< Trimming parameter for humidity */
mitea1 0:f2815503561f 67
mitea1 0:f2815503561f 68 class BME280 {
mitea1 0:f2815503561f 69 public:
mitea1 0:f2815503561f 70 BME280(I2C_RT*);
mitea1 0:f2815503561f 71 virtual ~BME280();
mitea1 0:f2815503561f 72 void init(BME280_MODE);
mitea1 0:f2815503561f 73 void setI2C(I2C_RT*);
mitea1 0:f2815503561f 74
mitea1 0:f2815503561f 75
mitea1 0:f2815503561f 76 /**
mitea1 0:f2815503561f 77 * @brief Gets the temperature in �C
mitea1 0:f2815503561f 78 * @return temperature in �C
mitea1 0:f2815503561f 79 */
mitea1 0:f2815503561f 80 float getTemperatureFloat();
mitea1 0:f2815503561f 81
mitea1 0:f2815503561f 82 /**
mitea1 0:f2815503561f 83 * @brief Gets the pressure in hPa
mitea1 0:f2815503561f 84 * @return pressure in hPa
mitea1 0:f2815503561f 85 */
mitea1 0:f2815503561f 86 float getPressureFloat();
mitea1 0:f2815503561f 87
mitea1 0:f2815503561f 88 /**
mitea1 0:f2815503561f 89 * @brief Gets the humidity in %
mitea1 0:f2815503561f 90 * @return humidity in %
mitea1 0:f2815503561f 91 */
mitea1 0:f2815503561f 92 float getHumidityFloat();
mitea1 0:f2815503561f 93
mitea1 0:f2815503561f 94 private:
mitea1 0:f2815503561f 95 I2C_RT* i2c;
mitea1 0:f2815503561f 96 BME280Config* config;
mitea1 0:f2815503561f 97
mitea1 0:f2815503561f 98 uint16_t digT1;
mitea1 0:f2815503561f 99 int16_t digT2;
mitea1 0:f2815503561f 100 int16_t digT3;
mitea1 0:f2815503561f 101 uint8_t digH1;
mitea1 0:f2815503561f 102 int16_t digH2;
mitea1 0:f2815503561f 103 uint8_t digH3;
mitea1 0:f2815503561f 104 int16_t digH4;
mitea1 0:f2815503561f 105 int16_t digH5;
mitea1 0:f2815503561f 106 int8_t digH6;
mitea1 0:f2815503561f 107 uint16_t digP1;
mitea1 0:f2815503561f 108 int16_t digP2;
mitea1 0:f2815503561f 109 int16_t digP3;
mitea1 0:f2815503561f 110 int16_t digP4;
mitea1 0:f2815503561f 111 int16_t digP5;
mitea1 0:f2815503561f 112 int16_t digP6;
mitea1 0:f2815503561f 113 int16_t digP7;
mitea1 0:f2815503561f 114 int16_t digP8;
mitea1 0:f2815503561f 115 int16_t digP9;
mitea1 0:f2815503561f 116
mitea1 0:f2815503561f 117 /**
mitea1 0:f2815503561f 118 * Converts a raw measured humidity value in to an exact humidity value. The algorithm
mitea1 0:f2815503561f 119 * was defined by Bosch itself
mitea1 0:f2815503561f 120 * @param humidity_raw the raw measured humidity value
mitea1 0:f2815503561f 121 * @param temperature_fine the exact temperature value
mitea1 0:f2815503561f 122 * @return an exact humidity value
mitea1 0:f2815503561f 123 */
mitea1 0:f2815503561f 124 int32_t compensateHumidity(int32_t humidity_raw, int32_t temperature_fine);
mitea1 0:f2815503561f 125
mitea1 0:f2815503561f 126 /**
mitea1 0:f2815503561f 127 * Converts a raw measured pressure value in to an exact pressure value. The algorithm
mitea1 0:f2815503561f 128 * was defined by Bosch itself
mitea1 0:f2815503561f 129 * @param pressure_raw the raw measured pressure value
mitea1 0:f2815503561f 130 * @param temperature_fine the exact temperature value
mitea1 0:f2815503561f 131 * @return an exact pressure value
mitea1 0:f2815503561f 132 */
mitea1 0:f2815503561f 133 int64_t compensatePressure(int32_t pressure_raw, int32_t temperature_fine);
mitea1 0:f2815503561f 134
mitea1 0:f2815503561f 135 /**
mitea1 0:f2815503561f 136 * Converts a raw measured temperature value in to an exact temperature value. The algorithm
mitea1 0:f2815503561f 137 * was defined by Bosch itself
mitea1 0:f2815503561f 138 * @param temperatur_raw the raw measured temperature value
mitea1 0:f2815503561f 139 * @return an exact temperature value
mitea1 0:f2815503561f 140 */
mitea1 0:f2815503561f 141 int32_t compensateTemperature(int32_t temperature_raw);
mitea1 0:f2815503561f 142
mitea1 0:f2815503561f 143
mitea1 0:f2815503561f 144 /**
mitea1 0:f2815503561f 145 * @brief Reads the trim Values that are used for calculation the exact Humidity by the compensateHumidity() Method from
mitea1 0:f2815503561f 146 * the Sensor Registers and stores them
mitea1 0:f2815503561f 147 */
mitea1 0:f2815503561f 148 void getTrimValuesHumidity();
mitea1 0:f2815503561f 149
mitea1 0:f2815503561f 150 /**
mitea1 0:f2815503561f 151 * @brief Reads the trim Values that are used for calculation the exact Pressure by the compensatePressure() Method from
mitea1 0:f2815503561f 152 * the Sensor Registers and stores them
mitea1 0:f2815503561f 153 */
mitea1 0:f2815503561f 154 void getTrimValuesPressure();
mitea1 0:f2815503561f 155
mitea1 0:f2815503561f 156 /**
mitea1 0:f2815503561f 157 * @brief Reads the trim Values that are used for calculation the exact Temperature by the compensateTemperature() Method from
mitea1 0:f2815503561f 158 * the Sensor Registers and stores them
mitea1 0:f2815503561f 159 */
mitea1 0:f2815503561f 160 void getTrimValuesTemperature();
mitea1 0:f2815503561f 161
mitea1 0:f2815503561f 162
mitea1 0:f2815503561f 163 /**
mitea1 0:f2815503561f 164 * @brief sets the Sensor in a special low Power Mode that is optimized for wheater Monitoring
mitea1 0:f2815503561f 165 */
mitea1 0:f2815503561f 166 void setWeatherMonitoringMode();
mitea1 0:f2815503561f 167
mitea1 0:f2815503561f 168 /**
mitea1 0:f2815503561f 169 * @brief sets the Oversampling for Temperature Measurements
mitea1 0:f2815503561f 170 */
mitea1 0:f2815503561f 171 void setOversamplingTemperature(uint8_t overSamplingTemperature);
mitea1 0:f2815503561f 172
mitea1 0:f2815503561f 173 /**
mitea1 0:f2815503561f 174 * @brief sets the Oversampling for Pressure Measurements
mitea1 0:f2815503561f 175 */
mitea1 0:f2815503561f 176 void setOversamplingPressure(uint8_t overSamplingPressure);
mitea1 0:f2815503561f 177
mitea1 0:f2815503561f 178 /**
mitea1 0:f2815503561f 179 * @brief sets the Oversampling for Humidity Measurements
mitea1 0:f2815503561f 180 */
mitea1 0:f2815503561f 181 void setOversamplingHumidity(uint8_t overSamplingHumidity);
mitea1 0:f2815503561f 182
mitea1 0:f2815503561f 183 /**
mitea1 0:f2815503561f 184 * @brief sets the internal Sensor Mode inside the CTRL_MEAS Register
mitea1 0:f2815503561f 185 */
mitea1 0:f2815503561f 186 void setMode(uint8_t desiredMode);
mitea1 0:f2815503561f 187
mitea1 0:f2815503561f 188
mitea1 0:f2815503561f 189 /**
mitea1 0:f2815503561f 190 * Get the raw Value of Humidity from the registers. This Value later needs to be processed
mitea1 0:f2815503561f 191 * by the compensateHumidity() Method to get the exact Humidity
mitea1 0:f2815503561f 192 * @return raw Humidity Value
mitea1 0:f2815503561f 193 */
mitea1 0:f2815503561f 194 uint32_t getHumidity();
mitea1 0:f2815503561f 195
mitea1 0:f2815503561f 196 /**
mitea1 0:f2815503561f 197 * Get the raw Value of Pressure from the registers. This Value later needs to be processed
mitea1 0:f2815503561f 198 * by the compensatePressure() Method to get the exact Pressure
mitea1 0:f2815503561f 199 * @return raw Pressure Value
mitea1 0:f2815503561f 200 */
mitea1 0:f2815503561f 201 uint32_t getPressure();
mitea1 0:f2815503561f 202
mitea1 0:f2815503561f 203 /**
mitea1 0:f2815503561f 204 * Get the raw Value of Temperature from the registers. This Value later needs to be processed
mitea1 0:f2815503561f 205 * by the compensateTemperature() Method to get the exact Temperature
mitea1 0:f2815503561f 206 * @return raw Temperature Value
mitea1 0:f2815503561f 207 */
mitea1 0:f2815503561f 208 int32_t getTemperature();
mitea1 0:f2815503561f 209
mitea1 0:f2815503561f 210 };
mitea1 0:f2815503561f 211
mitea1 0:f2815503561f 212 #endif /* APP_BME280_H_ */