Manuel Caballero / SCD30

CO2, humidity, and temperature sensor

SCD30.h@2:0d0174b46fd3, 2021-05-07 (annotated)

Committer:
mcm
Date:
Fri May 07 13:06:14 2021 +0000
Revision:
2:0d0174b46fd3
Parent:
1:c5b8dc5cdcee
Child:
3:ca833b38050f
The driver is completed and ready to be tested.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mcm 1:c5b8dc5cdcee 1 /**
mcm 1:c5b8dc5cdcee 2 * @brief SCD30.h
mcm 1:c5b8dc5cdcee 3 * @details CO2, humidity and temperature sensor.
mcm 1:c5b8dc5cdcee 4 * Header file.
mcm 1:c5b8dc5cdcee 5 *
mcm 1:c5b8dc5cdcee 6 *
mcm 1:c5b8dc5cdcee 7 * @return N/A
mcm 1:c5b8dc5cdcee 8 *
mcm 1:c5b8dc5cdcee 9 * @author Manuel Caballero
mcm 1:c5b8dc5cdcee 10 * @date 07/May/2021
mcm 1:c5b8dc5cdcee 11 * @version 07/May/2021 The ORIGIN
mcm 1:c5b8dc5cdcee 12 * @pre N/A
mcm 1:c5b8dc5cdcee 13 * @warning N/A
mcm 1:c5b8dc5cdcee 14 * @pre This code belongs to Nimbus Centre ( http://www.nimbus.cit.ie ).
mcm 1:c5b8dc5cdcee 15 */
mcm 1:c5b8dc5cdcee 16 #ifndef SCD30_H_
mcm 1:c5b8dc5cdcee 17 #define SCD30_H_
mcm 1:c5b8dc5cdcee 18
mcm 1:c5b8dc5cdcee 19 #include "mbed.h"
mcm 1:c5b8dc5cdcee 20
mcm 1:c5b8dc5cdcee 21
mcm 1:c5b8dc5cdcee 22 /**
mcm 1:c5b8dc5cdcee 23 Example:
mcm 1:c5b8dc5cdcee 24
mcm 1:c5b8dc5cdcee 25 @code
mcm 1:c5b8dc5cdcee 26
mcm 1:c5b8dc5cdcee 27 @endcode
mcm 1:c5b8dc5cdcee 28 */
mcm 1:c5b8dc5cdcee 29
mcm 1:c5b8dc5cdcee 30
mcm 1:c5b8dc5cdcee 31 /*!
mcm 1:c5b8dc5cdcee 32 Library for the SCD30 CO2, humidity and temperature sensor.
mcm 1:c5b8dc5cdcee 33 */
mcm 1:c5b8dc5cdcee 34 class SCD30
mcm 1:c5b8dc5cdcee 35 {
mcm 1:c5b8dc5cdcee 36 public:
mcm 1:c5b8dc5cdcee 37 /**
mcm 1:c5b8dc5cdcee 38 * @brief DEFAULT ADDRESS
mcm 1:c5b8dc5cdcee 39 */
mcm 1:c5b8dc5cdcee 40 typedef enum {
mcm 2:0d0174b46fd3 41 SCD30_ADDRESS = ( 0x61 << 1U ) /*!< SCD30 ADDR */
mcm 1:c5b8dc5cdcee 42 } SCD30_address_t;
mcm 1:c5b8dc5cdcee 43
mcm 1:c5b8dc5cdcee 44
mcm 1:c5b8dc5cdcee 45
mcm 1:c5b8dc5cdcee 46 /**
mcm 1:c5b8dc5cdcee 47 * @brief COMMAND REGISTERS
mcm 1:c5b8dc5cdcee 48 */
mcm 1:c5b8dc5cdcee 49 typedef enum {
mcm 1:c5b8dc5cdcee 50 SCD30_TRIGGERS_CONTINUOUS_MEASUREMENT = 0x0010, /*!< Triggers continuous measurement. Ambient pressure is optional */
mcm 1:c5b8dc5cdcee 51 SCD30_STOP_CONTINUOUS_MEASUREMENT = 0x0104, /*!< Stop continuous measurement */
mcm 1:c5b8dc5cdcee 52 SCD30_SET_MEASUREMENT_INTERVAL = 0x4600, /*!< Set measurement interval for continuous measurement mode */
mcm 1:c5b8dc5cdcee 53 SCD30_GET_DATA_READY_STATUS = 0x0202, /*!< Data ready status */
mcm 1:c5b8dc5cdcee 54 SCD30_READ_MEASUREMENT = 0x0300, /*!< Reads a single measurement of C02 concentration */
mcm 1:c5b8dc5cdcee 55 SCD30_CONTINUOUS_AUTOMATIC_SELF_CALIBRATION = 0x5306, /*!< Continuous automatic self-calibration can be (de-)activated */
mcm 1:c5b8dc5cdcee 56 SCD30_SET_FORCED_RECALIBRATION = 0x5204, /*!< Forced recalibration (FRC) */
mcm 1:c5b8dc5cdcee 57 SCD30_SET_TEMPERATURE_OFFSET = 0x5403, /*!< Temperature offset */
mcm 1:c5b8dc5cdcee 58 SCD30_SET_ALTITUDE_COMPENSATION = 0x5102, /*!< Altitude compensation */
mcm 1:c5b8dc5cdcee 59 SCD30_FIRMWARE_VERSION = 0xD100, /*!< Firmware version */
mcm 1:c5b8dc5cdcee 60 SCD30_SOFTRESET = 0xD304 /*!< Software reset: Restart the sensor */
mcm 1:c5b8dc5cdcee 61 } SCD30_command_registers_t;
mcm 1:c5b8dc5cdcee 62
mcm 1:c5b8dc5cdcee 63
mcm 1:c5b8dc5cdcee 64
mcm 1:c5b8dc5cdcee 65 /**
mcm 1:c5b8dc5cdcee 66 * @brief GET DATA READY STATUS.
mcm 1:c5b8dc5cdcee 67 * NOTE: N/A.
mcm 1:c5b8dc5cdcee 68 */
mcm 1:c5b8dc5cdcee 69 /* BIT <0>
mcm 1:c5b8dc5cdcee 70 * NOTE: N/A.
mcm 1:c5b8dc5cdcee 71 */
mcm 1:c5b8dc5cdcee 72 typedef enum {
mcm 1:c5b8dc5cdcee 73 GET_READY_STATUS_BIT_MASK = ( 1U << 0U ), /*!< BIT mask */
mcm 1:c5b8dc5cdcee 74 GET_READY_STATUS_BIT_DATA_NO_READY = ( 0U << 0U ), /*!< Measurement is not ready to be read from the sensor */
mcm 1:c5b8dc5cdcee 75 GET_READY_STATUS_BIT_DATA_READY = ( 1U << 0U ) /*!< Measurement is ready to be read from the sensor */
mcm 1:c5b8dc5cdcee 76 } SCD30_get_ready_status_bit_t;
mcm 1:c5b8dc5cdcee 77
mcm 1:c5b8dc5cdcee 78
mcm 1:c5b8dc5cdcee 79 /**
mcm 1:c5b8dc5cdcee 80 * @brief CONTINUOUS AUTOMATIC SELF CALIBRATION.
mcm 1:c5b8dc5cdcee 81 * NOTE: N/A.
mcm 1:c5b8dc5cdcee 82 */
mcm 1:c5b8dc5cdcee 83 /* ASC <0>
mcm 1:c5b8dc5cdcee 84 * NOTE: N/A.
mcm 1:c5b8dc5cdcee 85 */
mcm 1:c5b8dc5cdcee 86 typedef enum {
mcm 1:c5b8dc5cdcee 87 CONTINUOUS_AUTOMATIC_SELF_CALIBRATION_ASC_MASK = ( 1U << 0U ), /*!< ASC mask */
mcm 1:c5b8dc5cdcee 88 CONTINUOUS_AUTOMATIC_SELF_CALIBRATION_ASC_DEACTIVATE = ( 0U << 0U ), /*!< Deactivate continuous ASC */
mcm 1:c5b8dc5cdcee 89 CONTINUOUS_AUTOMATIC_SELF_CALIBRATION_ASC_ACTIVATE = ( 1U << 0U ) /*!< Activate continuous ASC */
mcm 1:c5b8dc5cdcee 90 } SCD30_continuous_auto_selfcal_t;
mcm 1:c5b8dc5cdcee 91
mcm 1:c5b8dc5cdcee 92
mcm 1:c5b8dc5cdcee 93 /**
mcm 1:c5b8dc5cdcee 94 * @brief CRC-8.
mcm 1:c5b8dc5cdcee 95 * NOTE: Polynomial: 0x31 (x^8 + x^5 + x^4 + 1)
mcm 1:c5b8dc5cdcee 96 * Initialization: 0xFF
mcm 1:c5b8dc5cdcee 97 * Final XOR: 0x00.
mcm 1:c5b8dc5cdcee 98 */
mcm 1:c5b8dc5cdcee 99 #define SCD30_CRC8_POLYNOMIAL 0x31 /*!< SCD30 CRC-8: Polynomial */
mcm 1:c5b8dc5cdcee 100 #define SCD30_CRC8_INITIALIZATION 0xFF /*!< SCD30 CRC-8: Initialization */
mcm 1:c5b8dc5cdcee 101 #define SCD30_CRC8_FINAL_XOR 0x00 /*!< SCD30 CRC-8: Final XOR */
mcm 1:c5b8dc5cdcee 102
mcm 1:c5b8dc5cdcee 103
mcm 1:c5b8dc5cdcee 104
mcm 1:c5b8dc5cdcee 105
mcm 1:c5b8dc5cdcee 106
mcm 1:c5b8dc5cdcee 107
mcm 1:c5b8dc5cdcee 108 #ifndef SCD30_VECTOR_STRUCT_H
mcm 1:c5b8dc5cdcee 109 #define SCD30_VECTOR_STRUCT_H
mcm 1:c5b8dc5cdcee 110 /* Firmware version */
mcm 1:c5b8dc5cdcee 111 typedef struct {
mcm 1:c5b8dc5cdcee 112 uint8_t version_major;
mcm 1:c5b8dc5cdcee 113 uint8_t version_minor;
mcm 1:c5b8dc5cdcee 114 } SCD30_fw_version_t;
mcm 1:c5b8dc5cdcee 115
mcm 1:c5b8dc5cdcee 116
mcm 1:c5b8dc5cdcee 117 /* Raw measurement data */
mcm 1:c5b8dc5cdcee 118 typedef struct {
mcm 1:c5b8dc5cdcee 119 uint8_t co2_mmsb;
mcm 1:c5b8dc5cdcee 120 uint8_t co2_mlsb;
mcm 1:c5b8dc5cdcee 121 uint8_t co2_mmsb_mlsb_crc;
mcm 1:c5b8dc5cdcee 122
mcm 1:c5b8dc5cdcee 123 uint8_t co2_lmsb;
mcm 1:c5b8dc5cdcee 124 uint8_t co2_llsb;
mcm 1:c5b8dc5cdcee 125 uint8_t co2_lmsb_llsb_crc;
mcm 1:c5b8dc5cdcee 126
mcm 1:c5b8dc5cdcee 127 uint8_t temperature_mmsb;
mcm 1:c5b8dc5cdcee 128 uint8_t temperature_mlsb;
mcm 1:c5b8dc5cdcee 129 uint8_t temperature_mmsb_mlsb_crc;
mcm 1:c5b8dc5cdcee 130
mcm 1:c5b8dc5cdcee 131 uint8_t temperature_lmsb;
mcm 1:c5b8dc5cdcee 132 uint8_t temperature_llsb;
mcm 1:c5b8dc5cdcee 133 uint8_t temperature_lmsb_llsb_crc;
mcm 1:c5b8dc5cdcee 134
mcm 1:c5b8dc5cdcee 135 uint8_t humidity_mmsb;
mcm 1:c5b8dc5cdcee 136 uint8_t humidity_mlsb;
mcm 1:c5b8dc5cdcee 137 uint8_t humidity_mmsb_mlsb_crc;
mcm 1:c5b8dc5cdcee 138
mcm 1:c5b8dc5cdcee 139 uint8_t humidity_lmsb;
mcm 1:c5b8dc5cdcee 140 uint8_t humidity_llsb;
mcm 1:c5b8dc5cdcee 141 uint8_t humidity_lmsb_llsb_crc;
mcm 1:c5b8dc5cdcee 142 } SCD30_raw_output_data_t;
mcm 1:c5b8dc5cdcee 143
mcm 1:c5b8dc5cdcee 144
mcm 1:c5b8dc5cdcee 145 /* Measurement processed data */
mcm 1:c5b8dc5cdcee 146 typedef struct {
mcm 1:c5b8dc5cdcee 147 float co2;
mcm 1:c5b8dc5cdcee 148 float temperature;
mcm 1:c5b8dc5cdcee 149 float humidity;
mcm 1:c5b8dc5cdcee 150 } SCD30_processed_data_t;
mcm 1:c5b8dc5cdcee 151
mcm 1:c5b8dc5cdcee 152
mcm 1:c5b8dc5cdcee 153 /* Measurement data: Raw and processed data */
mcm 1:c5b8dc5cdcee 154 typedef struct {
mcm 1:c5b8dc5cdcee 155 SCD30_raw_output_data_t raw;
mcm 1:c5b8dc5cdcee 156 SCD30_processed_data_t processed;
mcm 1:c5b8dc5cdcee 157 } SCD30_output_data_t;
mcm 1:c5b8dc5cdcee 158
mcm 1:c5b8dc5cdcee 159
mcm 1:c5b8dc5cdcee 160
mcm 1:c5b8dc5cdcee 161
mcm 1:c5b8dc5cdcee 162 /* USER: User's variables */
mcm 1:c5b8dc5cdcee 163 typedef struct {
mcm 1:c5b8dc5cdcee 164 /* Output data */
mcm 1:c5b8dc5cdcee 165 SCD30_output_data_t data; /*< Data (processed and raw): CO2, Temperature and Humidity */
mcm 1:c5b8dc5cdcee 166
mcm 1:c5b8dc5cdcee 167 /* Pressure compensation */
mcm 1:c5b8dc5cdcee 168 uint16_t pressure_compensation; /*< 0 (desactivates pressure compensation) or [700 - 1400]. Pressure in mBar */
mcm 1:c5b8dc5cdcee 169
mcm 1:c5b8dc5cdcee 170 /* Set measurement interval */
mcm 1:c5b8dc5cdcee 171 uint16_t measurement_interval; /*< [2 - 1800]. Interval in seconds */
mcm 1:c5b8dc5cdcee 172
mcm 1:c5b8dc5cdcee 173 /* Status */
mcm 1:c5b8dc5cdcee 174 SCD30_get_ready_status_bit_t status; /*< Measurement is ready to be read from the sensor */
mcm 1:c5b8dc5cdcee 175
mcm 1:c5b8dc5cdcee 176 /* (De-)Activate automatic self-calibration */
mcm 1:c5b8dc5cdcee 177 SCD30_continuous_auto_selfcal_t asc; /*< Continuos automatic self-calibration */
mcm 1:c5b8dc5cdcee 178
mcm 1:c5b8dc5cdcee 179 /* Forced recalibration */
mcm 1:c5b8dc5cdcee 180 uint16_t frc; /*< Value of C02 concentration in ppm */
mcm 1:c5b8dc5cdcee 181
mcm 1:c5b8dc5cdcee 182 /* Set temperature offset */
mcm 1:c5b8dc5cdcee 183 uint16_t temperature_offset; /*< Value of Temperature offset. [°C x 100]. One tick corresponds to 0.01 C */
mcm 1:c5b8dc5cdcee 184
mcm 1:c5b8dc5cdcee 185 /* Altitude compensation */
mcm 1:c5b8dc5cdcee 186 uint16_t altitude_compensation; /*< Altitude compensation value. Height over sea level in [m] above 0 */
mcm 1:c5b8dc5cdcee 187
mcm 1:c5b8dc5cdcee 188 /* Firmware version */
mcm 1:c5b8dc5cdcee 189 SCD30_fw_version_t firmware; /*< Firmware version */
mcm 1:c5b8dc5cdcee 190 } SCD30_data_t;
mcm 1:c5b8dc5cdcee 191 #endif
mcm 1:c5b8dc5cdcee 192
mcm 1:c5b8dc5cdcee 193
mcm 1:c5b8dc5cdcee 194
mcm 1:c5b8dc5cdcee 195
mcm 1:c5b8dc5cdcee 196 /**
mcm 1:c5b8dc5cdcee 197 * @brief INTERNAL CONSTANTS
mcm 1:c5b8dc5cdcee 198 */
mcm 1:c5b8dc5cdcee 199 typedef enum {
mcm 1:c5b8dc5cdcee 200 SCD30_SUCCESS = 0,
mcm 1:c5b8dc5cdcee 201 SCD30_FAILURE = 1,
mcm 1:c5b8dc5cdcee 202 SCD30_DATA_CORRUPTED = 2,
mcm 1:c5b8dc5cdcee 203 I2C_SUCCESS = 0
mcm 1:c5b8dc5cdcee 204 } SCD30_status_t;
mcm 1:c5b8dc5cdcee 205
mcm 1:c5b8dc5cdcee 206
mcm 1:c5b8dc5cdcee 207
mcm 1:c5b8dc5cdcee 208 /**
mcm 1:c5b8dc5cdcee 209 * @brief FUNCTION PROTOTYPES
mcm 1:c5b8dc5cdcee 210 */
mcm 1:c5b8dc5cdcee 211 /** Create an SCD30 object connected to the specified I2C pins.
mcm 1:c5b8dc5cdcee 212 *
mcm 1:c5b8dc5cdcee 213 * @param sda I2C data pin
mcm 1:c5b8dc5cdcee 214 * @param scl I2C clock pin
mcm 1:c5b8dc5cdcee 215 * @param addr I2C slave address
mcm 1:c5b8dc5cdcee 216 * @param freq I2C frequency in Hz.
mcm 1:c5b8dc5cdcee 217 */
mcm 1:c5b8dc5cdcee 218 SCD30 ( PinName sda, PinName scl, uint32_t addr, uint32_t freq );
mcm 1:c5b8dc5cdcee 219
mcm 1:c5b8dc5cdcee 220 /** Delete SCD30 object.
mcm 1:c5b8dc5cdcee 221 */
mcm 1:c5b8dc5cdcee 222 ~SCD30();
mcm 1:c5b8dc5cdcee 223
mcm 1:c5b8dc5cdcee 224 /** It configures the I2C peripheral.
mcm 1:c5b8dc5cdcee 225 */
mcm 1:c5b8dc5cdcee 226 SCD30_status_t SCD30_Init ( void );
mcm 1:c5b8dc5cdcee 227
mcm 1:c5b8dc5cdcee 228 /** It triggers continuous measurement with or without ambient pressure compensation.
mcm 1:c5b8dc5cdcee 229 */
mcm 1:c5b8dc5cdcee 230 SCD30_status_t SCD30_TriggerContinuousMeasurement ( uint16_t pressure_compensation );
mcm 1:c5b8dc5cdcee 231
mcm 1:c5b8dc5cdcee 232 /** It stops the continuous measurement.
mcm 1:c5b8dc5cdcee 233 */
mcm 1:c5b8dc5cdcee 234 SCD30_status_t SCD30_StopContinuousMeasurement ( void );
mcm 1:c5b8dc5cdcee 235
mcm 1:c5b8dc5cdcee 236 /** It sets the measurement interval.
mcm 1:c5b8dc5cdcee 237 */
mcm 1:c5b8dc5cdcee 238 SCD30_status_t SCD30_SetMeasurementInterval ( uint16_t measurement_interval );
mcm 1:c5b8dc5cdcee 239
mcm 1:c5b8dc5cdcee 240 /** It gets the measurement interval.
mcm 1:c5b8dc5cdcee 241 */
mcm 1:c5b8dc5cdcee 242 SCD30_status_t SCD30_GetMeasurementInterval ( uint16_t* measurement_interval );
mcm 1:c5b8dc5cdcee 243
mcm 1:c5b8dc5cdcee 244 /** It gets the status when the data is ready to be read.
mcm 1:c5b8dc5cdcee 245 */
mcm 1:c5b8dc5cdcee 246 SCD30_status_t SCD30_GetDataReadyStatus ( SCD30_get_ready_status_bit_t* status );
mcm 1:c5b8dc5cdcee 247
mcm 1:c5b8dc5cdcee 248 /** It gets all the raw data.
mcm 1:c5b8dc5cdcee 249 */
mcm 1:c5b8dc5cdcee 250 SCD30_status_t SCD30_ReadRawMeasurement ( SCD30_raw_output_data_t* raw_data );
mcm 1:c5b8dc5cdcee 251
mcm 1:c5b8dc5cdcee 252 /** It gets all the data.
mcm 1:c5b8dc5cdcee 253 */
mcm 1:c5b8dc5cdcee 254 SCD30_status_t SCD30_ReadMeasurement ( SCD30_output_data_t* data );
mcm 1:c5b8dc5cdcee 255
mcm 1:c5b8dc5cdcee 256 /** It enables/disables the continuous automatic self-calibration.
mcm 1:c5b8dc5cdcee 257 */
mcm 1:c5b8dc5cdcee 258 SCD30_status_t SCD30_SetContinuousASC ( SCD30_continuous_auto_selfcal_t asc );
mcm 1:c5b8dc5cdcee 259
mcm 1:c5b8dc5cdcee 260 /** It gets the continuous automatic self-calibration bit.
mcm 1:c5b8dc5cdcee 261 */
mcm 1:c5b8dc5cdcee 262 SCD30_status_t SCD30_GetContinuousASC ( SCD30_continuous_auto_selfcal_t* asc );
mcm 1:c5b8dc5cdcee 263
mcm 1:c5b8dc5cdcee 264 /** It sets the forced recalibration value.
mcm 1:c5b8dc5cdcee 265 */
mcm 1:c5b8dc5cdcee 266 SCD30_status_t SCD30_SetForcedRecalibrationValue ( uint16_t frc );
mcm 1:c5b8dc5cdcee 267
mcm 1:c5b8dc5cdcee 268 /** It gets the forced recalibration value.
mcm 1:c5b8dc5cdcee 269 */
mcm 1:c5b8dc5cdcee 270 SCD30_status_t SCD30_GetForcedRecalibrationValue ( uint16_t* frc );
mcm 1:c5b8dc5cdcee 271
mcm 1:c5b8dc5cdcee 272 /** It sets the temperature offset value.
mcm 1:c5b8dc5cdcee 273 */
mcm 1:c5b8dc5cdcee 274 SCD30_status_t SCD30_SetTemperatureOffsetValue ( uint16_t temp_offset );
mcm 1:c5b8dc5cdcee 275
mcm 1:c5b8dc5cdcee 276 /** It gets the temperature offset value.
mcm 1:c5b8dc5cdcee 277 */
mcm 1:c5b8dc5cdcee 278 SCD30_status_t SCD30_GetTemperatureOffsetValue ( uint16_t* temp_offset );
mcm 1:c5b8dc5cdcee 279
mcm 1:c5b8dc5cdcee 280 /** It sets the altitude compensation value.
mcm 1:c5b8dc5cdcee 281 */
mcm 1:c5b8dc5cdcee 282 SCD30_status_t SCD30_SetAltitudeCompensationValue ( uint16_t alt_comp );
mcm 1:c5b8dc5cdcee 283
mcm 1:c5b8dc5cdcee 284 /** It gets the altitude compensation value.
mcm 1:c5b8dc5cdcee 285 */
mcm 1:c5b8dc5cdcee 286 SCD30_status_t SCD30_GetAltitudeCompensationValue ( uint16_t* alt_comp );
mcm 1:c5b8dc5cdcee 287
mcm 1:c5b8dc5cdcee 288 /** It gets the firmware version value.
mcm 1:c5b8dc5cdcee 289 */
mcm 1:c5b8dc5cdcee 290 SCD30_status_t SCD30_GetFirmwareVersion ( SCD30_fw_version_t* fw );
mcm 1:c5b8dc5cdcee 291
mcm 1:c5b8dc5cdcee 292 /** It performs a software reset.
mcm 1:c5b8dc5cdcee 293 */
mcm 1:c5b8dc5cdcee 294 SCD30_status_t SCD30_SoftReset ( void );
mcm 1:c5b8dc5cdcee 295
mcm 2:0d0174b46fd3 296 private:
mcm 1:c5b8dc5cdcee 297 /** It calculates the I2C checksum calculation (CRC-8).
mcm 1:c5b8dc5cdcee 298 */
mcm 1:c5b8dc5cdcee 299 uint8_t SCD30_CalculateI2C_CRC8 ( uint16_t seed );
mcm 2:0d0174b46fd3 300
mcm 1:c5b8dc5cdcee 301 I2C _i2c;
mcm 1:c5b8dc5cdcee 302 uint32_t _SCD30_Addr;
mcm 1:c5b8dc5cdcee 303 };
mcm 1:c5b8dc5cdcee 304
mcm 1:c5b8dc5cdcee 305 #endif /* SCD30_H */