Go to the documentation of this file.
28 #ifndef ENVIRONMENT2_H
29 #define ENVIRONMENT2_H
35 #include "drv_digital_out.h"
36 #include "drv_digital_in.h"
37 #include "drv_i2c_master.h"
59 #define ENVIRONMENT2_SGP40_CMD_MEASURE_RAW 0x260F
60 #define ENVIRONMENT2_SGP40_CMD_MEASURE_TEST 0x280E
61 #define ENVIRONMENT2_SGP40_CMD_HEATER_OFF 0x3615
62 #define ENVIRONMENT2_SGP40_CMD_SOFT_RESET 0x0006
68 #define ENVIRONMENT2_SHT40_CMD_MEASURE_T_RH_HIGH_PRECISION 0xFD
69 #define ENVIRONMENT2_SHT40_CMD_MEASURE_T_RH_MEDIUM_PRECISION 0xF6
70 #define ENVIRONMENT2_SHT40_CMD_MEASURE_T_RH_LOWEST_PRECISION 0xE0
71 #define ENVIRONMENT2_SHT40_CMD_READ_SERIAL 0x89
72 #define ENVIRONMENT2_SHT40_CMD_SOFT_RESET 0x94
73 #define ENVIRONMENT2_SHT40_CMD_ACTIVATE_HIGHEST_HEATER_1SEC 0x39
74 #define ENVIRONMENT2_SHT40_CMD_ACTIVATE_HIGHEST_HEATER_0_1SEC 0x32
75 #define ENVIRONMENT2_SHT40_CMD_ACTIVATE_MEDIUM_HEATER_1SEC 0x2F
76 #define ENVIRONMENT2_SHT40_CMD_ACTIVATE_MEDIUM_HEATER_0_1SEC 0x24
77 #define ENVIRONMENT2_SHT40_CMD_ACTIVATE_LOWEST_HEATER_1SEC 0x1E
78 #define ENVIRONMENT2_SHT40_CMD_ACTIVATE_LOWEST_HEATER_0_1SEC 0x15
97 #define ENVIRONMENT2_SGP40_SET_DEV_ADDR 0x59
98 #define ENVIRONMENT2_SHT40_SET_DEV_ADDR 0x44
105 #define ENVIRONMENT2_SEL_SGP40 0x00
106 #define ENVIRONMENT2_SEL_SHT40 0x01
114 ((fix16_t)(((x) >= 0) ? ((x)*65536.0 + 0.5) : ((x)*65536.0 - 0.5)))
115 #define VocAlgorithm_SAMPLING_INTERVAL (1.)
116 #define VocAlgorithm_INITIAL_BLACKOUT (45.)
117 #define VocAlgorithm_VOC_INDEX_GAIN (230.)
118 #define VocAlgorithm_SRAW_STD_INITIAL (50.)
119 #define VocAlgorithm_SRAW_STD_BONUS (220.)
120 #define VocAlgorithm_TAU_MEAN_VARIANCE_HOURS (12.)
121 #define VocAlgorithm_TAU_INITIAL_MEAN (20.)
122 #define VocAlgorithm_INIT_DURATION_MEAN ((3600. * 0.75))
123 #define VocAlgorithm_INIT_TRANSITION_MEAN (0.01)
124 #define VocAlgorithm_TAU_INITIAL_VARIANCE (2500.)
125 #define VocAlgorithm_INIT_DURATION_VARIANCE ((3600. * 1.45))
126 #define VocAlgorithm_INIT_TRANSITION_VARIANCE (0.01)
127 #define VocAlgorithm_GATING_THRESHOLD (340.)
128 #define VocAlgorithm_GATING_THRESHOLD_INITIAL (510.)
129 #define VocAlgorithm_GATING_THRESHOLD_TRANSITION (0.09)
130 #define VocAlgorithm_GATING_MAX_DURATION_MINUTES ((60. * 3.))
131 #define VocAlgorithm_GATING_MAX_RATIO (0.3)
132 #define VocAlgorithm_SIGMOID_L (500.)
133 #define VocAlgorithm_SIGMOID_K (-0.0065)
134 #define VocAlgorithm_SIGMOID_X0 (213.)
135 #define VocAlgorithm_VOC_INDEX_OFFSET_DEFAULT (100.)
136 #define VocAlgorithm_LP_TAU_FAST (20.0)
137 #define VocAlgorithm_LP_TAU_SLOW (500.0)
138 #define VocAlgorithm_LP_ALPHA (-0.2)
139 #define VocAlgorithm_PERSISTENCE_UPTIME_GAMMA ((3. * 3600.))
140 #define VocAlgorithm_MEAN_VARIANCE_ESTIMATOR__GAMMA_SCALING (64.)
141 #define VocAlgorithm_MEAN_VARIANCE_ESTIMATOR__FIX16_MAX (32767.)
154 #define ENVIRONMENT2_SGP40_TEST_PASSED 0xD400
155 #define ENVIRONMENT2_SGP40_TEST_FAILED 0x4B00
174 #define ENVIRONMENT2_MAP_MIKROBUS( cfg, mikrobus ) \
175 cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
176 cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA )
193 uint8_t slave_address;
226 fix16_t m_Mean_Variance_Estimator__Gating_Max_Duration_Minutes;
227 bool m_Mean_Variance_Estimator___Initialized;
229 fix16_t m_Mean_Variance_Estimator___Sraw_Offset;
232 fix16_t m_Mean_Variance_Estimator___Gamma_Initial_Mean;
233 fix16_t m_Mean_Variance_Estimator___Gamma_Initial_Variance;
234 fix16_t m_Mean_Variance_Estimator__Gamma_Mean;
235 fix16_t m_Mean_Variance_Estimator__Gamma_Variance;
236 fix16_t m_Mean_Variance_Estimator___Uptime_Gamma;
237 fix16_t m_Mean_Variance_Estimator___Uptime_Gating;
238 fix16_t m_Mean_Variance_Estimator___Gating_Duration_Minutes;
239 fix16_t m_Mean_Variance_Estimator___Sigmoid__L;
240 fix16_t m_Mean_Variance_Estimator___Sigmoid__K;
241 fix16_t m_Mean_Variance_Estimator___Sigmoid__X0;
247 bool m_Adaptive_Lowpass___Initialized;
250 fix16_t m_Adaptive_Lowpass___X3;
519 #endif // ENVIRONMENT2_H
environment2_return_value_t
Environment 2 Click return value data.
Definition: environment2.h:256
err_t environment2_get_voc_index(environment2_t *ctx, int32_t *voc_index)
Environment 2 get VOC index function.
Environment 2 Click VOC algorithm object.
Definition: environment2.h:217
void environment2_cfg_setup(environment2_cfg_t *cfg)
Environment 2 configuration object setup function.
int32_t fix16_t
Definition: environment2.h:210
Definition: environment2.h:258
err_t environment2_voc_algorithm_process(environment2_voc_algorithm_params *params, int32_t sraw, int32_t *voc_index)
Environment 2 VOC algorithm process function.
Definition: environment2.h:259
err_t environment2_get_air_quality(environment2_t *ctx, uint16_t *air_quality)
Environment 2 get air quality data function.
err_t environment2_measure_voc_index_with_rh_t(environment2_t *ctx, int32_t *voc_index, int32_t *relative_humidity, int32_t *temperature)
Environment 2 measure VOC index with relative humidity and temperature function.
err_t environment2_generic_read(environment2_t *ctx, uint8_t select_device, uint16_t cmd, uint8_t *rx_buf)
Environment 2 I2C reading function.
uint16_t environment2_sgp40_measure_test(environment2_t *ctx)
Environment 2 SGP40 measurement test function.
Environment 2 Click context object.
Definition: environment2.h:184
err_t environment2_sgp40_soft_reset(environment2_t *ctx)
Environment 2 soft reset function.
err_t environment2_sgp40_heater_off(environment2_t *ctx)
Environment 2 heater off function.
err_t environment2_get_temp_hum(environment2_t *ctx, float *humidity, float *temperature)
Environment 2 get temperature and relative humidity function.
err_t environment2_generic_write(environment2_t *ctx, uint8_t select_device, uint16_t cmd, uint8_t *tx_buf)
Environment 2 I2C writing function.
err_t environment2_voc_algorithm_configuration(environment2_voc_algorithm_params *params)
Environment 2 VOC algorithm configuration function.
err_t environment2_init(environment2_t *ctx, environment2_cfg_t *cfg)
Environment 2 initialization function.
Environment 2 Click configuration object.
Definition: environment2.h:200
err_t environment2_config_sensors(void)
Environment 2 sensors configuration function.