I used Arduino UNO to collect environment data with DFrobot-BME680, It is work with the example code without IAQ, but when I want to use IAQ code to see the results, these errors coming: Arduino: 1.8.13 (Windows Store 1.8.42.0) (Windows 10), Board: "Arduino Uno" C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c: In function 'bme680_bsec_update_subscription': C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:122:46: error: 'BSEC_OUTPUT_IAQ' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_RAW_GAS'? requested_virtual_sensors[0].sensor_id = BSEC_OUTPUT_IAQ; ^~~~~~~~~~~~~~~ BSEC_OUTPUT_RAW_GAS C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:122:46: note: each undeclared identifier is reported only once for each function it appears in C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:136:46: error: 'BSEC_OUTPUT_STATIC_IAQ' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_IAQ'? requested_virtual_sensors[7].sensor_id = BSEC_OUTPUT_STATIC_IAQ; ^~~~~~~~~~~~~~~~~~~~~~ BSEC_OUTPUT_IAQ C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c: At top level: C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:159:20: error: conflicting types for 'bsec_iot_init' return_values_init bsec_iot_init(float sample_rate, float temperature_offset, bme680_com_fptr_t bus_write, ^~~~~~~~~~~~~ In file included from C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:81:0: C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.h:140:20: note: previous declaration of 'bsec_iot_init' was here return_values_init bsec_iot_init(float sample_rate, float temperature_offset, bme680_com_fptr_t bus_write, bme680_com_fptr_t bus_read, ^~~~~~~~~~~~~ C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c: In function 'bsec_iot_init': C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:165:24: error: 'BSEC_MAX_STATE_BLOB_SIZE' undeclared (first use in this function); did you mean 'BSEC_MAX_PROPERTY_BLOB_SIZE'? uint8_t bsec_state[BSEC_MAX_STATE_BLOB_SIZE] = {0}; ^~~~~~~~~~~~~~~~~~~~~~~~ BSEC_MAX_PROPERTY_BLOB_SIZE C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:167:25: error: 'BSEC_MAX_WORKBUFFER_SIZE' undeclared (first use in this function); did you mean 'BSEC_MAX_STATE_BLOB_SIZE'? uint8_t work_buffer[BSEC_MAX_WORKBUFFER_SIZE] = {0}; ^~~~~~~~~~~~~~~~~~~~~~~~ BSEC_MAX_STATE_BLOB_SIZE C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c: In function 'bme680_bsec_process_data': C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:424:22: error: 'BSEC_OUTPUT_IAQ' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_RAW_GAS'? case BSEC_OUTPUT_IAQ: ^~~~~~~~~~~~~~~ BSEC_OUTPUT_RAW_GAS C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:428:22: error: 'BSEC_OUTPUT_STATIC_IAQ' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_IAQ'? case BSEC_OUTPUT_STATIC_IAQ: ^~~~~~~~~~~~~~~~~~~~~~ BSEC_OUTPUT_IAQ C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:432:22: error: 'BSEC_OUTPUT_CO2_EQUIVALENT' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_IAQ_ESTIMATE'? case BSEC_OUTPUT_CO2_EQUIVALENT: ^~~~~~~~~~~~~~~~~~~~~~~~~~ BSEC_OUTPUT_IAQ_ESTIMATE C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:436:22: error: 'BSEC_OUTPUT_BREATH_VOC_EQUIVALENT' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_CO2_EQUIVALENT'? case BSEC_OUTPUT_BREATH_VOC_EQUIVALENT: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ BSEC_OUTPUT_CO2_EQUIVALENT C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:458:22: error: 'BSEC_OUTPUT_COMPENSATED_GAS' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_RAW_GAS'? case BSEC_OUTPUT_COMPENSATED_GAS: ^~~~~~~~~~~~~~~~~~~~~~~~~~~ BSEC_OUTPUT_RAW_GAS C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:462:22: error: 'BSEC_OUTPUT_GAS_PERCENTAGE' undeclared (first use in this function); did you mean 'BSEC_OUTPUT_RAW_PRESSURE'? case BSEC_OUTPUT_GAS_PERCENTAGE: ^~~~~~~~~~~~~~~~~~~~~~~~~~ BSEC_OUTPUT_RAW_PRESSURE C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:475:9: error: too many arguments to function 'output_ready' output_ready(timestamp, iaq, iaq_accuracy, temp, humidity, raw_pressure, raw_temp, ^~~~~~~~~~~~ C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c: At top level: C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:491:6: error: conflicting types for 'bsec_iot_loop' void bsec_iot_loop(sleep_fct sleep, get_timestamp_us_fct get_timestamp_us, output_ready_fct output_ready, ^~~~~~~~~~~~~ In file included from C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:81:0: C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.h:154:8: note: previous declaration of 'bsec_iot_loop' was here int8_t bsec_iot_loop(sleep_fct sleep, get_timestamp_us_fct get_timestamp_us, output_ready_fct output_ready); ^~~~~~~~~~~~~ C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c: In function 'bsec_iot_loop': C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:508:24: error: 'BSEC_MAX_STATE_BLOB_SIZE' undeclared (first use in this function); did you mean 'BSEC_MAX_PROPERTY_BLOB_SIZE'? uint8_t bsec_state[BSEC_MAX_STATE_BLOB_SIZE]; ^~~~~~~~~~~~~~~~~~~~~~~~ BSEC_MAX_PROPERTY_BLOB_SIZE C:\Users\mehrd\Documents\Arduino\libraries\DFRobot_BME680-master\bsec_integration.c:509:25: error: 'BSEC_MAX_WORKBUFFER_SIZE' undeclared (first use in this function); did you mean 'BSEC_MAX_STATE_BLOB_SIZE'? uint8_t work_buffer[BSEC_MAX_WORKBUFFER_SIZE]; ^~~~~~~~~~~~~~~~~~~~~~~~ BSEC_MAX_STATE_BLOB_SIZE exit status 1 Error compiling for board Arduino Uno. This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences. I used to change the parameters for platform.txt and installed different libraries but still not working
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