Merge pull request #85 from bstbud/fea_bsec2_with_webupdate

add support for BSEC2 library features

Arduino_BHY2/examples/BSEC2GasScannerClassify/BSEC2GasScannerClassify.ino

@@ -0,0 +1,43 @@
+/* 
+ * This sketch shows how the Nicla board could be used to scan / classify certian gases of interest 
+ * using the on-board BME688 4-in-1 evnironmental sensor cluster
+ *
+*/
+
+#include "Arduino.h"
+#include "Arduino_BHY2.h"
+
+SensorBSEC2 bsec2(SENSOR_ID_BSEC2);
+
+const uint8_t BSEC2CONFIG[] =      
+//With this example configuration, the BSEC2 library is able to classify 2 types of gases:
+//gas 0: ambient regular air in a room
+//gas 1: alcohol in a container
+//note that the data collected for training the classifying algorithm was rather limited, 
+//thus the example config string for classifying might not work for your particular settings,
+//for optimal results, please collect the data in your settings of interest and generate the config string using the AI studio accordingly
+//generally speaking, more data under different scenarios yields better performance
+     {0,0,2,2,189,1,0,0,0,0,0,0,213,8,0,0,52,0,1,0,0,168,19,73,64,49,119,76,0,192,40,72,0,192,40,72,137,65,0,191,205,204,204,190,0,0,64,191,225,122,148,190,10,0,3,0,216,85,0,100,0,0,96,64,23,183,209,56,28,0,2,0,0,244,1,150,0,50,0,0,128,64,0,0,32,65,144,1,0,0,112,65,0,0,0,63,16,0,3,0,10,215,163,60,10,215,35,59,10,215,35,59,13,0,5,0,0,0,0,0,100,254,131,137,87,88,0,9,0,7,240,150,61,0,0,0,0,0,0,0,0,28,124,225,61,52,128,215,63,0,0,160,64,0,0,0,0,0,0,0,0,205,204,12,62,103,213,39,62,230,63,76,192,0,0,0,0,0,0,0,0,145,237,60,191,251,58,64,63,177,80,131,64,0,0,0,0,0,0,0,0,93,254,227,62,54,60,133,191,0,0,64,64,12,0,10,0,0,0,0,0,0,0,0,0,173,6,11,0,0,0,2,231,201,67,189,125,37,201,61,179,41,106,189,97,167,196,61,84,172,113,62,155,213,214,61,133,10,114,61,62,67,214,61,56,97,57,62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,42,215,83,190,42,215,83,62,0,0,0,0,0,0,0,0,97,101,165,61,88,151,51,190,184,89,165,62,240,207,20,191,47,208,53,63,177,43,63,190,176,56,145,189,228,194,10,191,173,194,44,191,0,0,0,0,146,253,150,61,217,5,157,59,36,134,171,190,159,38,128,59,58,78,29,189,204,88,63,191,210,42,125,190,59,171,228,190,78,165,243,190,0,0,0,0,171,98,187,188,83,234,57,191,66,87,75,62,209,91,130,62,133,244,221,61,242,192,118,190,13,13,52,62,235,86,146,62,147,48,2,191,0,0,0,0,80,192,203,190,252,170,134,189,5,138,208,62,255,220,147,62,184,119,166,62,192,231,125,189,181,36,79,190,124,71,210,62,55,239,13,191,0,0,0,0,226,139,200,189,182,220,91,190,113,205,238,189,235,255,228,190,201,16,66,63,123,50,149,61,80,26,112,62,66,108,128,62,233,205,253,190,0,0,0,0,223,117,24,189,133,115,60,62,197,48,0,189,60,64,194,61,189,86,246,61,185,197,54,189,133,63,90,190,239,233,46,190,14,247,19,191,0,0,0,0,193,26,240,62,151,185,23,190,33,105,234,190,5,24,166,190,197,45,23,63,196,211,145,190,178,103,164,190,125,36,6,191,234,28,114,190,0,0,0,0,136,73,125,62,234,189,27,62,200,69,225,189,15,56,142,190,188,47,134,190,174,248,193,190,221,81,161,190,152,89,51,189,86,157,105,61,0,0,0,0,116,72,209,190,237,104,63,189,60,50,39,189,40,194,15,191,232,34,133,62,163,192,193,61,38,90,147,189,198,159,7,191,240,239,146,61,0,0,0,0,93,146,86,61,185,23,6,62,12,52,10,62,9,82,26,191,186,80,1,63,130,184,195,190,43,204,83,62,73,27,220,189,254,195,200,189,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,63,9,53,212,189,25,224,132,190,0,0,0,0,0,0,0,0,133,45,39,63,65,50,45,191,0,0,0,0,0,0,0,0,76,73,7,62,150,167,209,189,0,0,0,0,0,0,0,0,242,163,107,63,193,223,173,62,0,0,0,0,0,0,0,0,192,205,68,190,213,103,28,63,0,0,0,0,0,0,0,0,60,148,171,62,151,246,154,189,0,0,0,0,0,0,0,0,162,104,218,62,88,44,237,190,0,0,0,0,0,0,0,0,253,226,216,62,249,223,161,189,0,0,0,0,0,0,0,0,168,65,13,190,119,123,179,190,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,160,184,18,72,125,52,223,75,204,85,211,75,119,27,192,75,83,228,150,73,122,154,142,73,133,214,135,73,145,149,237,71,56,196,2,72,221,197,11,72,0,0,0,0,0,0,0,0,0,0,0,0,158,236,10,72,35,30,221,75,206,136,209,75,14,146,190,75,218,105,148,73,65,65,140,73,150,149,133,73,206,248,222,71,219,117,246,71,96,19,4,72,0,0,128,63,0,0,128,63,0,0,128,63,0,0,0,87,1,254,0,2,1,5,48,117,100,0,44,1,112,23,151,7,132,3,197,0,92,4,144,1,64,1,64,1,144,1,48,117,48,117,48,117,48,117,100,0,100,0,100,0,48,117,48,117,48,117,100,0,100,0,48,117,48,117,8,7,8,7,8,7,8,7,8,7,100,0,100,0,100,0,100,0,48,117,48,117,48,117,100,0,100,0,100,0,48,117,48,117,100,0,100,0,255,255,255,255,255,255,255,255,255,255,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,44,1,255,255,255,255,255,255,255,255,255,255,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,8,7,255,255,255,255,255,255,255,255,255,255,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,112,23,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,220,5,220,5,220,5,255,255,255,255,255,255,220,5,220,5,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,48,117,0,1,0,5,0,2,0,10,0,30,0,5,0,5,0,5,0,5,0,5,0,5,0,64,1,100,0,100,0,100,0,200,0,200,0,200,0,64,1,64,1,64,1,10,0,0,0,0,95,8,0,0
+};
+
+void setup()
+{
+  Serial.begin(115200);
+  while(!Serial);
+
+  BHY2.begin();
+  sensortec.bhy2_bsec2_setConfigString(BSEC2CONFIG, sizeof(BSEC2CONFIG)/sizeof(BSEC2CONFIG[0]));
+  bsec2.begin();
+}
+
+void loop()
+{
+  // Update function should be continuously polled
+  BHY2.update(100);
+
+  if (bsec2.getNewDataFlag()) {
+    bsec2.setNewDataFlag(false);
+
+    Serial.println(bsec2.toString());
+  }
+}

Arduino_BHY2/examples/BSEC2GasScannerCollectData/BSEC2GasScannerCollectData.ino

@@ -0,0 +1,52 @@
+/* 
+ * This sketch is used for collecting raw data of BME688, 
+   and the data log after conversion with the helper tools can be used in Bosch Sensortec's AI Studio to train an algorithm 
+   and generate the corresponding config string for the BSEC2 library which can be later used for gas type classification/scanning
+*/
+
+#include "Arduino.h"
+#include "Arduino_BHY2.h"
+
+SensorBSEC2Collector bsec2Collector(SENSOR_ID_BSEC2_COLLECTOR);
+
+#define CONFIG_BSEC2_USE_DEAULT_HP 1
+
+#if CONFIG_BSEC2_USE_DEAULT_HP
+// Default Heater temperature and time base(Recommendation)
+const uint16_t BSEC2HP_TEMP[] = {320, 100, 100, 100, 200, 200, 200, 320, 320, 320}; // HP-354 / 
+const uint16_t BSEC2HP_DUR[] = {5, 2, 10, 30, 5, 5, 5, 5, 5, 5};  // the duration in steps of 140ms, 5 means 700ms, 2 means 280ms
+#else
+// customized Heater temperature and time base
+const uint16_t BSEC2HP_TEMP[] = {100, 320, 320, 200, 200, 200, 320, 320, 320, 320}; // HP-321 / 
+const uint16_t BSEC2HP_DUR[] = {43, 2, 2, 2, 21, 21, 2, 14, 14, 14};  // the duration in steps of 140ms, 5 means 700ms, 2 means 280ms
+#endif
+
+void setup()
+{
+  Serial.begin(115200);
+  while(!Serial);
+
+  BHY2.begin();
+  sensortec.bhy2_bsec2_setHP((uint8_t*)BSEC2HP_TEMP, sizeof(BSEC2HP_TEMP), (uint8_t*)BSEC2HP_DUR, sizeof(BSEC2HP_DUR)); 
+
+  bsec2Collector.begin();
+}
+
+void loop()
+{
+  static auto last_index = 0;
+
+  // Update function should be continuously polled
+  BHY2.update();
+
+  if (last_index != bsec2Collector.gas_index()) {
+    last_index = bsec2Collector.gas_index();
+    Serial.println(String((uint32_t)bsec2Collector.timestamp()) + " " 
+              + String(bsec2Collector.temperature()) + " " 
+              + String(bsec2Collector.pressure()) + " " 
+              + String(bsec2Collector.humidity()) + " " 
+              + String(bsec2Collector.gas()) + " " 
+              + String(bsec2Collector.gas_index()) 
+              );
+  }
+}

Arduino_BHY2/examples/BSEC2GasScannerCollectData/tools/BSEC2DataLogConverter.py

@@ -0,0 +1,245 @@
+from datetime import timezone
+import datetime
+import sys
+import os
+import json
+
+# =~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2022.10.21 08:32:17 =~=~=~=~=~=~=~=~=~=~=~=
+# 245166 31.27 102027.92 35.10 2049537.13 5
+
+# this script converts the data log generated by the Arduino_BHY2/BSEC2GasScanningCollectData.ino example sketch
+# to data format acceptable by the BME AI Studio for the training of AI models
+
+class BSEC2DataLogConverter():
+    # sometimes you may want to add an offset to the converted data in situations such as reset of the board, this way
+    # the converted data contains timestamp that will succeed eariler log files,
+    # otherwise, there will be overlap of timestamp ranges among the converted data which might confuse the AI studio software
+    def __init__(self, log_file_name, gas_label, bmeconfig_file, timestamp_offset_ms = 0, dbg=False):
+        self.log_file_name = log_file_name
+        self.log_file = open(self.log_file_name, 'r')
+        self.lines = self.log_file.readlines()
+        self.log_time_start = None
+        self.log_timestamp_start = 0
+        self.rawdata = []
+        self.gas_label = int(gas_label)
+        self.bmeconfig_file = bmeconfig_file 
+        self.timestamp_offset_ms = timestamp_offset_ms
+        self.dbg = dbg
+        if len(self.lines) < 3:
+            sys.exit("Err: There's too little data in log")
+        self._clean_data()
+        self.check_gas_index_missing()
+
+    def _clean_data(self):
+        # Putty's default log has header which contains the time when the log was created
+        if "PuTTY" in self.lines[0]:
+            # 2022.10.21 07:31:17
+            self.log_time_start = self.lines[0].split(" ")[3] + " " + self.lines[0].split(" ")[4]
+
+        lines_clean = []
+        for line in self.lines[1:]:
+            if len(line.split(' ')) == 6:
+                lines_clean.append(line)
+                #print('line:', '"', line, '"', sep='')
+        self.lines = lines_clean
+
+    def toString(self):
+        print(self.lines)
+
+    def check_gas_index_missing(self):
+        last_index = int(self.lines[0].split(' ')[-1])
+        #for i, line in enumerate(self.lines[1:]):
+        for i, line in enumerate(self.lines[1:-1]):
+            if self.dbg:
+                print('dbg:', i, ':"', line, '"', sep='')
+            cur_index = int(line[-2:-1])
+            # print(cur_index)
+            if (cur_index - last_index != 1) and (cur_index - last_index != -9):
+                print("Missing gas index at line {}, {} {}".format(i+1, cur_index, last_index))
+            last_index = cur_index
+
+    def _get_timestamp_start(self, line):
+        infos = line.split(' ')
+        timestamp_ms_start = int(infos[0])
+        return timestamp_ms_start
+
+    def unpack_data(self, line):
+        infos = line.split(' ')
+        timestamp_ms = int(infos[0])  +  self.timestamp_offset_ms
+        temp = float(infos[1])
+        pres = float(infos[2])
+        hum = float(infos[3])
+        gas = float(infos[4])
+        gas_index = int(infos[5])
+        return (timestamp_ms, temp, pres, hum, gas, gas_index)
+
+    def format_data(self, Ttphg, time_start_s, label, sensor_index=0, sensor_id=1730555495, scanning_mode_ena=1, error_code=0):
+        '''
+            Ttphg: timestamp_ms, temp, pres, hum, gas, gas_index
+        '''
+        return (sensor_index, sensor_id, Ttphg[0], time_start_s + Ttphg[0]//1000 - self.log_timestamp_start // 1000,
+                Ttphg[1], Ttphg[2], Ttphg[3], Ttphg[4], Ttphg[5], scanning_mode_ena, label, error_code)
+
+    def parse(self):
+        if self.log_time_start:
+            dt = datetime.datetime.strptime(self.log_time_start[2:], "%y.%m.%d %H:%M:%S") 
+            utc_timestamp = int(dt.timestamp())
+        else:
+            dt = datetime.datetime.now(timezone.utc)
+            utc_time = dt.replace(tzinfo=timezone.utc)
+            utc_timestamp = int(utc_time.timestamp())
+
+        self.log_timestamp_start = self._get_timestamp_start(self.lines[0])
+        for line in self.lines:
+            # print(line)
+            data_unformated = self.unpack_data(line)
+            data_formated = self.format_data(data_unformated, utc_timestamp, self.gas_label)
+            # print(data_formated)
+            self.rawdata.append(data_formated)
+
+
+    def _modify_incompatible_keys(self, cfg):
+        cfg["configHeader"]["dateCreated"] = ""
+        return cfg
+
+    def _add_raw_data_header(self, cfg):
+        rawDataHeader = {
+                        "counterPowerOnOff": 1,
+                        "seedPowerOnOff": "",
+                        "counterFileLimit": 1,
+                        "dateCreated": "",
+                        "dateCreated_ISO": "",
+                        "firmwareVersion": "0",
+                        "boardId": "1730555495"
+                    }
+        cfg["rawDataHeader"] = rawDataHeader
+        return cfg
+
+    def _add_raw_data_body(self, cfg, data_list):
+        dataColumns = [
+            {
+            "name": "Sensor Index",
+            "unit": "",
+            "format": "integer",
+            "key": "sensor_index"
+            },
+            {
+            "name": "Sensor ID",
+            "unit": "",
+            "format": "integer",
+            "key": "sensor_id"
+            },
+            {
+            "name": "Time Since PowerOn",
+            "unit": "Milliseconds",
+            "format": "integer",
+            "key": "timestamp_since_poweron"
+            },
+            {
+            "name": "Real time clock",
+            "unit": "Unix Timestamp: seconds since Jan 01 1970. (UTC); 0 = missing",
+            "format": "integer",
+            "key": "real_time_clock"
+            },
+            {
+            "name": "Temperature",
+            "unit": "DegreesCelcius",
+            "format": "float",
+            "key": "temperature"
+            },
+            {
+            "name": "Pressure",
+            "unit": "Hectopascals",
+            "format": "float",
+            "key": "pressure"
+            },
+            {
+            "name": "Relative Humidity",
+            "unit": "Percent",
+            "format": "float",
+            "key": "relative_humidity"
+            },
+            {
+            "name": "Resistance Gassensor",
+            "unit": "Ohms",
+            "format": "float",
+            "key": "resistance_gassensor"
+            },
+            {
+            "name": "Heater Profile Step Index",
+            "unit": "",
+            "format": "integer",
+            "key": "heater_profile_step_index"
+            },
+            {
+            "name": "Scanning Mode Enabled",
+            "unit": "",
+            "format": "integer",
+            "key": "scanning_mode_enabled"
+            },
+            {
+            "name": "Label Tag",
+            "unit": "",
+            "format": "integer",
+            "key": "label_tag"
+            },
+            {
+            "name": "Error Code",
+            "unit": "",
+            "format": "integer",
+            "key": "error_code"
+            }
+        ]
+        rawDataBody = {
+            "dataColumns": dataColumns,
+            "dataBlock": data_list
+        }
+
+        cfg["rawDataBody"]= rawDataBody
+
+        return cfg
+
+    def gen_ai_studio_training_data(self):
+        bme_cfg = json.loads(open(self.bmeconfig_file, "r").read())
+        bme_cfg = self._modify_incompatible_keys(bme_cfg)
+        bme_cfg = self._add_raw_data_header(bme_cfg)
+        bme_cfg = self._add_raw_data_body(bme_cfg, self.rawdata)
+        cfg_str = json.dumps(bme_cfg, indent=4)
+        #filename = self.bmeconfig_file.split(".")[0] + "_gas_" + str(self.gas_label) + ".bmerawdata"
+        file_name_base = os.path.basename(self.log_file_name)
+        path_folder = os.path.dirname(self.log_file_name)
+        filename_wo_ext = os.path.splitext(file_name_base)[0]
+
+        filename = path_folder + '/' + "_gas_" + str(self.gas_label) + '_' + filename_wo_ext + ".bmerawdata"
+        if self.dbg:
+            print("dbg: path_folder:", path_folder)
+            print("dbg: filename_wo_ext:", filename_wo_ext)
+            print("dbg: filename:", filename)
+
+        bmerawdata_file = open(filename, "w")
+        bmerawdata_file.write(cfg_str)
+        print('bmedata: ', '"'+filename+'"', 'generated')
+
+
+if __name__ == '__main__':
+    """
+        Make sure to change gas_label if you collect multiple gas, choose from 0,1,2,3.
+    """
+    if (len(sys.argv) < 4):
+        print("usage:")
+        print("\tpython", sys.argv[0], "LOG_FILENAME GAS_LABEL_NUMBER BME_CONFIG_FILE")
+        print("\t\t GAS_CLASS_NUMBER is a number between 0-3 which is mapped to class A-D in the algorithm settings of BME AI Studio")
+        print("\t\t BME_CONFIG_FILE is a board config file generated by BME AI Studio Software")
+        print("example:")
+        print("\tpython", sys.argv[0], "./datalog/session3-room2/ambient-air.log", "0", "./NiclaSenseME_BoardConfiguration.bmeconfig")
+        raise BaseException("missing argument")
+    else:
+        parser = BSEC2DataLogConverter(log_file_name = sys.argv[1], gas_label = sys.argv[2], bmeconfig_file = sys.argv[3])
+
+    parser.parse()
+    """
+        Pass the path of the bmeconfig file generated by the BME AI Studio,
+        and this script will generate 2022_10_21_15_13_BoardConfiguration{gas_label}.bmerawdata for you
+    """
+    parser.gen_ai_studio_training_data()
+

Arduino_BHY2/src/Arduino_BHY2.cpp

@@ -62,6 +62,7 @@ bool Arduino_BHY2::begin(NiclaConfig config, NiclaWiring niclaConnection)
   //in this case, we want to start BLEHandler and DFUManager
   //so they could come to the rescue the failed firmware for BHI260AP
 
+  sensortec.bsecSetBoardTempOffset(0.5f);//assuming the device is powered by USB, if on battery only, use a negative value such as -3.0
 
   if (!(_niclaConfig & NICLA_STANDALONE)) {
     if (_niclaConfig & NICLA_BLE) {

Arduino_BHY2/src/Arduino_BHY2.h

@@ -10,6 +10,8 @@
 #include "sensors/SensorXYZ.h"
 #include "sensors/SensorQuaternion.h"
 #include "sensors/SensorBSEC.h"
+#include "sensors/SensorBSEC2.h"
+#include "sensors/SensorBSEC2Collector.h"
 #include "sensors/SensorActivity.h"
 #include "sensors/Sensor.h"