add tools which could help with the data collection sketch

Arduino_BHY2/examples/SyncAndCollectIMUData/tools/README.md

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+# process_nicla_bhy2_log_base64.py
+This script is used to convert the log encoded in base64 to ascii
+## Usage
+```
+./process_nicla_bhy2_log_base64.py [log_file_name]
+```
+## Example
+./process_nicla_bhy2_log_base64.py log_nicla_bhy2.txt
+
+
+# check_for_data_loss.sh
+This script is used to check for any potential data loss during the transfer,
+and it reports some errors if it does find any data loss
+
+## Usage
+```
+./check_for_data_loss.sh [OPTION] [log_file_name]
+```
+
+## Example
+- Example 1
+    ```
+    ./check_for_data_loss.sh -b ./minicom.log
+    ```
+    The above command check for the data loss using the log "./minicom.log" which is base on base64 encoding
+- Example 2
+    ```
+    ./check_for_data_loss.sh -a ./minicom.log
+    ```
+    The above command check for the data loss using the log "./minicom.log" which is base on ascii encoding
+

Arduino_BHY2/examples/SyncAndCollectIMUData/tools/check_for_data_loss.sh

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+#!/bin/sh
+
+
+log_encoding_is_base64=false
+
+if [ ":""$1" = ":-b" ] ; then
+    log_encoding_is_base64=true
+    echo "log is using base64 encoding"
+elif [ ":""$1" = ":-a" ] ; then
+    log_encoding_is_base64=false
+    echo "log is using ascii encoding"
+else
+    echo "usage: ./check_for_data_loss.sh [OPTION] [log_filename]"
+    echo "\t[OPTION]:"
+    echo "\t\t" "-a"
+    echo "\t\t" "\t:log use ascii encoding"
+    echo "\t\t" "-b"
+    echo "\t\t" "\t:log use base64 encoding"
+
+    echo "\texample: ./check_for_data_loss.sh -b minicom.cap"
+    return
+fi
+
+if [ ":""$2" = ":" ] ; then
+    log_file="./minicom.cap"
+else
+    log_file="$2"
+fi
+
+
+tmp_file="./tmp.csv"
+log_file_cp="${log_file}.cp"
+log_file_in="${log_file_cp}.tmp"
+
+echo "log_file:$log_file"
+
+
+if [ $log_encoding_is_base64 = true ] ; then
+    cp $log_file $log_file_cp
+    ./process_nicla_bhy2_log_base64.py $log_file_cp > $log_file_in
+else
+    cp $log_file $log_file_in
+fi
+
+echo "log_id,seq,ax,ay,az,gx,gy,gz" > $tmp_file
+
+sed 's/.*\([a-zA-Z]\)\([0-9]\)/\1,\2/g' $log_file_in >> $tmp_file
+./check_for_data_loss.py $tmp_file