First working evrsion

dat2csv.py

+#!/usr/bin/env python3
+# coding: utf-8
+
+
+import argparse
+from construct import *
+import sys
+
+
+parser = argparse.ArgumentParser(description="Convert RM42 (UKK) binary log files to CSV format.")
+parser.add_argument('input', metavar="INPUT", type=str, help='Input file (.dat format)')
+parser.add_argument('output', metavar="OUTPUT", type=str, help='Output file (.csv format)')
+
+args = parser.parse_args()
+
+
+def binToHexUKK(val):
+    big = int(val / 16)
+    little = val % 16
+    return big * 10 + little
+
+input_file = args.input.strip()
+output_file= args.output.strip()
+print("Input:", input_file)
+print("Output:", output_file)
+
+
+encoding = Int16sl
+
+
+d_1sec = Struct(
+            "aaaa" / Int16ub,
+            "day" / Int8ub,
+            "month" / Int8ub,
+            "year" / Int8ub,
+            "hour" / Int8ub,
+            "minutes" / Int8ub,
+            "seconds" / Int8ub,
+            "entries" / Array(84, Array(3, encoding)))
+
+
+original_stdout = sys.stdout
+
+with open(input_file, 'rb') as f_input:
+    with open(output_file, 'w') as f_output:
+        print("timestamp;X_ax;Y_ax;Z_ax", file=f_output)
+        while f_input:
+            try:
+                result = d_1sec.parse_stream(f_input)
+                year = 2000 + binToHexUKK(result.year)
+                month = binToHexUKK(result.month)
+                day = binToHexUKK(result.day)
+                hour = binToHexUKK(result.hour)
+                minutes = binToHexUKK(result.minutes)
+                seconds = binToHexUKK(result.seconds)
+                if year != 2000 or month != 0 or day != 0 or hour != 0 or minutes != 0 or seconds != 0:
+                    
+                    for entry in result.entries:
+                        entry_csv = ';'.join([str(e) for e in entry])
+                        print('{:02d}/{:02d}/{:04d} {:02d}:{:02d}:{:02d};{:s}'.format(day, month, year, hour, minutes, seconds, entry_csv), file=f_output)
+                    
+                else:
+                    print("skip wrong entry")
+                
+            except:
+                print("Skip end of file")
+                break