Add trc 1.3 read support (#1753)

Author: 1atabey1

can/io/trc.py

@@ -76,6 +76,8 @@ def _extract_header(self):
                     file_version = line.split("=")[1]
                     if file_version == "1.1":
                         self.file_version = TRCFileVersion.V1_1
+                    elif file_version == "1.3":
+                        self.file_version = TRCFileVersion.V1_3
                     elif file_version == "2.0":
                         self.file_version = TRCFileVersion.V2_0
                     elif file_version == "2.1":
@@ -121,6 +123,8 @@ def _extract_header(self):
             self._parse_cols = self._parse_msg_v1_0
         elif self.file_version == TRCFileVersion.V1_1:
             self._parse_cols = self._parse_cols_v1_1
+        elif self.file_version == TRCFileVersion.V1_3:
+            self._parse_cols = self._parse_cols_v1_3
         elif self.file_version in [TRCFileVersion.V2_0, TRCFileVersion.V2_1]:
             self._parse_cols = self._parse_cols_v2_x
         else:
@@ -161,6 +165,24 @@ def _parse_msg_v1_1(self, cols: List[str]) -> Optional[Message]:
         msg.is_rx = cols[2] == "Rx"
         return msg
 
+    def _parse_msg_v1_3(self, cols: List[str]) -> Optional[Message]:
+        arbit_id = cols[4]
+
+        msg = Message()
+        if isinstance(self.start_time, datetime):
+            msg.timestamp = (
+                self.start_time + timedelta(milliseconds=float(cols[1]))
+            ).timestamp()
+        else:
+            msg.timestamp = float(cols[1]) / 1000
+        msg.arbitration_id = int(arbit_id, 16)
+        msg.is_extended_id = len(arbit_id) > 4
+        msg.channel = int(cols[2])
+        msg.dlc = int(cols[6])
+        msg.data = bytearray([int(cols[i + 7], 16) for i in range(msg.dlc)])
+        msg.is_rx = cols[3] == "Rx"
+        return msg
+
     def _parse_msg_v2_x(self, cols: List[str]) -> Optional[Message]:
         type_ = cols[self.columns["T"]]
         bus = self.columns.get("B", None)
@@ -203,6 +225,14 @@ def _parse_cols_v1_1(self, cols: List[str]) -> Optional[Message]:
             logger.info("TRCReader: Unsupported type '%s'", dtype)
             return None
 
+    def _parse_cols_v1_3(self, cols: List[str]) -> Optional[Message]:
+        dtype = cols[3]
+        if dtype in ("Tx", "Rx"):
+            return self._parse_msg_v1_3(cols)
+        else:
+            logger.info("TRCReader: Unsupported type '%s'", dtype)
+            return None
+
     def _parse_cols_v2_x(self, cols: List[str]) -> Optional[Message]:
         dtype = cols[self.columns["T"]]
         if dtype in ["DT", "FD", "FB"]:

test/data/test_CanMessage_V1_3.trc

@@ -0,0 +1,32 @@
+;$FILEVERSION=1.3
+;$STARTTIME=44548.6028595139
+;
+;   C:\test.trc
+;   Start time: 18.12.2021 14:28:07.062.0
+;   Generated by PCAN-Explorer v5.4.0
+;-------------------------------------------------------------------------------
+;   Bus  Name   Connection                 Protocol  Bit rate
+;   1    PCAN   Untitled@pcan_usb          CAN       500 kbit/s
+;   2    PTCAN  PCANLight_USB_16@pcan_usb  CAN
+;-------------------------------------------------------------------------------
+;   Message Number
+;   |         Time Offset (ms)
+;   |         |       Bus
+;   |         |       |    Type
+;   |         |       |    |       ID (hex)
+;   |         |       |    |       |    Reserved
+;   |         |       |    |       |    |   Data Length Code
+;   |         |       |    |       |    |   |    Data Bytes (hex) ...
+;   |         |       |    |       |    |   |    |
+;   |         |       |    |       |    |   |    |
+;---+-- ------+------ +- --+-- ----+--- +- -+-- -+ -- -- -- -- -- -- --
+     1)        17535.4 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00
+     2)        17700.3 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00
+     3)        17873.8 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00
+     4)        19295.4 1  Tx        0000 -  8    00 00 00 00 00 00 00 00
+     5)        19500.6 1  Tx        0000 -  8    00 00 00 00 00 00 00 00
+     6)        19705.2 1  Tx        0000 -  8    00 00 00 00 00 00 00 00
+     7)        20592.7 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00
+     8)        20798.6 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00
+     9)        20956.0 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00
+    10)        21097.1 1  Tx    00000100 -  8    00 00 00 00 00 00 00 00

test/logformats_test.py

@@ -939,6 +939,7 @@ def test_can_message(self):
         [
             ("V1_0", "test_CanMessage_V1_0_BUS1.trc", False),
             ("V1_1", "test_CanMessage_V1_1.trc", True),
+            ("V1_3", "test_CanMessage_V1_3.trc", True),
             ("V2_1", "test_CanMessage_V2_1.trc", True),
         ]
     )