fix #1299

Author: zariiii9003

can/io/asc.py

@@ -202,9 +202,9 @@ def _process_classic_can_frame(
                     _, dlc_str = rest_of_message.split(None, 1)
                     data = ""
 
-                dlc = int(dlc_str, self._converted_base)
+                dlc = dlc2len(int(dlc_str, self._converted_base))
                 msg_kwargs["dlc"] = dlc
-                self._process_data_string(data, dlc, msg_kwargs)
+                self._process_data_string(data, min(8, dlc), msg_kwargs)
 
         return Message(**msg_kwargs)
 

test/data/issue_1299.asc

@@ -0,0 +1,11 @@
+date Thu Apr 28 10:44:52.480 am 2022
+base hex  timestamps absolute
+internal events logged
+// version 12.0.0
+Begin TriggerBlock Thu Apr 28 10:44:52.480 am 2022
+   0.000000 Start of measurement
+  13.258199 1  180             Tx   d 8 6A 00 00 00 00 00 00 00  Length = 244016 BitCount = 125 ID = 384
+  13.258433 1  221             Tx   d 8 C2 4A 05 81 00 00 15 10  Length = 228016 BitCount = 117 ID = 545
+  13.258671 1  3FF             Tx   d D 55 AA 01 02 03 04 05 06  Length = 232016 BitCount = 119 ID = 1023
+  13.258907 1  F4              Tx   d 8 8A 1A 0D F2 13 00 00 07  Length = 230016 BitCount = 118 ID = 244
+End TriggerBlock

test/logformats_test.py

@@ -561,6 +561,9 @@ def test_ignore_comments(self):
     def test_no_triggerblock(self):
         _msg_list = self._read_log_file("issue_1256.asc")
 
+    def test_can_dlc_greater_than_8(self):
+        _msg_list = self._read_log_file("issue_1299.asc")
+
 
 class TestBlfFileFormat(ReaderWriterTest):
     """Tests can.BLFWriter and can.BLFReader.