[ENH] Create functions to read Epochs and Evoked Neuroscan formats

mne/io/cnt/__init__.py

@@ -2,4 +2,4 @@
 # Copyright the MNE-Python contributors.
 """CNT data reader."""
 
-from .cnt import read_raw_cnt
+from .cnt import read_raw_cnt, read_epochs_cnt, read_evoked_cnt

mne/io/cnt/_utils.py

@@ -73,6 +73,18 @@ def _read_teeg(f, teeg_offset):
 )
 
 
+EpochHeader = namedtuple(
+    "EpochHeader",
+    ("Accept Ttype Correct Rt Response Reserved"),
+)
+# char Accept; /* accept byte */
+# short Ttype; /* trial type */
+# short Correct; /* accuracy */
+# float Rt; /* reaction time */
+# short Response; /* response type */
+# short Reserved; /* not used */
+
+
 def _get_event_parser(event_type):
     if event_type == 1:
         event_maker = CNTEventType1
@@ -83,8 +95,11 @@ def _get_event_parser(event_type):
     elif event_type == 3:
         event_maker = CNTEventType3
         struct_pattern = "<HBclhhfccc"  # Same as event type 2
+    elif event_type == "epoch":
+        event_maker = EpochHeader
+        struct_pattern = "<chhfh"
     else:
-        raise ValueError("unknown CNT even type %s" % event_type)
+        raise ValueError("unknown CNT header type %s" % event_type)
 
     def parser(buffer):
         struct = Struct(struct_pattern)