Detect SFD when splitting preamble

2020-11-23 15:21:55 -08:00
parent 0a2079d4ea
commit a6d01c5b73
2 changed files with 10 additions and 4 deletions
--- a/cocotbext/eth/gmii.py
+++ b/cocotbext/eth/gmii.py
@@ -53,11 +53,14 @@ class GmiiFrame(object):
        data.extend(payload)
        return cls(data)

+    def get_preamble_len(self):
+        return self.data.index(EthPre.SFD)+1
+
    def get_preamble(self):
-        return self.data[0:8]
+        return self.data[0:self.get_preamble_len()]

    def get_payload(self):
-        return self.data[8:]
+        return self.data[self.get_preamble_len():]

    def normalize(self):
        n = len(self.data)