From db9d25645cb1edba46c715936918bd7a7195353a Mon Sep 17 00:00:00 2001
From: Martin Teichmann <martin.teichmann@xfel.eu>
Date: Sat, 11 Feb 2023 15:02:46 +0100
Subject: [PATCH] somehow anybus does not like empty data fields
---
ebpfcat/ethercat.py | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/ebpfcat/ethercat.py b/ebpfcat/ethercat.py
index 874a6f7..f8c8fb2 100644
--- a/ebpfcat/ethercat.py
+++ b/ebpfcat/ethercat.py
@@ -230,9 +230,9 @@ class Packet:
cmd.value, *dgram, len(data) | FOLLOW, 0))
ret.append(data)
ret.append(b"\0\0")
- ret.append(pack("<BBiHHH", ECCmd.NOP.value, 0, index, 0, 0, 0))
- if self.size < 34:
- ret.append(b"\0" * (34 - self.size))
+ ret.append(pack("<BBiHHBH", 0, 0xf6, index, 1, 0, 1, 0))
+ if self.size < 33:
+ ret.append(b"\0" * (33 - self.size))
return b''.join(ret)
def __str__(self):
--
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