diff options
| -rw-r--r-- | glucometerutils/drivers/sdcodefree.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/glucometerutils/drivers/sdcodefree.py b/glucometerutils/drivers/sdcodefree.py index ac3e228..4636d2a 100644 --- a/glucometerutils/drivers/sdcodefree.py +++ b/glucometerutils/drivers/sdcodefree.py @@ -46,7 +46,7 @@ _PACKET = construct.Struct( {e: e.value for e in Direction}), 'length' / construct.Rebuild( construct.Byte, lambda this: len(this.message) + 2), - 'message' / construct.Bytes(lambda this: len(this.message)), + 'message' / construct.Bytes(lambda this: this.length - 2), 'checksum' / construct.Checksum( construct.Byte, xor_checksum, construct.this.message), 'etx' / construct.Const(0xAA, construct.Byte) |