packet: Fix header_type matching according to IFAC

Ever since IFAC/Interface Access Codes were introduced, the header type
is one bit long and not two.
This commit is contained in:
Dionysis Grigoropoulos 2023-01-27 14:43:44 +02:00
parent 0f023cc533
commit 6ecae615de
1 changed files with 2 additions and 4 deletions

View File

@ -58,9 +58,7 @@ class Packet:
# Header types
HEADER_1 = 0x00 # Normal header format
HEADER_2 = 0x01 # Header format used for packets in transport
HEADER_3 = 0x02 # Reserved
HEADER_4 = 0x03 # Reserved
header_types = [HEADER_1, HEADER_2, HEADER_3, HEADER_4]
header_types = [HEADER_1, HEADER_2]
# Packet context types
NONE = 0x00 # Generic data packet
@ -215,7 +213,7 @@ class Packet:
self.flags = self.raw[0]
self.hops = self.raw[1]
self.header_type = (self.flags & 0b11000000) >> 6
self.header_type = (self.flags & 0b01000000) >> 6
self.transport_type = (self.flags & 0b00110000) >> 4
self.destination_type = (self.flags & 0b00001100) >> 2
self.packet_type = (self.flags & 0b00000011)