diff options
| author | Tom Rondeau <tom@trondeau.com> | 2014-05-16 12:16:07 -0400 |
|---|---|---|
| committer | Tom Rondeau <tom@trondeau.com> | 2014-05-17 17:45:16 -0400 |
| commit | f23b3106cd2c73be3708c29dc85afb37298d4731 (patch) | |
| tree | 764fd7d952c6196f4f8fa252f08f1d3a776cfb47 /gr-digital/python/digital/packet_utils.py | |
| parent | 03b3b0eb63232507a4837be38d0398a655284f69 (diff) | |
digital: added option to packet_utils.unmake_packet to check or not check the CRC.
Diffstat (limited to 'gr-digital/python/digital/packet_utils.py')
| -rw-r--r-- | gr-digital/python/digital/packet_utils.py | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gr-digital/python/digital/packet_utils.py b/gr-digital/python/digital/packet_utils.py index efb3252b14..a73480bdcb 100644 --- a/gr-digital/python/digital/packet_utils.py +++ b/gr-digital/python/digital/packet_utils.py @@ -182,12 +182,16 @@ def _npadding_bytes(pkt_byte_len, samples_per_symbol, bits_per_symbol): return byte_modulus - r -def unmake_packet(whitened_payload_with_crc, whitener_offset=0, dewhitening=True): +def unmake_packet(whitened_payload_with_crc, whitener_offset=0, + dewhitening=True, check_crc=True): """ Return (ok, payload) Args: whitened_payload_with_crc: string + whitener_offset: integer offset into whitener table + dewhitening: True if we should run this through the dewhitener + check_crc: True if we should check the CRC of the packet """ if dewhitening: @@ -195,7 +199,11 @@ def unmake_packet(whitened_payload_with_crc, whitener_offset=0, dewhitening=True else: payload_with_crc = (whitened_payload_with_crc) - ok, payload = crc.check_crc32(payload_with_crc) + if check_crc: + ok, payload = crc.check_crc32(payload_with_crc) + else: + payload = payload_with_crc + ok = True if 0: print "payload_with_crc =", string_to_hex_list(payload_with_crc) |