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add UDT SAP requirement to reduce fake packets

This commit is contained in:
KF7EEL 2020-12-26 14:31:55 -08:00
parent c687ce3bec
commit 8b873b77fc
1 changed files with 4 additions and 4 deletions
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8
gps_data.py
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@ -290,10 +290,10 @@ class DATA_SYSTEM(HBSYSTEM):
global n_packet_assembly, hdr_type
#logger.info(_dtype_vseq)
logger.info(time.strftime('%H:%M:%S - %m/%d/%y'))
logger.info('Special debug for developement:')
logger.info(ahex(bptc_decode(_data)))
#logger.info('Special debug for developement:')
#logger.info(ahex(bptc_decode(_data)))
#logger.info(hdr_type)
#logger.info(type(ba2num(bptc_decode(_data)[69:72])))
#logger.info((ba2num(bptc_decode(_data)[8:12])))
if int_id(_dst_id) == data_id:
#logger.info(type(_seq))
if type(_seq) is bytes:
@ -305,7 +305,7 @@ class DATA_SYSTEM(HBSYSTEM):
# If 5 is at position 3, then this should be a UDT header for MD-380 type radios.
# Coordinates are usually in the very next block after the header, we will discard the rest.
#logger.info(ahex(bptc_decode(_data)[0:10]))
if _call_type == call_type and header_ID(_data)[3] == '5' and ba2num(bptc_decode(_data)[69:72]) == 0 or (_call_type == 'vcsbk' and header_ID(_data)[3] == '5' and ba2num(bptc_decode(_data)[69:72]) == 0):
if _call_type == call_type and header_ID(_data)[3] == '5' and ba2num(bptc_decode(_data)[69:72]) == 0 and ba2num(bptc_decode(_data)[8:12]) == 0 or (_call_type == 'vcsbk' and header_ID(_data)[3] == '5' and ba2num(bptc_decode(_data)[69:72]) == 0 and ba2num(bptc_decode(_data)[8:12]) == 0):
global udt_block
logger.info('MD-380 type UDT header detected. Very next packet should be location.')
hdr_type = '380'