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decode motorola type sms

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This commit is contained in:
KF7EEL 2020-11-22 18:51:46 -08:00
parent 6c3cab0827
commit 6293497b61
1 changed files with 13 additions and 7 deletions
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20
gps_data.py
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@ -55,6 +55,8 @@ import re
import aprslib
import datetime
from bitarray.util import ba2int as ba2num
from bitarray.util import ba2hex as ba2hx
import codecs
#Needed for working with NMEA
import pynmea2
@ -85,7 +87,7 @@ aprs_passcode = 12345
aprs_server = 'rotate.aprs2.net'
aprs_port = 14580
user_ssid = '15'
aprs_comment = 'HBLink3 GPS decode - '
aprs_comment = 'HBLink3 GPS Decoder - '
##################################################################################################
@ -171,13 +173,15 @@ class DATA_SYSTEM(HBSYSTEM):
# This triggers the APRS upload
if btf == 0: #_seq == 12:
final_packet = str(bitarray(re.sub("\)|\(|bitarray|'", '', packet_assembly)).tobytes().decode('utf-8', 'ignore'))
nmea_parse = re.sub('A\*.*|.*\$', '', str(final_packet))
loc = pynmea2.parse(nmea_parse, check=False)
sms_hex = str(ba2hx(bitarray(re.sub("\)|\(|bitarray|'", '', packet_assembly))))
#NMEA GPS sentence
if '$GPRMC' in final_packet:
logger.info(final_packet + '\n')
nmea_parse = re.sub('A\*.*|.*\$', '', str(final_packet))
loc = pynmea2.parse(nmea_parse, check=False)
logger.info('Latitude: ' + str(loc.lat) + str(loc.lat_dir) + ' Longitude: ' + str(loc.lon) + str(loc.lon_dir) + ' Direction: ' + str(loc.true_course) + ' Speed: ' + str(loc.spd_over_grnd))
# Begin APRS format and upload
# aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APRS,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(final_packet[29:36]) + str(final_packet[39]) + '/' + str(re.sub(',', '', final_packet[41:49])) + str(final_packet[52]) + '[/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
## aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APRS,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(final_packet[29:36]) + str(final_packet[39]) + '/' + str(re.sub(',', '', final_packet[41:49])) + str(final_packet[52]) + '[/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APRS,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + '/' + str(loc.lon[0:8]) + str(loc.lon_dir) + '[/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
logger.info(aprs_loc_packet)
try:
@ -187,14 +191,16 @@ class DATA_SYSTEM(HBSYSTEM):
AIS.connect()
AIS.sendall(aprs_loc_packet)
AIS.close()
logger.info('Sent APRS packet')
logger.info('Dent APRS packet')
except:
logger.info('Failed to parse packet. Packet may be deformed. Not uploaded.')
# Get callsign based on DMR ID
#logger.info(get_alias(int_id(_rf_src), subscriber_ids))
# End APRS-IS upload
else:
# Assume this is an SMS message
if '$GPRMC' not in final_packet:
logger.info(final_packet)
sms = codecs.decode(bytes.fromhex(''.join(sms_hex[74:-8].split('00'))), 'utf-8')
logger.info('Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms))
packet_assembly = ''
logger.info(_seq)
#logger.info(_dtype_vseq)