implement basic SMS processing

This commit is contained in:
KF7EEL 2020-11-23 12:53:59 -08:00
parent 4dc58f7e01
commit de6386e4f1
1 changed files with 32 additions and 9 deletions

View File

@ -109,11 +109,22 @@ def bptc_decode(_data):
binary_packet = bitarray(decode.to_bits(_data[20:]))
del binary_packet[98:166]
return decode_full(binary_packet)
def header_info(_data):
bptc_decode(_data)
# Placeholder for future header id
def header_ID(_data):
hex_hdr = str(ahex(bptc_decode(_data)))
return hex_hdr[2:6]
# Work in progress, used to determine data format
pass
## pass
# Process SMS, do something bases on message
def process_sms(from_id, sms):
if sms == 'ID':
logger.info(str(get_alias(int_id(from_id), subscriber_ids)) + ' - ' + str(int_id(from_id)))
if sms == 'TEST':
logger.info('This is a really cool function.')
else:
pass
###########
@ -134,9 +145,11 @@ class DATA_SYSTEM(HBSYSTEM):
pckt_seq = int.from_bytes(_seq, 'big')
else:
pckt_seq = _seq
# Try to classify header
if _call_type == call_type or (_call_type == 'vcsbk' and pckt_seq > 3): #int.from_bytes(_seq, 'big') > 3 ):
if _dtype_vseq == 6 or _dtype_vseq == 'group':
global btf
global btf, hdr_start
hdr_start = str(header_ID(_data))
logger.info('Header from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + '. DMR ID: ' + str(int_id(_rf_src)))
logger.info(ahex(bptc_decode(_data)))
logger.info('Blocks to follow: ' + str(ba2num(bptc_decode(_data)[65:72])))
@ -185,11 +198,21 @@ class DATA_SYSTEM(HBSYSTEM):
# End APRS-IS upload
# 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('\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
# Motorola type SMS header
if '024' in hdr_start:
logger.info('\nMotorola type SMS')
sms = codecs.decode(bytes.fromhex(''.join(sms_hex[74:-8].split('00'))), 'utf-8')
logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
process_sms(_rf_src, sms)
else:
logger.info('Unknown tpye SMS')
logger.info(final_packet)
pass
#logger.info(bitarray(re.sub("\)|\(|bitarray|'", '', str(bptc_decode(_data)).tobytes().decode('utf-8', 'ignore'))))
#logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
# Reset the packet assembly to prevent old data from returning.
packet_assembly = ''
packet_assembly = ''
hdr_start = ''
#logger.info(_seq)
#logger.info(_dtype_vseq)
#logger.info(ahex(bptc_decode(_data)).decode('utf-8', 'ignore'))