diff options
| -rwxr-xr-x | uecpparse/uecp_parse.py | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/uecpparse/uecp_parse.py b/uecpparse/uecp_parse.py index bbd3be7..ce0fba9 100755 --- a/uecpparse/uecp_parse.py +++ b/uecpparse/uecp_parse.py @@ -33,7 +33,11 @@ import sys import struct import crc -verbose=True +verbose=False + +def log(msg): + if verbose: + print(msg) # Message Element Codes uecp_mec_names = { @@ -75,21 +79,26 @@ class UECP_Message_Decoder(): if self.mec in uecp_mec_names: name = uecp_mec_names[self.mec] - print(" MEC={}".format(name)) + log(" MEC={}".format(name)) if name == "PS": dsn = message_bytes[1] psn = message_bytes[2] ps = message_bytes[3:-1] - print(" PS DSN={:02x} PSN={:02x} ".format(dsn, psn) + "".join(chr(d) for d in ps)) + log(" PS DSN={:02x} PSN={:02x} ".format(dsn, psn) + "".join(chr(d) for d in ps)) elif name == "RT": dsn = message_bytes[1] psn = message_bytes[2] mel = message_bytes[3] med = message_bytes[4:-1] - print(" RT DSN={:02x} PSN={:02x} MEL={:02}, ".format(dsn, psn, mel) + " ".join("{:02x}".format(d) for d in med)) + buffer_config = (med[0] & 0b01100000) >> 5 + number_of_tx = (med[0] & 0b00011110) >> 1 + toggle_a_b_flag = (med[0] & 0b00000001) + radiotext = "".join(chr(d) for d in med[1:]) + log(" RT DSN={:02x} PSN={:02x} MEL={:02}, ".format(dsn, psn, mel) + radiotext) + print(radiotext) else: - print(" MEC={}".format(self.mec)) + log(" MEC={}".format(self.mec)) class UECP_Frame_Decoder(): def __init__(self): @@ -127,15 +136,15 @@ class UECP_Frame_Decoder(): elif self.message_begin_seen: self.data.append(b) else: - #print("Dropping 0x{:02x}".format(b)) + #log("Dropping 0x{:02x}".format(b)) pass return True def check_crc(self): if 0: - print("B " + " ".join("{:02x}".format(b) for b in self.data)) + log("B " + " ".join("{:02x}".format(b) for b in self.data)) for i in range(1, len(self.data)): - print(" i={:02} crc=0x{:04x} calc1=0x{:04x} calc2=0x{:04x}".format(i, + log(" i={:02} crc=0x{:04x} calc1=0x{:04x} calc2=0x{:04x}".format(i, self.crc, 0xffff ^ crc.crc16(self.data[1:i]), crc.crc_ccitt(self.data[1:i]))) @@ -147,7 +156,7 @@ class UECP_Frame_Decoder(): """Decodes an untrapped frame""" if verbose: - print("Decoding " + " ".join("{:02x}".format(b) for b in self.data)) + log("Decoding " + " ".join("{:02x}".format(b) for b in self.data)) self.addr = self.data[1] * 256 + self.data[2] self.sqc = self.data[3] @@ -172,7 +181,7 @@ def parse_anc_bytes(anc_bytes): if not need_more_data: uecp.decode_frame() - print("Addr={} sqc={} mfl={} msg={} crc=0x{:04x} crc_calc=0x{:04x} ok={}".format( + log("Addr={} sqc={} mfl={} msg={} crc=0x{:04x} crc_calc=0x{:04x} ok={}".format( uecp.addr, uecp.sqc, uecp.mfl, uecp.msg, uecp.crc, uecp.crc_calc, uecp.crc_ok)) uecp = UECP_Frame_Decoder() @@ -198,7 +207,7 @@ for line_nr, line in enumerate(in_fd): try: parse_anc_bytes(anc_bytes) except ValueError as e: - print("***** Error on line {}: {}".format(line_nr+1, e)) + log("***** Error on line {}: {}".format(line_nr+1, e)) uecp = UECP_Frame_Decoder() |