mirror of
https://github.com/bluekitchen/btstack.git
synced 2024-12-27 12:22:38 +00:00
66 lines
1.4 KiB
Python
Executable File
66 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# BlueKitchen GmbH (c) 2017
|
|
|
|
# primitive dump for .tlv format
|
|
|
|
import sys
|
|
|
|
|
|
def read_net_32(f):
|
|
a = f.read(1)
|
|
if not a:
|
|
return -1
|
|
b = f.read(1)
|
|
if not b:
|
|
return -1
|
|
c = f.read(1)
|
|
if not c:
|
|
return -1
|
|
d = f.read(1)
|
|
if not d:
|
|
return -1
|
|
return ord(a) << 24 | ord(b) << 16 | ord(c) << 8 | ord(d)
|
|
|
|
def format_tag(tag):
|
|
return ''.join([ '%c' % i if (i > 0x20 and i < 128) else '.' for i in tag])
|
|
|
|
def as_hex(data):
|
|
str_list = []
|
|
for byte in data:
|
|
str_list.append("{0:02x} ".format(byte))
|
|
return ''.join(str_list)
|
|
|
|
|
|
if len(sys.argv) == 1:
|
|
print('Dump TLV file')
|
|
print('Copyright 2017, BlueKitchen GmbH')
|
|
print('')
|
|
print('Usage: ', sys.argv[0], 'file.tlv')
|
|
exit(0)
|
|
|
|
infile = sys.argv[1]
|
|
|
|
with open(infile, 'rb') as fin:
|
|
pos = 0
|
|
# check header
|
|
magic_0 = read_net_32(fin)
|
|
magic_1 = read_net_32(fin)
|
|
if magic_0 != 0x42547374 or magic_1 != 0x61636b00:
|
|
print("%x" % magic_0)
|
|
print("%x" % magic_1)
|
|
print("Not a valid BTstack .tlv file\n")
|
|
exit(0)
|
|
pos += 8
|
|
print("Valid .tlv file")
|
|
while True:
|
|
tag = fin.read(4)
|
|
if not tag:
|
|
break
|
|
pos += 4
|
|
len = read_net_32(fin)
|
|
pos += 4
|
|
packet = fin.read(len)
|
|
pos += len
|
|
print("'%s' (%s): %s" % (format_tag(tag), as_hex(tag)[0:11], as_hex(packet)))
|
|
print("Done")
|