Import of the watch repository from Pebble

tools/pretty_print_bt_log.py

@@ -0,0 +1,56 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+import bitstring
+import json
+import collections
+
+parser = argparse.ArgumentParser(description="Pretty print wire-optimized Pebble Bluetooth logs.")
+parser.add_argument('filename', help="File containing a series of packed LogBtMessages.")
+
+MESSAGE_SIZE_BYTES = 4 + 4 + 1 + 1 + 2 + 16 + 128
+
+def printBitStream(bit_stream):
+    for message in bit_stream.cut(MESSAGE_SIZE_BYTES * 8):
+        printMessage(message)
+    return
+
+def printMessage(message):
+    results = message.unpack('uintbe:16, uintbe:16, uintbe:32, uintbe:8, uintbe:8, uintbe:16, hex:128, hex:1024')
+    results = list(results)
+    headers = (
+        'pebble-message-length',
+        'endpoint',
+        'timestamp',
+        'level',
+        'log-message-length',
+        'line-number',
+        'filename',
+        'log-message',
+    )
+    d = collections.OrderedDict(zip(headers, results))
+    d['log-message'] = d['log-message'].decode('hex')[:d['log-message-length']]
+    d['filename'] = d['filename'].split('0')[0].decode('hex')
+    print(json.dumps(d, indent=4))
+    return
+
+def main():
+    args = parser.parse_args()
+    bit_stream = bitstring.BitStream(filename=args.filename)
+    printBitStream(bit_stream)
+    return
+
+if __name__ == '__main__':
+    main()