Add support for a TextPacket, as sent using the UART module in the AdaFruit BlueTooth app

Author: TonyLHansen

adafruit_bluefruit_connect/packet.py

@@ -101,7 +101,17 @@ def from_stream(cls, stream):
                     # Timeout: nothing more read.
                     return None
                 break
-            # Didn't find a packet start. Loop and try again.
+            # Didn't find a packet start.
+            else:
+                text_packet_cls = cls._type_to_class.get(b"TX", None)
+                # Is TextPacket registered?
+                # If so, read an entire line and pass that to TextPacket.
+                if text_packet_cls:
+                    ln = stream.readline()
+                    packet = bytes(start + ln)
+                    return text_packet_cls(packet)
+
+                # else loop and try again.
 
         header = bytes(start + packet_type)
         packet_class = cls._type_to_class.get(header, None)

adafruit_bluefruit_connect/text_packet.py

@@ -21,8 +21,6 @@
 
 """
 
-import struct
-
 from .packet import Packet