- added stream talker

- added stream listener

ubx/packetizer.py

@@ -1,7 +1,9 @@
 import struct
+import time
 from msg.container import MsgContainer
 from msg.listener import MsgListener
 from msg.talker import MsgTalker
+from stream.listener import StreamListener
 from ubx.ubx import UBX_SYNC_WORD, frame_parse, frame_create
 from ubx.listener import UbxListener
 
@@ -10,15 +12,15 @@ def ubx_pkt_debug(s: str):
 	if UBX_PKT_DEBUG:
 		print(s)
 
-class UbxPacketizer(MsgListener, MsgTalker):
-	def __init__(self, sync_bytes: bytes = UBX_SYNC_WORD):
-		MsgListener.__init__(self)
+class UbxPacketizer(StreamListener, MsgTalker):
+	def __init__(self, name: str, sync_bytes: bytes = UBX_SYNC_WORD):
+		StreamListener.__init__(self)
 		MsgTalker.__init__(self)
+		self.name = name
 		self.sync_bytes = sync_bytes
 		self.packet = b''
 		self.wait_sync = True
 		self.sync_count = 0
-		self.timestamp = 0
 		self.d_save = b''
 
 	def reset(self):
@@ -26,21 +28,19 @@ class UbxPacketizer(MsgListener, MsgTalker):
 		self.wait_sync = True
 		self.sync_count = 0
 
-	def on_recv(self, msg: MsgContainer):
-		for n in range (0, len(msg.data)):
-			d = msg.data[n]
+	def on_recv(self, rx_data: bytes):
+		for d in rx_data:
 			if d == self.sync_bytes[self.sync_count]:
 				self.d_save += struct.pack('B', d)
 				self.sync_count += 1
 				if self.sync_count == len(self.sync_bytes):
-					ubx_pkt_debug(f"{msg.name}:UBX-sync")
+					ubx_pkt_debug(f"{self.name}:UBX-sync")
 					if len(self.packet) > 0:
-						ubx_pkt_debug(f"{msg.name}:Remaining packet: {self.packet}")
+						ubx_pkt_debug(f"{self.name}:Remaining packet: {self.packet}")
 					self.sync_count = 0
 					self.d_save = b''
 					self.packet = b''
 					self.wait_sync = False
-					self.timestamp = msg.timestamp
 			else:
 				if self.sync_count > 0:
 					self.packet += self.d_save
@@ -51,14 +51,10 @@ class UbxPacketizer(MsgListener, MsgTalker):
 					data, hdr = frame_parse(self.packet)
 					if data is not None:
 						if hdr.length == len(data):
-							self.call_listener(MsgContainer(msg.name, self.timestamp, self.packet))
+							self.call_listener(MsgContainer(self.name, time.time(), self.packet))
 							self.packet = b''
 							self.wait_sync = True
 
-	def is_msg(self, msg: MsgContainer):
-		return True
-
-
 if __name__ == "__main__":
 	UBX_PKT_DEBUG = True
 	class MySink(MsgListener):