Started implementing message class, parsing rx and tx pgn list

parser.py

@@ -26,6 +26,22 @@ def parse_60928(buf, device):
     device.sysinstance = buf[7] & 0x0f           # 4bit
     return struct.unpack_from('>Q', buf, 0)[0]
 
+def parse_126464(buf, device):
+    # PGN Lists: tx and rx
+    # Byte 1: 0 = Transmit PGN list
+    #         1 = Receive PGN list
+    functioncode = buf[0]
+    # set of 24bit PGNs (little endian)
+    values = { buf[i] | (buf[i+1] << 8) | (buf[i+2] << 16)
+               for i in range(1, len(buf)-4, 3) }
+    if functioncode == 0:
+        device.pgns_transmit = values
+    elif functioncode == 1:
+        device.pgns_receive = values
+    else:
+        return
+    device.has_pgnlist = True
+
 def parse_126983(buf, source):
     # Alert
     # PGN 126984 is response
@@ -93,7 +109,6 @@ def parse_126992(buf, source):
 def parse_126993(buf, device):
     # Heartbeat
     print(f"Heartbeat from {device.address}")
-    print(buf)
 
 def parse_126996(buf, device):
     # Product information