Further simplify gateway code. Next step: A settings file

lora_single_chan_gateway/gateway.py

@@ -17,12 +17,7 @@ GATEWAY_HOST = "router.eu.thethings.network"
 GATEWAY_PORT = 1700
 
 
-class LoRaPacketsDB(object):
-    def __init__(self):
-        pass
-    
-    
-    def log_pkg(self, board, packet):
+def log_packet(self, board, packet):
     print("[{}] [receive] freq: {}, crc: {}, signal-noise-ratio: {}, signal strength: {} (packet: {})".format(
         payload['datetime'].isoformat(),
         board.frequency,
@@ -33,7 +28,6 @@ class LoRaPacketsDB(object):
     ))
 
 
-
 def construct_semtec_udp(board, payload):
     # https://github.com/Lora-net/packet_forwarder/blob/d0226eae6e7b6bbaec6117d0d2372bf17819c438/PROTOCOL.TXT#L99
     frame = bytearray()
@@ -69,8 +63,6 @@ def construct_semtec_udp(board, payload):
 if __name__ == "__main__":
     # sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)  # UDP
     
-    db = LoRaPacketsDB()
-
     with LoraBoardDraguino(433300000, 7) as board:
         board.set_mode_rx()
         print("Listening at SF{} on {} MHz".format(
@@ -79,7 +71,9 @@ if __name__ == "__main__":
         ))
         
         while True:
-            if GPIO.input(board._pin_dio0) == 1:
+            if GPIO.input(board._pin_dio0) != 1:
+                continue
+            
             payload = board.receive_package()
             
             # semtec_udp = construct_semtec_udp(board, payload)
@@ -93,4 +87,4 @@ if __name__ == "__main__":
                 payload['payload'][4:]
             ))
             
-                db.log_pkg(board, payload)
+            log_packet(board, payload)