Added periodic ID option to RNode interface. Fixed RNode SNR stat indication.

RNS/Interfaces/RNodeInterface.py

@@ -70,7 +70,9 @@ class RNodeInterface(Interface):
 	RSSI_OFFSET = 157
 	SNR_OFFSET  = 128
 
-	def __init__(self, owner, name, port, frequency = None, bandwidth = None, txpower = None, sf = None, cr = None, flow_control = False):
+	CALLSIGN_MAX_LEN    = 32
+
+	def __init__(self, owner, name, port, frequency = None, bandwidth = None, txpower = None, sf = None, cr = None, flow_control = False, id_interval = None, id_callsign = None):
 		self.serial      = None
 		self.owner       = owner
 		self.name        = name
@@ -90,6 +92,8 @@ class RNodeInterface(Interface):
 		self.state       = KISS.RADIO_STATE_OFF
 		self.bitrate     = 0
 
+		self.last_id     = 0
+
 		self.r_frequency = None
 		self.r_bandwidth = None
 		self.r_txpower   = None
@@ -123,10 +127,22 @@ class RNodeInterface(Interface):
 			RNS.log("Invalid spreading factor configured for "+str(self), RNS.LOG_ERROR)
 			self.validcfg = False
 
-		if (self.cr < 5 or self.sf > 8):
+		if (self.cr < 5 or self.cr > 8):
 			RNS.log("Invalid coding rate configured for "+str(self), RNS.LOG_ERROR)
 			self.validcfg = False
 
+		if id_interval != None and id_callsign != None:
+			if (len(id_callsign.encode("utf-8")) <= RNodeInterface.CALLSIGN_MAX_LEN):
+				self.should_id = True
+				self.id_callsign = id_callsign
+				self.id_interval = id_interval
+			else:
+				RNS.log("The encoded ID callsign for "+str(self)+" exceeds the max length of "+str(RNodeInterface.CALLSIGN_MAX_LEN)+" bytes.", RNS.LOG_ERROR)
+				self.validcfg = False
+		else:
+			self.id_interval = None
+			self.id_callsign = None
+
 		if (not self.validcfg):
 			raise ValueError("The configuration for "+str(self)+" contains errors, interface is offline")
 
@@ -259,7 +275,7 @@ class RNodeInterface(Interface):
 		try:
 			self.bitrate = self.r_sf * ( (4.0/self.cr) / (math.pow(2,self.r_sf)/(self.r_bandwidth/1000)) ) * 1000
 			self.bitrate_kbps = round(self.bitrate/1000.0, 2)
-			RNS.log(str(self)+" On-air bitrate is now "+str(self.bitrate_kbps)+ " kbps", RNS.LOG_DEBUG)
+			RNS.log(str(self)+" On-air bitrate is now "+str(self.bitrate_kbps)+ " kbps", RNS.LOG_INFO)
 		except:
 			self.bitrate = 0
 
@@ -273,9 +289,17 @@ class RNodeInterface(Interface):
 				if self.flow_control:
 					self.interface_ready = False
 
-				data = KISS.escape(data)
+				frame = b""
-				frame = bytes([0xc0])+bytes([0x00])+data+bytes([0xc0])
+
+				if self.id_interval != None and self.id_callsign != None:
+					if self.last_id + self.id_interval < time.time():
+						self.last_id = time.time()
+						frame = bytes([0xc0])+bytes([0x00])+KISS.escape(self.id_callsign.encode("utf-8"))+bytes([0xc0])
+
+				data    = KISS.escape(data)
+				frame  += bytes([0xc0])+bytes([0x00])+data+bytes([0xc0])
 				written = self.serial.write(frame)
+
 				if written != len(frame):
 					raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
 			else:
@@ -408,7 +432,7 @@ class RNodeInterface(Interface):
 						elif (command == KISS.CMD_STAT_RSSI):
 							self.r_stat_rssi = byte-RNodeInterface.RSSI_OFFSET
 						elif (command == KISS.CMD_STAT_SNR):
-							self.r_stat_snr = byte-RNodeInterface.SNR_OFFSET
+							self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25
 						elif (command == KISS.CMD_RANDOM):
 							self.r_random = byte
 						elif (command == KISS.CMD_ERROR):

RNS/Reticulum.py

@@ -248,8 +248,7 @@ class Reticulum:
 								txtail = int(c["txtail"]) if "txtail" in c else None
 								persistence = int(c["persistence"]) if "persistence" in c else None
 								slottime = int(c["slottime"]) if "slottime" in c else None
-								flow_control = (True if c["flow_control"] == "true" else False) if "flow_control" in c else False
+								flow_control = c.as_bool("flow_control") if "flow_control" in c else False
-
 								port = c["port"] if "port" in c else None
 								speed = int(c["speed"]) if "speed" in c else 9600
 								databits = int(c["databits"]) if "databits" in c else 8
@@ -286,8 +285,7 @@ class Reticulum:
 								txtail = int(c["txtail"]) if "txtail" in c else None
 								persistence = int(c["persistence"]) if "persistence" in c else None
 								slottime = int(c["slottime"]) if "slottime" in c else None
-								flow_control = (True if c["flow_control"] == "true" else False) if "flow_control" in c else False
+								flow_control = c.as_bool("flow_control") if "flow_control" in c else False
-
 								port = c["port"] if "port" in c else None
 								speed = int(c["speed"]) if "speed" in c else 9600
 								databits = int(c["databits"]) if "databits" in c else 8
@@ -330,7 +328,9 @@ class Reticulum:
 								txpower = int(c["txpower"]) if "txpower" in c else None
 								spreadingfactor = int(c["spreadingfactor"]) if "spreadingfactor" in c else None
 								codingrate = int(c["codingrate"]) if "codingrate" in c else None
-								flow_control = (True if c["flow_control"] == "true" else False) if "flow_control" in c else False
+								flow_control = c.as_bool("flow_control") if "flow_control" in c else False
+								id_interval = int(c["id_interval"]) if "id_interval" in c else None
+								id_callsign = c["id_callsign"] if "id_callsign" in c else None
 
 								port = c["port"] if "port" in c else None
 								
@@ -341,11 +341,14 @@ class Reticulum:
 									RNS.Transport,
 									name,
 									port,
-									frequency,
+									frequency = frequency,
-									bandwidth,
+									bandwidth = bandwidth,
-									txpower,
+									txpower = txpower,
-									spreadingfactor,
+									sf = spreadingfactor,
-									flow_control
+									cr = codingrate,
+									flow_control = flow_control,
+									id_interval = id_interval,
+									id_callsign = id_callsign
 								)
 
 								if "outgoing" in c and c["outgoing"].lower() == "true":
@@ -355,7 +358,7 @@ class Reticulum:
 
 								RNS.Transport.interfaces.append(interface)
 						else:
-							RNS.log("Skipping disabled interface \""+name+"\"", RNS.LOG_VERBOSE)
+							RNS.log("Skipping disabled interface \""+name+"\"", RNS.LOG_NOTICE)
 
 					except Exception as e:
 						RNS.log("The interface \""+name+"\" could not be created. Check your configuration file for errors!", RNS.LOG_ERROR)
@@ -533,6 +536,19 @@ loglevel = 4
     # fastest, and 8 the longest range.
     codingrate = 5
 
+    # You can configure the RNode to send
+    # out identification on the channel with
+    # a set interval by configuring the
+    # following two parameters. The trans-
+    # ceiver will only ID before making an
+    # actual transmission, and if the set
+    # interval has elapsed since it's last
+    # ID. Interval is configured in seconds
+    # This option is commented out and not
+    # used by default.
+    # id_callsign = MYCALL-0
+    # id_interval = 600
+
 
   # An example KISS modem interface. Useful for running
   # Reticulum over packet radio hardware.