mirror of
https://github.com/markqvist/Reticulum.git
synced 2024-11-22 21:50:18 +00:00
Implemented Bluetooth support for RNode interfaces on Android. Added Bluetooth/USB multiplexing and Bluetooth manager to interface.
This commit is contained in:
Mark Qvist
parent
20696e7827
commit
63a59753af
@ -86,6 +86,129 @@ class KISS():
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data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
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return data
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class AndroidBluetoothManager():
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def __init__(self, owner, target_device_name = None, target_device_address = None):
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from jnius import autoclass
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self.owner = owner
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self.connected = False
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self.target_device_name = target_device_name
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self.target_device_address = target_device_address
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self.potential_remote_devices = []
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self.rfcomm_socket = None
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self.connected_device = None
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self.connection_failed = False
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self.bt_adapter = autoclass('android.bluetooth.BluetoothAdapter')
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self.bt_device = autoclass('android.bluetooth.BluetoothDevice')
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self.bt_socket = autoclass('android.bluetooth.BluetoothSocket')
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self.bt_rfcomm_service_record = autoclass('java.util.UUID').fromString("00001101-0000-1000-8000-00805F9B34FB")
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self.buffered_input_stream = autoclass('java.io.BufferedInputStream')
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def connect(self, device_address=None):
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self.rfcomm_socket = self.remote_device.createRfcommSocketToServiceRecord(self.bt_rfcomm_service_record)
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def bt_enabled(self):
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return self.bt_adapter.getDefaultAdapter().isEnabled()
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def get_paired_devices(self):
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if self.bt_enabled():
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return self.bt_adapter.getDefaultAdapter().getBondedDevices()
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else:
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RNS.log("Could not query paired devices, Bluetooth is disabled", RNS.LOG_DEBUG)
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return []
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def get_potential_devices(self):
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potential_devices = []
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for device in self.get_paired_devices():
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if self.target_device_address != None:
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if str(device.getAddress()).replace(":", "").lower() == str(self.target_device_address).replace(":", "").lower():
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if self.target_device_name == None:
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potential_devices.append(device)
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else:
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if device.getName().lower() == self.target_device_name.lower():
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potential_devices.append(device)
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elif self.target_device_name != None:
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if device.getName().lower() == self.target_device_name.lower():
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potential_devices.append(device)
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else:
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if device.getName().lower().startswith("rnode "):
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potential_devices.append(device)
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return potential_devices
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def connect_any_device(self):
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if (self.rfcomm_socket != None and not self.rfcomm_socket.isConnected()) or self.rfcomm_socket == None:
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self.connection_failed = False
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if len(self.potential_remote_devices) == 0:
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self.potential_remote_devices = self.get_potential_devices()
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if len(self.potential_remote_devices) == 0:
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RNS.log("No suitable bluetooth devices available, can't connect", RNS.LOG_DEBUG)
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return
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while not self.connected and len(self.potential_remote_devices) > 0:
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device = self.potential_remote_devices.pop()
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try:
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self.rfcomm_socket = device.createRfcommSocketToServiceRecord(self.bt_rfcomm_service_record)
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if self.rfcomm_socket == None:
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raise IOError("Bluetooth stack returned no socket object")
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else:
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if not self.rfcomm_socket.isConnected():
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try:
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self.rfcomm_socket.connect()
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self.rfcomm_reader = self.buffered_input_stream(self.rfcomm_socket.getInputStream(), 1024)
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self.rfcomm_writer = self.rfcomm_socket.getOutputStream()
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self.connected = True
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self.connected_device = device
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RNS.log("Bluetooth device "+str(self.connected_device.getName())+" "+str(self.connected_device.getAddress())+" connected.")
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except Exception as e:
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raise IOError("The Bluetooth RFcomm socket could not be connected: "+str(e))
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except Exception as e:
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RNS.log("Could not create and connect Bluetooth RFcomm socket for "+str(device.getName())+" "+str(device.getAddress()), RNS.LOG_ERROR)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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def close(self):
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if self.connected:
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if self.rfcomm_reader != None:
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self.rfcomm_reader.close()
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self.rfcomm_reader = None
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if self.rfcomm_writer != None:
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self.rfcomm_writer.close()
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self.rfcomm_writer = None
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if self.rfcomm_socket != None:
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self.rfcomm_socket.close()
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self.connected = False
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self.connected_device = None
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self.potential_remote_devices = []
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def read(self, len = None):
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if self.connection_failed:
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raise IOError("Bluetooth connection failed")
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else:
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if self.connected and self.rfcomm_reader != None:
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available = self.rfcomm_reader.available()
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if available > 0:
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return self.rfcomm_reader.readNBytes(available)
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else:
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return bytes([])
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else:
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raise IOError("No RFcomm socket available")
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def write(self, data):
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try:
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self.rfcomm_writer.write(data)
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self.rfcomm_writer.flush()
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return len(data)
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except Exception as e:
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RNS.log("Bluetooth connection failed for "+str(self), RNS.LOG_ERROR)
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self.connection_failed = True
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return 0
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class RNodeInterface(Interface):
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MAX_CHUNK = 32768
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@ -98,11 +221,16 @@ class RNodeInterface(Interface):
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CALLSIGN_MAX_LEN = 32
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REQUIRED_FW_VER_MAJ = 1
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REQUIRED_FW_VER_MIN = 51
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REQUIRED_FW_VER_MIN = 52
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RECONNECT_WAIT = 5
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PORT_IO_TIMEOUT = 3
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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):
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def __init__(
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self, owner, name, port, frequency = None, bandwidth = None, txpower = None,
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sf = None, cr = None, flow_control = False, id_interval = None,
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allow_bluetooth = False, target_device_name = None,
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target_device_address = None, id_callsign = None):
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import importlib
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if RNS.vendor.platformutils.is_android():
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self.on_android = True
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@ -116,6 +244,16 @@ class RNodeInterface(Interface):
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from usbserial4a import serial4a as serial
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self.parity = "N"
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if allow_bluetooth:
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self.bt_manager = AndroidBluetoothManager(
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owner = self,
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target_device_name = target_device_name,
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target_device_address = target_device_address
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)
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else:
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self.bt_manager = None
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else:
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RNS.log("Could not load USB serial module for Android, RNode interface cannot be created.", RNS.LOG_CRITICAL)
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RNS.log("You can install this module by issuing: pip install usbserial4a", RNS.LOG_CRITICAL)
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@ -139,6 +277,7 @@ class RNodeInterface(Interface):
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self.timeout = 150
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self.online = False
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self.hw_errors = []
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self.allow_bluetooth = allow_bluetooth
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self.frequency = frequency
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self.bandwidth = bandwidth
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@ -175,6 +314,9 @@ class RNodeInterface(Interface):
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self.flow_control = flow_control
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self.interface_ready = False
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self.announce_rate_target = None
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self.last_port_io = 0
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self.port_io_timeout = RNodeInterface.PORT_IO_TIMEOUT
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self.last_imagedata = None
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self.validcfg = True
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if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
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@ -215,10 +357,18 @@ class RNodeInterface(Interface):
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try:
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self.open_port()
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if self.serial != None:
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if self.serial.is_open:
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self.configure_device()
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else:
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raise IOError("Could not open serial port")
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elif self.bt_manager != None:
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if self.bt_manager.connected:
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self.configure_device()
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else:
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raise IOError("Could not connect to any Bluetooth devices")
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else:
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raise IOError("Neither serial port nor Bluetooth devices available")
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except Exception as e:
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RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
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@ -230,7 +380,29 @@ class RNodeInterface(Interface):
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thread.start()
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def read_mux(self, len=None):
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if self.serial != None:
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return self.serial.read()
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elif self.bt_manager != None:
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return self.bt_manager.read()
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else:
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raise IOError("No ports available for reading")
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def write_mux(self, data):
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if self.serial != None:
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written = self.serial.write(data)
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self.last_port_io = time.time()
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return written
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elif self.bt_manager != None:
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written = self.bt_manager.write(data)
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if (written == len(data)):
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self.last_port_io = time.time()
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return written
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else:
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raise IOError("No ports available for writing")
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def open_port(self):
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if self.port != None:
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RNS.log("Opening serial port "+self.port+"...")
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# Get device parameters
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from usb4a import usb
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@ -286,6 +458,10 @@ class RNodeInterface(Interface):
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RNS.log(str(self)+" USB read timeout set to "+str(self.serial.USB_READ_TIMEOUT_MILLIS)+"ms", RNS.LOG_DEBUG)
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RNS.log(str(self)+" USB write timeout set to "+str(self.serial.USB_WRITE_TIMEOUT_MILLIS)+"ms", RNS.LOG_DEBUG)
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elif self.allow_bluetooth:
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if self.bt_manager != None:
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self.bt_manager.connect_any_device()
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def configure_device(self):
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sleep(2.0)
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@ -296,7 +472,6 @@ class RNodeInterface(Interface):
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self.detect()
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sleep(0.4)
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if not self.detected:
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raise IOError("Could not detect device")
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else:
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@ -306,7 +481,11 @@ class RNodeInterface(Interface):
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if not self.firmware_ok:
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raise IOError("Invalid device firmware")
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if self.serial != None and self.port != None:
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RNS.log("Serial port "+self.port+" is now open")
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if self.bt_manager != None and self.bt_manager.connected:
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RNS.log("Bluetooth connection to RNode now open")
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RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
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self.initRadio()
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if (self.validateRadioState()):
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@ -318,7 +497,12 @@ class RNodeInterface(Interface):
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RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
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RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
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RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
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if self.serial != None:
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self.serial.close()
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if self.bt_manager != None:
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self.bt_manager.close()
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raise IOError("RNode interface did not pass configuration validation")
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@ -343,27 +527,27 @@ class RNodeInterface(Interface):
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def detect(self):
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kiss_command = bytes([KISS.FEND, KISS.CMD_DETECT, KISS.DETECT_REQ, KISS.FEND, KISS.CMD_FW_VERSION, 0x00, KISS.FEND, KISS.CMD_PLATFORM, 0x00, KISS.FEND, KISS.CMD_MCU, 0x00, KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while detecting hardware for "+self(str))
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raise IOError("An IO error occurred while detecting hardware for "+str(self))
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def leave(self):
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kiss_command = bytes([KISS.FEND, KISS.CMD_LEAVE, 0xFF, KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while sending host left command to device")
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def enable_external_framebuffer(self):
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if self.display != None:
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kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x01, KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while enabling external framebuffer on device")
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def disable_external_framebuffer(self):
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if self.display != None:
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kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x00, KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while disabling external framebuffer on device")
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@ -372,6 +556,7 @@ class RNodeInterface(Interface):
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FB_PIXELS_PER_BYTE = 8//FB_BITS_PER_PIXEL
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FB_BYTES_PER_LINE = FB_PIXEL_WIDTH//FB_PIXELS_PER_BYTE
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def display_image(self, imagedata):
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self.last_imagedata = imagedata
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if self.display != None:
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lines = len(imagedata)//8
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for line in range(lines):
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@ -387,13 +572,13 @@ class RNodeInterface(Interface):
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escaped_data = KISS.escape(data)
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FB_WRITE])+escaped_data+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while writing framebuffer data device")
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def hard_reset(self):
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kiss_command = bytes([KISS.FEND, KISS.CMD_RESET, 0xf8, KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while restarting device")
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sleep(4.0);
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@ -406,9 +591,9 @@ class RNodeInterface(Interface):
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data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FREQUENCY])+data+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while configuring frequency for "+self(str))
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raise IOError("An IO error occurred while configuring frequency for "+str(self))
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def setBandwidth(self):
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c1 = self.bandwidth >> 24
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@ -418,37 +603,37 @@ class RNodeInterface(Interface):
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data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_BANDWIDTH])+data+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while configuring bandwidth for "+self(str))
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raise IOError("An IO error occurred while configuring bandwidth for "+str(self))
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def setTXPower(self):
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txp = bytes([self.txpower])
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXPOWER])+txp+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while configuring TX power for "+self(str))
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raise IOError("An IO error occurred while configuring TX power for "+str(self))
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def setSpreadingFactor(self):
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sf = bytes([self.sf])
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SF])+sf+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while configuring spreading factor for "+self(str))
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raise IOError("An IO error occurred while configuring spreading factor for "+str(self))
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def setCodingRate(self):
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cr = bytes([self.cr])
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_CR])+cr+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while configuring coding rate for "+self(str))
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raise IOError("An IO error occurred while configuring coding rate for "+str(self))
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def setRadioState(self, state):
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self.state = state
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kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_RADIO_STATE])+bytes([state])+bytes([KISS.FEND])
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written = self.serial.write(kiss_command)
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written = self.write_mux(kiss_command)
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if written != len(kiss_command):
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raise IOError("An IO error occurred while configuring radio state for "+self(str))
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raise IOError("An IO error occurred while configuring radio state for "+str(self))
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def validate_firmware(self):
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if (self.maj_version >= RNodeInterface.REQUIRED_FW_VER_MAJ):
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@ -532,7 +717,7 @@ class RNodeInterface(Interface):
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data = KISS.escape(data)
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frame = bytes([0xc0])+bytes([0x00])+data+bytes([0xc0])
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written = self.serial.write(frame)
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written = self.write_mux(frame)
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self.txb += datalen
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if written != len(frame):
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@ -560,11 +745,14 @@ class RNodeInterface(Interface):
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command_buffer = b""
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last_read_ms = int(time.time()*1000)
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# TODO: Ensure hotplug support
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while self.serial.is_open:
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# TODO: Check multibyte reads
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serial_bytes = self.serial.read()
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# TODO: Ensure hotplug support for serial drivers
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# This should work now with the new time-based
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# detect polling.
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while (self.serial != None and self.serial.is_open) or (self.bt_manager != None and self.bt_manager.connected):
|
||||
serial_bytes = self.read_mux()
|
||||
got = len(serial_bytes)
|
||||
if got > 0:
|
||||
self.last_port_io = time.time()
|
||||
|
||||
for byte in serial_bytes:
|
||||
last_read_ms = int(time.time()*1000)
|
||||
@ -737,11 +925,19 @@ class RNodeInterface(Interface):
|
||||
if time.time() > self.first_tx + self.id_interval:
|
||||
RNS.log("Interface "+str(self)+" is transmitting beacon data: "+str(self.id_callsign.decode("utf-8")), RNS.LOG_DEBUG)
|
||||
self.processOutgoing(self.id_callsign)
|
||||
# sleep(0.08)
|
||||
|
||||
if (time.time() - self.last_port_io > self.port_io_timeout):
|
||||
self.detect()
|
||||
|
||||
if (time.time() - self.last_port_io > self.port_io_timeout*3):
|
||||
raise IOError("Connected port for "+str(self)+" became unresponsive")
|
||||
|
||||
if self.bt_manager != None:
|
||||
sleep(0.08)
|
||||
|
||||
except Exception as e:
|
||||
self.online = False
|
||||
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
RNS.log("A serial port occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is now offline.", RNS.LOG_ERROR)
|
||||
|
||||
if RNS.Reticulum.panic_on_interface_error:
|
||||
@ -750,19 +946,43 @@ class RNodeInterface(Interface):
|
||||
RNS.log("Reticulum will attempt to reconnect the interface periodically.", RNS.LOG_ERROR)
|
||||
|
||||
self.online = False
|
||||
|
||||
if self.serial != None:
|
||||
self.serial.close()
|
||||
|
||||
if self.bt_manager != None:
|
||||
self.bt_manager.close()
|
||||
|
||||
self.reconnect_port()
|
||||
|
||||
def reconnect_port(self):
|
||||
while not self.online and len(self.hw_errors) == 0:
|
||||
try:
|
||||
time.sleep(self.reconnect_w)
|
||||
if self.serial != None and self.port != None:
|
||||
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
|
||||
|
||||
if self.bt_manager != None:
|
||||
RNS.log("Attempting to reconnect Bluetooth device for "+str(self)+"...", RNS.LOG_VERBOSE)
|
||||
|
||||
self.open_port()
|
||||
|
||||
if hasattr(self, "serial") and self.serial != None and self.serial.is_open:
|
||||
self.configure_device()
|
||||
if self.online:
|
||||
if self.last_imagedata != None:
|
||||
self.display_image(self.last_imagedata)
|
||||
self.enable_external_framebuffer()
|
||||
|
||||
elif hasattr(self, "bt_manager") and self.bt_manager != None and self.bt_manager.connected:
|
||||
self.configure_device()
|
||||
if self.online:
|
||||
if self.last_imagedata != None:
|
||||
self.display_image(self.last_imagedata)
|
||||
self.enable_external_framebuffer()
|
||||
|
||||
except Exception as e:
|
||||
RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
RNS.log("Error while reconnecting RNode, the contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
|
||||
if self.online:
|
||||
RNS.log("Reconnected serial port for "+str(self))
|
||||
|
||||
Loading…
Reference in New Issue
Block a user