mirror of
https://github.com/markqvist/Reticulum.git
synced 2024-11-22 05:30:17 +00:00
Handle RNode BLE MTU request errors
This commit is contained in:
Mark Qvist
parent
9a8d46ab21
commit
72971d1aef
@ -82,6 +82,7 @@ class KISS():
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ERROR_TXFAILED = 0x02
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ERROR_EEPROM_LOCKED = 0x03
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ERROR_INVALID_FIRMWARE = 0x10
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ERROR_INVALID_BLE_MTU = 0x20
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PLATFORM_AVR = 0x90
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PLATFORM_ESP32 = 0x80
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@ -415,6 +416,7 @@ class RNodeInterface(Interface):
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self.last_id = 0
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self.first_tx = None
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self.reconnect_w = RNodeInterface.RECONNECT_WAIT
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self.reconnect_lock = threading.Lock()
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self.r_frequency = None
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self.r_bandwidth = None
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@ -517,9 +519,7 @@ class RNodeInterface(Interface):
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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if len(self.hw_errors) == 0:
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RNS.log("Reticulum will attempt to bring up this interface periodically", RNS.LOG_ERROR)
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thread = threading.Thread(target=self.reconnect_port)
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thread.daemon = True
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thread.start()
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thread = threading.Thread(target=self.reconnect_port, daemon=True).start()
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def read_mux(self, len=None):
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@ -543,6 +543,15 @@ class RNodeInterface(Interface):
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else:
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raise IOError("No ports available for writing")
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# def reset_ble(self):
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# RNS.log(f"Clearing previous connection instance: "+str(self.ble))
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# del self.ble
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# self.ble = None
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# self.serial = None
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# self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
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# self.serial = self.ble
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# RNS.log(f"New connection instance: "+str(self.ble))
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def open_port(self):
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if not self.use_ble:
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if self.port != None:
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@ -623,10 +632,9 @@ class RNodeInterface(Interface):
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def configure_device(self):
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self.resetRadioState()
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sleep(2.0)
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thread = threading.Thread(target=self.readLoop)
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thread.daemon = True
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thread.start()
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thread = threading.Thread(target=self.readLoop, daemon=True).start()
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self.detect()
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if not self.use_ble:
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@ -859,6 +867,9 @@ class RNodeInterface(Interface):
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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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self.firmware_ok = True
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else:
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if (self.maj_version >= RNodeInterface.REQUIRED_FW_VER_MAJ):
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if (self.min_version >= RNodeInterface.REQUIRED_FW_VER_MIN):
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self.firmware_ok = True
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@ -868,7 +879,7 @@ class RNodeInterface(Interface):
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RNS.log("The firmware version of the connected RNode is "+str(self.maj_version)+"."+str(self.min_version), RNS.LOG_ERROR)
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RNS.log("This version of Reticulum requires at least version "+str(RNodeInterface.REQUIRED_FW_VER_MAJ)+"."+str(RNodeInterface.REQUIRED_FW_VER_MIN), RNS.LOG_ERROR)
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RNS.log("Please update your RNode firmware with rnodeconf from https://github.com/markqvist/rnodeconfigutil/")
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RNS.log("Please update your RNode firmware with rnodeconf from https://github.com/markqvist/reticulum/")
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error_description = "The firmware version of the connected RNode is "+str(self.maj_version)+"."+str(self.min_version)+". "
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error_description += "This version of Reticulum requires at least version "+str(RNodeInterface.REQUIRED_FW_VER_MAJ)+"."+str(RNodeInterface.REQUIRED_FW_VER_MIN)+". "
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error_description += "Please update your RNode firmware with rnodeconf from: https://github.com/markqvist/rnodeconfigutil/"
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@ -876,7 +887,7 @@ class RNodeInterface(Interface):
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def validateRadioState(self):
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RNS.log("Wating for radio configuration validation for "+str(self)+"...", RNS.LOG_VERBOSE)
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RNS.log("Waiting for radio configuration validation for "+str(self)+"...", RNS.LOG_VERBOSE)
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if not self.platform == KISS.PLATFORM_ESP32:
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sleep(1.00);
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else:
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@ -904,6 +915,13 @@ class RNodeInterface(Interface):
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else:
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return False
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def resetRadioState(self):
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self.r_frequency = None
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self.r_bandwidth = None
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self.r_txpower = None
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self.r_sf = None
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self.r_cr = None
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self.r_state = None
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def updateBitrate(self):
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try:
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@ -1287,6 +1305,11 @@ class RNodeInterface(Interface):
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self.reconnect_port()
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def reconnect_port(self):
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if self.reconnect_lock.locked():
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RNS.log("Dropping superflous reconnect port job")
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return
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with self.reconnect_lock:
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while not self.online and len(self.hw_errors) == 0:
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try:
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time.sleep(self.reconnect_w)
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@ -1367,9 +1390,12 @@ class BLEConnection(BluetoothDispatcher):
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UART_RX_CHAR_UUID = "6e400002-b5a3-f393-e0a9-e50e24dcca9e"
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UART_TX_CHAR_UUID = "6e400003-b5a3-f393-e0a9-e50e24dcca9e"
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MAX_GATT_ATTR_LEN = 512
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BASE_MTU = 20
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TARGET_MTU = 512
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SCAN_TIMEOUT = 2.0
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MTU_TIMEOUT = 4.0
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CONNECT_TIMEOUT = 7.0
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RECONNECT_WAIT = 1.0
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@property
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def is_open(self):
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@ -1394,19 +1420,26 @@ class BLEConnection(BluetoothDispatcher):
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try:
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if self.connected:
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RNS.log(f"Disconnecting BLE device from {self.owner}", RNS.LOG_DEBUG)
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RNS.log("Waiting for BLE write buffer to empty...")
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while self.owner.ble_waiting():
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# RNS.log("Waiting for BLE write buffer to empty...")
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timeout = time.time() + 10
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while self.owner.ble_waiting() and self.write_thread != None and time.time() < timeout:
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time.sleep(0.1)
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RNS.log("Writing concluded")
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# if time.time() > timeout:
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# RNS.log("Writing timed out")
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# else:
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# RNS.log("Writing concluded")
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self.rx_char = None
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self.tx_char = None
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self.mtu = BLEConnection.BASE_MTU
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self.mtu_requested_time = None
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RNS.log("Waiting for write thread to finish...")
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if self.write_thread != None:
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# RNS.log("Waiting for write thread to finish...")
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while self.write_thread != None:
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time.sleep(0.1)
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RNS.log("Writing finished, closing GATT connection")
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# RNS.log("Writing finished, closing GATT connection")
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self.close_gatt()
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with self.owner.ble_rx_lock:
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@ -1415,6 +1448,9 @@ class BLEConnection(BluetoothDispatcher):
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with self.owner.ble_tx_lock:
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self.owner.ble_tx_queue = b""
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self.connected = False
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self.ble_device = None
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except Exception as e:
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RNS.log("An error occurred while closing BLE connection for {self.owner}: {e}", RNS.LOG_ERROR)
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RNS.trace_exception(e)
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@ -1424,15 +1460,20 @@ class BLEConnection(BluetoothDispatcher):
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self.owner = owner
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self.target_name = target_name
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self.target_bt_addr = target_bt_addr
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self.scan_timeout = BLEConnection.SCAN_TIMEOUT
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self.connect_timeout = BLEConnection.CONNECT_TIMEOUT
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self.ble_device = None
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self.rx_char = None
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self.tx_char = None
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self.connected = False
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self.was_connected = False
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self.connected_time = None
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self.mtu_requested_time = None
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self.running = False
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self.should_run = False
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self.connect_job_running = False
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self.write_thread = None
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self.mtu = 20
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self.mtu = BLEConnection.BASE_MTU
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self.target_mtu = BLEConnection.TARGET_MTU
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self.bt_manager = AndroidBluetoothManager(owner=self)
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@ -1462,13 +1503,23 @@ class BLEConnection(BluetoothDispatcher):
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if self.ble_device != None:
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if not self.connected:
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if self.was_connected:
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RNS.log(f"Throttling BLE reconnect for {BLEConnection.RECONNECT_WAIT} seconds", RNS.LOG_DEBUG)
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time.sleep(BLEConnection.RECONNECT_WAIT)
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self.connect_device()
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else:
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if self.connected:
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RNS.log("Bluetooth was disabled, closing active BLE device connection", RNS.LOG_ERROR)
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self.close()
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time.sleep(2)
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def connect_device(self):
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if self.ble_device != None and self.bt_manager.bt_enabled():
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RNS.log(f"Trying to connect BLE device {self.ble_device.getName()} / {self.ble_device.getAddress()} for {self.owner}...", RNS.LOG_DEBUG)
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self.mtu = BLEConnection.BASE_MTU
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self.connect_by_device_address(self.ble_device.getAddress())
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end = time.time() + BLEConnection.CONNECT_TIMEOUT
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while time.time() < end and not self.connected:
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@ -1480,6 +1531,12 @@ class BLEConnection(BluetoothDispatcher):
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self.write_thread.start()
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else:
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RNS.log(f"BLE device connection timed out for {self.owner}", RNS.LOG_DEBUG)
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if self.mtu_requested_time:
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RNS.log("MTU update timeout, tearing down connection")
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self.owner.hw_errors.append({"error": KISS.ERROR_INVALID_BLE_MTU, "description": "The Bluetooth Low Energy transfer MTU could not be configured for the connected device, and communication has failed. Restart Reticulum and any connected applications to retry connecting."})
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self.close()
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self.should_run = False
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self.close_gatt()
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self.connect_job_running = False
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@ -1515,8 +1572,6 @@ class BLEConnection(BluetoothDispatcher):
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found_device = device
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break
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RNS.log("Found device "+str(found_device))
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return found_device
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def on_connection_state_change(self, status, state):
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@ -1526,7 +1581,7 @@ class BLEConnection(BluetoothDispatcher):
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self.device_disconnected()
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def on_services(self, status, services):
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self.request_mtu(BLEConnection.MAX_GATT_ATTR_LEN)
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if status == GATT_SUCCESS:
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self.rx_char = services.search(BLEConnection.UART_RX_CHAR_UUID)
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if self.rx_char is not None:
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@ -1534,13 +1589,29 @@ class BLEConnection(BluetoothDispatcher):
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if self.tx_char is not None:
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if self.enable_notifications(self.tx_char):
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RNS.log("Enabled notifications for BLE TX characteristic")
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self.connected = True
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RNS.log("Enabled notifications for BLE TX characteristic", RNS.LOG_DEBUG)
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RNS.log(f"Requesting BLE connection MTU update to {self.target_mtu}", RNS.LOG_DEBUG)
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self.mtu_requested_time = time.time()
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self.request_mtu(self.target_mtu)
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else:
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RNS.log("Could not enable notifications for BLE TX characteristic", RNS.LOG_ERROR)
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else:
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RNS.log("BLE device service discovery failure", RNS.LOG_ERROR)
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def on_mtu_changed(self, mtu, status):
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if status == GATT_SUCCESS:
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self.mtu = min(mtu-5, BLEConnection.MAX_GATT_ATTR_LEN)
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RNS.log(f"BLE MTU updated to {self.mtu} for {self.owner}", RNS.LOG_DEBUG)
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self.connected = True
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self.was_connected = True
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self.connected_time = time.time()
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self.mtu_requested_time = None
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else:
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RNS.log(f"MTU update request did not succeed, mtu={mtu}, status={status}", RNS.LOG_ERROR)
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def on_characteristic_changed(self, characteristic):
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if characteristic.getUuid().toString() == BLEConnection.UART_TX_CHAR_UUID:
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