mirror of
https://github.com/markqvist/Reticulum.git
synced 2024-12-24 21:00:17 +00:00
1651 lines
73 KiB
Python
1651 lines
73 KiB
Python
# MIT License
|
|
#
|
|
# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in all
|
|
# copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
|
|
from RNS.Interfaces.Interface import Interface
|
|
from time import sleep
|
|
import sys
|
|
import threading
|
|
import time
|
|
import math
|
|
import RNS
|
|
|
|
try:
|
|
from able import BluetoothDispatcher, GATT_SUCCESS
|
|
except Exception as e:
|
|
GATT_SUCCESS = 0x00
|
|
class BluetoothDispatcher():
|
|
def __init__(**kwargs):
|
|
RNS.log("Attempt to initialise BLE connectivity, but Android BLE support library is unavailable", RNS.LOG_ERROR)
|
|
raise OSError("No BLE support available")
|
|
|
|
class KISS():
|
|
FEND = 0xC0
|
|
FESC = 0xDB
|
|
TFEND = 0xDC
|
|
TFESC = 0xDD
|
|
|
|
CMD_UNKNOWN = 0xFE
|
|
CMD_DATA = 0x00
|
|
CMD_FREQUENCY = 0x01
|
|
CMD_BANDWIDTH = 0x02
|
|
CMD_TXPOWER = 0x03
|
|
CMD_SF = 0x04
|
|
CMD_CR = 0x05
|
|
CMD_RADIO_STATE = 0x06
|
|
CMD_RADIO_LOCK = 0x07
|
|
CMD_ST_ALOCK = 0x0B
|
|
CMD_LT_ALOCK = 0x0C
|
|
CMD_DETECT = 0x08
|
|
CMD_LEAVE = 0x0A
|
|
CMD_READY = 0x0F
|
|
CMD_STAT_RX = 0x21
|
|
CMD_STAT_TX = 0x22
|
|
CMD_STAT_RSSI = 0x23
|
|
CMD_STAT_SNR = 0x24
|
|
CMD_STAT_CHTM = 0x25
|
|
CMD_STAT_PHYPRM = 0x26
|
|
CMD_STAT_BAT = 0x27
|
|
CMD_BLINK = 0x30
|
|
CMD_RANDOM = 0x40
|
|
CMD_FB_EXT = 0x41
|
|
CMD_FB_READ = 0x42
|
|
CMD_FB_WRITE = 0x43
|
|
CMD_BT_CTRL = 0x46
|
|
CMD_PLATFORM = 0x48
|
|
CMD_MCU = 0x49
|
|
CMD_FW_VERSION = 0x50
|
|
CMD_ROM_READ = 0x51
|
|
CMD_RESET = 0x55
|
|
|
|
DETECT_REQ = 0x73
|
|
DETECT_RESP = 0x46
|
|
|
|
RADIO_STATE_OFF = 0x00
|
|
RADIO_STATE_ON = 0x01
|
|
RADIO_STATE_ASK = 0xFF
|
|
|
|
CMD_ERROR = 0x90
|
|
ERROR_INITRADIO = 0x01
|
|
ERROR_TXFAILED = 0x02
|
|
ERROR_EEPROM_LOCKED = 0x03
|
|
ERROR_QUEUE_FULL = 0x04
|
|
ERROR_MEMORY_LOW = 0x05
|
|
ERROR_MODEM_TIMEOUT = 0x06
|
|
ERROR_INVALID_FIRMWARE = 0x10
|
|
ERROR_INVALID_BLE_MTU = 0x20
|
|
|
|
PLATFORM_AVR = 0x90
|
|
PLATFORM_ESP32 = 0x80
|
|
PLATFORM_NRF52 = 0x70
|
|
|
|
@staticmethod
|
|
def escape(data):
|
|
data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd]))
|
|
data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc]))
|
|
return data
|
|
|
|
class AndroidBluetoothManager():
|
|
DEVICE_TYPE_CLASSIC = 1
|
|
DEVICE_TYPE_LE = 2
|
|
DEVICE_TYPE_DUAL = 3
|
|
|
|
def __init__(self, owner, target_device_name = None, target_device_address = None):
|
|
from jnius import autoclass
|
|
self.owner = owner
|
|
self.connected = False
|
|
self.target_device_name = target_device_name
|
|
self.target_device_address = target_device_address
|
|
self.potential_remote_devices = []
|
|
self.rfcomm_socket = None
|
|
self.connected_device = None
|
|
self.connection_failed = False
|
|
self.bt_adapter = autoclass('android.bluetooth.BluetoothAdapter')
|
|
self.bt_device = autoclass('android.bluetooth.BluetoothDevice')
|
|
self.bt_socket = autoclass('android.bluetooth.BluetoothSocket')
|
|
self.bt_rfcomm_service_record = autoclass('java.util.UUID').fromString("00001101-0000-1000-8000-00805F9B34FB")
|
|
self.buffered_input_stream = autoclass('java.io.BufferedInputStream')
|
|
|
|
def connect(self, device_address=None):
|
|
self.rfcomm_socket = self.remote_device.createRfcommSocketToServiceRecord(self.bt_rfcomm_service_record)
|
|
|
|
def bt_enabled(self):
|
|
return self.bt_adapter.getDefaultAdapter().isEnabled()
|
|
|
|
def get_paired_devices(self):
|
|
if self.bt_enabled():
|
|
return self.bt_adapter.getDefaultAdapter().getBondedDevices()
|
|
else:
|
|
RNS.log("Could not query paired devices, Bluetooth is disabled", RNS.LOG_EXTREME)
|
|
return []
|
|
|
|
def get_potential_devices(self):
|
|
potential_devices = []
|
|
for device in self.get_paired_devices():
|
|
if self.target_device_address != None:
|
|
if str(device.getAddress()).replace(":", "").lower() == str(self.target_device_address).replace(":", "").lower():
|
|
if self.target_device_name == None:
|
|
potential_devices.append(device)
|
|
else:
|
|
if device.getName().lower() == self.target_device_name.lower():
|
|
potential_devices.append(device)
|
|
|
|
elif self.target_device_name != None:
|
|
if device.getName().lower() == self.target_device_name.lower():
|
|
potential_devices.append(device)
|
|
|
|
else:
|
|
if device.getName().lower().startswith("rnode "):
|
|
potential_devices.append(device)
|
|
|
|
return potential_devices
|
|
|
|
def connect_any_device(self):
|
|
if (self.rfcomm_socket != None and not self.rfcomm_socket.isConnected()) or self.rfcomm_socket == None:
|
|
self.connection_failed = False
|
|
if len(self.potential_remote_devices) == 0:
|
|
self.potential_remote_devices = self.get_potential_devices()
|
|
if len(self.potential_remote_devices) == 0:
|
|
RNS.log("No suitable bluetooth devices available, can't connect", RNS.LOG_DEBUG)
|
|
return
|
|
|
|
while not self.connected and len(self.potential_remote_devices) > 0:
|
|
device = self.potential_remote_devices.pop()
|
|
try:
|
|
self.rfcomm_socket = device.createRfcommSocketToServiceRecord(self.bt_rfcomm_service_record)
|
|
if self.rfcomm_socket == None:
|
|
raise IOError("Bluetooth stack returned no socket object")
|
|
else:
|
|
if not self.rfcomm_socket.isConnected():
|
|
try:
|
|
self.rfcomm_socket.connect()
|
|
self.rfcomm_reader = self.buffered_input_stream(self.rfcomm_socket.getInputStream(), 1024)
|
|
self.rfcomm_writer = self.rfcomm_socket.getOutputStream()
|
|
self.connected = True
|
|
self.connected_device = device
|
|
RNS.log("Bluetooth device "+str(self.connected_device.getName())+" "+str(self.connected_device.getAddress())+" connected.")
|
|
except Exception as e:
|
|
raise IOError("The Bluetooth RFcomm socket could not be connected: "+str(e))
|
|
|
|
except Exception as e:
|
|
RNS.log("Could not create and connect Bluetooth RFcomm socket for "+str(device.getName())+" "+str(device.getAddress()), RNS.LOG_EXTREME)
|
|
RNS.log("The contained exception was: "+str(e), RNS.LOG_EXTREME)
|
|
|
|
def close(self):
|
|
if self.connected:
|
|
if self.rfcomm_reader != None:
|
|
self.rfcomm_reader.close()
|
|
self.rfcomm_reader = None
|
|
|
|
if self.rfcomm_writer != None:
|
|
self.rfcomm_writer.close()
|
|
self.rfcomm_writer = None
|
|
|
|
if self.rfcomm_socket != None:
|
|
self.rfcomm_socket.close()
|
|
|
|
self.connected = False
|
|
self.connected_device = None
|
|
self.potential_remote_devices = []
|
|
|
|
|
|
def read(self, len = None):
|
|
if self.connection_failed:
|
|
raise IOError("Bluetooth connection failed")
|
|
else:
|
|
if self.connected and self.rfcomm_reader != None:
|
|
available = self.rfcomm_reader.available()
|
|
if available > 0:
|
|
if hasattr(self.rfcomm_reader, "readNBytes"):
|
|
return self.rfcomm_reader.readNBytes(available)
|
|
else:
|
|
# Compatibility mode for older android versions lacking readNBytes
|
|
rb = self.rfcomm_reader.read().to_bytes(1, "big")
|
|
return rb
|
|
else:
|
|
return bytes([])
|
|
else:
|
|
raise IOError("No RFcomm socket available")
|
|
|
|
def write(self, data):
|
|
try:
|
|
self.rfcomm_writer.write(data)
|
|
self.rfcomm_writer.flush()
|
|
return len(data)
|
|
except Exception as e:
|
|
RNS.log("Bluetooth connection failed for "+str(self), RNS.LOG_ERROR)
|
|
self.connection_failed = True
|
|
return 0
|
|
|
|
|
|
class RNodeInterface(Interface):
|
|
MAX_CHUNK = 32768
|
|
DEFAULT_IFAC_SIZE = 8
|
|
|
|
FREQ_MIN = 137000000
|
|
FREQ_MAX = 1020000000
|
|
|
|
RSSI_OFFSET = 157
|
|
|
|
CALLSIGN_MAX_LEN = 32
|
|
|
|
REQUIRED_FW_VER_MAJ = 1
|
|
REQUIRED_FW_VER_MIN = 52
|
|
|
|
RECONNECT_WAIT = 5
|
|
PORT_IO_TIMEOUT = 3
|
|
|
|
Q_SNR_MIN_BASE = -9
|
|
Q_SNR_MAX = 6
|
|
Q_SNR_STEP = 2
|
|
|
|
BATTERY_STATE_UNKNOWN = 0x00
|
|
BATTERY_STATE_DISCHARGING = 0x01
|
|
BATTERY_STATE_CHARGING = 0x02
|
|
BATTERY_STATE_CHARGED = 0x03
|
|
|
|
@classmethod
|
|
def bluetooth_control(device_serial = None, port = None, enable_bluetooth = False, disable_bluetooth = False, pairing_mode = False):
|
|
if (port != None or device_serial != None) and (enable_bluetooth or disable_bluetooth or pairing_mode):
|
|
serial = None
|
|
bluetooth_state = None
|
|
if pairing_mode:
|
|
bluetooth_state = 0x01
|
|
elif enable_bluetooth:
|
|
bluetooth_state = 0x01
|
|
elif disable_bluetooth:
|
|
bluetooth_state = 0x00
|
|
|
|
if port != None:
|
|
RNS.log("Opening serial port "+port+"...")
|
|
# Get device parameters
|
|
from usb4a import usb
|
|
device = usb.get_usb_device(port)
|
|
if device:
|
|
vid = device.getVendorId()
|
|
pid = device.getProductId()
|
|
|
|
# Driver overrides for speficic chips
|
|
from usbserial4a import serial4a as pyserial
|
|
proxy = pyserial.get_serial_port
|
|
if vid == 0x1A86 and pid == 0x55D4:
|
|
# Force CDC driver for Qinheng CH34x
|
|
RNS.log("Using CDC driver for "+RNS.hexrep(vid)+":"+RNS.hexrep(pid), RNS.LOG_DEBUG)
|
|
from usbserial4a.cdcacmserial4a import CdcAcmSerial
|
|
proxy = CdcAcmSerial
|
|
|
|
serial = proxy(
|
|
port,
|
|
baudrate = 115200,
|
|
bytesize = 8,
|
|
parity = "N",
|
|
stopbits = 1,
|
|
xonxoff = False,
|
|
rtscts = False,
|
|
timeout = None,
|
|
inter_byte_timeout = None,
|
|
# write_timeout = wtimeout,
|
|
dsrdtr = False,
|
|
)
|
|
|
|
if vid == 0x0403:
|
|
# Hardware parameters for FTDI devices @ 115200 baud
|
|
serial.DEFAULT_READ_BUFFER_SIZE = 16 * 1024
|
|
serial.USB_READ_TIMEOUT_MILLIS = 100
|
|
serial.timeout = 0.1
|
|
elif vid == 0x10C4:
|
|
# Hardware parameters for SiLabs CP210x @ 115200 baud
|
|
serial.DEFAULT_READ_BUFFER_SIZE = 64
|
|
serial.USB_READ_TIMEOUT_MILLIS = 12
|
|
serial.timeout = 0.012
|
|
elif vid == 0x1A86 and pid == 0x55D4:
|
|
# Hardware parameters for Qinheng CH34x @ 115200 baud
|
|
serial.DEFAULT_READ_BUFFER_SIZE = 64
|
|
serial.USB_READ_TIMEOUT_MILLIS = 12
|
|
serial.timeout = 0.1
|
|
else:
|
|
# Default values
|
|
serial.DEFAULT_READ_BUFFER_SIZE = 1 * 1024
|
|
serial.USB_READ_TIMEOUT_MILLIS = 100
|
|
serial.timeout = 0.1
|
|
|
|
elif device_serial != None:
|
|
serial = device_serial
|
|
|
|
if serial != None:
|
|
if serial.is_open:
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_BT_CTRL, bluetooth_state, KISS.FEND])
|
|
serial.write(kiss_command)
|
|
if pairing_mode:
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_BT_CTRL, 0x02, KISS.FEND])
|
|
serial.write(kiss_command)
|
|
|
|
if port != None:
|
|
serial.close()
|
|
|
|
|
|
def __init__(self, owner, configuration):
|
|
c = Interface.get_config_obj(configuration)
|
|
name = c["name"]
|
|
allow_bluetooth = c.as_bool("allow_bluetooth") if "allow_bluetooth" in c else False
|
|
target_device_name = c["target_device_name"] if "target_device_name" in c else None
|
|
target_device_address = c["target_device_address"] if "target_device_address" in c else None
|
|
ble_name = c["ble_name"] if "ble_name" in c else None
|
|
ble_addr = c["ble_addr"] if "ble_addr" in c else None
|
|
force_ble = c["force_ble"] if "force_ble" in c else False
|
|
frequency = int(c["frequency"]) if "frequency" in c else 0
|
|
bandwidth = int(c["bandwidth"]) if "bandwidth" in c else 0
|
|
txpower = int(c["txpower"]) if "txpower" in c else 0
|
|
sf = int(c["spreadingfactor"]) if "spreadingfactor" in c else 0
|
|
cr = int(c["codingrate"]) if "codingrate" in c else 0
|
|
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 and c["id_interval"] != None else None
|
|
id_callsign = c["id_callsign"] if "id_callsign" in c else None
|
|
st_alock = float(c["airtime_limit_short"]) if "airtime_limit_short" in c and c["airtime_limit_short"] != None else None
|
|
lt_alock = float(c["airtime_limit_long"]) if "airtime_limit_long" in c and c["airtime_limit_long"] != None else None
|
|
port = c["port"] if "port" in c else None
|
|
|
|
import importlib
|
|
if RNS.vendor.platformutils.is_android():
|
|
self.on_android = True
|
|
if importlib.util.find_spec('usbserial4a') != None:
|
|
if importlib.util.find_spec('jnius') == None:
|
|
RNS.log("Could not load jnius API wrapper for Android, RNode interface cannot be created.", RNS.LOG_CRITICAL)
|
|
RNS.log("This probably means you are trying to use an USB-based interface from within Termux or similar.", RNS.LOG_CRITICAL)
|
|
RNS.log("This is currently not possible, due to this environment limiting access to the native Android APIs.", RNS.LOG_CRITICAL)
|
|
RNS.panic()
|
|
|
|
from usbserial4a import serial4a as serial
|
|
self.parity = "N"
|
|
|
|
self.bt_target_device_name = target_device_name
|
|
self.bt_target_device_address = target_device_address
|
|
if allow_bluetooth:
|
|
self.bt_manager = AndroidBluetoothManager(
|
|
owner = self,
|
|
target_device_name = self.bt_target_device_name,
|
|
target_device_address = self.bt_target_device_address
|
|
)
|
|
|
|
else:
|
|
self.bt_manager = None
|
|
|
|
else:
|
|
RNS.log("Could not load USB serial module for Android, RNode interface cannot be created.", RNS.LOG_CRITICAL)
|
|
RNS.log("You can install this module by issuing: pip install usbserial4a", RNS.LOG_CRITICAL)
|
|
RNS.panic()
|
|
else:
|
|
raise SystemError("Android-specific interface was used on non-Android OS")
|
|
|
|
super().__init__()
|
|
|
|
self.HW_MTU = 508
|
|
|
|
self.pyserial = serial
|
|
self.serial = None
|
|
self.owner = owner
|
|
self.name = name
|
|
self.port = port
|
|
self.speed = 115200
|
|
self.databits = 8
|
|
self.stopbits = 1
|
|
self.timeout = 150
|
|
self.online = False
|
|
self.detached = False
|
|
self.hw_errors = []
|
|
self.allow_bluetooth = allow_bluetooth
|
|
|
|
self.use_ble = False
|
|
self.ble_name = ble_name
|
|
self.ble_addr = ble_addr
|
|
self.ble = None
|
|
self.ble_rx_lock = threading.Lock()
|
|
self.ble_tx_lock = threading.Lock()
|
|
self.ble_rx_queue= b""
|
|
self.ble_tx_queue= b""
|
|
|
|
self.frequency = frequency
|
|
self.bandwidth = bandwidth
|
|
self.txpower = txpower
|
|
self.sf = sf
|
|
self.cr = cr
|
|
self.state = KISS.RADIO_STATE_OFF
|
|
self.bitrate = 0
|
|
self.st_alock = st_alock
|
|
self.lt_alock = lt_alock
|
|
self.platform = None
|
|
self.display = None
|
|
self.mcu = None
|
|
self.detected = False
|
|
self.firmware_ok = False
|
|
self.maj_version = 0
|
|
self.min_version = 0
|
|
|
|
self.last_id = 0
|
|
self.first_tx = None
|
|
self.reconnect_w = RNodeInterface.RECONNECT_WAIT
|
|
self.reconnect_lock = threading.Lock()
|
|
|
|
self.r_frequency = None
|
|
self.r_bandwidth = None
|
|
self.r_txpower = None
|
|
self.r_sf = None
|
|
self.r_cr = None
|
|
self.r_state = None
|
|
self.r_lock = None
|
|
self.r_stat_rx = None
|
|
self.r_stat_tx = None
|
|
self.r_stat_rssi = None
|
|
self.r_stat_snr = None
|
|
self.r_st_alock = None
|
|
self.r_lt_alock = None
|
|
self.r_random = None
|
|
self.r_airtime_short = 0.0
|
|
self.r_airtime_long = 0.0
|
|
self.r_channel_load_short = 0.0
|
|
self.r_channel_load_long = 0.0
|
|
self.r_symbol_time_ms = None
|
|
self.r_symbol_rate = None
|
|
self.r_preamble_symbols = None
|
|
self.r_premable_time_ms = None
|
|
self.r_battery_state = RNodeInterface.BATTERY_STATE_UNKNOWN
|
|
self.r_battery_percent = 0
|
|
|
|
self.packet_queue = []
|
|
self.flow_control = flow_control
|
|
self.interface_ready = False
|
|
self.announce_rate_target = None
|
|
self.last_port_io = 0
|
|
self.port_io_timeout = RNodeInterface.PORT_IO_TIMEOUT
|
|
self.last_imagedata = None
|
|
|
|
if force_ble or self.ble_addr != None or self.ble_name != None:
|
|
self.use_ble = True
|
|
|
|
self.validcfg = True
|
|
if (self.frequency < RNodeInterface.FREQ_MIN or self.frequency > RNodeInterface.FREQ_MAX):
|
|
RNS.log("Invalid frequency configured for "+str(self), RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.txpower < 0 or self.txpower > 22):
|
|
RNS.log("Invalid TX power configured for "+str(self), RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.bandwidth < 7800 or self.bandwidth > 500000):
|
|
RNS.log("Invalid bandwidth configured for "+str(self), RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.sf < 5 or self.sf > 12):
|
|
RNS.log("Invalid spreading factor configured for "+str(self), RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.cr < 5 or self.cr > 8):
|
|
RNS.log("Invalid coding rate configured for "+str(self), RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.st_alock and (self.st_alock < 0.0 or self.st_alock > 100.0)):
|
|
RNS.log("Invalid short-term airtime limit configured for "+str(self), RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.lt_alock and (self.lt_alock < 0.0 or self.lt_alock > 100.0)):
|
|
RNS.log("Invalid long-term airtime limit 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.encode("utf-8")
|
|
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")
|
|
|
|
try:
|
|
self.open_port()
|
|
|
|
if self.serial != None:
|
|
if self.serial.is_open:
|
|
self.configure_device()
|
|
else:
|
|
raise IOError("Could not open serial port")
|
|
elif self.bt_manager != None:
|
|
if self.bt_manager.connected:
|
|
self.configure_device()
|
|
else:
|
|
raise IOError("Could not connect to any Bluetooth devices")
|
|
else:
|
|
raise IOError("Neither serial port nor Bluetooth devices available")
|
|
|
|
except Exception as e:
|
|
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
|
|
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
|
|
if len(self.hw_errors) == 0:
|
|
RNS.log("Reticulum will attempt to bring up this interface periodically", RNS.LOG_ERROR)
|
|
thread = threading.Thread(target=self.reconnect_port, daemon=True).start()
|
|
|
|
|
|
def read_mux(self, len=None):
|
|
if self.serial != None:
|
|
return self.serial.read()
|
|
elif self.bt_manager != None:
|
|
return self.bt_manager.read()
|
|
else:
|
|
raise IOError("No ports available for reading")
|
|
|
|
def write_mux(self, data):
|
|
if self.serial != None:
|
|
written = self.serial.write(data)
|
|
self.last_port_io = time.time()
|
|
return written
|
|
elif self.bt_manager != None:
|
|
written = self.bt_manager.write(data)
|
|
if (written == len(data)):
|
|
self.last_port_io = time.time()
|
|
return written
|
|
else:
|
|
raise IOError("No ports available for writing")
|
|
|
|
# def reset_ble(self):
|
|
# RNS.log(f"Clearing previous connection instance: "+str(self.ble))
|
|
# del self.ble
|
|
# self.ble = None
|
|
# self.serial = None
|
|
# self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
|
|
# self.serial = self.ble
|
|
# RNS.log(f"New connection instance: "+str(self.ble))
|
|
|
|
def open_port(self):
|
|
if not self.use_ble:
|
|
if self.port != None:
|
|
RNS.log("Opening serial port "+self.port+"...")
|
|
# Get device parameters
|
|
from usb4a import usb
|
|
device = usb.get_usb_device(self.port)
|
|
if device:
|
|
vid = device.getVendorId()
|
|
pid = device.getProductId()
|
|
|
|
# Driver overrides for speficic chips
|
|
proxy = self.pyserial.get_serial_port
|
|
if vid == 0x1A86 and pid == 0x55D4:
|
|
# Force CDC driver for Qinheng CH34x
|
|
RNS.log(str(self)+" using CDC driver for "+RNS.hexrep(vid)+":"+RNS.hexrep(pid), RNS.LOG_DEBUG)
|
|
from usbserial4a.cdcacmserial4a import CdcAcmSerial
|
|
proxy = CdcAcmSerial
|
|
|
|
self.serial = proxy(
|
|
self.port,
|
|
baudrate = self.speed,
|
|
bytesize = self.databits,
|
|
parity = self.parity,
|
|
stopbits = self.stopbits,
|
|
xonxoff = False,
|
|
rtscts = False,
|
|
timeout = None,
|
|
inter_byte_timeout = None,
|
|
# write_timeout = wtimeout,
|
|
dsrdtr = False,
|
|
)
|
|
|
|
if vid == 0x0403:
|
|
# Hardware parameters for FTDI devices @ 115200 baud
|
|
self.serial.DEFAULT_READ_BUFFER_SIZE = 16 * 1024
|
|
self.serial.USB_READ_TIMEOUT_MILLIS = 100
|
|
self.serial.timeout = 0.1
|
|
elif vid == 0x10C4:
|
|
# Hardware parameters for SiLabs CP210x @ 115200 baud
|
|
self.serial.DEFAULT_READ_BUFFER_SIZE = 64
|
|
self.serial.USB_READ_TIMEOUT_MILLIS = 12
|
|
self.serial.timeout = 0.012
|
|
elif vid == 0x1A86 and pid == 0x55D4:
|
|
# Hardware parameters for Qinheng CH34x @ 115200 baud
|
|
self.serial.DEFAULT_READ_BUFFER_SIZE = 64
|
|
self.serial.USB_READ_TIMEOUT_MILLIS = 12
|
|
self.serial.timeout = 0.1
|
|
else:
|
|
# Default values
|
|
self.serial.DEFAULT_READ_BUFFER_SIZE = 1 * 1024
|
|
self.serial.USB_READ_TIMEOUT_MILLIS = 100
|
|
self.serial.timeout = 0.1
|
|
|
|
RNS.log(str(self)+" USB read buffer size set to "+RNS.prettysize(self.serial.DEFAULT_READ_BUFFER_SIZE), RNS.LOG_DEBUG)
|
|
RNS.log(str(self)+" USB read timeout set to "+str(self.serial.USB_READ_TIMEOUT_MILLIS)+"ms", RNS.LOG_DEBUG)
|
|
RNS.log(str(self)+" USB write timeout set to "+str(self.serial.USB_WRITE_TIMEOUT_MILLIS)+"ms", RNS.LOG_DEBUG)
|
|
|
|
elif self.allow_bluetooth:
|
|
if self.bt_manager == None:
|
|
self.bt_manager = AndroidBluetoothManager(
|
|
owner = self,
|
|
target_device_name = self.bt_target_device_name,
|
|
target_device_address = self.bt_target_device_address
|
|
)
|
|
|
|
if self.bt_manager != None:
|
|
self.bt_manager.connect_any_device()
|
|
|
|
else:
|
|
if self.ble == None:
|
|
self.ble = BLEConnection(owner=self, target_name=self.ble_name, target_bt_addr=self.ble_addr)
|
|
self.serial = self.ble
|
|
|
|
open_time = time.time()
|
|
while not self.ble.connected and time.time() < open_time + self.ble.CONNECT_TIMEOUT:
|
|
time.sleep(1)
|
|
|
|
|
|
def configure_device(self):
|
|
self.resetRadioState()
|
|
sleep(2.0)
|
|
thread = threading.Thread(target=self.readLoop, daemon=True).start()
|
|
|
|
self.detect()
|
|
if not self.use_ble:
|
|
sleep(0.5)
|
|
else:
|
|
ble_detect_timeout = 5
|
|
detect_time = time.time()
|
|
while not self.detected and time.time() < detect_time + ble_detect_timeout:
|
|
time.sleep(0.1)
|
|
if self.detected:
|
|
detect_time = RNS.prettytime(time.time()-detect_time)
|
|
else:
|
|
RNS.log(f"RNode detect timed out over {self.port}", RNS.LOG_ERROR)
|
|
|
|
if not self.detected:
|
|
raise IOError("Could not detect device")
|
|
else:
|
|
if self.platform == KISS.PLATFORM_ESP32 or self.platform == KISS.PLATFORM_NRF52:
|
|
self.display = True
|
|
|
|
if not self.firmware_ok:
|
|
raise IOError("Invalid device firmware")
|
|
|
|
if self.serial != None and self.port != None:
|
|
self.timeout = 200
|
|
RNS.log("Serial port "+self.port+" is now open")
|
|
|
|
if self.bt_manager != None and self.bt_manager.connected:
|
|
self.timeout = 1500
|
|
RNS.log("Bluetooth connection to RNode now open")
|
|
|
|
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
|
|
self.initRadio()
|
|
if (self.validateRadioState()):
|
|
self.interface_ready = True
|
|
RNS.log(str(self)+" is configured and powered up")
|
|
sleep(0.3)
|
|
self.online = True
|
|
else:
|
|
RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
|
|
RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
|
|
RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
|
|
|
|
if self.serial != None:
|
|
self.serial.close()
|
|
if self.bt_manager != None:
|
|
self.bt_manager.close()
|
|
|
|
raise IOError("RNode interface did not pass configuration validation")
|
|
|
|
|
|
def initRadio(self):
|
|
self.setFrequency()
|
|
time.sleep(0.15)
|
|
|
|
self.setBandwidth()
|
|
time.sleep(0.15)
|
|
|
|
self.setTXPower()
|
|
time.sleep(0.15)
|
|
|
|
self.setSpreadingFactor()
|
|
time.sleep(0.15)
|
|
|
|
self.setCodingRate()
|
|
time.sleep(0.15)
|
|
|
|
self.setSTALock()
|
|
time.sleep(0.15)
|
|
|
|
self.setLTALock()
|
|
time.sleep(0.15)
|
|
|
|
self.setRadioState(KISS.RADIO_STATE_ON)
|
|
time.sleep(0.15)
|
|
|
|
if self.use_ble:
|
|
time.sleep(1)
|
|
|
|
def detect(self):
|
|
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])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while detecting hardware for "+str(self))
|
|
|
|
def leave(self):
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_LEAVE, 0xFF, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while sending host left command to device")
|
|
|
|
def enable_bluetooth(self):
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_BT_CTRL, 0x01, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while sending bluetooth enable command to device")
|
|
|
|
def disable_bluetooth(self):
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_BT_CTRL, 0x00, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while sending bluetooth disable command to device")
|
|
|
|
def bluetooth_pair(self):
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_BT_CTRL, 0x02, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while sending bluetooth pair command to device")
|
|
|
|
def enable_external_framebuffer(self):
|
|
if self.display != None:
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x01, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while enabling external framebuffer on device")
|
|
|
|
def disable_external_framebuffer(self):
|
|
if self.display != None:
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_FB_EXT, 0x00, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while disabling external framebuffer on device")
|
|
|
|
FB_PIXEL_WIDTH = 64
|
|
FB_BITS_PER_PIXEL = 1
|
|
FB_PIXELS_PER_BYTE = 8//FB_BITS_PER_PIXEL
|
|
FB_BYTES_PER_LINE = FB_PIXEL_WIDTH//FB_PIXELS_PER_BYTE
|
|
def display_image(self, imagedata):
|
|
self.last_imagedata = imagedata
|
|
if self.display != None:
|
|
lines = len(imagedata)//8
|
|
for line in range(lines):
|
|
line_start = line*RNodeInterface.FB_BYTES_PER_LINE
|
|
line_end = line_start+RNodeInterface.FB_BYTES_PER_LINE
|
|
line_data = bytes(imagedata[line_start:line_end])
|
|
self.write_framebuffer(line, line_data)
|
|
|
|
def write_framebuffer(self, line, line_data):
|
|
if self.display != None:
|
|
line_byte = line.to_bytes(1, byteorder="big", signed=False)
|
|
data = line_byte+line_data
|
|
escaped_data = KISS.escape(data)
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FB_WRITE])+escaped_data+bytes([KISS.FEND])
|
|
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while writing framebuffer data device")
|
|
|
|
def hard_reset(self):
|
|
kiss_command = bytes([KISS.FEND, KISS.CMD_RESET, 0xf8, KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while restarting device")
|
|
sleep(4.0);
|
|
|
|
def setFrequency(self):
|
|
c1 = self.frequency >> 24
|
|
c2 = self.frequency >> 16 & 0xFF
|
|
c3 = self.frequency >> 8 & 0xFF
|
|
c4 = self.frequency & 0xFF
|
|
data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
|
|
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_FREQUENCY])+data+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring frequency for "+str(self))
|
|
|
|
def setBandwidth(self):
|
|
c1 = self.bandwidth >> 24
|
|
c2 = self.bandwidth >> 16 & 0xFF
|
|
c3 = self.bandwidth >> 8 & 0xFF
|
|
c4 = self.bandwidth & 0xFF
|
|
data = KISS.escape(bytes([c1])+bytes([c2])+bytes([c3])+bytes([c4]))
|
|
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_BANDWIDTH])+data+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring bandwidth for "+str(self))
|
|
|
|
def setTXPower(self):
|
|
txp = bytes([self.txpower])
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXPOWER])+txp+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring TX power for "+str(self))
|
|
|
|
def setSpreadingFactor(self):
|
|
sf = bytes([self.sf])
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SF])+sf+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring spreading factor for "+str(self))
|
|
|
|
def setCodingRate(self):
|
|
cr = bytes([self.cr])
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_CR])+cr+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring coding rate for "+str(self))
|
|
|
|
def setSTALock(self):
|
|
if self.st_alock != None:
|
|
at = int(self.st_alock*100)
|
|
c1 = at >> 8 & 0xFF
|
|
c2 = at & 0xFF
|
|
data = KISS.escape(bytes([c1])+bytes([c2]))
|
|
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_ST_ALOCK])+data+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring short-term airtime limit for "+str(self))
|
|
|
|
def setLTALock(self):
|
|
if self.lt_alock != None:
|
|
at = int(self.lt_alock*100)
|
|
c1 = at >> 8 & 0xFF
|
|
c2 = at & 0xFF
|
|
data = KISS.escape(bytes([c1])+bytes([c2]))
|
|
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_LT_ALOCK])+data+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring long-term airtime limit for "+str(self))
|
|
|
|
def setRadioState(self, state):
|
|
self.state = state
|
|
kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_RADIO_STATE])+bytes([state])+bytes([KISS.FEND])
|
|
written = self.write_mux(kiss_command)
|
|
if written != len(kiss_command):
|
|
raise IOError("An IO error occurred while configuring radio state for "+str(self))
|
|
|
|
def validate_firmware(self):
|
|
if (self.maj_version > RNodeInterface.REQUIRED_FW_VER_MAJ):
|
|
self.firmware_ok = True
|
|
else:
|
|
if (self.maj_version >= RNodeInterface.REQUIRED_FW_VER_MAJ):
|
|
if (self.min_version >= RNodeInterface.REQUIRED_FW_VER_MIN):
|
|
self.firmware_ok = True
|
|
|
|
if self.firmware_ok:
|
|
return
|
|
|
|
RNS.log("The firmware version of the connected RNode is "+str(self.maj_version)+"."+str(self.min_version), RNS.LOG_ERROR)
|
|
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)
|
|
RNS.log("Please update your RNode firmware with rnodeconf from https://github.com/markqvist/reticulum/")
|
|
error_description = "The firmware version of the connected RNode is "+str(self.maj_version)+"."+str(self.min_version)+". "
|
|
error_description += "This version of Reticulum requires at least version "+str(RNodeInterface.REQUIRED_FW_VER_MAJ)+"."+str(RNodeInterface.REQUIRED_FW_VER_MIN)+". "
|
|
error_description += "Please update your RNode firmware with rnodeconf from: https://github.com/markqvist/rnodeconfigutil/"
|
|
self.hw_errors.append({"error": KISS.ERROR_INVALID_FIRMWARE, "description": error_description})
|
|
|
|
|
|
def validateRadioState(self):
|
|
RNS.log("Waiting for radio configuration validation for "+str(self)+"...", RNS.LOG_VERBOSE)
|
|
if not self.platform == KISS.PLATFORM_ESP32:
|
|
sleep(1.00);
|
|
else:
|
|
sleep(2.00);
|
|
|
|
self.validcfg = True
|
|
if (self.r_frequency != None and abs(self.frequency - int(self.r_frequency)) > 100):
|
|
RNS.log("Frequency mismatch", RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
if (self.bandwidth != self.r_bandwidth):
|
|
RNS.log("Bandwidth mismatch", RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
if (self.txpower != self.r_txpower):
|
|
RNS.log("TX power mismatch", RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
if (self.sf != self.r_sf):
|
|
RNS.log("Spreading factor mismatch", RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
if (self.state != self.r_state):
|
|
RNS.log("Radio state mismatch", RNS.LOG_ERROR)
|
|
self.validcfg = False
|
|
|
|
if (self.validcfg):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def resetRadioState(self):
|
|
self.r_frequency = None
|
|
self.r_bandwidth = None
|
|
self.r_txpower = None
|
|
self.r_sf = None
|
|
self.r_cr = None
|
|
self.r_state = None
|
|
|
|
def updateBitrate(self):
|
|
try:
|
|
self.bitrate = self.r_sf * ( (4.0/self.r_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_VERBOSE)
|
|
except:
|
|
self.bitrate = 0
|
|
|
|
def process_incoming(self, data):
|
|
self.rxb += len(data)
|
|
|
|
def af():
|
|
self.owner.inbound(data, self)
|
|
threading.Thread(target=af, daemon=True).start()
|
|
|
|
|
|
def process_outgoing(self,data):
|
|
datalen = len(data)
|
|
if self.online:
|
|
if self.interface_ready:
|
|
if self.flow_control:
|
|
self.interface_ready = False
|
|
|
|
if data == self.id_callsign:
|
|
self.first_tx = None
|
|
else:
|
|
if self.first_tx == None:
|
|
self.first_tx = time.time()
|
|
|
|
data = KISS.escape(data)
|
|
frame = bytes([0xc0])+bytes([0x00])+data+bytes([0xc0])
|
|
|
|
written = self.write_mux(frame)
|
|
self.txb += datalen
|
|
|
|
if written != len(frame):
|
|
raise IOError("Serial interface only wrote "+str(written)+" bytes of "+str(len(data)))
|
|
else:
|
|
self.queue(data)
|
|
|
|
def queue(self, data):
|
|
self.packet_queue.append(data)
|
|
|
|
def process_queue(self):
|
|
if len(self.packet_queue) > 0:
|
|
data = self.packet_queue.pop(0)
|
|
self.interface_ready = True
|
|
self.process_outgoing(data)
|
|
elif len(self.packet_queue) == 0:
|
|
self.interface_ready = True
|
|
|
|
def readLoop(self):
|
|
try:
|
|
in_frame = False
|
|
escape = False
|
|
command = KISS.CMD_UNKNOWN
|
|
data_buffer = b""
|
|
command_buffer = b""
|
|
last_read_ms = int(time.time()*1000)
|
|
|
|
# TODO: Ensure hotplug support for serial drivers
|
|
# This should work now with the new time-based
|
|
# detect polling.
|
|
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)
|
|
|
|
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
|
|
in_frame = False
|
|
self.process_incoming(data_buffer)
|
|
data_buffer = b""
|
|
command_buffer = b""
|
|
elif (byte == KISS.FEND):
|
|
in_frame = True
|
|
command = KISS.CMD_UNKNOWN
|
|
data_buffer = b""
|
|
command_buffer = b""
|
|
elif (in_frame and len(data_buffer) < self.HW_MTU):
|
|
if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
|
|
command = byte
|
|
elif (command == KISS.CMD_DATA):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
data_buffer = data_buffer+bytes([byte])
|
|
elif (command == KISS.CMD_FREQUENCY):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 4):
|
|
self.r_frequency = command_buffer[0] << 24 | command_buffer[1] << 16 | command_buffer[2] << 8 | command_buffer[3]
|
|
RNS.log(str(self)+" Radio reporting frequency is "+str(self.r_frequency/1000000.0)+" MHz", RNS.LOG_DEBUG)
|
|
self.updateBitrate()
|
|
|
|
elif (command == KISS.CMD_BANDWIDTH):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 4):
|
|
self.r_bandwidth = command_buffer[0] << 24 | command_buffer[1] << 16 | command_buffer[2] << 8 | command_buffer[3]
|
|
RNS.log(str(self)+" Radio reporting bandwidth is "+str(self.r_bandwidth/1000.0)+" KHz", RNS.LOG_DEBUG)
|
|
self.updateBitrate()
|
|
|
|
elif (command == KISS.CMD_TXPOWER):
|
|
self.r_txpower = byte
|
|
RNS.log(str(self)+" Radio reporting TX power is "+str(self.r_txpower)+" dBm", RNS.LOG_DEBUG)
|
|
elif (command == KISS.CMD_SF):
|
|
self.r_sf = byte
|
|
RNS.log(str(self)+" Radio reporting spreading factor is "+str(self.r_sf), RNS.LOG_DEBUG)
|
|
self.updateBitrate()
|
|
elif (command == KISS.CMD_CR):
|
|
self.r_cr = byte
|
|
RNS.log(str(self)+" Radio reporting coding rate is "+str(self.r_cr), RNS.LOG_DEBUG)
|
|
self.updateBitrate()
|
|
elif (command == KISS.CMD_RADIO_STATE):
|
|
self.r_state = byte
|
|
if self.r_state:
|
|
RNS.log(str(self)+" Radio reporting state is online", RNS.LOG_DEBUG)
|
|
else:
|
|
RNS.log(str(self)+" Radio reporting state is offline", RNS.LOG_DEBUG)
|
|
|
|
elif (command == KISS.CMD_RADIO_LOCK):
|
|
self.r_lock = byte
|
|
elif (command == KISS.CMD_FW_VERSION):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 2):
|
|
self.maj_version = int(command_buffer[0])
|
|
self.min_version = int(command_buffer[1])
|
|
self.validate_firmware()
|
|
|
|
elif (command == KISS.CMD_STAT_RX):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 4):
|
|
self.r_stat_rx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
|
|
|
|
elif (command == KISS.CMD_STAT_TX):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 4):
|
|
self.r_stat_tx = ord(command_buffer[0]) << 24 | ord(command_buffer[1]) << 16 | ord(command_buffer[2]) << 8 | ord(command_buffer[3])
|
|
|
|
elif (command == KISS.CMD_STAT_RSSI):
|
|
self.r_stat_rssi = byte-RNodeInterface.RSSI_OFFSET
|
|
elif (command == KISS.CMD_STAT_SNR):
|
|
self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25
|
|
try:
|
|
sfs = self.r_sf-7
|
|
snr = self.r_stat_snr
|
|
q_snr_min = RNodeInterface.Q_SNR_MIN_BASE-sfs*RNodeInterface.Q_SNR_STEP
|
|
q_snr_max = RNodeInterface.Q_SNR_MAX
|
|
q_snr_span = q_snr_max-q_snr_min
|
|
quality = round(((snr-q_snr_min)/(q_snr_span))*100,1)
|
|
if quality > 100.0: quality = 100.0
|
|
if quality < 0.0: quality = 0.0
|
|
self.r_stat_q = quality
|
|
except:
|
|
pass
|
|
|
|
elif (command == KISS.CMD_ST_ALOCK):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 2):
|
|
at = command_buffer[0] << 8 | command_buffer[1]
|
|
self.r_st_alock = at/100.0
|
|
RNS.log(str(self)+" Radio reporting short-term airtime limit is "+str(self.r_st_alock)+"%", RNS.LOG_DEBUG)
|
|
elif (command == KISS.CMD_LT_ALOCK):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 2):
|
|
at = command_buffer[0] << 8 | command_buffer[1]
|
|
self.r_lt_alock = at/100.0
|
|
RNS.log(str(self)+" Radio reporting long-term airtime limit is "+str(self.r_lt_alock)+"%", RNS.LOG_DEBUG)
|
|
elif (command == KISS.CMD_STAT_CHTM):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 8):
|
|
ats = command_buffer[0] << 8 | command_buffer[1]
|
|
atl = command_buffer[2] << 8 | command_buffer[3]
|
|
cus = command_buffer[4] << 8 | command_buffer[5]
|
|
cul = command_buffer[6] << 8 | command_buffer[7]
|
|
|
|
self.r_airtime_short = ats/100.0
|
|
self.r_airtime_long = atl/100.0
|
|
self.r_channel_load_short = cus/100.0
|
|
self.r_channel_load_long = cul/100.0
|
|
elif (command == KISS.CMD_STAT_PHYPRM):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 10):
|
|
lst = (command_buffer[0] << 8 | command_buffer[1])/1000.0
|
|
lsr = command_buffer[2] << 8 | command_buffer[3]
|
|
prs = command_buffer[4] << 8 | command_buffer[5]
|
|
prt = command_buffer[6] << 8 | command_buffer[7]
|
|
cst = command_buffer[8] << 8 | command_buffer[9]
|
|
|
|
if lst != self.r_symbol_time_ms or lsr != self.r_symbol_rate or prs != self.r_preamble_symbols or prt != self.r_premable_time_ms or cst != self.r_csma_slot_time_ms:
|
|
self.r_symbol_time_ms = lst
|
|
self.r_symbol_rate = lsr
|
|
self.r_preamble_symbols = prs
|
|
self.r_premable_time_ms = prt
|
|
self.r_csma_slot_time_ms = cst
|
|
RNS.log(str(self)+" Radio reporting symbol time is "+str(round(self.r_symbol_time_ms,2))+"ms (at "+str(self.r_symbol_rate)+" baud)", RNS.LOG_DEBUG)
|
|
RNS.log(str(self)+" Radio reporting preamble is "+str(self.r_preamble_symbols)+" symbols ("+str(self.r_premable_time_ms)+"ms)", RNS.LOG_DEBUG)
|
|
RNS.log(str(self)+" Radio reporting CSMA slot time is "+str(self.r_csma_slot_time_ms)+"ms", RNS.LOG_DEBUG)
|
|
elif (command == KISS.CMD_STAT_BAT):
|
|
if (byte == KISS.FESC):
|
|
escape = True
|
|
else:
|
|
if (escape):
|
|
if (byte == KISS.TFEND):
|
|
byte = KISS.FEND
|
|
if (byte == KISS.TFESC):
|
|
byte = KISS.FESC
|
|
escape = False
|
|
command_buffer = command_buffer+bytes([byte])
|
|
if (len(command_buffer) == 2):
|
|
bat_percent = command_buffer[1]
|
|
if bat_percent > 100:
|
|
bat_percent = 100
|
|
if bat_percent < 0:
|
|
bat_percent = 0
|
|
self.r_battery_state = command_buffer[0]
|
|
self.r_battery_percent = bat_percent
|
|
elif (command == KISS.CMD_RANDOM):
|
|
self.r_random = byte
|
|
elif (command == KISS.CMD_PLATFORM):
|
|
self.platform = byte
|
|
elif (command == KISS.CMD_MCU):
|
|
self.mcu = byte
|
|
elif (command == KISS.CMD_ERROR):
|
|
if (byte == KISS.ERROR_INITRADIO):
|
|
RNS.log(str(self)+" hardware initialisation error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
|
|
raise IOError("Radio initialisation failure")
|
|
elif (byte == KISS.ERROR_TXFAILED):
|
|
RNS.log(str(self)+" hardware TX error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
|
|
raise IOError("Hardware transmit failure")
|
|
elif (byte == KISS.ERROR_MEMORY_LOW):
|
|
RNS.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+"): Memory exhausted", RNS.LOG_ERROR)
|
|
self.hw_errors.append({"error": KISS.ERROR_MEMORY_LOW, "description": "Memory exhausted on connected device"})
|
|
elif (byte == KISS.ERROR_MODEM_TIMEOUT):
|
|
RNS.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+"): Modem communication timed out", RNS.LOG_ERROR)
|
|
self.hw_errors.append({"error": KISS.ERROR_MODEM_TIMEOUT, "description": "Modem communication timed out on connected device"})
|
|
else:
|
|
RNS.log(str(self)+" hardware error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR)
|
|
raise IOError("Unknown hardware failure")
|
|
elif (command == KISS.CMD_RESET):
|
|
if (byte == 0xF8):
|
|
if self.platform == KISS.PLATFORM_ESP32:
|
|
if self.online:
|
|
RNS.log("Detected reset while device was online, reinitialising device...", RNS.LOG_ERROR)
|
|
raise IOError("ESP32 reset")
|
|
elif (command == KISS.CMD_READY):
|
|
self.process_queue()
|
|
elif (command == KISS.CMD_DETECT):
|
|
if byte == KISS.DETECT_RESP:
|
|
self.detected = True
|
|
else:
|
|
self.detected = False
|
|
|
|
if got == 0:
|
|
time_since_last = int(time.time()*1000) - last_read_ms
|
|
if len(data_buffer) > 0 and time_since_last > self.timeout:
|
|
RNS.log(str(self)+" serial read timeout in command "+str(command), RNS.LOG_WARNING)
|
|
data_buffer = b""
|
|
in_frame = False
|
|
command = KISS.CMD_UNKNOWN
|
|
escape = False
|
|
|
|
if self.id_interval != None and self.id_callsign != None:
|
|
if self.first_tx != None:
|
|
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.process_outgoing(self.id_callsign)
|
|
|
|
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 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:
|
|
RNS.panic()
|
|
|
|
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()
|
|
|
|
if not self.detached:
|
|
self.reconnect_port()
|
|
|
|
def reconnect_port(self):
|
|
if self.reconnect_lock.locked():
|
|
RNS.log("Dropping superflous reconnect port job")
|
|
return
|
|
|
|
with self.reconnect_lock:
|
|
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_EXTREME)
|
|
|
|
if self.bt_manager != None:
|
|
RNS.log("Attempting to reconnect Bluetooth device for "+str(self)+"...", RNS.LOG_EXTREME)
|
|
|
|
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 RNode, the contained exception was: "+str(e), RNS.LOG_ERROR)
|
|
|
|
if self.online:
|
|
RNS.log("Reconnected serial port for "+str(self))
|
|
|
|
def detach(self):
|
|
self.detached = True
|
|
self.disable_external_framebuffer()
|
|
self.setRadioState(KISS.RADIO_STATE_OFF)
|
|
self.leave()
|
|
|
|
if self.use_ble:
|
|
self.ble.close()
|
|
|
|
def should_ingress_limit(self):
|
|
return False
|
|
|
|
def get_battery_state(self):
|
|
return self.r_battery_state
|
|
|
|
def get_battery_state_string(self):
|
|
if self.r_battery_state == RNodeInterface.BATTERY_STATE_CHARGED:
|
|
return "charged"
|
|
elif self.r_battery_state == RNodeInterface.BATTERY_STATE_CHARGING:
|
|
return "charging"
|
|
elif self.r_battery_state == RNodeInterface.BATTERY_STATE_DISCHARGING:
|
|
return "discharging"
|
|
else:
|
|
return "unknown"
|
|
|
|
def get_battery_percent(self):
|
|
return self.r_battery_percent
|
|
|
|
def ble_receive(self, data):
|
|
with self.ble_rx_lock:
|
|
self.ble_rx_queue += data
|
|
|
|
def ble_waiting(self):
|
|
return len(self.ble_tx_queue) > 0
|
|
|
|
def get_ble_waiting(self, n):
|
|
with self.ble_tx_lock:
|
|
data = self.ble_tx_queue[:n]
|
|
self.ble_tx_queue = self.ble_tx_queue[n:]
|
|
return data
|
|
|
|
def __str__(self):
|
|
return "RNodeInterface["+str(self.name)+"]"
|
|
|
|
class BLEConnection(BluetoothDispatcher):
|
|
UART_SERVICE_UUID = "6e400001-b5a3-f393-e0a9-e50e24dcca9e"
|
|
UART_RX_CHAR_UUID = "6e400002-b5a3-f393-e0a9-e50e24dcca9e"
|
|
UART_TX_CHAR_UUID = "6e400003-b5a3-f393-e0a9-e50e24dcca9e"
|
|
MAX_GATT_ATTR_LEN = 512
|
|
BASE_MTU = 20
|
|
TARGET_MTU = 512
|
|
|
|
MTU_TIMEOUT = 4.0
|
|
CONNECT_TIMEOUT = 7.0
|
|
RECONNECT_WAIT = 1.0
|
|
|
|
@property
|
|
def is_open(self):
|
|
return self.connected
|
|
|
|
@property
|
|
def in_waiting(self):
|
|
return len(self.owner.ble_rx_queue) > 0
|
|
|
|
def write(self, data_bytes):
|
|
with self.owner.ble_tx_lock:
|
|
self.owner.ble_tx_queue += data_bytes
|
|
return len(data_bytes)
|
|
|
|
def read(self):
|
|
with self.owner.ble_rx_lock:
|
|
data = self.owner.ble_rx_queue
|
|
self.owner.ble_rx_queue = b""
|
|
return data
|
|
|
|
def close(self):
|
|
try:
|
|
if self.connected:
|
|
RNS.log(f"Disconnecting BLE device from {self.owner}", RNS.LOG_DEBUG)
|
|
# RNS.log("Waiting for BLE write buffer to empty...")
|
|
timeout = time.time() + 10
|
|
while self.owner.ble_waiting() and self.write_thread != None and time.time() < timeout:
|
|
time.sleep(0.1)
|
|
# if time.time() > timeout:
|
|
# RNS.log("Writing timed out")
|
|
# else:
|
|
# RNS.log("Writing concluded")
|
|
|
|
self.rx_char = None
|
|
self.tx_char = None
|
|
self.mtu = BLEConnection.BASE_MTU
|
|
self.mtu_requested_time = None
|
|
|
|
if self.write_thread != None:
|
|
# RNS.log("Waiting for write thread to finish...")
|
|
while self.write_thread != None:
|
|
time.sleep(0.1)
|
|
|
|
# RNS.log("Writing finished, closing GATT connection")
|
|
self.close_gatt()
|
|
|
|
with self.owner.ble_rx_lock:
|
|
self.owner.ble_rx_queue = b""
|
|
|
|
with self.owner.ble_tx_lock:
|
|
self.owner.ble_tx_queue = b""
|
|
|
|
self.connected = False
|
|
self.ble_device = None
|
|
|
|
except Exception as e:
|
|
RNS.log("An error occurred while closing BLE connection for {self.owner}: {e}", RNS.LOG_ERROR)
|
|
RNS.trace_exception(e)
|
|
|
|
def __init__(self, owner=None, target_name=None, target_bt_addr=None):
|
|
super(BLEConnection, self).__init__()
|
|
self.owner = owner
|
|
self.target_name = target_name
|
|
self.target_bt_addr = target_bt_addr
|
|
self.connect_timeout = BLEConnection.CONNECT_TIMEOUT
|
|
self.ble_device = None
|
|
self.rx_char = None
|
|
self.tx_char = None
|
|
self.connected = False
|
|
self.was_connected = False
|
|
self.connected_time = None
|
|
self.mtu_requested_time = None
|
|
self.running = False
|
|
self.should_run = False
|
|
self.connect_job_running = False
|
|
self.write_thread = None
|
|
self.mtu = BLEConnection.BASE_MTU
|
|
self.target_mtu = BLEConnection.TARGET_MTU
|
|
|
|
self.bt_manager = AndroidBluetoothManager(owner=self)
|
|
|
|
self.should_run = True
|
|
self.connection_thread = threading.Thread(target=self.connection_job, daemon=True).start()
|
|
|
|
def write_loop(self):
|
|
try:
|
|
while self.connected and self.rx_char != None:
|
|
if self.owner.ble_waiting():
|
|
data = self.owner.get_ble_waiting(self.mtu)
|
|
self.write_characteristic(self.rx_char, data)
|
|
else:
|
|
time.sleep(0.1)
|
|
|
|
except Exception as e:
|
|
RNS.log("An error occurred in {self} write loop: {e}", RNS.LOG_ERROR)
|
|
RNS.trace_exception(e)
|
|
|
|
self.write_thread = None
|
|
|
|
def connection_job(self):
|
|
while self.should_run:
|
|
if self.bt_manager.bt_enabled():
|
|
if self.ble_device == None:
|
|
self.ble_device = self.find_target_device()
|
|
|
|
if self.ble_device != None:
|
|
if not self.connected:
|
|
if self.was_connected:
|
|
RNS.log(f"Throttling BLE reconnect for {BLEConnection.RECONNECT_WAIT} seconds", RNS.LOG_DEBUG)
|
|
time.sleep(BLEConnection.RECONNECT_WAIT)
|
|
|
|
self.connect_device()
|
|
|
|
else:
|
|
if self.connected:
|
|
RNS.log("Bluetooth was disabled, closing active BLE device connection", RNS.LOG_ERROR)
|
|
self.close()
|
|
|
|
time.sleep(2)
|
|
|
|
def connect_device(self):
|
|
if self.ble_device != None and self.bt_manager.bt_enabled():
|
|
RNS.log(f"Trying to connect BLE device {self.ble_device.getName()} / {self.ble_device.getAddress()} for {self.owner}...", RNS.LOG_DEBUG)
|
|
self.mtu = BLEConnection.BASE_MTU
|
|
self.connect_by_device_address(self.ble_device.getAddress())
|
|
end = time.time() + BLEConnection.CONNECT_TIMEOUT
|
|
while time.time() < end and not self.connected:
|
|
time.sleep(0.25)
|
|
|
|
if self.connected:
|
|
self.owner.port = f"ble://{self.ble_device.getAddress()}"
|
|
self.write_thread = threading.Thread(target=self.write_loop, daemon=True)
|
|
self.write_thread.start()
|
|
else:
|
|
RNS.log(f"BLE device connection timed out for {self.owner}", RNS.LOG_DEBUG)
|
|
if self.mtu_requested_time:
|
|
RNS.log("MTU update timeout, tearing down connection")
|
|
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."})
|
|
self.close()
|
|
self.should_run = False
|
|
|
|
self.close_gatt()
|
|
|
|
self.connect_job_running = False
|
|
|
|
def device_disconnected(self):
|
|
RNS.log(f"BLE device for {self.owner} disconnected", RNS.LOG_NOTICE)
|
|
self.connected = False
|
|
self.ble_device = None
|
|
self.close_gatt()
|
|
|
|
def find_target_device(self):
|
|
found_device = None
|
|
potential_devices = self.bt_manager.get_paired_devices()
|
|
|
|
if self.target_bt_addr != None:
|
|
for device in potential_devices:
|
|
if (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_LE) or (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_DUAL):
|
|
if str(device.getAddress()).replace(":", "").lower() == str(self.target_bt_addr).replace(":", "").lower():
|
|
found_device = device
|
|
break
|
|
|
|
if not found_device and self.target_name != None:
|
|
for device in potential_devices:
|
|
if (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_LE) or (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_DUAL):
|
|
if device.getName().lower() == self.target_name.lower():
|
|
found_device = device
|
|
break
|
|
|
|
if not found_device:
|
|
for device in potential_devices:
|
|
if (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_LE) or (device.getType() == AndroidBluetoothManager.DEVICE_TYPE_DUAL):
|
|
if device.getName().startswith("RNode "):
|
|
found_device = device
|
|
break
|
|
|
|
return found_device
|
|
|
|
def on_connection_state_change(self, status, state):
|
|
if status == GATT_SUCCESS and state:
|
|
self.discover_services()
|
|
else:
|
|
self.device_disconnected()
|
|
|
|
def on_services(self, status, services):
|
|
if status == GATT_SUCCESS:
|
|
self.rx_char = services.search(BLEConnection.UART_RX_CHAR_UUID)
|
|
|
|
if self.rx_char is not None:
|
|
self.tx_char = services.search(BLEConnection.UART_TX_CHAR_UUID)
|
|
|
|
if self.tx_char is not None:
|
|
if self.enable_notifications(self.tx_char):
|
|
RNS.log("Enabled notifications for BLE TX characteristic", RNS.LOG_DEBUG)
|
|
|
|
RNS.log(f"Requesting BLE connection MTU update to {self.target_mtu}", RNS.LOG_DEBUG)
|
|
self.mtu_requested_time = time.time()
|
|
self.request_mtu(self.target_mtu)
|
|
|
|
else:
|
|
RNS.log("Could not enable notifications for BLE TX characteristic", RNS.LOG_ERROR)
|
|
|
|
else:
|
|
RNS.log("BLE device service discovery failure", RNS.LOG_ERROR)
|
|
|
|
def on_mtu_changed(self, mtu, status):
|
|
if status == GATT_SUCCESS:
|
|
self.mtu = min(mtu-5, BLEConnection.MAX_GATT_ATTR_LEN)
|
|
RNS.log(f"BLE MTU updated to {self.mtu} for {self.owner}", RNS.LOG_DEBUG)
|
|
self.connected = True
|
|
self.was_connected = True
|
|
self.connected_time = time.time()
|
|
self.mtu_requested_time = None
|
|
|
|
else:
|
|
RNS.log(f"MTU update request did not succeed, mtu={mtu}, status={status}", RNS.LOG_ERROR)
|
|
|
|
def on_characteristic_changed(self, characteristic):
|
|
if characteristic.getUuid().toString() == BLEConnection.UART_TX_CHAR_UUID:
|
|
recvd = bytes(characteristic.getValue())
|
|
self.owner.ble_receive(recvd) |