diff --git a/RNS/Interfaces/Android/RNodeInterface.py b/RNS/Interfaces/Android/RNodeInterface.py new file mode 100644 index 0000000..11df552 --- /dev/null +++ b/RNS/Interfaces/Android/RNodeInterface.py @@ -0,0 +1,727 @@ +# 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 .Interface import Interface +from time import sleep +import sys +import threading +import time +import math +import RNS + +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_DETECT = 0x08 + CMD_READY = 0x0F + CMD_STAT_RX = 0x21 + CMD_STAT_TX = 0x22 + CMD_STAT_RSSI = 0x23 + CMD_STAT_SNR = 0x24 + CMD_BLINK = 0x30 + CMD_RANDOM = 0x40 + 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 + + PLATFORM_AVR = 0x90 + PLATFORM_ESP32 = 0x80 + + @staticmethod + def escape(data): + data = data.replace(bytes([0xdb]), bytes([0xdb, 0xdd])) + data = data.replace(bytes([0xc0]), bytes([0xdb, 0xdc])) + return data + + +class RNodeInterface(Interface): + MAX_CHUNK = 32768 + + owner = None + port = None + speed = None + databits = None + parity = None + stopbits = None + serial = None + + FREQ_MIN = 137000000 + FREQ_MAX = 1020000000 + + RSSI_OFFSET = 157 + + CALLSIGN_MAX_LEN = 32 + + REQUIRED_FW_VER_MAJ = 1 + REQUIRED_FW_VER_MIN = 26 + + RECONNECT_WAIT = 5 + + 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): + import importlib + if RNS.vendor.platformutils.is_android(): + self.on_android = True + if importlib.util.find_spec('usbserial4a') != None: + from usbserial4a import serial4a as serial + self.parity = "N" + else: + RNS.log("Could not load USB serial module for Android, RNode interface cannot be created.", RNS.LOG_CRITICAL) + RNS.panic() + else: + raise SystemError("Android-specific interface was used on non-Android OS") + + self.rxb = 0 + self.txb = 0 + + 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.frequency = frequency + self.bandwidth = bandwidth + self.txpower = txpower + self.sf = sf + self.cr = cr + self.state = KISS.RADIO_STATE_OFF + self.bitrate = 0 + self.platform = 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.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_random = None + + self.packet_queue = [] + self.flow_control = flow_control + self.interface_ready = False + self.announce_rate_target = None + + 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 > 17): + 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 < 7 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 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.is_open: + self.configure_device() + else: + raise IOError("Could not open serial port") + + 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) + RNS.log("Reticulum will attempt to bring up this interface periodically", RNS.LOG_ERROR) + thread = threading.Thread(target=self.reconnect_port) + thread.daemon = True + thread.start() + + + def open_port(self): + 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.USB_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) + + + def configure_device(self): + sleep(2.0) + thread = threading.Thread(target=self.readLoop) + thread.daemon = True + thread.start() + + self.detect() + sleep(0.4) + + + if not self.detected: + raise IOError("Could not detect device") + # else: + # if self.platform == KISS.PLATFORM_ESP32: + # TODO: Consider reintroducing this + # RNS.log("Resetting ESP32-based device before configuration...", RNS.LOG_VERBOSE) + # self.hard_reset() + + # TODO: Check correct placement for reconnect support + RNS.log("SETTING ONLINE STATUS TO TRUE -------------------") + + self.online = True + RNS.log("Serial port "+self.port+" is 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(1.0) + 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) + self.serial.close() + raise IOError("RNode interface did not pass configuration validation") + + + def initRadio(self): + self.setFrequency() + time.sleep(0.1) + + self.setBandwidth() + time.sleep(0.1) + + self.setTXPower() + time.sleep(0.1) + + self.setSpreadingFactor() + time.sleep(0.1) + + self.setCodingRate() + time.sleep(0.1) + + self.setRadioState(KISS.RADIO_STATE_ON) + time.sleep(0.1) + + 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.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while detecting hardware for "+self(str)) + + def hard_reset(self): + kiss_command = bytes([KISS.FEND, KISS.CMD_RESET, 0xf8, KISS.FEND]) + written = self.serial.write(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.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while configuring frequency for "+self(str)) + + 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.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while configuring bandwidth for "+self(str)) + + def setTXPower(self): + txp = bytes([self.txpower]) + kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_TXPOWER])+txp+bytes([KISS.FEND]) + written = self.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while configuring TX power for "+self(str)) + + def setSpreadingFactor(self): + sf = bytes([self.sf]) + kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_SF])+sf+bytes([KISS.FEND]) + written = self.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while configuring spreading factor for "+self(str)) + + def setCodingRate(self): + cr = bytes([self.cr]) + kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_CR])+cr+bytes([KISS.FEND]) + written = self.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while configuring coding rate for "+self(str)) + + def setRadioState(self, state): + self.state = state + kiss_command = bytes([KISS.FEND])+bytes([KISS.CMD_RADIO_STATE])+bytes([state])+bytes([KISS.FEND]) + written = self.serial.write(kiss_command) + if written != len(kiss_command): + raise IOError("An IO error occurred while configuring radio state for "+self(str)) + + def validate_firmware(self): + 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 (https://github.com/markqvist/rnodeconfigutil/)") + RNS.panic() + + + def validateRadioState(self): + RNS.log("Wating 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 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 processIncoming(self, data): + self.rxb += len(data) + + def af(): + self.owner.inbound(data, self) + threading.Thread(target=af, daemon=True).start() + + self.r_stat_rssi = None + self.r_stat_snr = None + + + def processOutgoing(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.serial.write(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.processOutgoing(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 + while self.serial.is_open: + if True or waiting_bytes > 0: + # TODO: CHECK multibyte reads + serial_bytes = self.serial.read() + got = len(serial_bytes) + + 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 + RNS.log("F "+str(len(data_buffer))) + self.processIncoming(data_buffer) + data_buffer = b"" + command_buffer = b"" + elif (byte == KISS.FEND): + RNS.log("R") + 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 + RNS.log("C "+RNS.hexrep(command)) + 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 + RNS.log("S1") + elif (command == KISS.CMD_STAT_SNR): + self.r_stat_snr = int.from_bytes(bytes([byte]), byteorder="big", signed=True) * 0.25 + RNS.log("S2") + 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_INITRADIO): + RNS.log(str(self)+" hardware TX error (code "+RNS.hexrep(byte)+")", RNS.LOG_ERROR) + raise IOError("Hardware transmit failure") + 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 + + else: + RNS.log("NC") + + elif (not in_frame and byte != KISS.FEND): + RNS.log("UF") + + 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", RNS.LOG_DEBUG) + 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.processOutgoing(self.id_callsign) + # 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("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 + self.serial.close() + self.reconnect_port() + + def reconnect_port(self): + while not self.online: + try: + time.sleep(self.reconnect_w) + RNS.log("Attempting to reconnect serial port "+str(self.port)+" 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() + except Exception as e: + RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR) + + RNS.log("Reconnected serial port for "+str(self)) + + def __str__(self): + return "RNodeInterface["+str(self.name)+"]" +