634 lines
27 KiB
Python
634 lines
27 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 .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
|
|
|
|
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 importlib.util.find_spec('serial') != None:
|
|
import serial
|
|
else:
|
|
RNS.log("Using the RNode interface requires a serial communication module to be installed.", RNS.LOG_CRITICAL)
|
|
RNS.log("You can install one with the command: python3 -m pip install pyserial", RNS.LOG_CRITICAL)
|
|
RNS.panic()
|
|
|
|
self.rxb = 0
|
|
self.txb = 0
|
|
|
|
self.pyserial = serial
|
|
self.serial = None
|
|
self.owner = owner
|
|
self.name = name
|
|
self.port = port
|
|
self.speed = 115200
|
|
self.databits = 8
|
|
self.parity = serial.PARITY_NONE
|
|
self.stopbits = 1
|
|
self.timeout = 100
|
|
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.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.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()
|
|
except Exception as e:
|
|
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
|
|
raise e
|
|
|
|
if self.serial.is_open:
|
|
self.configure_device()
|
|
else:
|
|
raise IOError("Could not open serial port")
|
|
|
|
def open_port(self):
|
|
RNS.log("Opening serial port "+self.port+"...")
|
|
self.serial = self.pyserial.Serial(
|
|
port = self.port,
|
|
baudrate = self.speed,
|
|
bytesize = self.databits,
|
|
parity = self.parity,
|
|
stopbits = self.stopbits,
|
|
xonxoff = False,
|
|
rtscts = False,
|
|
timeout = 0,
|
|
inter_byte_timeout = None,
|
|
write_timeout = None,
|
|
dsrdtr = False,
|
|
)
|
|
|
|
|
|
def configure_device(self):
|
|
sleep(2.0)
|
|
thread = threading.Thread(target=self.readLoop)
|
|
thread.setDaemon(True)
|
|
thread.start()
|
|
|
|
self.detect()
|
|
sleep(0.1)
|
|
|
|
if not self.detected:
|
|
raise IOError("Could not detect device")
|
|
else:
|
|
if self.platform == KISS.PLATFORM_ESP32:
|
|
RNS.log("Resetting ESP32-based device before configuration...", RNS.LOG_VERBOSE)
|
|
self.hard_reset()
|
|
|
|
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()
|
|
self.setBandwidth()
|
|
self.setTXPower()
|
|
self.setSpreadingFactor()
|
|
self.setCodingRate()
|
|
self.setRadioState(KISS.RADIO_STATE_ON)
|
|
|
|
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(2.25);
|
|
|
|
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)
|
|
sleep(0.25);
|
|
if (self.frequency != self.r_frequency):
|
|
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)
|
|
self.owner.inbound(data, self)
|
|
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)
|
|
|
|
while self.serial.is_open:
|
|
if self.serial.in_waiting:
|
|
byte = ord(self.serial.read(1))
|
|
last_read_ms = int(time.time()*1000)
|
|
|
|
if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
|
|
in_frame = False
|
|
self.processIncoming(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) < RNS.Reticulum.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:
|
|
pass
|
|
#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
|
|
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:
|
|
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(3.5)
|
|
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
|
|
self.open_port()
|
|
if 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)+"]"
|
|
|