marcel
/
aprs_digipeater_weather_telemetry
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
This project is a collection of former (and some new) projects connected together to make an APRS digipeater, which doubles as an APRS weather station, with PE1RXF telemetry server capabilities.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5 Commits
1 Branch
0 Tags
24 MiB
Tag: Branch: Tree: master
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'master'
${ noResults }
aprs_digipeater_weather_tel.../software/rns-0.7.0/RNS/Interfaces/RNodeInterface.py

862 lines
38 KiB
Raw Permalink Normal View History Unescape

First commit
10 months ago
# MIT License
#
# Copyright (c) 2016-2023 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_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_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
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
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
Q_SNR_MIN_BASE = -9
Q_SNR_MAX = 6
Q_SNR_STEP = 2
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, st_alock = None, lt_alock = None):
if RNS.vendor.platformutils.is_android():
raise SystemError("Invalid interface type. The Android-specific RNode interface must be used on Android")
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()
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 = 100
self.online = False
self.detached = False
self.reconnecting= 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.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.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.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 (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.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)
if not self.detached and not self.reconnecting:
thread = threading.Thread(target=self.reconnect_port)
thread.daemon = True
thread.start()
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.pyserial.PARITY_NONE,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
def configure_device(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
self.r_lock = None
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.daemon = True
thread.start()
self.detect()
sleep(0.2)
if not self.detected:
RNS.log("Could not detect device for "+str(self), RNS.LOG_ERROR)
self.serial.close()
else:
if self.platform == KISS.PLATFORM_ESP32:
self.display = 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(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)
self.serial.close()
def initRadio(self):
self.setFrequency()
self.setBandwidth()
self.setTXPower()
self.setSpreadingFactor()
self.setCodingRate()
self.setSTALock()
self.setLTALock()
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 "+str(self))
def leave(self):
kiss_command = bytes([KISS.FEND, KISS.CMD_LEAVE, 0xFF, KISS.FEND])
written = self.serial.write(kiss_command)
if written != len(kiss_command):
raise IOError("An IO error occurred while sending host left 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.serial.write(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.serial.write(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):
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.serial.write(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.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 "+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.serial.write(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.serial.write(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.serial.write(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.serial.write(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.serial.write(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.serial.write(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.serial.write(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):
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/rnodeconfigutil/")
RNS.panic()
def validateRadioState(self):
RNS.log("Waiting for radio configuration validation for "+str(self)+"...", RNS.LOG_VERBOSE)
sleep(0.25);
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)
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) < 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:
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
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_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")
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 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.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
try:
self.serial.close()
except Exception as e:
pass
if not self.detached and not self.reconnecting:
self.reconnect_port()
def reconnect_port(self):
self.reconnecting = True
while not self.online and not self.detached:
try:
time.sleep(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)
self.reconnecting = False
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()
def should_ingress_limit(self):
return False
def __str__(self):
return "RNodeInterface["+str(self.name)+"]"