mirror of
https://github.com/markqvist/OpenModem.git
synced 2024-10-01 03:15:46 -04:00
Updated version to 1.04
This commit is contained in:
Mark Qvist
parent
e43cb2f543
commit
4bc42d6379
2
device.h
2
device.h
@ -5,7 +5,7 @@
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// Version info
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// Version info
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#define MAJ_VERSION 0x01
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#define MAJ_VERSION 0x01
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#define MIN_VERSION 0x03
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#define MIN_VERSION 0x04
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// CPU settings
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// CPU settings
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#define TARGET_CPU m1284p
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#define TARGET_CPU m1284p
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@ -184,9 +184,9 @@ typedef struct Afsk
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#if BITRATE == 1200
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#if BITRATE == 1200
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int8_t delayBuf[(ADC_SAMPLESPERBIT / 2 - 1) + 1]; // Actual data storage for said FIFO
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int8_t delayBuf[(ADC_SAMPLESPERBIT / 2 - 1) + 1]; // Actual data storage for said FIFO
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#elif BITRATE == 2400
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#elif BITRATE == 2400
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int8_t delayBuf[(7) + 1];
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int8_t delayBuf[(ADC_SAMPLESPERBIT / 2 - 1) + 1];
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#elif BITRATE == 300
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#elif BITRATE == 300
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int8_t delayBuf[(9) + 1];
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int8_t delayBuf[(ADC_SAMPLESPERBIT / 2 - 1) + 1];
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#endif
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#endif
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FIFOBuffer rxFifo; // FIFO for received data
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FIFOBuffer rxFifo; // FIFO for received data
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@ -1,309 +0,0 @@
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from __future__ import print_function
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from time import sleep
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import sys
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import serial
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import threading
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import time
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import argparse
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import struct
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class RNS():
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@staticmethod
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def log(msg):
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logtimefmt = "%Y-%m-%d %H:%M:%S"
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timestamp = time.time()
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logstring = "["+time.strftime(logtimefmt)+"] "+msg
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print(logstring)
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@staticmethod
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def hexrep(data, delimit=True):
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delimiter = ":"
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if not delimit:
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delimiter = ""
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hexrep = delimiter.join("{:02x}".format(ord(c)) for c in data)
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return hexrep
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@staticmethod
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def prettyhexrep(data):
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delimiter = ""
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hexrep = "<"+delimiter.join("{:02x}".format(ord(c)) for c in data)+">"
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return hexrep
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class Interface:
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IN = False
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OUT = False
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FWD = False
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RPT = False
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name = None
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def __init__(self):
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pass
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class KISS():
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FEND = chr(0xC0)
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FESC = chr(0xDB)
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TFEND = chr(0xDC)
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TFESC = chr(0xDD)
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CMD_UNKNOWN = chr(0xFE)
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CMD_DATA = chr(0x00)
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CMD_TXDELAY = chr(0x01)
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CMD_P = chr(0x02)
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CMD_SLOTTIME = chr(0x03)
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CMD_TXTAIL = chr(0x04)
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CMD_FULLDUPLEX = chr(0x05)
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CMD_SETHARDWARE = chr(0x06)
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CMD_READY = chr(0x0F)
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CMD_AUDIO_PEAK = chr(0x12)
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CMD_EN_DIAGS = chr(0x13)
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CMD_RETURN = chr(0xFF)
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@staticmethod
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def escape(data):
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data = data.replace(chr(0xdb), chr(0xdb)+chr(0xdd))
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data = data.replace(chr(0xc0), chr(0xdb)+chr(0xdc))
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return data
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class KISSInterface(Interface):
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MAX_CHUNK = 32768
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owner = None
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port = None
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speed = None
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databits = None
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parity = None
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stopbits = None
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serial = None
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def __init__(self, owner, name, port, speed, databits, parity, stopbits, preamble, txtail, persistence, slottime, flow_control):
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self.serial = None
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self.owner = owner
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self.name = name
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self.port = port
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self.speed = speed
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self.databits = databits
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self.parity = serial.PARITY_NONE
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self.stopbits = stopbits
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self.timeout = 100
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self.online = False
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self.packet_queue = []
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self.flow_control = flow_control
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self.interface_ready = False
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self.preamble = preamble if preamble != None else 350;
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self.txtail = txtail if txtail != None else 20;
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self.persistence = persistence if persistence != None else 64;
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self.slottime = slottime if slottime != None else 20;
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if parity.lower() == "e" or parity.lower() == "even":
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self.parity = serial.PARITY_EVEN
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if parity.lower() == "o" or parity.lower() == "odd":
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self.parity = serial.PARITY_ODD
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try:
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RNS.log("Opening serial port "+self.port+"...")
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self.serial = serial.Serial(
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port = self.port,
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baudrate = self.speed,
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bytesize = self.databits,
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parity = self.parity,
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stopbits = self.stopbits,
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xonxoff = False,
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rtscts = False,
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timeout = 0,
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inter_byte_timeout = None,
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write_timeout = None,
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dsrdtr = False,
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)
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except Exception as e:
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RNS.log("Could not open serial port "+self.port)
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raise e
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if self.serial.is_open:
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# Allow time for interface to initialise before config
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sleep(2.0)
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thread = threading.Thread(target=self.readLoop)
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thread.setDaemon(True)
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thread.start()
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self.online = True
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RNS.log("Serial port "+self.port+" is now open")
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RNS.log("Configuring KISS interface parameters...")
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self.setPreamble(self.preamble)
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self.setTxTail(self.txtail)
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self.setPersistence(self.persistence)
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self.setSlotTime(self.slottime)
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self.setFlowControl(self.flow_control)
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self.interface_ready = True
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RNS.log("KISS interface configured")
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else:
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raise IOError("Could not open serial port")
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def askForPeak(self):
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kiss_command = KISS.FEND+KISS.CMD_AUDIO_PEAK+chr(0x01)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not ask for peak data")
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def displayPeak(self, peak):
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peak_value = struct.unpack("b", peak)
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#RNS.log("Peak is: "+RNS.hexrep(peak))
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RNS.log("Peak is: "+str(peak_value[0]))
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def setPreamble(self, preamble):
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preamble_ms = preamble
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preamble = int(preamble_ms / 10)
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if preamble < 0:
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preamble = 0
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if preamble > 255:
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preamble = 255
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RNS.log("Setting preamble to "+str(preamble)+" "+chr(preamble))
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kiss_command = KISS.FEND+KISS.CMD_TXDELAY+chr(preamble)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not configure KISS interface preamble to "+str(preamble_ms)+" (command value "+str(preamble)+")")
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def setTxTail(self, txtail):
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txtail_ms = txtail
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txtail = int(txtail_ms / 10)
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if txtail < 0:
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txtail = 0
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if txtail > 255:
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txtail = 255
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kiss_command = KISS.FEND+KISS.CMD_TXTAIL+chr(txtail)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not configure KISS interface TX tail to "+str(txtail_ms)+" (command value "+str(txtail)+")")
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def setPersistence(self, persistence):
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if persistence < 0:
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persistence = 0
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if persistence > 255:
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persistence = 255
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kiss_command = KISS.FEND+KISS.CMD_P+chr(persistence)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not configure KISS interface persistence to "+str(persistence))
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def setSlotTime(self, slottime):
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slottime_ms = slottime
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slottime = int(slottime_ms / 10)
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if slottime < 0:
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slottime = 0
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if slottime > 255:
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slottime = 255
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kiss_command = KISS.FEND+KISS.CMD_SLOTTIME+chr(slottime)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not configure KISS interface slot time to "+str(slottime_ms)+" (command value "+str(slottime)+")")
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def setFlowControl(self, flow_control):
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kiss_command = KISS.FEND+KISS.CMD_READY+chr(0x01)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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if (flow_control):
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raise IOError("Could not enable KISS interface flow control")
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else:
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raise IOError("Could not enable KISS interface flow control")
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def enableDiagnostics(self):
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kiss_command = KISS.FEND+KISS.CMD_EN_DIAGS+chr(0x01)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not enable KISS interface diagnostics")
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def disableDiagnostics(self):
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kiss_command = KISS.FEND+KISS.CMD_EN_DIAGS+chr(0x00)+KISS.FEND
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written = self.serial.write(kiss_command)
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if written != len(kiss_command):
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raise IOError("Could not disable KISS interface diagnostics")
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def processIncoming(self, data):
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RNS.log("Decoded packet");
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def processOutgoing(self,data):
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pass
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def queue(self, data):
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pass
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def process_queue(self):
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pass
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def readLoop(self):
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try:
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in_frame = False
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escape = False
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command = KISS.CMD_UNKNOWN
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data_buffer = ""
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last_read_ms = int(time.time()*1000)
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while self.serial.is_open:
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if self.serial.in_waiting:
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byte = self.serial.read(1)
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last_read_ms = int(time.time()*1000)
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if (in_frame and byte == KISS.FEND and command == KISS.CMD_DATA):
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in_frame = False
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self.processIncoming(data_buffer)
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elif (byte == KISS.FEND):
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in_frame = True
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command = KISS.CMD_UNKNOWN
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data_buffer = ""
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elif (in_frame and len(data_buffer) < 611):
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if (len(data_buffer) == 0 and command == KISS.CMD_UNKNOWN):
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command = byte
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elif (command == KISS.CMD_DATA):
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if (byte == KISS.FESC):
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escape = True
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else:
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if (escape):
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if (byte == KISS.TFEND):
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byte = KISS.FEND
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if (byte == KISS.TFESC):
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byte = KISS.FESC
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escape = False
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data_buffer = data_buffer+byte
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elif (command == KISS.CMD_AUDIO_PEAK):
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self.displayPeak(byte)
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else:
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time_since_last = int(time.time()*1000) - last_read_ms
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if len(data_buffer) > 0 and time_since_last > self.timeout:
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data_buffer = ""
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in_frame = False
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command = KISS.CMD_UNKNOWN
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escape = False
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sleep(0.08)
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self.askForPeak()
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except Exception as e:
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self.online = False
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RNS.log("A serial port error occurred, the contained exception was: "+str(e))
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RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.")
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def __str__(self):
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return "KISSInterface["+self.name+"]"
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="OpenModem Audio Level Monitor")
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parser.add_argument("port", nargs="?", default=None, help="serial port where RNode is attached", type=str)
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args = parser.parse_args()
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if args.port:
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kiss_interface = KISSInterface(None, "OpenModem Interface", args.port, 115200, 8, "N", 1, 150, 10, 255, 20, False)
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kiss_interface.enableDiagnostics()
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raw_input();
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else:
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print("")
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parser.print_help()
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print("")
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exit()
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Reference in New Issue
Block a user