def __init__(self, comm_port="/dev/ttyUSB0"):
self.TIME = time.strftime('%Y%m%d%H%M%S')
self.DEBUG = True
self.COMM_PORT = comm_port
self.PASSWD = ('\x20' * 20)
self.USER_STR = ('\x53\x4d\x41\x43\x4B' + '\x20' * 5) # SMACK
self.USER_NUM = 2
self.INVERT = 0
self.NEGO_ON = True
# Initialize Comm Port
self.SER_CONN0 = c12serial.SERCONN(debug=self.DEBUG)
self.SER_CONN0.serInit(port=self.COMM_PORT, invert=self.INVERT)
# Setup and configure packet
self.packet = self.config_packet()
self.packet.set_debug(self.DEBUG)
self.packet.set_nego(self.NEGO_ON)
if self.DEBUG: print 'Debug:', self.DEBUG
if self.DEBUG: print 'comm_port:', self.COMM_PORT
if self.DEBUG: print 'passwd:', bt.print_data(self.PASSWD)
if self.DEBUG: print 'user_str:', bt.print_data(self.USER_STR)
if self.DEBUG: print 'user_num:', self.USER_NUM
if self.DEBUG: print 'Negotiation:', self.NEGO_ON
if self.DEBUG: print 'Invert:', self.INVERT
def __init__(self, comm_port = "/dev/ttyUSB0"):
self.TIME = time.strftime('%Y%m%d%H%M%S')
self.DEBUG = True
self.COMM_PORT = comm_port
self.PASSWD = ('\x20' * 20)
self.USER_STR = ('\x53\x4d\x41\x43\x4B' + '\x20' * 5) # SMACK
self.USER_NUM = 2
self.INVERT = 0
self.NEGO_ON = True
# Initialize Comm Port
self.SER_CONN0 = c12serial.SERCONN(debug = self.DEBUG)
self.SER_CONN0.serInit(port = self.COMM_PORT, invert = self.INVERT)
# Setup and configure packet
self.packet = self.config_packet()
self.packet.set_debug(self.DEBUG)
self.packet.set_nego(self.NEGO_ON)
if self.DEBUG: print 'Debug:',self.DEBUG
if self.DEBUG: print 'comm_port:',self.COMM_PORT
if self.DEBUG: print 'passwd:',bt.print_data(self.PASSWD)
if self.DEBUG: print 'user_str:',bt.print_data(self.USER_STR)
if self.DEBUG: print 'user_num:',self.USER_NUM
if self.DEBUG: print 'Negotiation:',self.NEGO_ON
if self.DEBUG: print 'Invert:',self.INVERT
def do_action_tread(optic):
'''Action: Read the Standard or Manufacturer table provided by the user.'''
print "Running: Read Table Function"
# Get new user number or use default from configuration file
user_num = raw_input(user_menu)
if user_num == '':
user_num = optic.USER_NUM
else:
user_num = int(user_num)
print "Logging on as User: "******"Logon setup failed."
return
# Logon and send security code
if not optic.packet.login_seq_passwd(optic.SER_CONN0, user_num,
optic.PASSWD):
print "Logon setup failed."
return
# Read Table
print "Reading Table:", table_num
results = optic.packet.full_table_read(optic.SER_CONN0, table_num)
if not results[0]:
print "Read table failed."
return
else:
print "Data Format: <OK - 1 byte><Data length - 2 bytes><Data><Data CRC - 1 byte>"
print "Table ", table_num, " results: ", bt.print_data(results[1])
# Logoff
#if not optic.packet.send_logoff(optic.SER_CONN0):
if not optic.packet.send_terminate(optic.SER_CONN0):
print "Logoff setup failed."
# Return
return
def do_action_tread(optic):
'''Action: Read the Standard or Manufacturer table provided by the user.'''
print "Running: Read Table Function"
# Get new user number or use default from configuration file
user_num = raw_input(user_menu)
if user_num == '':
user_num = optic.USER_NUM
else:
user_num = int(user_num)
print "Logging on as User: "******"Logon setup failed."
return
# Logon and send security code
if not optic.packet.login_seq_passwd(optic.SER_CONN0, user_num, optic.PASSWD):
print "Logon setup failed."
return
# Read Table
print "Reading Table:",table_num
results = optic.packet.full_table_read(optic.SER_CONN0, table_num)
if not results[0]:
print "Read table failed."
return
else:
print "Data Format: <OK - 1 byte><Data length - 2 bytes><Data><Data CRC - 1 byte>"
print "Table ",table_num," results: ",bt.print_data(results[1])
# Logoff
#if not optic.packet.send_logoff(optic.SER_CONN0):
if not optic.packet.send_terminate(optic.SER_CONN0):
print "Logoff setup failed."
# Return
return
def nego_setup(self,ser_conn):
'''Initiates nego sequence. Handles the negotiate message'''
# Create and reset packet
#global SEQ
#packet = c12packet.C1218_packet()
# Test if turned off and just return success
if not self.nego_on:
return SUCCESS
#Send ident
resp = [False,'']
self.reset_packet(ctrl = self.seq)
#Send nego
resp = [False,'']
self.reset_packet(ctrl = self.seq)
if not self.nego():
print "login_setup: Failed to build nego"
data = self.full_packet()
while resp[0] == False:
if self.debug: print "Sending: %s: %s" % ('nego',self.print_packet(data))
self.send_data(ser_conn,data)
# Read Response
resp = self.read_response(ser_conn)
if resp[0] == False:
print "login_setup: nego response failed - ",resp[1]
# This should return OK plus negotiation data
if self.debug: print "Incoming data: ",bt.print_data(resp[1])
result = struct.unpack('B',resp[1][0])[0]
# Cycle Control Byte
#SEQ ^= 1
self.seq ^= 1
if result:
print "login_setup: Failed nego - ", resp_names[result]
return FAIL
# Return the sequence where we left off
return SUCCESS
def login_user(self,ser_conn, user,user_str=''):
'''Provides the ability to logon using a specific user and specific passwd. Sends logon and security messages.'''
# Create and reset packet
#global SEQ
#packet = c12packet.C1218_packet()
resp = [False,'']
#Send logon
self.reset_packet(ctrl = self.seq)
if user_str:
if not self.logon_num(num=user,data=user_str):
print "login_user: Failed to build logon"
else:
if not self.logon_num(num=user):
print "login_user: Failed to build logon"
data = self.full_packet()
while resp[0] == False:
if self.debug: print "Sending: %s: %s" % ('logon',self.print_packet(data))
self.send_data(ser_conn,data)
# Read Response
resp = self.read_response(ser_conn)
if resp[0] == False:
print "login_user: logon response failed - ",resp[1]
# This should return OK
if self.debug: print "Incoming data: ",bt.print_data(resp[1])
result = struct.unpack('B',resp[1][0])[0]
# Cycle Control Byte
#SEQ ^= 1
self.seq ^= 1
if result:
print "login_user: Failed logon - ", resp_names[result]
return FAIL
# Return the sequence where we left off
return SUCCESS
def ident_setup(self,ser_conn):
'''Initiates ident sequence. Handles the ident message'''
# Create and reset packet
#global SEQ
#packet = c12packet.C1218_packet()
fail = 5
#Send ident
resp = [False,'']
self.reset_packet(ctrl = self.seq)
if not self.ident():
print "ident_setup: Failed to build ident"
data = self.full_packet()
while resp[0] == False:
if self.debug: print "Sending: %s: %s" % ('ident',self.print_packet(data))
self.send_data(ser_conn,data)
# Read Response
resp = self.read_response(ser_conn)
if resp[0] == False:
print "ident_setup: ident response failed - ",resp[1]
return FAIL
# This should return OK
if self.debug: print "Incoming data: ",bt.print_data(resp[1])
result = struct.unpack('B',resp[1][0])[0]
# Cycle Control Byte
#SEQ ^= 1
self.seq ^= 1
if result:
print "ident_setup: Failed ident - ", resp_names[result]
return FAIL
# Return the sequence where we left off
return SUCCESS
def run_proc(self,ser_conn, proc, indata=''):
'''Run the specified procedure. Standard or Manufacturer table shoule be handled before the call.'''
# Create and reset packet
#global SEQ
#packet = c12packet.C1218_packet()
#Send ident
resp = [False,'']
self.reset_packet(ctrl = self.seq)
if not self.proc(proc=proc,data=indata):
print "run_proc: Failed to build packet"
data = self.full_packet()
while resp[0] == False:
if self.debug: print "Sending: %s: %s" % ('run_proc',self.print_packet(data))
self.send_data(ser_conn,data)
# Read Response
resp = self.read_response(ser_conn)
if resp[0] == False:
print "run_proc: ident response failed - ",resp[1]
# This should return OK
if self.debug: print "Incoming data: ",bt.print_data(resp[1])
result = struct.unpack('B',resp[1][0])[0]
# Cycle Control Byte
#SEQ ^= 1
self.seq ^= 1
if result:
print "run_proc: Failed to run proc - ", resp_names[result]
return FAIL
# Return the sequence where we left off
return SUCCESS
def send_terminate(self,ser_conn):
'''Sends terminate message'''
# Create and reset packet
#global SEQ
#packet = c12packet.C1218_packet()
#Send ident
resp = [False,'']
self.reset_packet(ctrl = self.seq)
if not self.term():
print "send_terminate: Failed to build packet"
data = self.full_packet()
while resp[0] == False:
if self.debug: print "Sending: %s: %s" % ('terminate',self.print_packet(data))
self.send_data(ser_conn,data)
# Read Response
resp = self.read_response(ser_conn)
if resp[0] == False:
print "send_terminate: ident response failed - ",resp[1]
# This should return OK
if self.debug: print "Incoming data: ",bt.print_data(resp[1])
result = struct.unpack('B',resp[1][0])[0]
# Cycle Control Byte
#SEQ ^= 1
self.seq ^= 1
if result:
print "send_terminate: Failed termination of connection - ", resp_names[result]
return FAIL
# Return the sequence where we left off
return SUCCESS
def read_response(self,ser_conn):
'''Get serial input and return list. [ok/nok,data]'''
# <packet> ::= <stp><identity><ctrl><seq-nbr><length><data><crc>
# B B B B W Var W
# Read ack and test for '\x06' else return error
# Read 6 bytes, test first byte for <stp>, test ctrl for multi-packet, and then get length
# Read in len + 2 to get all data plus packet <crc>
# return data
read_ok = True # Results are bad
read_nok = False # Results are good
multi = 1 # Number of incoming packets
header = 6 # Default size of packet header
plength = 0 # Incoming size of packet's data section
pdata = '' # Incoming packet's data
mdata = '' # Combined incoming data
inbyte = '' # Initial storage
fdata = ''
fail = 2 # Fail after 5 bad attempts
# Read until ACK
inbyte = ser_conn.read_byte()
while inbyte not in ack_bytes:
if self.debug and (inbyte not in ack_bytes): print "read_response: did not receive ack byte:",bt.print_data(inbyte)
if not fail:
#return [read_nok,'Nothing returned']
#return [read_nok,bt.print_data(inbyte)]
self.send_nack(ser_conn)
fail = 2
fail -= 1
inbyte = ser_conn.read_byte()
if inbyte == NAK:
return [read_nok,'No ACK']
# Get multiple packets by starting with at least one packet
while multi:
# Grab header
inbyte = ser_conn.read_sbytes(header)
# Test STP
if inbyte[0] != STP:
return [read_nok,'Bad STP Value']
# Test for multiple packets by looking at seq_num
multi = struct.unpack('B',inbyte[3])[0]
# Get data length
plength = struct.unpack('>H',inbyte[-2:])[0]
# Get data
pdata = ser_conn.read_sbytes(plength)
# Get Packet CRC
pcrc = ser_conn.read_sbytes(2)
fdata = inbyte + pdata
if self.debug: print "read_response: received data: ", bt.print_data(fdata + pcrc)
if not self.test_crc(data=fdata,crc=pcrc):
# TODO: c12_18_optical_client.py: make read_response read again for 3 (?) tries before error
return [read_nok,'Packet CRC failed']
# Pull multiple packet data together
mdata += pdata
# If multiple packets send ACK to get next packet
if multi:
self.send_ack(ser_conn,cmd_pause)
# Send ACK and return read is ok and any data received
self.send_ack(ser_conn,cmd_pause)
return [read_ok,mdata]
COMM_PORT = comm_port
COMM_BAUD = 9600
OUTFILE = 'c1218_optical_results_' + self.TIME + '.txt'
PASSWD = ('\x20' * 20)
USER_STR = ('\x53\x4d\x41\x43\x4B' + '\x20' * 5) # SMACK
USER_NUM = 2
INVERT = 0
NEGO_ON = False
PASSWD_FILE = ''
if DEBUG: print 'Debug:',DEBUG
if DEBUG: print 'config file:',CONFIG_FILE
if DEBUG: print 'comm_port:',COMM_PORT
if DEBUG: print 'comm_baud:',COMM_BAUD
if DEBUG: print 'outfile:',OUTFILE
if DEBUG: print 'passwd:',bt.print_data(PASSWD)
if DEBUG: print 'user_str:',bt.print_data(USER_STR)
if DEBUG: print 'user_num:',USER_NUM
if DEBUG: print 'Invert:',INVERT
if DEBUG: print 'Negotiation:',NEGO_ON
if DEBUG: print 'passwd_file:',PASSWD_FILE
######################################
# End: Parse C12.18 Optical Configuration file
######################################
######################################
# VARIABLES - These values will not change
######################################
# Delay values
#start_delay = 100
#start_delay = 1
COMM_PORT = comm_port
COMM_BAUD = 9600
OUTFILE = 'c1218_optical_results_' + self.TIME + '.txt'
PASSWD = ('\x20' * 20)
USER_STR = ('\x53\x4d\x41\x43\x4B' + '\x20' * 5) # SMACK
USER_NUM = 2
INVERT = 0
NEGO_ON = False
PASSWD_FILE = ''
if DEBUG: print 'Debug:', DEBUG
if DEBUG: print 'config file:', CONFIG_FILE
if DEBUG: print 'comm_port:', COMM_PORT
if DEBUG: print 'comm_baud:', COMM_BAUD
if DEBUG: print 'outfile:', OUTFILE
if DEBUG: print 'passwd:', bt.print_data(PASSWD)
if DEBUG: print 'user_str:', bt.print_data(USER_STR)
if DEBUG: print 'user_num:', USER_NUM
if DEBUG: print 'Invert:', INVERT
if DEBUG: print 'Negotiation:', NEGO_ON
if DEBUG: print 'passwd_file:', PASSWD_FILE
######################################
# End: Parse C12.18 Optical Configuration file
######################################
######################################
# VARIABLES - These values will not change
######################################
# Delay values
#start_delay = 100
#start_delay = 1
