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#!/usr/bin/env python
#
# Copyright 2010-2011 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import optparse
import math
import socket
import struct
########################################################################
# constants
########################################################################
B250_FW_COMMS_UDP_PORT = 49152
B250_FW_COMMS_FLAGS_ACK = 1
B250_FW_COMMS_FLAGS_ERROR = 2
B250_FW_COMMS_FLAGS_POKE32 = 4
B250_FW_COMMS_FLAGS_PEEK32 = 8
#UDP_CTRL_PORT = 49183
UDP_MAX_XFER_BYTES = 1024
UDP_TIMEOUT = 3
#USRP2_FW_PROTO_VERSION = 11 #should be unused after r6
#REG_ARGS_FMT = '!LLLLLB15x'
#REG_IP_FMT = '!LLLL20x'
REG_PEEK_POKE_FMT = '!LLLL'
_seq = -1
def seq():
global _seq
_seq = _seq+1
return _seq
########################################################################
# helper functions
########################################################################
def unpack_reg_peek_poke_fmt(s):
return struct.unpack(REG_PEEK_POKE_FMT,s) #(flags, seq, addr, data)
def pack_reg_peek_poke_fmt(flags, seq, addr, data):
return struct.pack(REG_PEEK_POKE_FMT, flags, seq, addr, data);
########################################################################
# Burner class, holds a socket and send/recv routines
########################################################################
class ctrl_socket(object):
def __init__(self, addr):
self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self._sock.settimeout(UDP_TIMEOUT)
self._sock.connect((addr, B250_FW_COMMS_UDP_PORT))
self.set_callbacks(lambda *a: None, lambda *a: None)
#self.init_update() #check that the device is there
def set_callbacks(self, progress_cb, status_cb):
self._progress_cb = progress_cb
self._status_cb = status_cb
def send_and_recv(self, pkt):
self._sock.send(pkt)
return self._sock.recv(UDP_MAX_XFER_BYTES)
def read_router_stats(self):
print
print(" "),
ports = [' eth0',' eth1',' radio0',' radio1',' compute0',' compute1',' compute2',' pcie']
for in_prt in ports:
print("%s" % in_prt),
print(" Egress Port")
print(" "),
for in_prt in range (0, 8):
print("____________"),
print
for in_prt in range (0, 8):
print("%s |" % ports[in_prt]),
for out_prt in range (0, 8):
out_pkt = pack_reg_peek_poke_fmt(B250_FW_COMMS_FLAGS_PEEK32|B250_FW_COMMS_FLAGS_ACK, seq(), 0xA000+256+((in_prt*8+out_prt)*4), 0)
in_pkt = self.send_and_recv(out_pkt)
(flags, rxseq, addr, data) = unpack_reg_peek_poke_fmt(in_pkt)
if flags & B250_FW_COMMS_FLAGS_ERROR == B250_FW_COMMS_FLAGS_ERROR:
raise Exception("B250 peek returns error code")
print("%10d " % (data)),
print
print
print("Ingress Port")
print
def peek(self,peek_addr):
out_pkt = pack_reg_peek_poke_fmt(B250_FW_COMMS_FLAGS_PEEK32|B250_FW_COMMS_FLAGS_ACK, seq(), peek_addr, 0)
in_pkt = self.send_and_recv(out_pkt)
(flags, rxseq, addr, data) = unpack_reg_peek_poke_fmt(in_pkt)
if flags & B250_FW_COMMS_FLAGS_ERROR == B250_FW_COMMS_FLAGS_ERROR:
raise Exception("B250 peek of address %d returns error code" % (addr))
print("PEEK of address %d(0x%x) reads %d(0x%x)" % (addr,addr,data,data))
def poke(self,poke_addr,poke_data):
out_pkt = pack_reg_peek_poke_fmt(B250_FW_COMMS_FLAGS_POKE32|B250_FW_COMMS_FLAGS_ACK, seq(), poke_addr, poke_data)
in_pkt = self.send_and_recv(out_pkt)
(flags, rxseq, addr, data) = unpack_reg_peek_poke_fmt(in_pkt)
if flags & B250_FW_COMMS_FLAGS_ERROR == B250_FW_COMMS_FLAGS_ERROR:
raise Exception("B250 peek of address %d returns error code" % (addr))
print("POKE of address %d(0x%x) with %d(0x%x)" % (poke_addr,poke_addr,poke_data,poke_data) )
########################################################################
# command line options
########################################################################
def get_options():
parser = optparse.OptionParser()
parser.add_option("--addr", type="string", help="USRP-N2XX device address", default='')
parser.add_option("--list", action="store_true", help="list possible network devices", default=False)
parser.add_option("--peek", type="int", help="Read from memory map", default=None)
parser.add_option("--poke", type="int", help="Write to memory map", default=None)
parser.add_option("--data", type="int", help="Data for poke", default=None)
parser.add_option("--stats", action="store_true", help="Display SuperMIMO Network Stats", default=False)
(options, args) = parser.parse_args()
return options
########################################################################
# main
########################################################################
if __name__=='__main__':
options = get_options()
if options.list:
print('Possible network devices:')
print(' ' + '\n '.join(enumerate_devices()))
exit()
if not options.addr: raise Exception('no address specified')
status = ctrl_socket(addr=options.addr)
if options.stats:
status.read_router_stats()
if options.peek is not None:
addr = options.peek
status.peek(addr)
if options.poke is not None and options.data is not None:
addr = options.poke
data = options.data
status.poke(addr,data)
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