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#!/usr/bin/env python
#
# Copyright 2010-2014 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
########################################################################
X300_FW_COMMS_UDP_PORT = 49152
X300_FW_COMMS_FLAGS_ACK = 1
X300_FW_COMMS_FLAGS_ERROR = 2
X300_FW_COMMS_FLAGS_POKE32 = 4
X300_FW_COMMS_FLAGS_PEEK32 = 8
X300_FIXED_PORTS = 5
X300_ZPU_MISC_SR_BUS_OFFSET = 0xA000
X300_ZPU_XBAR_SR_BUS_OFFSET = 0xB000
# Settings register bus addresses (hangs off ZPU wishbone bus)
# Multiple by 4 as ZPU wishbone bus is word aligned
X300_SR_NUM_CE = X300_ZPU_MISC_SR_BUS_OFFSET + 4*7
X300_SR_RB_ADDR_XBAR = X300_ZPU_MISC_SR_BUS_OFFSET + 4*128
# Readback addresses
X300_RB_CROSSBAR = X300_ZPU_MISC_SR_BUS_OFFSET + 4*128
#UDP_CTRL_PORT = 49183
UDP_MAX_XFER_BYTES = 1024
UDP_TIMEOUT = 3
#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, X300_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, blocks=None, ignore=None):
# Readback number of CEs
num_ports = self.peek(X300_SR_NUM_CE) + X300_FIXED_PORTS
ports = ['eth0', 'eth1', 'pcie', 'radio0', 'radio1'] + ["Block{num}".format(num=x) for x in range(num_ports-X300_FIXED_PORTS)]
if blocks is None:
print("\nNote: Using default CE port names (use --blocks to specify)\n")
else:
user_ports = [x.strip() for x in blocks.split(",") if len(x.strip())]
for idx, user_port in enumerate(user_ports):
ports[idx + X300_FIXED_PORTS] = user_port
if ignore is None:
ignore = []
else:
ignore = [int(x.strip()) for x in ignore.split(",") if len(x.strip())]
print("Egress Port "),
# Write out xbar ports
PORT_MAX_LEN = 12
for idx, in_prt in enumerate(ports):
if idx in ignore:
continue
print "{spaces}{name}".format(spaces=(" "*max(0, PORT_MAX_LEN-len(in_prt))), name=in_prt),
print
print(" "*(PORT_MAX_LEN+1)),
for in_prt in range(num_ports-len(ignore)):
print("_" * (PORT_MAX_LEN-1) + " "),
print
for in_prt, port_name in enumerate(ports):
if in_prt in ignore:
continue
print "{spaces}{name} |".format(spaces=(" "*max(0, PORT_MAX_LEN-len(port_name))), name=port_name),
for out_prt in range(num_ports):
if out_prt in ignore:
continue
self.poke(X300_SR_RB_ADDR_XBAR,(in_prt*num_ports+out_prt))
data = self.peek(X300_RB_CROSSBAR)
print("%10d " % (data)),
print
print
print("Ingress Port")
print
def peek_print(self,peek_addr):
peek_data = self.peek(peek_addr)
print("PEEK of address %d(0x%x) reads %d(0x%x)" % (peek_addr,peek_addr,peek_data,peek_data))
return peek_data
def peek(self,peek_addr):
out_pkt = pack_reg_peek_poke_fmt(X300_FW_COMMS_FLAGS_PEEK32|X300_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 & X300_FW_COMMS_FLAGS_ERROR == X300_FW_COMMS_FLAGS_ERROR:
raise Exception("X300 peek of address %d returns error code" % (addr))
return data
def poke_print(self,poke_addr,poke_data):
print("POKE of address %d(0x%x) with %d(0x%x)" % (poke_addr,poke_addr,poke_data,poke_data))
return(self.poke(poke_addr,poke_data))
def poke(self,poke_addr,poke_data):
out_pkt = pack_reg_peek_poke_fmt(X300_FW_COMMS_FLAGS_POKE32|X300_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 & X300_FW_COMMS_FLAGS_ERROR == X300_FW_COMMS_FLAGS_ERROR:
raise Exception("X300 peek of address %d returns error code" % (addr))
return data
########################################################################
# command line options
########################################################################
def get_options():
parser = optparse.OptionParser()
parser.add_option("--addr", type="string", help="USRP-X300 device address", default='')
parser.add_option("--stats", action="store_true", help="Display RFNoC Crossbar Stats", 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("--blocks", help="List names of blocks (post-radio)", default=None)
parser.add_option("--ignore", help="List of ports to ignore", default=None)
(options, args) = parser.parse_args()
return options
########################################################################
# main
########################################################################
if __name__=='__main__':
options = get_options()
if not options.addr: raise Exception('no address specified')
status = ctrl_socket(addr=options.addr)
if options.stats:
status.read_router_stats(options.blocks, options.ignore)
if options.peek is not None:
addr = options.peek
status.peek_print(addr)
if options.poke is not None and options.data is not None:
addr = options.poke
data = options.data
status.poke_print(addr,data)
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