self.submodules.icmp = LiteEthICMP(self.ip, ip_address)
class LiteEthUDPIPCore(LiteEthIPCore):
- def __init__(self, phy, mac_address, ip_address, clk_freq):
+ def __init__(self, phy, mac_address, ip_address, clk_freq, with_loopback=False):
LiteEthIPCore.__init__(self, phy, mac_address, ip_address, clk_freq)
- self.submodules.udp = LiteEthUDP(self.ip, ip_address)
- self.sink, self.source = self.udp.sink, self.udp.source
+ self.submodules.udp = LiteEthUDP(self.ip, ip_address, with_loopback)
+ if not with_loopback:
+ self.sink, self.source = self.udp.sink, self.udp.source
self.comb += [
source.sop.eq(sink.sop),
source.eop.eq(sink.eop),
- source.length.eq(sink.total_length - (sink.ihl*4)),
+ source.length.eq(sink.total_length - (0x5*4)),
source.protocol.eq(sink.protocol),
source.ip_address.eq(sink.sender_ip),
source.data.eq(sink.data),
)
fsm.act("SEND",
Record.connect(packetizer.source, self.source),
- self.source.length.eq(packetizer.sink.length + ipv4_header_len),
+ self.source.length.eq(packetizer.sink.length),
self.source.protocol.eq(udp_protocol),
self.source.ip_address.eq(self.sink.ip_address),
If(self.source.stb & self.source.eop & self.source.ack,
source.eop.eq(sink.eop),
source.src_port.eq(sink.src_port),
source.dst_port.eq(sink.dst_port),
- source.ip_address.eq(0),
+ source.ip_address.eq(self.sink.ip_address),
source.length.eq(sink.length - udp_header_len),
source.data.eq(sink.data),
source.error.eq(sink.error)
)
class LiteEthUDP(Module):
- def __init__(self, ip, ip_address):
+ def __init__(self, ip, ip_address, with_loopback):
self.submodules.tx = LiteEthUDPTX(ip_address)
self.submodules.rx = LiteEthUDPRX(ip_address)
ip_port = ip.crossbar.get_port(udp_protocol)
Record.connect(self.tx.source, ip_port.sink),
Record.connect(ip_port.source, self.rx.sink)
]
- self.sink, self.source = self.tx.sink, self.rx.source
+ if with_loopback:
+ self.submodules.fifo = SyncFIFO(eth_udp_user_description(8), 2048, buffered=True)
+ self.comb += [
+ Record.connect(self.rx.source, self.fifo.sink),
+ Record.connect(self.fifo.source, self.tx.sink)
+ ]
+ else:
+ self.sink, self.source = self.tx.sink, self.rx.source
all clean, build-csr-csv, build-bitstream, load-bitstream.
""")
- parser.add_argument("-t", "--target", default="udpip", help="Core type to build")
+ parser.add_argument("-t", "--target", default="udp", help="Core type to build")
parser.add_argument("-s", "--sub-target", default="", help="variant of the Core type to build")
parser.add_argument("-p", "--platform", default=None, help="platform to build for")
parser.add_argument("-Ot", "--target-option", default=[], nargs=2, action="append", help="set target-specific option")
--- /dev/null
+import os, atexit
+
+from migen.bank import csrgen
+from migen.bus import wishbone, csr
+from migen.bus import wishbone2csr
+from migen.genlib.cdc import *
+from migen.genlib.resetsync import AsyncResetSynchronizer
+from migen.bank.description import *
+
+from misoclib import identifier
+
+from litescope.common import *
+from litescope.bridge.uart2wb import LiteScopeUART2WB
+from litescope.frontend.la import LiteScopeLA
+from litescope.core.port import LiteScopeTerm
+
+from liteeth.common import *
+from liteeth.phy.gmii import LiteEthPHYGMII
+from liteeth.core import LiteEthUDPIPCore
+
+class _CRG(Module):
+ def __init__(self, platform):
+ self.clock_domains.cd_sys = ClockDomain()
+ self.reset = Signal()
+
+ clk200 = platform.request("clk200")
+ clk200_se = Signal()
+ self.specials += Instance("IBUFDS", i_I=clk200.p, i_IB=clk200.n, o_O=clk200_se)
+
+ pll_locked = Signal()
+ pll_fb = Signal()
+ pll_sys = Signal()
+ self.specials += [
+ Instance("PLLE2_BASE",
+ p_STARTUP_WAIT="FALSE", o_LOCKED=pll_locked,
+
+ # VCO @ 1GHz
+ p_REF_JITTER1=0.01, p_CLKIN1_PERIOD=5.0,
+ p_CLKFBOUT_MULT=5, p_DIVCLK_DIVIDE=1,
+ i_CLKIN1=clk200_se, i_CLKFBIN=pll_fb, o_CLKFBOUT=pll_fb,
+
+ # 166MHz
+ p_CLKOUT0_DIVIDE=6, p_CLKOUT0_PHASE=0.0, o_CLKOUT0=pll_sys,
+
+ p_CLKOUT1_DIVIDE=2, p_CLKOUT1_PHASE=0.0, #o_CLKOUT1=,
+
+ p_CLKOUT2_DIVIDE=2, p_CLKOUT2_PHASE=0.0, #o_CLKOUT2=,
+
+ p_CLKOUT3_DIVIDE=2, p_CLKOUT3_PHASE=0.0, #o_CLKOUT3=,
+
+ p_CLKOUT4_DIVIDE=2, p_CLKOUT4_PHASE=0.0, #o_CLKOUT4=
+ ),
+ Instance("BUFG", i_I=pll_sys, o_O=self.cd_sys.clk),
+ AsyncResetSynchronizer(self.cd_sys, ~pll_locked | platform.request("cpu_reset") | self.reset),
+ ]
+
+class GenSoC(Module):
+ csr_base = 0x00000000
+ csr_data_width = 32
+ csr_map = {
+ "bridge": 0,
+ "identifier": 1,
+ }
+ interrupt_map = {}
+ cpu_type = None
+ def __init__(self, platform, clk_freq):
+ self.clk_freq = clk_freq
+ # UART <--> Wishbone bridge
+ self.submodules.bridge = LiteScopeUART2WB(platform.request("serial"), clk_freq, baud=921600)
+
+ # CSR bridge 0x00000000 (shadow @0x00000000)
+ self.submodules.wishbone2csr = wishbone2csr.WB2CSR(bus_csr=csr.Interface(self.csr_data_width))
+ self._wb_masters = [self.bridge.wishbone]
+ self._wb_slaves = [(lambda a: a[23:25] == 0, self.wishbone2csr.wishbone)]
+ self.cpu_csr_regions = [] # list of (name, origin, busword, csr_list/Memory)
+
+ # CSR
+ self.submodules.identifier = identifier.Identifier(0, int(clk_freq), 0)
+
+ def add_cpu_memory_region(self, name, origin, length):
+ self.cpu_memory_regions.append((name, origin, length))
+
+ def add_cpu_csr_region(self, name, origin, busword, obj):
+ self.cpu_csr_regions.append((name, origin, busword, obj))
+
+ def do_finalize(self):
+ # Wishbone
+ self.submodules.wishbonecon = wishbone.InterconnectShared(self._wb_masters,
+ self._wb_slaves, register=True)
+
+ # CSR
+ self.submodules.csrbankarray = csrgen.BankArray(self,
+ lambda name, memory: self.csr_map[name if memory is None else name + "_" + memory.name_override],
+ data_width=self.csr_data_width)
+ self.submodules.csrcon = csr.Interconnect(self.wishbone2csr.csr, self.csrbankarray.get_buses())
+ for name, csrs, mapaddr, rmap in self.csrbankarray.banks:
+ self.add_cpu_csr_region(name, 0xe0000000+0x800*mapaddr, flen(rmap.bus.dat_w), csrs)
+ for name, memory, mapaddr, mmap in self.csrbankarray.srams:
+ self.add_cpu_csr_region(name, 0xe0000000+0x800*mapaddr, flen(rmap.bus.dat_w), memory)
+
+class UDPSoC(GenSoC, AutoCSR):
+ default_platform = "kc705"
+ csr_map = {
+ "phy": 11,
+ "udp": 12
+ }
+ csr_map.update(GenSoC.csr_map)
+ def __init__(self, platform):
+ clk_freq = 166*1000000
+ GenSoC.__init__(self, platform, clk_freq)
+ self.submodules.crg = _CRG(platform)
+
+ # Ethernet PHY and UDP/IP
+ self.submodules.phy = LiteEthPHYGMII(platform.request("eth_clocks"), platform.request("eth"))
+ self.submodules.udp = LiteEthUDPIPCore(self.phy, 0x10e2d5000000, convert_ip("192.168.1.40"), clk_freq, with_loopback=True)
+
+class UDPSoCDevel(UDPSoC, AutoCSR):
+ csr_map = {
+ "la": 20
+ }
+ csr_map.update(UDPSoC.csr_map)
+ def __init__(self, platform):
+ UDPSoC.__init__(self, platform)
+
+ self.udp_icmp_rx_fsm_state = Signal(4)
+ self.udp_icmp_tx_fsm_state = Signal(4)
+ self.udp_udp_rx_fsm_state = Signal(4)
+ self.udp_udp_tx_fsm_state = Signal(4)
+ self.udp_ip_rx_fsm_state = Signal(4)
+ self.udp_ip_tx_fsm_state = Signal(4)
+ self.udp_arp_rx_fsm_state = Signal(4)
+ self.udp_arp_tx_fsm_state = Signal(4)
+ self.udp_arp_table_fsm_state = Signal(4)
+
+ debug = (
+ self.udp.mac.core.sink.stb,
+ self.udp.mac.core.sink.sop,
+ self.udp.mac.core.sink.eop,
+ self.udp.mac.core.sink.ack,
+ self.udp.mac.core.sink.data,
+
+ self.udp.mac.core.source.stb,
+ self.udp.mac.core.source.sop,
+ self.udp.mac.core.source.eop,
+ self.udp.mac.core.source.ack,
+ self.udp.mac.core.source.data,
+
+ self.udp.icmp.echo.sink.stb,
+ self.udp.icmp.echo.sink.sop,
+ self.udp.icmp.echo.sink.eop,
+ self.udp.icmp.echo.sink.ack,
+ self.udp.icmp.echo.sink.data,
+
+ self.udp.icmp.echo.source.stb,
+ self.udp.icmp.echo.source.sop,
+ self.udp.icmp.echo.source.eop,
+ self.udp.icmp.echo.source.ack,
+ self.udp.icmp.echo.source.data,
+
+ self.udp.ip.crossbar.master.sink.stb,
+ self.udp.ip.crossbar.master.sink.sop,
+ self.udp.ip.crossbar.master.sink.eop,
+ self.udp.ip.crossbar.master.sink.ack,
+ self.udp.ip.crossbar.master.sink.data,
+ self.udp.ip.crossbar.master.sink.ip_address,
+ self.udp.ip.crossbar.master.sink.protocol,
+
+ self.phy.sink.stb,
+ self.phy.sink.sop,
+ self.phy.sink.eop,
+ self.phy.sink.ack,
+ self.phy.sink.data,
+
+ self.phy.source.stb,
+ self.phy.source.sop,
+ self.phy.source.eop,
+ self.phy.source.ack,
+ self.phy.source.data,
+
+ self.udp_icmp_rx_fsm_state,
+ self.udp_icmp_tx_fsm_state,
+ self.udp_udp_rx_fsm_state,
+ self.udp_udp_tx_fsm_state,
+ self.udp_ip_rx_fsm_state,
+ self.udp_ip_tx_fsm_state,
+ self.udp_arp_rx_fsm_state,
+ self.udp_arp_tx_fsm_state,
+ self.udp_arp_table_fsm_state,
+ )
+
+ self.submodules.la = LiteScopeLA(debug, 2048)
+ self.la.trigger.add_port(LiteScopeTerm(self.la.dw))
+ atexit.register(self.exit, platform)
+
+ def do_finalize(self):
+ UDPSoC.do_finalize(self)
+ self.comb += [
+ self.udp_icmp_rx_fsm_state.eq(self.udp.icmp.rx.fsm.state),
+ self.udp_icmp_tx_fsm_state.eq(self.udp.icmp.tx.fsm.state),
+ self.udp_udp_rx_fsm_state.eq(self.udp.udp.rx.fsm.state),
+ self.udp_udp_tx_fsm_state.eq(self.udp.udp.tx.fsm.state),
+ self.udp_ip_rx_fsm_state.eq(self.udp.ip.rx.fsm.state),
+ self.udp_ip_tx_fsm_state.eq(self.udp.ip.tx.fsm.state),
+ self.udp_arp_rx_fsm_state.eq(self.udp.arp.rx.fsm.state),
+ self.udp_arp_tx_fsm_state.eq(self.udp.arp.tx.fsm.state),
+ self.udp_arp_table_fsm_state.eq(self.udp.arp.table.fsm.state)
+ ]
+
+ def exit(self, platform):
+ if platform.vns is not None:
+ self.la.export(platform.vns, "../test/la.csv")
+
+default_subtarget = UDPSoC
+++ /dev/null
-import os, atexit
-
-from migen.bank import csrgen
-from migen.bus import wishbone, csr
-from migen.bus import wishbone2csr
-from migen.genlib.cdc import *
-from migen.genlib.resetsync import AsyncResetSynchronizer
-from migen.bank.description import *
-
-from misoclib import identifier
-
-from litescope.common import *
-from litescope.bridge.uart2wb import LiteScopeUART2WB
-from litescope.frontend.la import LiteScopeLA
-from litescope.core.port import LiteScopeTerm
-
-from liteeth.common import *
-from liteeth.phy.gmii import LiteEthPHYGMII
-from liteeth.core import LiteEthUDPIPCore
-
-class _CRG(Module):
- def __init__(self, platform):
- self.clock_domains.cd_sys = ClockDomain()
- self.reset = Signal()
-
- clk200 = platform.request("clk200")
- clk200_se = Signal()
- self.specials += Instance("IBUFDS", i_I=clk200.p, i_IB=clk200.n, o_O=clk200_se)
-
- pll_locked = Signal()
- pll_fb = Signal()
- pll_sys = Signal()
- self.specials += [
- Instance("PLLE2_BASE",
- p_STARTUP_WAIT="FALSE", o_LOCKED=pll_locked,
-
- # VCO @ 1GHz
- p_REF_JITTER1=0.01, p_CLKIN1_PERIOD=5.0,
- p_CLKFBOUT_MULT=5, p_DIVCLK_DIVIDE=1,
- i_CLKIN1=clk200_se, i_CLKFBIN=pll_fb, o_CLKFBOUT=pll_fb,
-
- # 166MHz
- p_CLKOUT0_DIVIDE=6, p_CLKOUT0_PHASE=0.0, o_CLKOUT0=pll_sys,
-
- p_CLKOUT1_DIVIDE=2, p_CLKOUT1_PHASE=0.0, #o_CLKOUT1=,
-
- p_CLKOUT2_DIVIDE=2, p_CLKOUT2_PHASE=0.0, #o_CLKOUT2=,
-
- p_CLKOUT3_DIVIDE=2, p_CLKOUT3_PHASE=0.0, #o_CLKOUT3=,
-
- p_CLKOUT4_DIVIDE=2, p_CLKOUT4_PHASE=0.0, #o_CLKOUT4=
- ),
- Instance("BUFG", i_I=pll_sys, o_O=self.cd_sys.clk),
- AsyncResetSynchronizer(self.cd_sys, ~pll_locked | platform.request("cpu_reset") | self.reset),
- ]
-
-class GenSoC(Module):
- csr_base = 0x00000000
- csr_data_width = 32
- csr_map = {
- "bridge": 0,
- "identifier": 1,
- }
- interrupt_map = {}
- cpu_type = None
- def __init__(self, platform, clk_freq):
- self.clk_freq = clk_freq
- # UART <--> Wishbone bridge
- self.submodules.bridge = LiteScopeUART2WB(platform.request("serial"), clk_freq, baud=921600)
-
- # CSR bridge 0x00000000 (shadow @0x00000000)
- self.submodules.wishbone2csr = wishbone2csr.WB2CSR(bus_csr=csr.Interface(self.csr_data_width))
- self._wb_masters = [self.bridge.wishbone]
- self._wb_slaves = [(lambda a: a[23:25] == 0, self.wishbone2csr.wishbone)]
- self.cpu_csr_regions = [] # list of (name, origin, busword, csr_list/Memory)
-
- # CSR
- self.submodules.identifier = identifier.Identifier(0, int(clk_freq), 0)
-
- def add_cpu_memory_region(self, name, origin, length):
- self.cpu_memory_regions.append((name, origin, length))
-
- def add_cpu_csr_region(self, name, origin, busword, obj):
- self.cpu_csr_regions.append((name, origin, busword, obj))
-
- def do_finalize(self):
- # Wishbone
- self.submodules.wishbonecon = wishbone.InterconnectShared(self._wb_masters,
- self._wb_slaves, register=True)
-
- # CSR
- self.submodules.csrbankarray = csrgen.BankArray(self,
- lambda name, memory: self.csr_map[name if memory is None else name + "_" + memory.name_override],
- data_width=self.csr_data_width)
- self.submodules.csrcon = csr.Interconnect(self.wishbone2csr.csr, self.csrbankarray.get_buses())
- for name, csrs, mapaddr, rmap in self.csrbankarray.banks:
- self.add_cpu_csr_region(name, 0xe0000000+0x800*mapaddr, flen(rmap.bus.dat_w), csrs)
- for name, memory, mapaddr, mmap in self.csrbankarray.srams:
- self.add_cpu_csr_region(name, 0xe0000000+0x800*mapaddr, flen(rmap.bus.dat_w), memory)
-
-class UDPIPBISTGeneratorUnit(Module):
- def __init__(self):
- self.start = Signal()
- self.src_port = Signal(16)
- self.dst_port = Signal(16)
- self.ip_address = Signal(32)
- self.length = Signal(16)
- self.done = Signal()
-
- self.source = source = Source(eth_udp_user_description(8))
- ###
-
- counter = Counter(bits_sign=16)
- self.submodules += counter
-
- self.fsm = fsm = FSM(reset_state="IDLE")
- self.submodules += fsm
- fsm.act("IDLE",
- self.done.eq(1),
- counter.reset.eq(1),
- If(self.start,
- NextState("SEND")
- )
- )
- self.comb += [
- source.sop.eq(counter.value == 0),
- source.eop.eq(counter.value == (self.length-1)),
- source.src_port.eq(self.src_port),
- source.dst_port.eq(self.dst_port),
- source.length.eq(self.length),
- source.ip_address.eq(self.ip_address),
- source.data.eq(counter.value)
- ]
- fsm.act("SEND",
- source.stb.eq(1),
- If(source.stb & source.ack,
- counter.ce.eq(1),
- If(source.eop,
- NextState("IDLE")
- )
- )
- )
-
-class UDPIPBISTGenerator(UDPIPBISTGeneratorUnit, AutoCSR):
- def __init__(self):
- self._start = CSR()
- self._src_port = CSRStorage(16)
- self._dst_port = CSRStorage(16)
- self._ip_address = CSRStorage(32)
- self._length = CSRStorage(16)
- self._done = CSRStatus()
- ###
- UDPIPBISTGeneratorUnit.__init__(self)
-
- self.comb += [
- self.start.eq(self._start.r & self._start.re),
- self.src_port.eq(self._src_port.storage),
- self.dst_port.eq(self._dst_port.storage),
- self.ip_address.eq(self._ip_address.storage),
- self.length.eq(self._length.storage),
- self._done.status.eq(self.done)
- ]
-
-class UDPIPSoC(GenSoC, AutoCSR):
- default_platform = "kc705"
- csr_map = {
- "ethphy": 11,
- "udpip_core": 12,
- "bist_generator": 13
- }
- csr_map.update(GenSoC.csr_map)
- def __init__(self, platform):
- clk_freq = 166*1000000
- GenSoC.__init__(self, platform, clk_freq)
- self.submodules.crg = _CRG(platform)
-
- # Ethernet PHY and UDP/IP
- self.submodules.ethphy = LiteEthPHYGMII(platform.request("eth_clocks"), platform.request("eth"))
- self.submodules.udpip_core = LiteEthUDPIPCore(self.ethphy, 0x10e2d5000000, convert_ip("192.168.1.40"), clk_freq)
-
- # BIST
- self.submodules.bist_generator = UDPIPBISTGenerator()
- self.comb += [
- Record.connect(self.bist_generator.source, self.udpip_core.sink),
- self.udpip_core.source.ack.eq(1)
- ]
-
-class UDPIPSoCDevel(UDPIPSoC, AutoCSR):
- csr_map = {
- "la": 20
- }
- csr_map.update(UDPIPSoC.csr_map)
- def __init__(self, platform):
- UDPIPSoC.__init__(self, platform)
-
- self.udpip_core_icmp_rx_fsm_state = Signal(4)
- self.udpip_core_icmp_tx_fsm_state = Signal(4)
- self.udpip_core_udp_rx_fsm_state = Signal(4)
- self.udpip_core_udp_tx_fsm_state = Signal(4)
- self.udpip_core_ip_rx_fsm_state = Signal(4)
- self.udpip_core_ip_tx_fsm_state = Signal(4)
- self.udpip_core_arp_rx_fsm_state = Signal(4)
- self.udpip_core_arp_tx_fsm_state = Signal(4)
- self.udpip_core_arp_table_fsm_state = Signal(4)
-
- debug = (
- self.udpip_core.mac.core.sink.stb,
- self.udpip_core.mac.core.sink.sop,
- self.udpip_core.mac.core.sink.eop,
- self.udpip_core.mac.core.sink.ack,
- self.udpip_core.mac.core.sink.data,
-
- self.udpip_core.mac.core.source.stb,
- self.udpip_core.mac.core.source.sop,
- self.udpip_core.mac.core.source.eop,
- self.udpip_core.mac.core.source.ack,
- self.udpip_core.mac.core.source.data,
-
- self.udpip_core.icmp.echo.sink.stb,
- self.udpip_core.icmp.echo.sink.sop,
- self.udpip_core.icmp.echo.sink.eop,
- self.udpip_core.icmp.echo.sink.ack,
- self.udpip_core.icmp.echo.sink.data,
-
- self.udpip_core.icmp.echo.source.stb,
- self.udpip_core.icmp.echo.source.sop,
- self.udpip_core.icmp.echo.source.eop,
- self.udpip_core.icmp.echo.source.ack,
- self.udpip_core.icmp.echo.source.data,
-
- self.udpip_core.ip.crossbar.master.sink.stb,
- self.udpip_core.ip.crossbar.master.sink.sop,
- self.udpip_core.ip.crossbar.master.sink.eop,
- self.udpip_core.ip.crossbar.master.sink.ack,
- self.udpip_core.ip.crossbar.master.sink.data,
- self.udpip_core.ip.crossbar.master.sink.ip_address,
- self.udpip_core.ip.crossbar.master.sink.protocol,
-
- self.ethphy.sink.stb,
- self.ethphy.sink.sop,
- self.ethphy.sink.eop,
- self.ethphy.sink.ack,
- self.ethphy.sink.data,
-
- self.ethphy.source.stb,
- self.ethphy.source.sop,
- self.ethphy.source.eop,
- self.ethphy.source.ack,
- self.ethphy.source.data,
-
- self.udpip_core_icmp_rx_fsm_state,
- self.udpip_core_icmp_tx_fsm_state,
- self.udpip_core_udp_rx_fsm_state,
- self.udpip_core_udp_tx_fsm_state,
- self.udpip_core_ip_rx_fsm_state,
- self.udpip_core_ip_tx_fsm_state,
- self.udpip_core_arp_rx_fsm_state,
- self.udpip_core_arp_tx_fsm_state,
- self.udpip_core_arp_table_fsm_state,
- )
-
- self.submodules.la = LiteScopeLA(debug, 2048)
- self.la.trigger.add_port(LiteScopeTerm(self.la.dw))
- atexit.register(self.exit, platform)
-
- def do_finalize(self):
- UDPIPSoC.do_finalize(self)
- self.comb += [
- self.udpip_core_icmp_rx_fsm_state.eq(self.udpip_core.icmp.rx.fsm.state),
- self.udpip_core_icmp_tx_fsm_state.eq(self.udpip_core.icmp.tx.fsm.state),
- self.udpip_core_udp_rx_fsm_state.eq(self.udpip_core.udp.rx.fsm.state),
- self.udpip_core_udp_tx_fsm_state.eq(self.udpip_core.udp.tx.fsm.state),
- self.udpip_core_ip_rx_fsm_state.eq(self.udpip_core.ip.rx.fsm.state),
- self.udpip_core_ip_tx_fsm_state.eq(self.udpip_core.ip.tx.fsm.state),
- self.udpip_core_arp_rx_fsm_state.eq(self.udpip_core.arp.rx.fsm.state),
- self.udpip_core_arp_tx_fsm_state.eq(self.udpip_core.arp.tx.fsm.state),
- self.udpip_core_arp_table_fsm_state.eq(self.udpip_core.arp.table.fsm.state)
- ]
-
- def exit(self, platform):
- if platform.vns is not None:
- self.la.export(platform.vns, "../test/la.csv")
-
-default_subtarget = UDPIPSoC
--- /dev/null
+import socket
+import time
+import threading
+
+FPGA_IP = "192.168.1.40"
+HOST_IP = "192.168.1.12"
+UDP_PORT = 5010
+MESSAGE = bytes("LiteEth UDP Loopback test", "utf-8")
+tx_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+rx_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+rx_sock.bind(("", UDP_PORT))
+
+def receive():
+ while True:
+ data, addr = rx_sock.recvfrom(1024)
+ print(data)
+
+def send():
+ while True:
+ tx_sock.sendto(MESSAGE, (FPGA_IP, UDP_PORT))
+ time.sleep(0.01)
+
+receive_thread = threading.Thread(target=receive, daemon=True)
+receive_thread.start()
+
+send_thread = threading.Thread(target=send, daemon=True)
+send_thread.start()
+
+while True:
+ time.sleep(1)
+++ /dev/null
-from config import *
-import time
-
-def convert_ip(s):
- ip = 0
- for e in s.split("."):
- ip = ip << 8
- ip += int(e)
- return ip
-
-from litescope.host.driver import LiteScopeLADriver
-la = LiteScopeLADriver(wb.regs, "la", debug=True)
-
-wb.open()
-regs = wb.regs
-###
-#regs.ethphy_crg_reset.write(1)
-#regs.ethphy_crg_reset.write(0)
-#time.sleep(5)
-regs.bist_generator_src_port.write(0x1234)
-regs.bist_generator_dst_port.write(0x5678)
-regs.bist_generator_ip_address.write(convert_ip("192.168.1.10"))
-regs.bist_generator_length.write(64)
-
-conditions = {}
-#conditions = {
-# "udpipsocdevel_mac_tx_cdc_sink_stb" : 1
-#}
-conditions = {
- "udpipsocdevel_icmp_echo_sink_sink_stb" : 1
-}
-conditions = {
- "udpip_core_ip_rx_fsm_state" : 1
-}
-la.configure_term(port=0, cond=conditions)
-la.configure_sum("term")
-# Run Logic Analyzer
-la.run(offset=64, length=1024)
-
-#for i in range(64):
-# regs.bist_generator_start.write(1)
-
-while not la.done():
- pass
-
-la.upload()
-la.save("dump.vcd")
-
-###
-wb.close()