liteeth/software: remove libwip/libuip examples.
libuip integration can be found in https://github.com/timvideos/HDMI2USB-litex-firmware/tree/master/firmware
This commit is contained in:
Florent Kermarrec
parent
2424e62bf9
commit
789dadd8bf
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@ -1,55 +0,0 @@
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include $(MSCDIR)/software/common.mak
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LWIPDIR=../lwip/src
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CFLAGS += $(CPPFLAGS) -I. \
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-I$(LWIPDIR)/include \
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-I$(LWIPDIR)/include/ipv4
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# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
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COREOBJS=$(LWIPDIR)/core/mem.o \
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$(LWIPDIR)/core/memp.o \
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$(LWIPDIR)/core/netif.o \
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$(LWIPDIR)/core/pbuf.o \
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$(LWIPDIR)/core/raw.o \
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$(LWIPDIR)/core/stats.o \
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$(LWIPDIR)/core/sys.o \
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$(LWIPDIR)/core/tcp.o \
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$(LWIPDIR)/core/tcp_in.o \
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$(LWIPDIR)/core/tcp_out.o \
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$(LWIPDIR)/core/udp.o \
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$(LWIPDIR)/core/dhcp.o \
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$(LWIPDIR)/core/inet_chksum.o \
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$(LWIPDIR)/core/timers.o \
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$(LWIPDIR)/core/init.o
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CORE4OBJS=$(LWIPDIR)/core/ipv4/icmp.o \
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$(LWIPDIR)/core/ipv4/ip4.o \
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$(LWIPDIR)/core/ipv4/ip4_addr.o \
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$(LWIPDIR)/core/ipv4/ip_frag.o
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# NETIFOBJS: Files implementing various generic network interface functions.
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NETIFOBJS=$(LWIPDIR)/netif/etharp.o \
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netif/liteethif.o
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# LWIPOBJS: All the above.
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LWIPOBJS=$(COREOBJS) $(CORE4OBJS) $(NETIFOBJS)
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OBJS_LIB+=$(LWIPOBJS)
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LWIPLIB=liblwip.a
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all: $(LWIPLIB)
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.PHONY: all compile clean
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%.o: %.c
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$(compile-dep)
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%.o: %.S
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$(assemble)
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clean:
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rm -f $(LWIPOBJS) $(LWIPOBJS:.o=.d) $(LWIPLIB)
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liblwip.a: $(LWIPOBJS)
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$(AR) clr liblwip.a $(LWIPOBJS)
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@ -1,60 +0,0 @@
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port
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// License: BSD
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#ifndef __ARCH_CC_H__
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#define __ARCH_CC_H__
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/* Include some files for defining library routines */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#define BYTE_ORDER BIG_ENDIAN
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/* Define generic types */
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typedef unsigned char u8_t;
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typedef signed char s8_t;
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typedef unsigned short u16_t;
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typedef signed short s16_t;
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typedef unsigned long u32_t;
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typedef signed long s32_t;
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typedef u32_t mem_ptr_t;
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/* Define (sn)printf formatters for these types */
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#define U8_F "c"
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#define S8_F "c"
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#define X8_F "x"
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#define U16_F "u"
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#define S16_F "d"
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#define X16_F "x"
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#define U32_F "u"
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#define S32_F "d"
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#define X32_F "x"
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/* Compiler hints for packing structures */
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#define PACK_STRUCT_FIELD(x) x
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#define PACK_STRUCT_STRUCT __attribute__((packed))
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#define PACK_STRUCT_BEGIN
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#define PACK_STRUCT_END
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/* prototypes for printf() and abort() */
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#include <stdio.h>
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#include <stdlib.h>
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#include "console.h"
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#define pp_printf printf
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/* Definitions for ASSERT/DIAG */
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#ifdef LWIP_NOASSERT
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#define LWIP_PLATFORM_ASSERT(x)
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#else
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#define LWIP_PLATFORM_ASSERT(x) do {pp_printf("Assertion \"%s\" failed at line %d in %s\n", \
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x, __LINE__, __FILE__); } while(0)
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#endif
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#ifdef LWIP_DEBUG
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#define LWIP_PLATFORM_DIAG(x) do {pp_printf x;} while(0)
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#endif
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#endif /* __ARCH_CC_H__ */
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@ -1,11 +0,0 @@
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port
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// License: BSD
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#ifndef __ARCH_PERF_H__
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#define __ARCH_PERF_H__
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#define PERF_START /* null definition */
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#define PERF_STOP(x) /* null definition */
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#endif /* __ARCH_PERF_H__ */
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@ -1,20 +0,0 @@
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port
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// License: BSD
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#ifndef __ARCH_SYS_ARCH_H__
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#define __ARCH_SYS_ARCH_H__
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#define SYS_MBOX_NULL NULL
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#define SYS_SEM_NULL NULL
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typedef void * sys_prot_t;
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typedef void * sys_sem_t;
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typedef void * sys_mbox_t;
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typedef void * sys_thread_t;
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#endif /* __ARCH_SYS_ARCH_H__ */
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@ -1,184 +0,0 @@
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/*
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* Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIPOPTS_H__
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#define __LWIPOPTS_H__
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#define NO_SYS 1
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#define LWIP_NETCONN 0
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#define LWIP_SOCKET 0
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#define LWIP_IPV6 0
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#define LWIP_CALLBACK_API 1
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/* -------- TCP Timer Intervals ------- */
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#define TCP_TMR_INTERVAL 1 /* The TCP timer interval in
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milliseconds. */
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#define TCP_FAST_INTERVAL 2 /* the fine grained timeout in
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milliseconds */
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#define TCP_SLOW_INTERVAL 5 /* the coarse grained timeout in
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milliseconds */
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/* ---------- Memory options ---------- */
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/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
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lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
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byte alignment -> define MEM_ALIGNMENT to 2. */
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#define MEM_ALIGNMENT 4
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/* MEM_SIZE: the size of the heap memory. If the application will send
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a lot of data that needs to be copied, this should be set high. */
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#define MEM_SIZE 32 * 1024
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/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
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sends a lot of data out of ROM (or other static memory), this
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should be set high. */
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#define MEMP_NUM_PBUF 64
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/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
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per active UDP "connection". */
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#define MEMP_NUM_UDP_PCB 2
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/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
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connections. */
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#define MEMP_NUM_TCP_PCB 8
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/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
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connections. */
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#define MEMP_NUM_TCP_PCB_LISTEN 16
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/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
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segments. */
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#define MEMP_NUM_TCP_SEG 255
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/* The following four are used only with the sequential API and can be
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set to 0 if the application only will use the raw API. */
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/* MEMP_NUM_NETBUF: the number of struct netbufs. */
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#define MEMP_NUM_NETBUF 0
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/* MEMP_NUM_NETCONN: the number of struct netconns. */
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#define MEMP_NUM_NETCONN 0
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/* MEMP_NUM_TCPIP_MSG: the number of struct tcpip_msg, which is used
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for sequential API communication and incoming packets. Used in
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src/api/tcpip.c. */
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#define MEMP_NUM_TCPIP_MSG_API 0
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#define MEMP_NUM_TCPIP_MSG_INPKT 0
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/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
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timeouts. */
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#define MEMP_NUM_SYS_TIMEOUT 5
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/* ---------- Pbuf options ---------- */
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/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
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#define PBUF_POOL_SIZE 512
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/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
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#define PBUF_POOL_BUFSIZE 1536
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/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
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link level header. */
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#define PBUF_LINK_HLEN 16
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/* ---------- TCP options ---------- */
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#define LWIP_TCP 1
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#define LWIP_TCP_KEEPALIVE 1
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#define TCP_KEEPIDLE_DEFAULT 1250
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#define TCP_KEEPINTVL_DEFAULT 1000
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#define TCP_KEEPCNT_DEFAULT 3
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#define TCP_TTL 255
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/* Controls if TCP should queue segments that arrive out of
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order. Define to 0 if your device is low on memory. */
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#define TCP_QUEUE_OOSEQ 1
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/* TCP Maximum segment size. */
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#define TCP_MSS 1476
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/* TCP sender buffer space (bytes). */
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#define TCP_SND_BUF 32 * 1024
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/* TCP sender buffer space (pbufs). */
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#define TCP_SND_QUEUELEN 3 * TCP_SND_BUF/TCP_MSS
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/* TCP receive window. */
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#define TCP_WND 16 * 1024
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/* Maximum number of retransmissions of data segments. */
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#define TCP_MAXRTX 12
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/* Maximum number of retransmissions of SYN segments. */
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#define TCP_SYNMAXRTX 4
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/* ---------- ARP options ---------- */
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#define ARP_TABLE_SIZE 10
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#define ARP_QUEUEING 1
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/* ---------- IP options ---------- */
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/* Define IP_FORWARD to 1 if you wish to have the ability to forward
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IP packets across network interfaces. If you are going to run lwIP
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on a device with only one network interface, define this to 0. */
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#define IP_FORWARD 0
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/* If defined to 1, IP options are allowed (but not parsed). If
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defined to 0, all packets with IP options are dropped. */
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#define IP_OPTIONS 1
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/* ---------- ICMP options ---------- */
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#define ICMP_TTL 255
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/* ---------- DHCP options ---------- */
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/* Define LWIP_DHCP to 1 if you want DHCP configuration of
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interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
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turning this on does currently not work. */
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#define LWIP_DHCP 0
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/* 1 if you want to do an ARP check on the offered address
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(recommended). */
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#define DHCP_DOES_ARP_CHECK 0
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/* ---------- UDP options ---------- */
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#define LWIP_UDP 1
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#define UDP_TTL 255
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/* ---------- Statistics options ---------- */
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/*#define STATS*/
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#ifdef STATS
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#define LINK_STATS
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#define IP_STATS
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#define ICMP_STATS
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#define UDP_STATS
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#define TCP_STATS
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#define MEM_STATS
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#define MEMP_STATS
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#define PBUF_STATS
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#define SYS_STATS
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#endif /* STATS */
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#endif /* __LWIPOPTS_H__ */
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@ -1,148 +0,0 @@
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port
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// License: BSD
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#include <generated/csr.h>
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#include <generated/mem.h>
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#ifdef CSR_ETHMAC_BASE
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#include <lwip/opt.h>
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#include <lwip/mem.h>
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#include <netif/etharp.h>
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#include "netif/liteethif.h"
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#include <hw/flags.h>
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#define ETHMAC_RX0_BASE ETHMAC_BASE
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#define ETHMAC_RX1_BASE (ETHMAC_BASE+0x0800)
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#define ETHMAC_TX0_BASE (ETHMAC_BASE+0x1000)
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#define ETHMAC_TX1_BASE (ETHMAC_BASE+0x1800)
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static unsigned int rxslot;
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static unsigned int rxlen;
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static char *rxbuffer;
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static char *rxbuffer0;
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static char *rxbuffer1;
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static unsigned int txslot;
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static unsigned int txlen;
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static char *txbuffer;
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static char *txbuffer0;
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static char *txbuffer1;
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#define IFNAME0 'e'
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#define IFNAME1 't'
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static void liteeth_low_level_init(struct netif *netif)
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{
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int i;
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netif->hwaddr_len = 6;
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for(i=0;i<netif->hwaddr_len;i++)
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netif->hwaddr[i] = macadr[i];
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netif->mtu = 1514;
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netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
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ethmac_sram_reader_ev_pending_write(ETHMAC_EV_SRAM_READER);
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ethmac_sram_writer_ev_pending_write(ETHMAC_EV_SRAM_WRITER);
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rxbuffer0 = (char *)ETHMAC_RX0_BASE;
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rxbuffer1 = (char *)ETHMAC_RX1_BASE;
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txbuffer0 = (char *)ETHMAC_TX0_BASE;
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txbuffer1 = (char *)ETHMAC_TX1_BASE;
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rxslot = 0;
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txslot = 0;
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rxbuffer = rxbuffer0;
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txbuffer = txbuffer0;
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}
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static err_t liteeth_low_level_output(struct netif *netif, struct pbuf *p)
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{
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struct pbuf *q;
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txlen = 0;
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q = p;
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while(q) {
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memcpy(txbuffer, q->payload, q->len);
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txbuffer += q->len;
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txlen += q->len;
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if(q->tot_len != q->len)
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q = q->next;
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else
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q = NULL;
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}
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ethmac_sram_reader_slot_write(txslot);
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ethmac_sram_reader_length_write(txlen);
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while(!ethmac_sram_reader_ready_read());
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ethmac_sram_reader_start_write(1);
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txslot = (txslot + 1) % 2;
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if(txslot)
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txbuffer = txbuffer1;
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else
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txbuffer = txbuffer0;
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return ERR_OK;
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}
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static struct pbuf *liteeth_low_level_input(struct netif *netif)
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{
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struct pbuf *p, *q;
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rxslot = ethmac_sram_writer_slot_read();
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rxlen = ethmac_sram_writer_length_read();
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if(rxslot)
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rxbuffer = rxbuffer1;
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else
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rxbuffer = rxbuffer0;
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p = pbuf_alloc(PBUF_RAW, rxlen, PBUF_POOL);
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q = p;
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while(q) {
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memcpy(q->payload, rxbuffer, q->len);
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rxbuffer += q->len;
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if(q->tot_len != q->len)
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q = q->next;
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else
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q = NULL;
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}
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return p;
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}
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void liteeth_input(struct netif *netif)
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{
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struct pbuf *p;
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p = liteeth_low_level_input(netif);
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if(p != NULL)
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netif->input(p, netif);
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}
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err_t liteeth_init(struct netif *netif)
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{
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struct liteethif *liteethif;
|
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|
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liteethif = mem_malloc(sizeof(struct liteethif));
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if(liteethif == NULL)
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return ERR_MEM;
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netif->state = liteethif;
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netif->hwaddr_len = 6;
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netif->name[0] = IFNAME0;
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netif->name[1] = IFNAME1;
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netif->output = etharp_output;
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netif->linkoutput = liteeth_low_level_output;
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netif->mtu = 1514;
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|
||||
liteethif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
|
||||
|
||||
liteeth_low_level_init(netif);
|
||||
|
||||
return ERR_OK;
|
||||
}
|
||||
|
||||
#endif /* CSR_ETHMAC_BASE */
|
||||
|
|
@ -1,17 +0,0 @@
|
|||
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
|
||||
// LiteETH lwIP port
|
||||
// License: BSD
|
||||
|
||||
#ifndef __LITEETHIF_H__
|
||||
#define __LITEETHIF_H__
|
||||
|
||||
extern unsigned char macadr[];
|
||||
|
||||
struct liteethif {
|
||||
struct eth_addr *ethaddr;
|
||||
};
|
||||
|
||||
void liteeth_input(struct netif *netif);
|
||||
err_t liteeth_init(struct netif *netif);
|
||||
|
||||
#endif /* __LITEETH_IF_H__ */
|
||||
|
|
@ -1,76 +0,0 @@
|
|||
# XXX remove this
|
||||
MSCDIR=../../../../misoc
|
||||
include $(MSCDIR)/software/common.mak
|
||||
|
||||
UIPDIR=../uip
|
||||
LIBUIPDIR=../libuip
|
||||
|
||||
CFLAGS += $(CPPFLAGS) -I. \
|
||||
-I$(UIPDIR) \
|
||||
-I$(UIPDIR)/net \
|
||||
-I$(UIPDIR)/net\ip \
|
||||
-I$(UIPDIR)/net\ipv4 \
|
||||
-Wno-char-subscripts \
|
||||
-fno-strict-aliasing -fpack-struct
|
||||
|
||||
#See here for-fno-strict-aliasing -fpack-struct:
|
||||
#http://sourceforge.net/p/contiki/mailman/message/28002063/
|
||||
|
||||
CCDEP=$(CC)
|
||||
|
||||
UIPCOREOBJS=$(UIPDIR)/net/ip/dhcpc.o \
|
||||
$(UIPDIR)/net/ip/psock.o \
|
||||
$(UIPDIR)/net/ip/resolv.o \
|
||||
$(UIPDIR)/net/ip/simple-udp.o \
|
||||
$(UIPDIR)/net/ip/slipdev.o \
|
||||
$(UIPDIR)/net/ip/tcpip.o \
|
||||
$(UIPDIR)/net/ip/tcp-socket.o \
|
||||
$(UIPDIR)/net/ip/udp-socket.o \
|
||||
$(UIPDIR)/net/ip/uip-debug.o \
|
||||
$(UIPDIR)/net/ip/uiplib.o \
|
||||
$(UIPDIR)/net/ip/uip-packetqueue.o \
|
||||
$(UIPDIR)/net/ip/uip-split.o \
|
||||
$(UIPDIR)/net/ip/uip-udp-packet.o \
|
||||
$(UIPDIR)/net/ipv4/uaodv.o \
|
||||
$(UIPDIR)/net/ipv4/uaodv-rt.o \
|
||||
$(UIPDIR)/net/ipv4/uip.o \
|
||||
$(UIPDIR)/net/ipv4/uip_arp.o \
|
||||
$(UIPDIR)/net/ipv4/uip-fw.o \
|
||||
$(UIPDIR)/net/ipv4/uip-fw-drv.o \
|
||||
$(UIPDIR)/net/ipv4/uip-neighbor.o \
|
||||
$(UIPDIR)/net/ipv4/uip-over-mesh.o \
|
||||
$(UIPDIR)/net/linkaddr.o \
|
||||
$(UIPDIR)/net/nbr-table.o \
|
||||
$(UIPDIR)/net/netstack.o \
|
||||
$(UIPDIR)/net/packetbuf.o \
|
||||
$(UIPDIR)/net/queuebuf.o \
|
||||
$(UIPDIR)/sys/process.o \
|
||||
$(UIPDIR)/sys/etimer.o \
|
||||
$(UIPDIR)/sys/timer.o \
|
||||
$(UIPDIR)/lib/list.o
|
||||
|
||||
UIPARCHOBJS=clock-arch.o \
|
||||
rtimer-arch.o \
|
||||
liteethmac-drv.o
|
||||
|
||||
UIPOBJS=$(UIPCOREOBJS) $(UIPARCHOBJS)
|
||||
OBJS_LIB+=$(UIPOBJS)
|
||||
|
||||
UIPLIB=libuip.a
|
||||
|
||||
all: $(UIPLIB)
|
||||
|
||||
.PHONY: all compile clean
|
||||
|
||||
%.o: %.c
|
||||
$(compile-dep)
|
||||
|
||||
%.o: %.S
|
||||
$(assemble)
|
||||
|
||||
clean:
|
||||
rm -f $(UIPOBJS) $(UIPOBJS:.o=.d) libuip.a
|
||||
|
||||
libuip.a: $(UIPOBJS)
|
||||
$(AR) clr libuip.a $(UIPOBJS)
|
||||
$(RANLIB) libuip.a
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
|
||||
// License: BSD
|
||||
|
||||
#include "contiki-conf.h"
|
||||
#include "clock-arch.h"
|
||||
#include <generated/csr.h>
|
||||
|
||||
/*-----------------------------------------------------------------------------------*/
|
||||
void clock_init(void)
|
||||
{
|
||||
timer0_en_write(0);
|
||||
timer0_load_write(0xffffffff);
|
||||
timer0_reload_write(0xffffffff);
|
||||
timer0_en_write(1);
|
||||
}
|
||||
|
||||
/*---------------------------------------------------------------------------*/
|
||||
clock_time_t clock_time(void)
|
||||
{
|
||||
unsigned int freq;
|
||||
unsigned int prescaler;
|
||||
clock_time_t ticks;
|
||||
|
||||
freq = identifier_frequency_read();
|
||||
prescaler = freq/CLOCK_CONF_SECOND;
|
||||
timer0_update_value_write(1);
|
||||
ticks = (0xffffffff - timer0_value_read())/prescaler;
|
||||
return ticks;
|
||||
}
|
||||
|
|
@ -1,10 +0,0 @@
|
|||
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
|
||||
// License: BSD
|
||||
|
||||
#ifndef __CLOCK_ARCH_H__
|
||||
#define __CLOCK_ARCH_H__
|
||||
|
||||
void clock_init(void);
|
||||
clock_time_t clock_time(void);
|
||||
|
||||
#endif /* __CLOCK_ARCH_H__ */
|
||||
|
|
@ -1,38 +0,0 @@
|
|||
#ifndef CONTIKI_CONF_H__
|
||||
#define CONTIKI_CONF_H__
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#define CCIF
|
||||
#define CLIF
|
||||
|
||||
#define NETSTACK_CONF_WITH_IPV4 1
|
||||
#define WITH_ASCII 1
|
||||
|
||||
#define CLOCK_CONF_SECOND 128
|
||||
|
||||
typedef unsigned char u8_t;
|
||||
typedef unsigned short u16_t;
|
||||
typedef unsigned int u32_t;
|
||||
typedef char s8_t;
|
||||
typedef short s16_t;
|
||||
typedef int s32_t;
|
||||
|
||||
typedef unsigned int clock_time_t;
|
||||
typedef unsigned int uip_stats_t;
|
||||
|
||||
#ifndef BV
|
||||
#define BV(x) (1<<(x))
|
||||
#endif
|
||||
|
||||
/* uIP configuration */
|
||||
#define UIP_CONF_BYTE_ORDER UIP_BIG_ENDIAN
|
||||
#define UIP_CONF_LLH_LEN 14
|
||||
#define UIP_CONF_BROADCAST 1
|
||||
#define UIP_CONF_LOGGING 1
|
||||
#define UIP_CONF_BUFFER_SIZE 116
|
||||
|
||||
#define UIP_CONF_TCP_FORWARD 1
|
||||
|
||||
#endif /* CONTIKI_CONF_H__ */
|
||||
|
|
@ -1,95 +0,0 @@
|
|||
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
|
||||
// License: BSD
|
||||
|
||||
#include "net/ip/uip.h"
|
||||
#include "net/ip/uipopt.h"
|
||||
#include "liteethmac-drv.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <system.h>
|
||||
#include <hw/flags.h>
|
||||
#include <console.h>
|
||||
#include <generated/csr.h>
|
||||
#include <generated/mem.h>
|
||||
|
||||
#define ETHMAC_RX0_BASE ETHMAC_BASE
|
||||
#define ETHMAC_RX1_BASE (ETHMAC_BASE+0x0800)
|
||||
#define ETHMAC_TX0_BASE (ETHMAC_BASE+0x1000)
|
||||
#define ETHMAC_TX1_BASE (ETHMAC_BASE+0x1800)
|
||||
|
||||
#define MIN(a,b) (((a)<(b))?(a):(b))
|
||||
#define MAX(a,b) (((a)>(b))?(a):(b))
|
||||
|
||||
typedef union {
|
||||
unsigned char raw[1514];
|
||||
} ethernet_buffer;
|
||||
|
||||
static unsigned int rxslot;
|
||||
static unsigned int rxlen;
|
||||
static ethernet_buffer *rxbuffer;
|
||||
static ethernet_buffer *rxbuffer0;
|
||||
static ethernet_buffer *rxbuffer1;
|
||||
static unsigned int txslot;
|
||||
static unsigned int txlen;
|
||||
static ethernet_buffer *txbuffer;
|
||||
static ethernet_buffer *txbuffer0;
|
||||
static ethernet_buffer *txbuffer1;
|
||||
|
||||
void liteethmac_init(void)
|
||||
{
|
||||
ethmac_sram_reader_ev_pending_write(ETHMAC_EV_SRAM_READER);
|
||||
ethmac_sram_writer_ev_pending_write(ETHMAC_EV_SRAM_WRITER);
|
||||
|
||||
rxbuffer0 = (ethernet_buffer *)ETHMAC_RX0_BASE;
|
||||
rxbuffer1 = (ethernet_buffer *)ETHMAC_RX1_BASE;
|
||||
txbuffer0 = (ethernet_buffer *)ETHMAC_TX0_BASE;
|
||||
txbuffer1 = (ethernet_buffer *)ETHMAC_TX1_BASE;
|
||||
|
||||
rxslot = 0;
|
||||
txslot = 0;
|
||||
|
||||
rxbuffer = rxbuffer0;
|
||||
txbuffer = txbuffer0;
|
||||
}
|
||||
|
||||
uint16_t liteethmac_poll(void)
|
||||
{
|
||||
if(ethmac_sram_writer_ev_pending_read() & ETHMAC_EV_SRAM_WRITER) {
|
||||
rxslot = ethmac_sram_writer_slot_read();
|
||||
rxlen = ethmac_sram_writer_length_read();
|
||||
if (rxslot)
|
||||
rxbuffer = rxbuffer1;
|
||||
else
|
||||
rxbuffer = rxbuffer0;
|
||||
memcpy(uip_buf, rxbuffer, rxlen);
|
||||
uip_len = rxlen;
|
||||
ethmac_sram_writer_ev_pending_write(ETHMAC_EV_SRAM_WRITER);
|
||||
return rxlen;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void liteethmac_send(void)
|
||||
{
|
||||
txlen = uip_len;
|
||||
memset(txbuffer, 0, 60);
|
||||
txlen = MIN(txlen, 1514);
|
||||
memcpy(txbuffer, uip_buf, txlen);
|
||||
txlen = MAX(txlen, 60);
|
||||
ethmac_sram_reader_slot_write(txslot);
|
||||
ethmac_sram_reader_length_write(txlen);
|
||||
while(!(ethmac_sram_reader_ready_read()));
|
||||
ethmac_sram_reader_start_write(1);
|
||||
|
||||
txslot = (txslot+1)%2;
|
||||
if (txslot)
|
||||
txbuffer = txbuffer1;
|
||||
else
|
||||
txbuffer = txbuffer0;
|
||||
}
|
||||
|
||||
void liteethmac_exit(void)
|
||||
{
|
||||
}
|
||||
|
|
@ -1,11 +0,0 @@
|
|||
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
|
||||
// License: BSD
|
||||
#ifndef __LITEETHMAC_H__
|
||||
#define __LITEETHMAC_H__
|
||||
|
||||
void liteethmac_init(void);
|
||||
uint16_t liteethmac_poll(void);
|
||||
void liteethmac_send(void);
|
||||
void liteethmac_exit(void);
|
||||
|
||||
#endif /* __LITEETHMAC_H__ */
|
||||
|
|
@ -1,38 +0,0 @@
|
|||
#include "contiki.h"
|
||||
|
||||
#include <sys/rtimer.h>
|
||||
#include <sys/clock.h>
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#define RTIMER_DEBUG
|
||||
|
||||
void rtimer_callback(void)
|
||||
{
|
||||
#ifdef RTIMER_DEBUG
|
||||
printf("XXX rtimer_callback");
|
||||
#endif
|
||||
rtimer_run_next();
|
||||
}
|
||||
|
||||
void rtimer_arch_init(void)
|
||||
{
|
||||
#ifdef RTIMER_DEBUG
|
||||
printf("XXX rtimer_arch_init");
|
||||
#endif
|
||||
}
|
||||
|
||||
rtimer_clock_t rtimer_arch_now(void)
|
||||
{
|
||||
#ifdef RTIMER_DEBUG
|
||||
printf("XXX rtimer_arch_now");
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
void rtimer_arch_schedule(rtimer_clock_t t)
|
||||
{
|
||||
#ifdef RTIMER_DEBUG
|
||||
printf("XXX rtimer_arch_schedule");
|
||||
#endif
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
#ifndef RTIMER_ARCH_H_
|
||||
#define RTIMER_ARCH_H_
|
||||
|
||||
#include "contiki-conf.h"
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
void rtimer_callback(void);
|
||||
void rtimer_arch_init(void);
|
||||
rtimer_clock_t rtimer_arch_now(void);
|
||||
void rtimer_arch_schedule(rtimer_clock_t t);
|
||||
#define RTIMER_ARCH_SECOND 312500
|
||||
|
||||
#endif
|
||||
|
||||
/** @} */
|
||||
Loading…
Reference in New Issue