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Fixed bug 3533887. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_2.4.x@4262 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2012-06-09 16:43:14 +00:00
parent 78d70f48b5
commit 5894ef3bf7
9 changed files with 977 additions and 0 deletions
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91
os/various/lwip_bindings/arch/cc.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/*
* **** This file incorporates work covered by the following copyright and ****
* **** permission notice: ****
*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __CC_H__
#define __CC_H__
#include <ch.h>
typedef uint8_t u8_t;
typedef int8_t s8_t;
typedef uint16_t u16_t;
typedef int16_t s16_t;
typedef uint32_t u32_t;
typedef int32_t s32_t;
typedef uint32_t mem_ptr_t;
#define LWIP_PLATFORM_DIAG(x)
#define LWIP_PLATFORM_ASSERT(x) { \
chSysHalt(); \
}
#define BYTE_ORDER LITTLE_ENDIAN
#define LWIP_PROVIDE_ERRNO
#define PACK_STRUCT_BEGIN
#ifdef PACK_STRUCT_STRUCT
#undef PACK_STRUCT_STRUCT
#endif
#define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(x) x
#endif /* __CC_H__ */

68
os/various/lwip_bindings/arch/perf.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/*
* **** This file incorporates work covered by the following copyright and ****
* **** permission notice: ****
*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __PERF_H__
#define __PERF_H__
#define PERF_START
#define PERF_STOP(x)
#endif /* __PERF_H__ */

222
os/various/lwip_bindings/arch/sys_arch.c Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/*
* **** This file incorporates work covered by the following copyright and ****
* **** permission notice: ****
*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
// see http://lwip.wikia.com/wiki/Porting_for_an_OS for instructions
#include "ch.h"
#include "lwip/opt.h"
#include "lwip/mem.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "arch/cc.h"
#include "arch/sys_arch.h"
void sys_init(void) {
}
err_t sys_sem_new(sys_sem_t *sem, u8_t count) {
*sem = chHeapAlloc(NULL, sizeof(Semaphore));
if (*sem == 0) {
SYS_STATS_INC(sem.err);
return ERR_MEM;
}
else {
chSemInit(*sem, (cnt_t)count);
SYS_STATS_INC(sem.used);
return ERR_OK;
}
}
void sys_sem_free(sys_sem_t *sem) {
chHeapFree(*sem);
*sem = SYS_SEM_NULL;
SYS_STATS_DEC(sem.used);
}
void sys_sem_signal(sys_sem_t *sem) {
chSemSignal(*sem);
}
u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout) {
systime_t time, tmo;
chSysLock();
tmo = timeout > 0 ? (systime_t)timeout : TIME_INFINITE;
time = chTimeNow();
if (chSemWaitTimeoutS(*sem, tmo) != RDY_OK)
time = SYS_ARCH_TIMEOUT;
else
time = chTimeNow() - time;
chSysUnlock();
return time;
}
int sys_sem_valid(sys_sem_t *sem) {
return *sem != SYS_SEM_NULL;
}
// typically called within lwIP after freeing a semaphore
// to make sure the pointer is not left pointing to invalid data
void sys_sem_set_invalid(sys_sem_t *sem) {
*sem = SYS_SEM_NULL;
}
err_t sys_mbox_new(sys_mbox_t *mbox, int size) {
*mbox = chHeapAlloc(NULL, sizeof(Mailbox) + sizeof(msg_t) * size);
if (*mbox == 0) {
SYS_STATS_INC(mbox.err);
return ERR_MEM;
}
else {
chMBInit(*mbox, (void *)(((uint8_t *)*mbox) + sizeof(Mailbox)), size);
SYS_STATS_INC(mbox.used);
return ERR_OK;
}
}
void sys_mbox_free(sys_mbox_t *mbox) {
if (chMBGetUsedCountI(*mbox) != 0) {
// If there are messages still present in the mailbox when the mailbox
// is deallocated, it is an indication of a programming error in lwIP
// and the developer should be notified.
SYS_STATS_INC(mbox.err);
chMBReset(*mbox);
}
chHeapFree(*mbox);
*mbox = SYS_MBOX_NULL;
SYS_STATS_DEC(mbox.used);
}
void sys_mbox_post(sys_mbox_t *mbox, void *msg) {
chMBPost(*mbox, (msg_t)msg, TIME_INFINITE);
}
err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) {
if (chMBPost(*mbox, (msg_t)msg, TIME_IMMEDIATE) == RDY_TIMEOUT) {
SYS_STATS_INC(mbox.err);
return ERR_MEM;
}
return ERR_OK;
}
u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout) {
systime_t time, tmo;
chSysLock();
tmo = timeout > 0 ? (systime_t)timeout : TIME_INFINITE;
time = chTimeNow();
if (chMBFetchS(*mbox, (msg_t *)msg, tmo) != RDY_OK)
time = SYS_ARCH_TIMEOUT;
else
time = chTimeNow() - time;
chSysUnlock();
return time;
}
u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg) {
if (chMBFetch(*mbox, (msg_t *)msg, TIME_IMMEDIATE) == RDY_TIMEOUT)
return SYS_MBOX_EMPTY;
return 0;
}
int sys_mbox_valid(sys_mbox_t *mbox) {
return *mbox != SYS_MBOX_NULL;
}
// typically called within lwIP after freeing an mbox
// to make sure the pointer is not left pointing to invalid data
void sys_mbox_set_invalid(sys_mbox_t *mbox) {
*mbox = SYS_MBOX_NULL;
}
sys_thread_t sys_thread_new(const char *name, lwip_thread_fn thread,
void *arg, int stacksize, int prio) {
chRegSetThreadName(name);
size_t wsz = THD_WA_SIZE(stacksize);
void *wsp = chCoreAlloc(wsz);
if (wsp == NULL)
return NULL;
return (sys_thread_t)chThdCreateStatic(wsp, wsz, prio, (tfunc_t)thread, arg);
}
sys_prot_t sys_arch_protect(void) {
chSysLock();
return 0;
}
void sys_arch_unprotect(sys_prot_t pval) {
(void)pval;
chSysUnlock();
}

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os/various/lwip_bindings/arch/sys_arch.h Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/*
* **** This file incorporates work covered by the following copyright and ****
* **** permission notice: ****
*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include <ch.h>
#ifndef __SYS_ARCH_H__
#define __SYS_ARCH_H__
typedef Semaphore * sys_sem_t;
typedef Mailbox * sys_mbox_t;
typedef Thread * sys_thread_t;
typedef int sys_prot_t;
#define SYS_MBOX_NULL (Mailbox *)0
#define SYS_THREAD_NULL (Thread *)0
#define SYS_SEM_NULL (Semaphore *)0
/* let sys.h use binary semaphores for mutexes */
#define LWIP_COMPAT_MUTEX 1
#endif /* __SYS_ARCH_H__ */

54
os/various/lwip_bindings/lwip.mk Normal file
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# List of the required lwIP files.
LWIP = ${CHIBIOS}/ext/lwip-1.4.0
LWBINDSRC = \
$(CHIBIOS)/os/various/lwip_bindings/lwipthread.c \
$(CHIBIOS)/os/various/lwip_bindings/arch/sys_arch.c
LWNETIFSRC = \
${LWIP}/src/netif/etharp.c
LWCORESRC = \
${LWIP}/src/core/dhcp.c \
${LWIP}/src/core/dns.c \
${LWIP}/src/core/init.c \
${LWIP}/src/core/mem.c \
${LWIP}/src/core/memp.c \
${LWIP}/src/core/netif.c \
${LWIP}/src/core/pbuf.c \
${LWIP}/src/core/raw.c \
${LWIP}/src/core/stats.c \
${LWIP}/src/core/sys.c \
${LWIP}/src/core/tcp.c \
${LWIP}/src/core/tcp_in.c \
${LWIP}/src/core/tcp_out.c \
${LWIP}/src/core/udp.c
LWIPV4SRC = \
${LWIP}/src/core/ipv4/autoip.c \
${LWIP}/src/core/ipv4/icmp.c \
${LWIP}/src/core/ipv4/igmp.c \
${LWIP}/src/core/ipv4/inet.c \
${LWIP}/src/core/ipv4/inet_chksum.c \
${LWIP}/src/core/ipv4/ip.c \
${LWIP}/src/core/ipv4/ip_addr.c \
${LWIP}/src/core/ipv4/ip_frag.c \
${LWIP}/src/core/def.c \
${LWIP}/src/core/timers.c
LWAPISRC = \
${LWIP}/src/api/api_lib.c \
${LWIP}/src/api/api_msg.c \
${LWIP}/src/api/err.c \
${LWIP}/src/api/netbuf.c \
${LWIP}/src/api/netdb.c \
${LWIP}/src/api/netifapi.c \
${LWIP}/src/api/sockets.c \
${LWIP}/src/api/tcpip.c
LWSRC = $(LWBINDSRC) $(LWNETIFSRC) $(LWCORESRC) $(LWIPV4SRC) $(LWAPISRC)
LWINC = \
$(CHIBIOS)/os/various/lwip_bindings \
${LWIP}/src/include \
${LWIP}/src/include/ipv4

320
os/various/lwip_bindings/lwipthread.c Normal file
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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/*
* **** This file incorporates work covered by the following copyright and ****
* **** permission notice: ****
*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
/**
* @file lwipthread.c
* @brief LWIP wrapper thread code.
* @addtogroup LWIP_THREAD
* @{
*/
#include "ch.h"
#include "hal.h"
#include "evtimer.h"
#include "lwip/opt.h"
#include "lwip/def.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/sys.h"
#include <lwip/stats.h>
#include <lwip/snmp.h>
#include <lwip/tcpip.h>
#include "netif/etharp.h"
#include "netif/ppp_oe.h"
#include "lwipthread.h"
#define PERIODIC_TIMER_ID 1
#define FRAME_RECEIVED_ID 2
/**
* Stack area for the LWIP-MAC thread.
*/
WORKING_AREA(wa_lwip_thread, LWIP_THREAD_STACK_SIZE);
/*
* Initialization.
*/
static void low_level_init(struct netif *netif) {
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an Ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Do whatever else is needed to initialize interface. */
}
/*
* Transmits a frame.
*/
static err_t low_level_output(struct netif *netif, struct pbuf *p) {
struct pbuf *q;
MACTransmitDescriptor td;
(void)netif;
if (macWaitTransmitDescriptor(&ETHD1, &td, MS2ST(LWIP_SEND_TIMEOUT)) != RDY_OK)
return ERR_TIMEOUT;
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
#endif
/* Iterates through the pbuf chain. */
for(q = p; q != NULL; q = q->next)
macWriteTransmitDescriptor(&td, (uint8_t *)q->payload, (size_t)q->len);
macReleaseTransmitDescriptor(&td);
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
LINK_STATS_INC(link.xmit);
return ERR_OK;
}
/*
* Receives a frame.
*/
static struct pbuf *low_level_input(struct netif *netif) {
MACReceiveDescriptor rd;
struct pbuf *p, *q;
u16_t len;
(void)netif;
if (macWaitReceiveDescriptor(&ETHD1, &rd, TIME_IMMEDIATE) == RDY_OK) {
len = (u16_t)rd.size;
#if ETH_PAD_SIZE
len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
#endif
/* We allocate a pbuf chain of pbufs from the pool. */
p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
if (p != NULL) {
#if ETH_PAD_SIZE
pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
#endif
/* Iterates through the pbuf chain. */
for(q = p; q != NULL; q = q->next)
macReadReceiveDescriptor(&rd, (uint8_t *)q->payload, (size_t)q->len);
macReleaseReceiveDescriptor(&rd);
#if ETH_PAD_SIZE
pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endif
LINK_STATS_INC(link.recv);
}
else {
macReleaseReceiveDescriptor(&rd);
LINK_STATS_INC(link.memerr);
LINK_STATS_INC(link.drop);
}
return p;
}
return NULL;
}
/*
* Initialization.
*/
static err_t ethernetif_init(struct netif *netif) {
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
netif->hostname = "lwip";
#endif /* LWIP_NETIF_HOSTNAME */
/*
* Initialize the snmp variables and counters inside the struct netif.
* The last argument should be replaced with your link speed, in units
* of bits per second.
*/
NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LWIP_LINK_SPEED);
netif->state = NULL;
netif->name[0] = LWIP_IFNAME0;
netif->name[1] = LWIP_IFNAME1;
/* We directly use etharp_output() here to save a function call.
* You can instead declare your own function an call etharp_output()
* from it if you have to do some checks before sending (e.g. if link
* is available...) */
netif->output = etharp_output;
netif->linkoutput = low_level_output;
/* initialize the hardware */
low_level_init(netif);
return ERR_OK;
}
/**
* @brief LWIP handling thread.
*
* @param[in] p pointer to a @p lwipthread_opts structure or @p NULL
* @return The function does not return.
*/
msg_t lwip_thread(void *p) {
EvTimer evt;
EventListener el0, el1;
struct ip_addr ip, gateway, netmask;
static struct netif thisif;
static const MACConfig mac_config = {thisif.hwaddr};
chRegSetThreadName("lwipthread");
/* Initializes the thing.*/
sys_init();
mem_init();
memp_init();
pbuf_init();
netif_init();
ip_init();
tcpip_init(NULL, NULL);
/* TCP/IP parameters, runtime or compile time.*/
if (p) {
struct lwipthread_opts *opts = p;
unsigned i;
for (i = 0; i < 6; i++)
thisif.hwaddr[i] = opts->macaddress[i];
ip.addr = opts->address;
gateway.addr = opts->gateway;
netmask.addr = opts->netmask;
}
else {
thisif.hwaddr[0] = LWIP_ETHADDR_0;
thisif.hwaddr[1] = LWIP_ETHADDR_1;
thisif.hwaddr[2] = LWIP_ETHADDR_2;
thisif.hwaddr[3] = LWIP_ETHADDR_3;
thisif.hwaddr[4] = LWIP_ETHADDR_4;
thisif.hwaddr[5] = LWIP_ETHADDR_5;
LWIP_IPADDR(&ip);
LWIP_GATEWAY(&gateway);
LWIP_NETMASK(&netmask);
}
macStart(&ETHD1, &mac_config);
netif_add(&thisif, &ip, &netmask, &gateway, NULL, ethernetif_init, tcpip_input);
netif_set_default(&thisif);
netif_set_up(&thisif);
/* Setup event sources.*/
evtInit(&evt, S2ST(5));
evtStart(&evt);
chEvtRegisterMask(&evt.et_es, &el0, PERIODIC_TIMER_ID);
chEvtRegisterMask(macGetReceiveEventSource(&ETHD1), &el1, FRAME_RECEIVED_ID);
chEvtAddFlags(PERIODIC_TIMER_ID | FRAME_RECEIVED_ID);
/* Goes to the final priority after initialization.*/
chThdSetPriority(LWIP_THREAD_PRIORITY);
while (TRUE) {
eventmask_t mask = chEvtWaitAny(ALL_EVENTS);
if (mask & PERIODIC_TIMER_ID) {
bool_t current_link_status = macPollLinkStatus(&ETHD1);
if (current_link_status != netif_is_link_up(&thisif)) {
if (current_link_status)
tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_up,
&thisif, 0);
else
tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_down,
&thisif, 0);
}
}
if (mask & FRAME_RECEIVED_ID) {
struct pbuf *p;
while ((p = low_level_input(&thisif)) != NULL) {
struct eth_hdr *ethhdr = p->payload;
switch (htons(ethhdr->type)) {
/* IP or ARP packet? */
case ETHTYPE_IP:
case ETHTYPE_ARP:
#if PPPOE_SUPPORT
/* PPPoE packet? */
case ETHTYPE_PPPOEDISC:
case ETHTYPE_PPPOE:
#endif /* PPPOE_SUPPORT */
/* full packet send to tcpip_thread to process */
if (thisif.input(p, &thisif) == ERR_OK)
break;
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
default:
pbuf_free(p);
}
}
}
}
return 0;
}
/** @} */

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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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/>.
---
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes ChibiOS/RT, without being obliged to provide
the source code for any proprietary components. See the file exception.txt
for full details of how and when the exception can be applied.
*/
/**
* @file lwipthread.h
* @brief LWIP wrapper thread macros and structures.
* @addtogroup LWIP_THREAD
* @{
*/
#ifndef _LWIPTHREAD_H_
#define _LWIPTHREAD_H_
/** @brief MAC thread priority.*/
#ifndef LWIP_THREAD_PRIORITY
#define LWIP_THREAD_PRIORITY LOWPRIO
#endif
/** @brief IP Address. */
#if !defined(LWIP_IPADDR) || defined(__DOXYGEN__)
#define LWIP_IPADDR(p) IP4_ADDR(p, 192, 168, 1, 20)
#endif
/** @brief IP Gateway. */
#if !defined(LWIP_GATEWAY) || defined(__DOXYGEN__)
#define LWIP_GATEWAY(p) IP4_ADDR(p, 192, 168, 1, 1)
#endif
/** @brief IP netmask. */
#if !defined(LWIP_NETMASK) || defined(__DOXYGEN__)
#define LWIP_NETMASK(p) IP4_ADDR(p, 255, 255, 255, 0)
#endif
/** @brief MAC thread stack size. */
#if !defined(LWIP_THREAD_STACK_SIZE) || defined(__DOXYGEN__)
#define LWIP_THREAD_STACK_SIZE 512
#endif
/** @brief Transmission timeout. */
#if !defined(LWIP_SEND_TIMEOUT) || defined(__DOXYGEN__)
#define LWIP_SEND_TIMEOUT 50
#endif
/** @brief Link speed. */
#if !defined(LWIP_LINK_SPEED) || defined(__DOXYGEN__)
#define LWIP_LINK_SPEED 100000000
#endif
/** @brief MAC Address byte 0. */
#if !defined(LWIP_ETHADDR_0) || defined(__DOXYGEN__)
#define LWIP_ETHADDR_0 0xC2
#endif
/** @brief MAC Address byte 1. */
#if !defined(LWIP_ETHADDR_1) || defined(__DOXYGEN__)
#define LWIP_ETHADDR_1 0xAF
#endif
/** @brief MAC Address byte 2. */
#if !defined(LWIP_ETHADDR_2) || defined(__DOXYGEN__)
#define LWIP_ETHADDR_2 0x51
#endif
/** @brief MAC Address byte 3. */
#if !defined(LWIP_ETHADDR_3) || defined(__DOXYGEN__)
#define LWIP_ETHADDR_3 0x03
#endif
/** @brief MAC Address byte 4. */
#if !defined(LWIP_ETHADDR_4) || defined(__DOXYGEN__)
#define LWIP_ETHADDR_4 0xCF
#endif
/** @brief MAC Address byte 5. */
#if !defined(LWIP_ETHADDR_5) || defined(__DOXYGEN__)
#define LWIP_ETHADDR_5 0x46
#endif
/** @brief Interface name byte 0. */
#if !defined(LWIP_IFNAME0) || defined(__DOXYGEN__)
#define LWIP_IFNAME0 'm'
#endif
/** @brief Interface name byte 1. */
#if !defined(LWIP_IFNAME1) || defined(__DOXYGEN__)
#define LWIP_IFNAME1 's'
#endif
/**
* @brief Runtime TCP/IP settings.
*/
struct lwipthread_opts {
uint8_t *macaddress;
uint32_t address;
uint32_t netmask;
uint32_t gateway;
};
extern WORKING_AREA(wa_lwip_thread, LWIP_THREAD_STACK_SIZE);
#ifdef __cplusplus
extern "C" {
#endif
msg_t lwip_thread(void *p);
#ifdef __cplusplus
}
#endif
#endif /* _LWIPTHREAD_H_ */
/** @} */

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This directory contains the ChibiOS/RT "official" bindings with the lwIP
TCP/IP stack: http://savannah.nongnu.org/projects/lwip
In order to use FatFS within ChibiOS/RT project, unzip FatFS under
./ext/lwip-1.4.0 then include $(CHIBIOS)/os/various/lwip_bindings/lwip.mk
in your makefile.

2
readme.txt
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@ -79,6 +79,8 @@
*****************************************************************************
*** 2.4.2 ***
- FIX: Fixed lwIP-related files missing from version 2.4.1 (bug 3533887).
- FIX: Fixed timeout related race condition in STM32 I2C driver (bug 3530043).
- FIX: Fixed wrong macro check in STM32 MAC driver (bug 3527179).
- FIX: Fixed error in STM32L-Discovery board.h file (bug 3526918).