LwIP
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Outline
#define LWIP_HDR_TCPIP_H
#include "lwip/opt.h"
#include "lwip/err.h"
#include "lwip/timeouts.h"
#include "lwip/netif.h"
lock_tcpip_core;
#define LOCK_TCPIP_CORE
#define UNLOCK_TCPIP_CORE
#define LOCK_TCPIP_CORE
#define UNLOCK_TCPIP_CORE
pbuf
netif
tcpip_callback_msg
tcpip_init(tcpip_init_done_fn, void *);
tcpip_inpkt(struct pbuf *, struct netif *, netif_input_fn);
tcpip_input(struct pbuf *, struct netif *);
tcpip_try_callback(tcpip_callback_fn, void *);
tcpip_callback(tcpip_callback_fn, void *);
#define tcpip_callback_with_block
tcpip_callbackmsg_new(tcpip_callback_fn, void *);
tcpip_callbackmsg_delete(struct tcpip_callback_msg *);
tcpip_callbackmsg_trycallback(struct tcpip_callback_msg *);
tcpip_callbackmsg_trycallback_fromisr(struct tcpip_callback_msg *);
pbuf_free_callback(struct pbuf *);
mem_free_callback(void *);
Files
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SourceVuSTM32 Libraries and SamplesLwIPsrc/include/lwip/tcpip.h
 
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/** * @file * Functions to sync with TCPIP thread *//* ... */ /* * 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 LWIP_HDR_TCPIP_H #define LWIP_HDR_TCPIP_H #include "lwip/opt.h" #if !NO_SYS /* don't build if not configured for use in lwipopts.h */ #include "lwip/err.h" #include "lwip/timeouts.h" #include "lwip/netif.h" #ifdef __cplusplus extern "C" { #endif #if LWIP_TCPIP_CORE_LOCKING /** The global semaphore to lock the stack. */ extern sys_mutex_t lock_tcpip_core; #if !defined LOCK_TCPIP_CORE || defined __DOXYGEN__ /** Lock lwIP core mutex (needs @ref LWIP_TCPIP_CORE_LOCKING 1) */ #define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core) /** Unlock lwIP core mutex (needs @ref LWIP_TCPIP_CORE_LOCKING 1) */ #define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core) /* ... */#endif /* LOCK_TCPIP_CORE *//* ... */ #else /* LWIP_TCPIP_CORE_LOCKING */ #define LOCK_TCPIP_CORE() #define UNLOCK_TCPIP_CORE() /* ... */#endif /* LWIP_TCPIP_CORE_LOCKING */ struct pbuf; struct netif; /** Function prototype for the init_done function passed to tcpip_init */ typedef void (*tcpip_init_done_fn)(void *arg); /** Function prototype for functions passed to tcpip_callback() */ typedef void (*tcpip_callback_fn)(void *ctx); /* Forward declarations */ struct tcpip_callback_msg; void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg); err_t tcpip_inpkt(struct pbuf *p, struct netif *inp, netif_input_fn input_fn); err_t tcpip_input(struct pbuf *p, struct netif *inp); err_t tcpip_try_callback(tcpip_callback_fn function, void *ctx); err_t tcpip_callback(tcpip_callback_fn function, void *ctx); /** @ingroup lwip_os * @deprecated use tcpip_try_callback() or tcpip_callback() instead *//* ... */ #define tcpip_callback_with_block(function, ctx, block) ((block != 0)? tcpip_callback(function, ctx) : tcpip_try_callback(function, ctx)) struct tcpip_callback_msg* tcpip_callbackmsg_new(tcpip_callback_fn function, void *ctx); void tcpip_callbackmsg_delete(struct tcpip_callback_msg* msg); err_t tcpip_callbackmsg_trycallback(struct tcpip_callback_msg* msg); err_t tcpip_callbackmsg_trycallback_fromisr(struct tcpip_callback_msg* msg); /* free pbufs or heap memory from another context without blocking */ err_t pbuf_free_callback(struct pbuf *p); err_t mem_free_callback(void *m); #if LWIP_TCPIP_TIMEOUT && LWIP_TIMERS err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg); err_t tcpip_untimeout(sys_timeout_handler h, void *arg);/* ... */ #endif /* LWIP_TCPIP_TIMEOUT && LWIP_TIMERS */ #ifdef TCPIP_THREAD_TEST int tcpip_thread_poll_one(void); #endif #ifdef __cplusplus }extern "C" { ... } #endif /* ... */ #endif /* !NO_SYS */ /* ... */ #endif /* LWIP_HDR_TCPIP_H */
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