lwIP related work.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1173 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 159 insertions, 0 deletions

diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
new file mode 100644
index 000000000..8248eed72
--- /dev/null
+++ b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/arch/sys_arch.c
@@ -0,0 +1,159 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2007 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/>.

+*/

+/*

+    **** 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>

+

+#include "lwip/opt.h"

+#include "lwip/mem.h"

+#include "lwip/sys.h"

+

+#include "arch/cc.h"

+#include "arch/sys_arch.h"

+

+static unsigned cnt;

+

+void sys_init(void) {

+

+  cnt = 0;

+}

+

+sys_sem_t sys_sem_new(u8_t count) {

+

+  sys_sem_t sem = mem_malloc(sizeof(Semaphore));

+  chSemInit(sem, (cnt_t)count);

+  return sem;

+}

+

+void sys_sem_free(sys_sem_t sem) {

+

+  mem_free(sem);

+}

+

+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;

+

+  chSysLock();

+  time = chTimeNow();

+  chSemWaitTimeoutS(sem, (systime_t)timeout);

+  time = chTimeNow() - time;

+  chSysUnlock();

+  return time;

+}

+

+sys_mbox_t sys_mbox_new(int size) {

+  sys_mbox_t mbox;

+

+  mbox = mem_malloc(sizeof(Mailbox) + sizeof(msg_t) * size);

+  chMBInit(mbox, (void *)(mbox + 1), size);

+  return mbox;

+}

+

+void sys_mbox_free(sys_mbox_t mbox) {

+

+  mem_free(mbox);

+}

+

+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)

+    return ERR_MEM;

+  return ERR_OK;

+}

+

+u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout) {

+

+  if (chMBFetchS(mbox, (msg_t *)msg, (systime_t)timeout) == RDY_TIMEOUT)

+    return ERR_MEM;

+  return ERR_OK;

+}

+

+u32_t sys_arch_mbox_tryfetch(sys_mbox_t mbox, void **msg) {

+

+  if (chMBFetchS(mbox, (msg_t *)msg, TIME_IMMEDIATE) == RDY_TIMEOUT)

+    return ERR_MEM;

+  return ERR_OK;

+}

+

+struct sys_timeouts *sys_arch_timeouts(void) {

+

+  return (struct sys_timeouts *)&currp->p_timeouts;

+}

+

+sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg),

+                            void *arg, int stacksize, int prio) {

+  size_t wsz = THD_WA_SIZE(stacksize);

+  void *wsp = mem_malloc(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) {

+

+  chSysUnlock();

+}