1.将A27新UI文件夹重命名为CANUI 2.A272O新版本发布
This commit is contained in:
622
MXC_A27-PCB4.5-CANUI/lib/lwip/src/arch/sys_arch.c
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622
MXC_A27-PCB4.5-CANUI/lib/lwip/src/arch/sys_arch.c
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/*
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* Copyright (c) 2017 Simon Goldschmidt
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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: Simon Goldschmidt <goldsimon@gmx.de>
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*
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*/
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/* lwIP includes. */
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#include "lwip/debug.h"
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#include "lwip/def.h"
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#include "lwip/sys.h"
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#include "lwip/mem.h"
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#include "lwip/stats.h"
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#include "FreeRTOS.h"
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#include "semphr.h"
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#include "task.h"
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/** Set this to 1 if you want the stack size passed to sys_thread_new() to be
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* interpreted as number of stack words (FreeRTOS-like).
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* Default is that they are interpreted as byte count (lwIP-like).
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*/
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#ifndef LWIP_FREERTOS_THREAD_STACKSIZE_IS_STACKWORDS
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#define LWIP_FREERTOS_THREAD_STACKSIZE_IS_STACKWORDS 0
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#endif
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/** Set this to 1 to use a mutex for SYS_ARCH_PROTECT() critical regions.
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* Default is 0 and locks interrupts/scheduler for SYS_ARCH_PROTECT().
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*/
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#ifndef LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX
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#define LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX 0
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#endif
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/** Set this to 1 to include a sanity check that SYS_ARCH_PROTECT() and
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* SYS_ARCH_UNPROTECT() are called matching.
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*/
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#ifndef LWIP_FREERTOS_SYS_ARCH_PROTECT_SANITY_CHECK
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#define LWIP_FREERTOS_SYS_ARCH_PROTECT_SANITY_CHECK 0
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#endif
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/** Set this to 1 to let sys_mbox_free check that queues are empty when freed */
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#ifndef LWIP_FREERTOS_CHECK_QUEUE_EMPTY_ON_FREE
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#define LWIP_FREERTOS_CHECK_QUEUE_EMPTY_ON_FREE 0
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#endif
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/** Set this to 1 to enable core locking check functions in this port.
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* For this to work, you'll have to define LWIP_ASSERT_CORE_LOCKED()
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* and LWIP_MARK_TCPIP_THREAD() correctly in your lwipopts.h! */
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#ifndef LWIP_FREERTOS_CHECK_CORE_LOCKING
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#define LWIP_FREERTOS_CHECK_CORE_LOCKING 1
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#endif
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/** Set this to 0 to implement sys_now() yourself, e.g. using a hw timer.
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* Default is 1, where FreeRTOS ticks are used to calculate back to ms.
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*/
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#ifndef LWIP_FREERTOS_SYS_NOW_FROM_FREERTOS
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#define LWIP_FREERTOS_SYS_NOW_FROM_FREERTOS 1
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#endif
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#if !configSUPPORT_DYNAMIC_ALLOCATION
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# error "lwIP FreeRTOS port requires configSUPPORT_DYNAMIC_ALLOCATION"
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#endif
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#if !INCLUDE_vTaskDelay
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# error "lwIP FreeRTOS port requires INCLUDE_vTaskDelay"
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#endif
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#if !INCLUDE_vTaskSuspend
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# error "lwIP FreeRTOS port requires INCLUDE_vTaskSuspend"
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#endif
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#if LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX || !LWIP_COMPAT_MUTEX
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#if !configUSE_MUTEXES
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# error "lwIP FreeRTOS port requires configUSE_MUTEXES"
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#endif
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#endif
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#if SYS_LIGHTWEIGHT_PROT && LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX
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static SemaphoreHandle_t sys_arch_protect_mutex;
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#endif
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#if SYS_LIGHTWEIGHT_PROT && LWIP_FREERTOS_SYS_ARCH_PROTECT_SANITY_CHECK
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static sys_prot_t sys_arch_protect_nesting;
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#endif
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static UBaseType_t ulNextRand;
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UBaseType_t uxLwipRand( void )
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{
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const uint32_t ulMultiplier = 0x015a4e35UL, ulIncrement = 1UL;
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ulNextRand = portGET_RUN_TIME_COUNTER_VALUE();
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ulNextRand = ( ulMultiplier * ulNextRand ) + ulIncrement;
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return( ( int ) ( ulNextRand >> 16UL ) & 0x7fffUL );
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}
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/* Initialize this module (see description in sys.h) */
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void
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sys_init(void)
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{
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#if SYS_LIGHTWEIGHT_PROT && LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX
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/* initialize sys_arch_protect global mutex */
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sys_arch_protect_mutex = xSemaphoreCreateRecursiveMutex();
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LWIP_ASSERT("failed to create sys_arch_protect mutex",
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sys_arch_protect_mutex != NULL);
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#endif /* SYS_LIGHTWEIGHT_PROT && LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX */
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}
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#if configUSE_16_BIT_TICKS == 1
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#error This port requires 32 bit ticks or timer overflow will fail
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#endif
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#if LWIP_FREERTOS_SYS_NOW_FROM_FREERTOS
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u32_t
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sys_now(void)
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{
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return xTaskGetTickCount() * portTICK_PERIOD_MS;
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}
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#endif
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u32_t
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sys_jiffies(void)
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{
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return xTaskGetTickCount();
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}
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#if SYS_LIGHTWEIGHT_PROT
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sys_prot_t
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sys_arch_protect(void)
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{
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#if LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX
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BaseType_t ret;
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LWIP_ASSERT("sys_arch_protect_mutex != NULL", sys_arch_protect_mutex != NULL);
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ret = xSemaphoreTakeRecursive(sys_arch_protect_mutex, portMAX_DELAY);
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LWIP_ASSERT("sys_arch_protect failed to take the mutex", ret == pdTRUE);
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#else /* LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX */
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taskENTER_CRITICAL();
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#endif /* LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX */
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#if LWIP_FREERTOS_SYS_ARCH_PROTECT_SANITY_CHECK
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{
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/* every nested call to sys_arch_protect() returns an increased number */
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sys_prot_t ret = sys_arch_protect_nesting;
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sys_arch_protect_nesting++;
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LWIP_ASSERT("sys_arch_protect overflow", sys_arch_protect_nesting > ret);
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return ret;
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}
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#else
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return 1;
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#endif
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}
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void
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sys_arch_unprotect(sys_prot_t pval)
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{
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#if LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX
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BaseType_t ret;
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#endif
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#if LWIP_FREERTOS_SYS_ARCH_PROTECT_SANITY_CHECK
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LWIP_ASSERT("unexpected sys_arch_protect_nesting", sys_arch_protect_nesting > 0);
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sys_arch_protect_nesting--;
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LWIP_ASSERT("unexpected sys_arch_protect_nesting", sys_arch_protect_nesting == pval);
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#endif
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#if LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX
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LWIP_ASSERT("sys_arch_protect_mutex != NULL", sys_arch_protect_mutex != NULL);
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ret = xSemaphoreGiveRecursive(sys_arch_protect_mutex);
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LWIP_ASSERT("sys_arch_unprotect failed to give the mutex", ret == pdTRUE);
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#else /* LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX */
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taskEXIT_CRITICAL();
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#endif /* LWIP_FREERTOS_SYS_ARCH_PROTECT_USES_MUTEX */
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LWIP_UNUSED_ARG(pval);
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}
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#endif /* SYS_LIGHTWEIGHT_PROT */
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void
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sys_arch_msleep(u32_t delay_ms)
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{
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TickType_t delay_ticks = delay_ms / portTICK_RATE_MS;
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vTaskDelay(delay_ticks);
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}
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#if !LWIP_COMPAT_MUTEX
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/* Create a new mutex*/
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err_t
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sys_mutex_new(sys_mutex_t *mutex)
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{
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LWIP_ASSERT("mutex != NULL", mutex != NULL);
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mutex->mut = xSemaphoreCreateRecursiveMutex();
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if(mutex->mut == NULL) {
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SYS_STATS_INC(mutex.err);
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return ERR_MEM;
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}
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SYS_STATS_INC_USED(mutex);
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return ERR_OK;
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}
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void
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sys_mutex_lock(sys_mutex_t *mutex)
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{
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BaseType_t ret;
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LWIP_ASSERT("mutex != NULL", mutex != NULL);
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LWIP_ASSERT("mutex->mut != NULL", mutex->mut != NULL);
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ret = xSemaphoreTakeRecursive(mutex->mut, portMAX_DELAY);
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LWIP_ASSERT("failed to take the mutex", ret == pdTRUE);
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}
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void
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sys_mutex_unlock(sys_mutex_t *mutex)
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{
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BaseType_t ret;
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LWIP_ASSERT("mutex != NULL", mutex != NULL);
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LWIP_ASSERT("mutex->mut != NULL", mutex->mut != NULL);
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ret = xSemaphoreGiveRecursive(mutex->mut);
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LWIP_ASSERT("failed to give the mutex", ret == pdTRUE);
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}
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void
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sys_mutex_free(sys_mutex_t *mutex)
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{
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LWIP_ASSERT("mutex != NULL", mutex != NULL);
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LWIP_ASSERT("mutex->mut != NULL", mutex->mut != NULL);
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SYS_STATS_DEC(mutex.used);
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vSemaphoreDelete(mutex->mut);
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mutex->mut = NULL;
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}
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#endif /* !LWIP_COMPAT_MUTEX */
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err_t
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sys_sem_new(sys_sem_t *sem, u8_t initial_count)
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{
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LWIP_ASSERT("sem != NULL", sem != NULL);
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LWIP_ASSERT("initial_count invalid (not 0 or 1)",
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(initial_count == 0) || (initial_count == 1));
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sem->sem = xSemaphoreCreateBinary();
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if(sem->sem == NULL) {
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SYS_STATS_INC(sem.err);
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return ERR_MEM;
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}
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SYS_STATS_INC_USED(sem);
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if(initial_count == 1) {
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BaseType_t ret = xSemaphoreGive(sem->sem);
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LWIP_ASSERT("sys_sem_new: initial give failed", ret == pdTRUE);
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}
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return ERR_OK;
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}
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void
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sys_sem_signal(sys_sem_t *sem)
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{
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BaseType_t ret;
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LWIP_ASSERT("sem != NULL", sem != NULL);
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LWIP_ASSERT("sem->sem != NULL", sem->sem != NULL);
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ret = xSemaphoreGive(sem->sem);
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/* queue full is OK, this is a signal only... */
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LWIP_ASSERT("sys_sem_signal: sane return value",
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(ret == pdTRUE) || (ret == errQUEUE_FULL));
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}
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u32_t
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sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout_ms)
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{
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BaseType_t ret;
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LWIP_ASSERT("sem != NULL", sem != NULL);
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LWIP_ASSERT("sem->sem != NULL", sem->sem != NULL);
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if(!timeout_ms) {
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/* wait infinite */
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ret = xSemaphoreTake(sem->sem, portMAX_DELAY);
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LWIP_ASSERT("taking semaphore failed", ret == pdTRUE);
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} else {
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TickType_t timeout_ticks = timeout_ms / portTICK_RATE_MS;
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ret = xSemaphoreTake(sem->sem, timeout_ticks);
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if (ret == errQUEUE_EMPTY) {
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/* timed out */
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return SYS_ARCH_TIMEOUT;
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}
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LWIP_ASSERT("taking semaphore failed", ret == pdTRUE);
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}
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/* Old versions of lwIP required us to return the time waited.
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This is not the case any more. Just returning != SYS_ARCH_TIMEOUT
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here is enough. */
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return 1;
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}
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void
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sys_sem_free(sys_sem_t *sem)
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{
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LWIP_ASSERT("sem != NULL", sem != NULL);
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LWIP_ASSERT("sem->sem != NULL", sem->sem != NULL);
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SYS_STATS_DEC(sem.used);
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vSemaphoreDelete(sem->sem);
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sem->sem = NULL;
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}
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err_t
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sys_mbox_new(sys_mbox_t *mbox, int size)
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{
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LWIP_ASSERT("mbox != NULL", mbox != NULL);
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LWIP_ASSERT("size > 0", size > 0);
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mbox->mbx = xQueueCreate((UBaseType_t)size, sizeof(void *));
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if(mbox->mbx == NULL) {
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SYS_STATS_INC(mbox.err);
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return ERR_MEM;
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}
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SYS_STATS_INC_USED(mbox);
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return ERR_OK;
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}
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void
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sys_mbox_post(sys_mbox_t *mbox, void *msg)
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{
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BaseType_t ret;
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LWIP_ASSERT("mbox != NULL", mbox != NULL);
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LWIP_ASSERT("mbox->mbx != NULL", mbox->mbx != NULL);
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ret = xQueueSendToBack(mbox->mbx, &msg, portMAX_DELAY);
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LWIP_ASSERT("mbox post failed", ret == pdTRUE);
|
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}
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err_t
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sys_mbox_trypost(sys_mbox_t *mbox, void *msg)
|
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{
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||||
BaseType_t ret;
|
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LWIP_ASSERT("mbox != NULL", mbox != NULL);
|
||||
LWIP_ASSERT("mbox->mbx != NULL", mbox->mbx != NULL);
|
||||
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||||
ret = xQueueSendToBack(mbox->mbx, &msg, 0);
|
||||
if (ret == pdTRUE) {
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||||
return ERR_OK;
|
||||
} else {
|
||||
LWIP_ASSERT("mbox trypost failed", ret == errQUEUE_FULL);
|
||||
SYS_STATS_INC(mbox.err);
|
||||
return ERR_MEM;
|
||||
}
|
||||
}
|
||||
|
||||
err_t
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||||
sys_mbox_trypost_fromisr(sys_mbox_t *mbox, void *msg)
|
||||
{
|
||||
BaseType_t ret;
|
||||
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
|
||||
LWIP_ASSERT("mbox != NULL", mbox != NULL);
|
||||
LWIP_ASSERT("mbox->mbx != NULL", mbox->mbx != NULL);
|
||||
|
||||
ret = xQueueSendToBackFromISR(mbox->mbx, &msg, &xHigherPriorityTaskWoken);
|
||||
if (ret == pdTRUE) {
|
||||
if (xHigherPriorityTaskWoken == pdTRUE) {
|
||||
return ERR_NEED_SCHED;
|
||||
}
|
||||
return ERR_OK;
|
||||
} else {
|
||||
LWIP_ASSERT("mbox trypost failed", ret == errQUEUE_FULL);
|
||||
SYS_STATS_INC(mbox.err);
|
||||
return ERR_MEM;
|
||||
}
|
||||
}
|
||||
|
||||
u32_t
|
||||
sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout_ms)
|
||||
{
|
||||
BaseType_t ret;
|
||||
void *msg_dummy;
|
||||
LWIP_ASSERT("mbox != NULL", mbox != NULL);
|
||||
LWIP_ASSERT("mbox->mbx != NULL", mbox->mbx != NULL);
|
||||
|
||||
if (!msg) {
|
||||
msg = &msg_dummy;
|
||||
}
|
||||
|
||||
if (!timeout_ms) {
|
||||
/* wait infinite */
|
||||
ret = xQueueReceive(mbox->mbx, &(*msg), portMAX_DELAY);
|
||||
LWIP_ASSERT("mbox fetch failed", ret == pdTRUE);
|
||||
} else {
|
||||
TickType_t timeout_ticks = timeout_ms / portTICK_RATE_MS;
|
||||
ret = xQueueReceive(mbox->mbx, &(*msg), timeout_ticks);
|
||||
if (ret == errQUEUE_EMPTY) {
|
||||
/* timed out */
|
||||
*msg = NULL;
|
||||
return SYS_ARCH_TIMEOUT;
|
||||
}
|
||||
LWIP_ASSERT("mbox fetch failed", ret == pdTRUE);
|
||||
}
|
||||
|
||||
/* Old versions of lwIP required us to return the time waited.
|
||||
This is not the case any more. Just returning != SYS_ARCH_TIMEOUT
|
||||
here is enough. */
|
||||
return 1;
|
||||
}
|
||||
|
||||
u32_t
|
||||
sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
|
||||
{
|
||||
BaseType_t ret;
|
||||
void *msg_dummy;
|
||||
LWIP_ASSERT("mbox != NULL", mbox != NULL);
|
||||
LWIP_ASSERT("mbox->mbx != NULL", mbox->mbx != NULL);
|
||||
|
||||
if (!msg) {
|
||||
msg = &msg_dummy;
|
||||
}
|
||||
|
||||
ret = xQueueReceive(mbox->mbx, &(*msg), 0);
|
||||
if (ret == errQUEUE_EMPTY) {
|
||||
*msg = NULL;
|
||||
return SYS_MBOX_EMPTY;
|
||||
}
|
||||
LWIP_ASSERT("mbox fetch failed", ret == pdTRUE);
|
||||
|
||||
/* Old versions of lwIP required us to return the time waited.
|
||||
This is not the case any more. Just returning != SYS_ARCH_TIMEOUT
|
||||
here is enough. */
|
||||
return 1;
|
||||
}
|
||||
|
||||
void
|
||||
sys_mbox_free(sys_mbox_t *mbox)
|
||||
{
|
||||
LWIP_ASSERT("mbox != NULL", mbox != NULL);
|
||||
LWIP_ASSERT("mbox->mbx != NULL", mbox->mbx != NULL);
|
||||
|
||||
#if LWIP_FREERTOS_CHECK_QUEUE_EMPTY_ON_FREE
|
||||
{
|
||||
UBaseType_t msgs_waiting = uxQueueMessagesWaiting(mbox->mbx);
|
||||
LWIP_ASSERT("mbox quence not empty", msgs_waiting == 0);
|
||||
|
||||
if (msgs_waiting != 0) {
|
||||
SYS_STATS_INC(mbox.err);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
vQueueDelete(mbox->mbx);
|
||||
|
||||
SYS_STATS_DEC(mbox.used);
|
||||
}
|
||||
|
||||
sys_thread_t
|
||||
sys_thread_new(const char *name, lwip_thread_fn thread, void *arg, int stacksize, int prio)
|
||||
{
|
||||
TaskHandle_t rtos_task;
|
||||
BaseType_t ret;
|
||||
sys_thread_t lwip_thread;
|
||||
size_t rtos_stacksize;
|
||||
|
||||
LWIP_ASSERT("invalid stacksize", stacksize > 0);
|
||||
#if LWIP_FREERTOS_THREAD_STACKSIZE_IS_STACKWORDS
|
||||
rtos_stacksize = (size_t)stacksize;
|
||||
#else
|
||||
rtos_stacksize = (size_t)stacksize / sizeof(StackType_t);
|
||||
#endif
|
||||
|
||||
/* lwIP's lwip_thread_fn matches FreeRTOS' TaskFunction_t, so we can pass the
|
||||
thread function without adaption here. */
|
||||
ret = xTaskCreate(thread, name, (configSTACK_DEPTH_TYPE)rtos_stacksize, arg, prio, &rtos_task);
|
||||
LWIP_ASSERT("task creation failed", ret == pdTRUE);
|
||||
|
||||
lwip_thread.thread_handle = rtos_task;
|
||||
return lwip_thread;
|
||||
}
|
||||
|
||||
#if LWIP_NETCONN_SEM_PER_THREAD
|
||||
#if configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0
|
||||
|
||||
sys_sem_t *
|
||||
sys_arch_netconn_sem_get(void)
|
||||
{
|
||||
void* ret;
|
||||
TaskHandle_t task = xTaskGetCurrentTaskHandle();
|
||||
LWIP_ASSERT("task != NULL", task != NULL);
|
||||
|
||||
ret = pvTaskGetThreadLocalStoragePointer(task, 0);
|
||||
return ret;
|
||||
}
|
||||
|
||||
void
|
||||
sys_arch_netconn_sem_alloc(void)
|
||||
{
|
||||
void *ret;
|
||||
TaskHandle_t task = xTaskGetCurrentTaskHandle();
|
||||
LWIP_ASSERT("task != NULL", task != NULL);
|
||||
|
||||
ret = pvTaskGetThreadLocalStoragePointer(task, 0);
|
||||
if(ret == NULL) {
|
||||
sys_sem_t *sem;
|
||||
err_t err;
|
||||
/* need to allocate the memory for this semaphore */
|
||||
sem = mem_malloc(sizeof(sys_sem_t));
|
||||
LWIP_ASSERT("sem != NULL", sem != NULL);
|
||||
err = sys_sem_new(sem, 0);
|
||||
LWIP_ASSERT("err == ERR_OK", err == ERR_OK);
|
||||
LWIP_ASSERT("sem invalid", sys_sem_valid(sem));
|
||||
vTaskSetThreadLocalStoragePointer(task, 0, sem);
|
||||
}
|
||||
}
|
||||
|
||||
void sys_arch_netconn_sem_free(void)
|
||||
{
|
||||
void* ret;
|
||||
TaskHandle_t task = xTaskGetCurrentTaskHandle();
|
||||
LWIP_ASSERT("task != NULL", task != NULL);
|
||||
|
||||
ret = pvTaskGetThreadLocalStoragePointer(task, 0);
|
||||
if(ret != NULL) {
|
||||
sys_sem_t *sem = ret;
|
||||
sys_sem_free(sem);
|
||||
mem_free(sem);
|
||||
vTaskSetThreadLocalStoragePointer(task, 0, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
#else /* configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 */
|
||||
#error LWIP_NETCONN_SEM_PER_THREAD needs configNUM_THREAD_LOCAL_STORAGE_POINTERS
|
||||
#endif /* configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 */
|
||||
|
||||
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
|
||||
|
||||
#if LWIP_FREERTOS_CHECK_CORE_LOCKING
|
||||
#if LWIP_TCPIP_CORE_LOCKING
|
||||
|
||||
/** Flag the core lock held. A counter for recursive locks. */
|
||||
static u8_t lwip_core_lock_count;
|
||||
static TaskHandle_t lwip_core_lock_holder_thread;
|
||||
extern sys_mutex_t lock_tcpip_core;
|
||||
|
||||
void
|
||||
sys_lock_tcpip_core(void)
|
||||
{
|
||||
sys_mutex_lock(&lock_tcpip_core);
|
||||
if (lwip_core_lock_count == 0) {
|
||||
lwip_core_lock_holder_thread = xTaskGetCurrentTaskHandle();
|
||||
}
|
||||
lwip_core_lock_count++;
|
||||
}
|
||||
|
||||
void
|
||||
sys_unlock_tcpip_core(void)
|
||||
{
|
||||
lwip_core_lock_count--;
|
||||
if (lwip_core_lock_count == 0) {
|
||||
lwip_core_lock_holder_thread = 0;
|
||||
}
|
||||
sys_mutex_unlock(&lock_tcpip_core);
|
||||
}
|
||||
|
||||
#endif /* LWIP_TCPIP_CORE_LOCKING */
|
||||
|
||||
#if !NO_SYS
|
||||
static TaskHandle_t lwip_tcpip_thread;
|
||||
#endif
|
||||
|
||||
void
|
||||
sys_mark_tcpip_thread(void)
|
||||
{
|
||||
#if !NO_SYS
|
||||
lwip_tcpip_thread = xTaskGetCurrentTaskHandle();
|
||||
#endif
|
||||
}
|
||||
|
||||
void
|
||||
sys_check_core_locking(void)
|
||||
{
|
||||
/* Embedded systems should check we are NOT in an interrupt context here */
|
||||
/* E.g. core Cortex-M3/M4 ports:
|
||||
configASSERT( ( portNVIC_INT_CTRL_REG & portVECTACTIVE_MASK ) == 0 );
|
||||
|
||||
Instead, we use more generic FreeRTOS functions here, which should fail from ISR: */
|
||||
taskENTER_CRITICAL();
|
||||
taskEXIT_CRITICAL();
|
||||
|
||||
#if !NO_SYS
|
||||
if (lwip_tcpip_thread != 0) {
|
||||
TaskHandle_t current_thread = xTaskGetCurrentTaskHandle();
|
||||
|
||||
#if LWIP_TCPIP_CORE_LOCKING
|
||||
LWIP_ASSERT("Function called without core lock",
|
||||
current_thread == lwip_core_lock_holder_thread && lwip_core_lock_count > 0);
|
||||
#else /* LWIP_TCPIP_CORE_LOCKING */
|
||||
LWIP_ASSERT("Function called from wrong thread", current_thread == lwip_tcpip_thread);
|
||||
#endif /* LWIP_TCPIP_CORE_LOCKING */
|
||||
}
|
||||
#endif /* !NO_SYS */
|
||||
}
|
||||
|
||||
#endif /* LWIP_FREERTOS_CHECK_CORE_LOCKING*/
|
||||
Reference in New Issue
Block a user