748 lines
18 KiB
C
748 lines
18 KiB
C
//*****************************************************************************
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// osi_freertos.c
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//
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// Interface APIs for free-rtos function calls
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//
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// Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
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//
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//*****************************************************************************
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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#include "portmacro.h"
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#include "osi.h"
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#include "rom_map.h"
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#include "inc/hw_types.h"
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#include "interrupt.h"
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#include "pybwdt.h"
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#include "debug.h"
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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//Local function definition
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static void vSimpleLinkSpawnTask( void *pvParameters );
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//Queue Handler
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QueueHandle_t xSimpleLinkSpawnQueue = NULL;
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TaskHandle_t xSimpleLinkSpawnTaskHndl = NULL;
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// Queue size
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#define slQUEUE_SIZE ( 3 )
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#define SL_SPAWN_MAX_WAIT_MS ( 200 )
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// This is the static memory (TCB and stack) for the SL spawn task
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static StaticTask_t spawnTaskTCB __attribute__ ((section (".rtos_heap")));
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static portSTACK_TYPE spawnTaskStack[896 / sizeof(portSTACK_TYPE)] __attribute__ ((section (".rtos_heap"))) __attribute__((aligned (8)));
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/*!
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\brief This function registers an interrupt in NVIC table
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The sync object is used for synchronization between different thread or ISR and
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a thread.
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\param iIntrNum - Interrupt number to register
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\param pEntry - Pointer to the interrupt handler
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\param ucPriority - priority of the interrupt
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\return upon successful creation the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_InterruptRegister(int iIntrNum,P_OSI_INTR_ENTRY pEntry,unsigned char ucPriority)
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{
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MAP_IntRegister(iIntrNum,(void(*)(void))pEntry);
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MAP_IntPrioritySet(iIntrNum, ucPriority);
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MAP_IntEnable(iIntrNum);
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return OSI_OK;
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}
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/*!
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\brief This function De registers an interrupt in NVIC table
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\param iIntrNum - Interrupt number to De register
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\return none
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\note
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\warning
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*/
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void osi_InterruptDeRegister(int iIntrNum)
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{
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MAP_IntDisable(iIntrNum);
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MAP_IntUnregister(iIntrNum);
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}
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/*!
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\brief This function creates a sync object
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The sync object is used for synchronization between different thread or ISR and
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a thread.
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\param pSyncObj - pointer to the sync object control block
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\return upon successful creation the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_SyncObjCreate(OsiSyncObj_t* pSyncObj)
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{
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SemaphoreHandle_t *pl_SyncObj = (SemaphoreHandle_t *)pSyncObj;
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*pl_SyncObj = xSemaphoreCreateBinary();
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ASSERT (*pSyncObj != NULL);
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return OSI_OK;
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}
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/*!
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\brief This function deletes a sync object
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\param pSyncObj - pointer to the sync object control block
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\return upon successful deletion the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_SyncObjDelete(OsiSyncObj_t* pSyncObj)
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{
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vSemaphoreDelete(*pSyncObj );
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return OSI_OK;
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}
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/*!
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\brief This function generates a sync signal for the object.
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All suspended threads waiting on this sync object are resumed
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\param pSyncObj - pointer to the sync object control block
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\return upon successful signaling the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note the function could be called from ISR context
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\warning
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*/
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OsiReturnVal_e osi_SyncObjSignal(OsiSyncObj_t* pSyncObj)
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{
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xSemaphoreGive( *pSyncObj );
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return OSI_OK;
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}
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/*!
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\brief This function generates a sync signal for the object
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from ISR context.
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All suspended threads waiting on this sync object are resumed
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\param pSyncObj - pointer to the sync object control block
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\return upon successful signalling the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note the function is called from ISR context
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\warning
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*/
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OsiReturnVal_e osi_SyncObjSignalFromISR(OsiSyncObj_t* pSyncObj)
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{
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xHigherPriorityTaskWoken = pdFALSE;
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if(pdTRUE == xSemaphoreGiveFromISR( *pSyncObj, &xHigherPriorityTaskWoken ))
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{
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if( xHigherPriorityTaskWoken )
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{
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taskYIELD ();
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}
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}
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return OSI_OK;
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}
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/*!
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\brief This function waits for a sync signal of the specific sync object
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\param pSyncObj - pointer to the sync object control block
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\param Timeout - numeric value specifies the maximum number of mSec to
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stay suspended while waiting for the sync signal
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Currently, the simple link driver uses only two values:
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- OSI_WAIT_FOREVER
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- OSI_NO_WAIT
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\return upon successful reception of the signal within the timeout window return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_SyncObjWait(OsiSyncObj_t* pSyncObj , OsiTime_t Timeout)
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{
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if(pdTRUE == xSemaphoreTake( (SemaphoreHandle_t)*pSyncObj, ( TickType_t )Timeout))
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{
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return OSI_OK;
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}
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else
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{
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return OSI_OPERATION_FAILED;
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}
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}
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/*!
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\brief This function clears a sync object
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\param pSyncObj - pointer to the sync object control block
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\return upon successful clearing the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_SyncObjClear(OsiSyncObj_t* pSyncObj)
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{
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if (OSI_OK == osi_SyncObjWait(pSyncObj,0) )
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{
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return OSI_OK;
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}
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else
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{
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return OSI_OPERATION_FAILED;
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}
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}
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/*!
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\brief This function creates a locking object.
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The locking object is used for protecting a shared resources between different
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threads.
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\param pLockObj - pointer to the locking object control block
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\return upon successful creation the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_LockObjCreate(OsiLockObj_t* pLockObj)
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{
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SemaphoreHandle_t *pl_LockObj = (SemaphoreHandle_t *)pLockObj;
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vSemaphoreCreateBinary(*pl_LockObj);
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ASSERT (*pLockObj != NULL);
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return OSI_OK;
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}
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/*!
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\brief This function creates a Task.
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Creates a new Task and add it to the last of tasks that are ready to run
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\param pEntry - pointer to the Task Function
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\param pcName - Task Name String
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\param usStackDepth - Stack Size in bytes
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\param pvParameters - pointer to structure to be passed to the Task Function
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\param uxPriority - Task Priority
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\return upon successful creation the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_TaskCreate(P_OSI_TASK_ENTRY pEntry,const signed char * const pcName,
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unsigned short usStackDepth, void *pvParameters,
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unsigned long uxPriority,OsiTaskHandle* pTaskHandle)
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{
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ASSERT (pdPASS == xTaskCreate( pEntry, (char const*)pcName,
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(usStackDepth/(sizeof( portSTACK_TYPE ))),
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pvParameters,(unsigned portBASE_TYPE)uxPriority,
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(TaskHandle_t*)pTaskHandle ));
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return OSI_OK;
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}
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/*!
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\brief This function Deletes a Task.
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Deletes a Task and remove it from list of running task
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\param pTaskHandle - Task Handle
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\note
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\warning
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*/
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void osi_TaskDelete(OsiTaskHandle* pTaskHandle)
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{
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vTaskDelete((TaskHandle_t)*pTaskHandle);
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}
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/*!
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\brief This function deletes a locking object.
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\param pLockObj - pointer to the locking object control block
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\return upon successful deletion the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e _osi_LockObjDelete(OsiLockObj_t* pLockObj)
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{
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vSemaphoreDelete((SemaphoreHandle_t)*pLockObj );
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return OSI_OK;
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}
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/*!
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\brief This function locks a locking object.
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All other threads that call this function before this thread calls
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the osi_LockObjUnlock would be suspended
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\param pLockObj - pointer to the locking object control block
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\param Timeout - numeric value specifies the maximum number of mSec to
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stay suspended while waiting for the locking object
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Currently, the simple link driver uses only two values:
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- OSI_WAIT_FOREVER
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- OSI_NO_WAIT
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\return upon successful reception of the locking object the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e _osi_LockObjLock(OsiLockObj_t* pLockObj , OsiTime_t Timeout)
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{
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//Take Semaphore
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if(pdTRUE == xSemaphoreTake( *pLockObj, ( TickType_t ) Timeout ))
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{
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return OSI_OK;
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}
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else
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{
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return OSI_OPERATION_FAILED;
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}
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}
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/*!
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\brief This function unlock a locking object.
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\param pLockObj - pointer to the locking object control block
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\return upon successful unlocking the function should return 0
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e _osi_LockObjUnlock(OsiLockObj_t* pLockObj)
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{
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//Release Semaphore
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if(pdTRUE == xSemaphoreGive( *pLockObj ))
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{
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return OSI_OK;
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}
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else
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{
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return OSI_OPERATION_FAILED;
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}
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}
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/*!
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\brief This function call the pEntry callback from a different context
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\param pEntry - pointer to the entry callback function
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\param pValue - pointer to any type of memory structure that would be
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passed to pEntry callback from the execution thread.
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\param flags - execution flags - reserved for future usage
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\return upon successful registration of the spawn the function should return 0
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(the function is not blocked till the end of the execution of the function
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and could be returned before the execution is actually completed)
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Otherwise, a negative value indicating the error code shall be returned
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\note
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\warning
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*/
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OsiReturnVal_e osi_Spawn(P_OSI_SPAWN_ENTRY pEntry , void* pValue , unsigned long flags)
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{
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tSimpleLinkSpawnMsg Msg;
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Msg.pEntry = pEntry;
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Msg.pValue = pValue;
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xHigherPriorityTaskWoken = pdFALSE;
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if(pdTRUE == xQueueSendFromISR( xSimpleLinkSpawnQueue, &Msg, &xHigherPriorityTaskWoken ))
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{
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if( xHigherPriorityTaskWoken )
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{
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taskYIELD ();
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}
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return OSI_OK;
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}
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return OSI_OPERATION_FAILED;
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}
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/*!
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\brief This is the simplelink spawn task to call SL callback from a different context
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\param pvParameters - pointer to the task parameter
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\return void
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\note
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\warning
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*/
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void vSimpleLinkSpawnTask(void *pvParameters)
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{
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tSimpleLinkSpawnMsg Msg;
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portBASE_TYPE ret;
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for(;;)
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{
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ret = xQueueReceive( xSimpleLinkSpawnQueue, &Msg, SL_SPAWN_MAX_WAIT_MS);
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if(ret == pdPASS)
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{
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Msg.pEntry(Msg.pValue);
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}
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// set the alive flag for the wdt
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pybwdt_sl_alive();
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}
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}
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/*!
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\brief This is the API to create SL spawn task and create the SL queue
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\param uxPriority - task priority
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\return void
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\note
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\warning
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*/
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__attribute__ ((section (".boot")))
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OsiReturnVal_e VStartSimpleLinkSpawnTask(unsigned portBASE_TYPE uxPriority)
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{
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xSimpleLinkSpawnQueue = xQueueCreate( slQUEUE_SIZE, sizeof( tSimpleLinkSpawnMsg ) );
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ASSERT (xSimpleLinkSpawnQueue != NULL);
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/*
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// This is the original code to create a task dynamically
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ASSERT (pdPASS == xTaskCreate( vSimpleLinkSpawnTask, ( portCHAR * ) "SLSPAWN",\
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896 / sizeof(portSTACK_TYPE), NULL, uxPriority, &xSimpleLinkSpawnTaskHndl ));
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*/
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// This code creates the task using static memory for the TCB and stack
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xSimpleLinkSpawnTaskHndl = xTaskCreateStatic(
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vSimpleLinkSpawnTask, ( portCHAR * ) "SLSPAWN",
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896 / sizeof(portSTACK_TYPE), NULL, uxPriority,
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spawnTaskStack, &spawnTaskTCB);
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ASSERT(xSimpleLinkSpawnTaskHndl != NULL);
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return OSI_OK;
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}
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/*!
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\brief This is the API to delete SL spawn task and delete the SL queue
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\param none
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\return void
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\note
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\warning
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*/
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void VDeleteSimpleLinkSpawnTask( void )
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{
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if(xSimpleLinkSpawnTaskHndl)
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{
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vTaskDelete( xSimpleLinkSpawnTaskHndl );
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xSimpleLinkSpawnTaskHndl = 0;
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}
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if(xSimpleLinkSpawnQueue)
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{
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vQueueDelete( xSimpleLinkSpawnQueue );
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xSimpleLinkSpawnQueue = 0;
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}
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}
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/*!
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\brief This function is used to create the MsgQ
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\param pMsgQ - pointer to the message queue
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\param pMsgQName - msg queue name
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\param MsgSize - size of message on the queue
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\param MaxMsgs - max. number of msgs that the queue can hold
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\return - OsiReturnVal_e
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\note
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\warning
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*/
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OsiReturnVal_e osi_MsgQCreate(OsiMsgQ_t* pMsgQ ,
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char* pMsgQName,
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unsigned long MsgSize,
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unsigned long MaxMsgs)
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{
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QueueHandle_t handle;
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//Create Queue
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handle = xQueueCreate( MaxMsgs, MsgSize );
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ASSERT (handle != NULL);
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*pMsgQ = (OsiMsgQ_t)handle;
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return OSI_OK;
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}
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|
/*!
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\brief This function is used to delete the MsgQ
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\param pMsgQ - pointer to the message queue
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\return - OsiReturnVal_e
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\note
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\warning
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*/
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OsiReturnVal_e osi_MsgQDelete(OsiMsgQ_t* pMsgQ)
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{
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vQueueDelete((QueueHandle_t) *pMsgQ );
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return OSI_OK;
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}
|
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/*!
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\brief This function is used to write data to the MsgQ
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\param pMsgQ - pointer to the message queue
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\param pMsg - pointer to the Msg strut to read into
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\param Timeout - timeout to wait for the Msg to be available
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\return - OsiReturnVal_e
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\note
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\warning
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*/
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OsiReturnVal_e osi_MsgQWrite(OsiMsgQ_t* pMsgQ, void* pMsg , OsiTime_t Timeout)
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{
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xHigherPriorityTaskWoken = pdFALSE;
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if(pdPASS == xQueueSendFromISR((QueueHandle_t) *pMsgQ, pMsg, &xHigherPriorityTaskWoken ))
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{
|
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taskYIELD ();
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return OSI_OK;
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}
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else
|
|
{
|
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return OSI_OPERATION_FAILED;
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|
}
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}
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/*!
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\brief This function is used to read data from the MsgQ
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\param pMsgQ - pointer to the message queue
|
|
\param pMsg - pointer to the Msg strut to read into
|
|
\param Timeout - timeout to wait for the Msg to be available
|
|
|
|
\return - OsiReturnVal_e
|
|
\note
|
|
\warning
|
|
*/
|
|
|
|
OsiReturnVal_e osi_MsgQRead(OsiMsgQ_t* pMsgQ, void* pMsg , OsiTime_t Timeout)
|
|
{
|
|
//Receive Item from Queue
|
|
if( pdTRUE == xQueueReceive((QueueHandle_t)*pMsgQ,pMsg,Timeout) )
|
|
{
|
|
return OSI_OK;
|
|
}
|
|
else
|
|
{
|
|
return OSI_OPERATION_FAILED;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief This function to call the memory de-allocation function of the FREERTOS
|
|
|
|
\param Size - size of memory to alloc in bytes
|
|
|
|
\return - void *
|
|
\note
|
|
\warning
|
|
*/
|
|
|
|
void * mem_Malloc(unsigned long Size)
|
|
{
|
|
return ( void * ) pvPortMalloc( (size_t)Size );
|
|
}
|
|
|
|
/*!
|
|
\brief This function to call the memory de-allocation function of the FREERTOS
|
|
|
|
\param pMem - pointer to the memory which needs to be freed
|
|
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
void mem_Free(void *pMem)
|
|
{
|
|
vPortFree( pMem );
|
|
}
|
|
|
|
/*!
|
|
\brief This function call the memset function
|
|
\param pBuf - pointer to the memory to be fill
|
|
\param Val - Value to be fill
|
|
\param Size - Size of the memory which needs to be fill
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
|
|
void mem_set(void *pBuf,int Val,size_t Size)
|
|
{
|
|
memset( pBuf,Val,Size);
|
|
}
|
|
|
|
/*!
|
|
\brief This function call the memcopy function
|
|
\param pDst - pointer to the destination
|
|
\param pSrc - pointer to the source
|
|
\param Size - Size of the memory which needs to be copy
|
|
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
void mem_copy(void *pDst, void *pSrc,size_t Size)
|
|
{
|
|
memcpy(pDst,pSrc,Size);
|
|
}
|
|
|
|
|
|
/*!
|
|
\brief This function use to entering into critical section
|
|
\param void
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
|
|
void osi_EnterCritical(void)
|
|
{
|
|
vPortEnterCritical();
|
|
}
|
|
|
|
/*!
|
|
\brief This function use to exit critical section
|
|
\param void
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
|
|
void osi_ExitCritical(void)
|
|
{
|
|
vPortExitCritical();
|
|
}
|
|
/*!
|
|
\brief This function used to start the scheduler
|
|
\param void
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
__attribute__ ((section (".boot")))
|
|
void osi_start()
|
|
{
|
|
vTaskStartScheduler();
|
|
}
|
|
/*!
|
|
\brief This function used to suspend the task for the specified number of milli secs
|
|
\param MilliSecs - Time in millisecs to suspend the task
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
void osi_Sleep(unsigned int MilliSecs)
|
|
{
|
|
vTaskDelay(MilliSecs);
|
|
}
|
|
|
|
|
|
/*!
|
|
\brief This function used to disable the tasks
|
|
\param - void
|
|
\return - Key with the suspended tasks
|
|
\note
|
|
\warning
|
|
*/
|
|
void osi_TaskDisable(void)
|
|
{
|
|
vTaskSuspendAll();
|
|
}
|
|
|
|
|
|
/*!
|
|
\brief This function used to resume all the tasks
|
|
\param key - returned from suspend tasks
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
void osi_TaskEnable(void)
|
|
{
|
|
xTaskResumeAll();
|
|
}
|
|
|
|
/*!
|
|
\brief This function used to save the OS context before sleep
|
|
\param void
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
void osi_ContextSave()
|
|
{
|
|
|
|
}
|
|
/*!
|
|
\brief This function used to restore the OS context after sleep
|
|
\param void
|
|
\return - void
|
|
\note
|
|
\warning
|
|
*/
|
|
void osi_ContextRestore()
|
|
{
|
|
|
|
}
|