circuitpython/drivers/cc3100/src/nonos.c

172 lines
4.3 KiB
C

/*
* nonos.c - CC31xx/CC32xx Host Driver Implementation
*
* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*
*/
/*****************************************************************************/
/* Include files */
/*****************************************************************************/
#include "simplelink.h"
#include "protocol.h"
#include "driver.h"
#ifndef SL_PLATFORM_MULTI_THREADED
#include "nonos.h"
#ifndef SL_TINY_EXT
#define NONOS_MAX_SPAWN_ENTRIES 5
#else
#define NONOS_MAX_SPAWN_ENTRIES 1
#endif
typedef struct
{
_SlSpawnEntryFunc_t pEntry;
void* pValue;
}_SlNonOsSpawnEntry_t;
typedef struct
{
_SlNonOsSpawnEntry_t SpawnEntries[NONOS_MAX_SPAWN_ENTRIES];
}_SlNonOsCB_t;
_SlNonOsCB_t g__SlNonOsCB;
_SlNonOsRetVal_t _SlNonOsSemSet(_SlNonOsSemObj_t* pSemObj , _SlNonOsSemObj_t Value)
{
*pSemObj = Value;
return NONOS_RET_OK;
}
_SlNonOsRetVal_t _SlNonOsSemGet(_SlNonOsSemObj_t* pSyncObj, _SlNonOsSemObj_t WaitValue, _SlNonOsSemObj_t SetValue, _SlNonOsTime_t Timeout)
{
#ifdef _SlSyncWaitLoopCallback
_SlNonOsTime_t timeOutRequest = Timeout;
#endif
while (Timeout>0)
{
if (WaitValue == *pSyncObj)
{
*pSyncObj = SetValue;
break;
}
if (Timeout != NONOS_WAIT_FOREVER)
{
Timeout--;
}
_SlNonOsMainLoopTask();
#ifdef _SlSyncWaitLoopCallback
if( (__NON_OS_SYNC_OBJ_SIGNAL_VALUE == WaitValue) && (timeOutRequest != NONOS_NO_WAIT) )
{
if (WaitValue == *pSyncObj)
{
*pSyncObj = SetValue;
break;
}
_SlSyncWaitLoopCallback();
}
#endif
}
if (0 == Timeout)
{
return NONOS_RET_ERR;
}
else
{
return NONOS_RET_OK;
}
}
_SlNonOsRetVal_t _SlNonOsSpawn(_SlSpawnEntryFunc_t pEntry , void* pValue , _u32 flags)
{
_i8 i = 0;
#ifndef SL_TINY_EXT
for (i=0 ; i<NONOS_MAX_SPAWN_ENTRIES ; i++)
#endif
{
_SlNonOsSpawnEntry_t* pE = &g__SlNonOsCB.SpawnEntries[i];
if (NULL == pE->pEntry)
{
pE->pValue = pValue;
pE->pEntry = pEntry;
#ifndef SL_TINY_EXT
break;
#endif
}
}
return NONOS_RET_OK;
}
_SlNonOsRetVal_t _SlNonOsMainLoopTask(void)
{
_i8 i=0;
#ifndef SL_TINY_EXT
for (i=0 ; i<NONOS_MAX_SPAWN_ENTRIES ; i++)
#endif
{
_SlNonOsSpawnEntry_t* pE = &g__SlNonOsCB.SpawnEntries[i];
_SlSpawnEntryFunc_t pF = pE->pEntry;
if (NULL != pF)
{
if(RxIrqCnt != (g_pCB)->RxDoneCnt)
{
pF(0); /* (pValue) */
}
pE->pEntry = NULL;
pE->pValue = NULL;
}
}
return NONOS_RET_OK;
}
#endif /*(SL_PLATFORM != SL_PLATFORM_NON_OS)*/