Diff: simplelink/cc3100_spawn.cpp

Revision:

5:d3b320ebd469

Parent:

4:5af740da0a59

Child:

6:778b081f6a13

--- a/simplelink/cc3100_spawn.cpp	Mon Feb 23 21:10:13 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,194 +0,0 @@
-/*
- * spawn.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 "cc3100_simplelink.h"
-
-#include "cc3100_spawn.h"
-
-namespace mbed_cc3100 {
-
-#if (defined (SL_PLATFORM_MULTI_THREADED)) && (!defined (SL_PLATFORM_EXTERNAL_SPAWN))
-
-#define _SL_MAX_INTERNAL_SPAWN_ENTRIES      10
-
-
-typedef struct _SlInternalSpawnEntry_t {
-    _SlSpawnEntryFunc_t 		        pEntry;
-    void* 						        pValue;
-    struct _SlInternalSpawnEntry_t*     pNext;
-} _SlInternalSpawnEntry_t;
-
-typedef struct {
-    _SlInternalSpawnEntry_t     SpawnEntries[_SL_MAX_INTERNAL_SPAWN_ENTRIES];
-    _SlInternalSpawnEntry_t*    pFree;
-    _SlInternalSpawnEntry_t*    pWaitForExe;
-    _SlInternalSpawnEntry_t*    pLastInWaitList;
-    _SlSyncObj_t                SyncObj;
-    _SlLockObj_t                LockObj;
-} _SlInternalSpawnCB_t;
-
-_SlInternalSpawnCB_t g_SlInternalSpawnCB;
-
-cc3100_spawn::cc3100_spawn()
-{
-
-}
-
-cc3100_spawn::~cc3100_spawn()
-{
-
-}
-
-
-void cc3100_spawn::_SlInternalSpawnTaskEntry()
-{
-    int16_t                     i;
-    _SlInternalSpawnEntry_t*    pEntry;
-    uint8_t                     LastEntry;
-
-    /* create and lock the locking object. lock in order to avoid race condition
-        on the first creation */
-    sl_LockObjCreate(&g_SlInternalSpawnCB.LockObj,"SlSpawnProtect");
-    sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_NO_WAIT);
-
-    /* create and clear the sync object */
-    sl_SyncObjCreate(&g_SlInternalSpawnCB.SyncObj,"SlSpawnSync");
-    sl_SyncObjWait(&g_SlInternalSpawnCB.SyncObj,SL_OS_NO_WAIT);
-
-    g_SlInternalSpawnCB.pFree = &g_SlInternalSpawnCB.SpawnEntries[0];
-    g_SlInternalSpawnCB.pWaitForExe = NULL;
-    g_SlInternalSpawnCB.pLastInWaitList = NULL;
-
-    /* create the link list between the entries */
-    for (i=0 ; i<_SL_MAX_INTERNAL_SPAWN_ENTRIES - 1 ; i++) {
-        g_SlInternalSpawnCB.SpawnEntries[i].pNext = &g_SlInternalSpawnCB.SpawnEntries[i+1];
-        g_SlInternalSpawnCB.SpawnEntries[i].pEntry = NULL;
-    }
-    g_SlInternalSpawnCB.SpawnEntries[i].pNext = NULL;
-
-    sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj);
-
-
-    /* here we ready to execute entries */
-
-    while (TRUE) {
-        sl_SyncObjWait(&g_SlInternalSpawnCB.SyncObj,SL_OS_WAIT_FOREVER);
-        /* go over all entries that already waiting for execution */
-        LastEntry = FALSE;
-        do {
-            /* get entry to execute */
-            sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER);
-
-            pEntry = g_SlInternalSpawnCB.pWaitForExe;
-            if ( NULL == pEntry ) {
-                sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj);
-                break;
-            }
-            g_SlInternalSpawnCB.pWaitForExe = pEntry->pNext;
-            if (pEntry == g_SlInternalSpawnCB.pLastInWaitList) {
-                g_SlInternalSpawnCB.pLastInWaitList = NULL;
-                LastEntry = TRUE;
-            }
-
-            sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj);
-
-
-            /* pEntry could be null in case that the sync was already set by some
-               of the entries during execution of earlier entry */
-            if (NULL != pEntry) {
-                pEntry->pEntry(pEntry->pValue);
-                /* free the entry */
-                sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER);
-
-                pEntry->pNext = g_SlInternalSpawnCB.pFree;
-                g_SlInternalSpawnCB.pFree = pEntry;
-
-
-                if (NULL != g_SlInternalSpawnCB.pWaitForExe) {
-                    /* new entry received meanwhile */
-                    LastEntry = FALSE;
-                }
-
-                sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj);
-
-            }
-
-        } while (!LastEntry);
-    }
-}
-
-
-int16_t cc3100_spawn::_SlInternalSpawn(_SlSpawnEntryFunc_t pEntry , void* pValue , uint32_t flags)
-{
-    int16_t                         Res = 0;
-    _SlInternalSpawnEntry_t*    pSpawnEntry;
-
-    if (NULL == pEntry) {
-        Res = -1;
-    } else {
-        sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER);
-
-        pSpawnEntry = g_SlInternalSpawnCB.pFree;
-        g_SlInternalSpawnCB.pFree = pSpawnEntry->pNext;
-
-        pSpawnEntry->pEntry = pEntry;
-        pSpawnEntry->pValue = pValue;
-        pSpawnEntry->pNext = NULL;
-
-        if (NULL == g_SlInternalSpawnCB.pWaitForExe) {
-            g_SlInternalSpawnCB.pWaitForExe = pSpawnEntry;
-            g_SlInternalSpawnCB.pLastInWaitList = pSpawnEntry;
-        } else {
-            g_SlInternalSpawnCB.pLastInWaitList->pNext = pSpawnEntry;
-            g_SlInternalSpawnCB.pLastInWaitList = pSpawnEntry;
-        }
-
-        sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj);
-        /* this sync is called after releasing the lock object to avoid unnecessary context switches */
-        sl_SyncObjSignal(&g_SlInternalSpawnCB.SyncObj);
-    }
-
-    return Res;
-}
-
-#endif
-
-}//namespace mbed_cc3100