David Fletcher
/
cc3100_test
TI's CC3100 host driver and demo. Experimental and a work in progress.
simplelink/cc3100_spawn.cpp@0:bbe98578d4c0, 2014-11-17 (annotated)
- Committer:
- dflet
- Date:
- Mon Nov 17 19:38:34 2014 +0000
- Revision:
- 0:bbe98578d4c0
Experimental and a work in progress. Mostly left as TI C code. Does compile and run, but I have seen a few glitches. cc3100_sl_common.h will need your ssid and pass key at line 82.....
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dflet | 0:bbe98578d4c0 | 1 | /* |
dflet | 0:bbe98578d4c0 | 2 | * spawn.c - CC31xx/CC32xx Host Driver Implementation |
dflet | 0:bbe98578d4c0 | 3 | * |
dflet | 0:bbe98578d4c0 | 4 | * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ |
dflet | 0:bbe98578d4c0 | 5 | * |
dflet | 0:bbe98578d4c0 | 6 | * |
dflet | 0:bbe98578d4c0 | 7 | * Redistribution and use in source and binary forms, with or without |
dflet | 0:bbe98578d4c0 | 8 | * modification, are permitted provided that the following conditions |
dflet | 0:bbe98578d4c0 | 9 | * are met: |
dflet | 0:bbe98578d4c0 | 10 | * |
dflet | 0:bbe98578d4c0 | 11 | * Redistributions of source code must retain the above copyright |
dflet | 0:bbe98578d4c0 | 12 | * notice, this list of conditions and the following disclaimer. |
dflet | 0:bbe98578d4c0 | 13 | * |
dflet | 0:bbe98578d4c0 | 14 | * Redistributions in binary form must reproduce the above copyright |
dflet | 0:bbe98578d4c0 | 15 | * notice, this list of conditions and the following disclaimer in the |
dflet | 0:bbe98578d4c0 | 16 | * documentation and/or other materials provided with the |
dflet | 0:bbe98578d4c0 | 17 | * distribution. |
dflet | 0:bbe98578d4c0 | 18 | * |
dflet | 0:bbe98578d4c0 | 19 | * Neither the name of Texas Instruments Incorporated nor the names of |
dflet | 0:bbe98578d4c0 | 20 | * its contributors may be used to endorse or promote products derived |
dflet | 0:bbe98578d4c0 | 21 | * from this software without specific prior written permission. |
dflet | 0:bbe98578d4c0 | 22 | * |
dflet | 0:bbe98578d4c0 | 23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
dflet | 0:bbe98578d4c0 | 24 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
dflet | 0:bbe98578d4c0 | 25 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
dflet | 0:bbe98578d4c0 | 26 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
dflet | 0:bbe98578d4c0 | 27 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
dflet | 0:bbe98578d4c0 | 28 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
dflet | 0:bbe98578d4c0 | 29 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
dflet | 0:bbe98578d4c0 | 30 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
dflet | 0:bbe98578d4c0 | 31 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
dflet | 0:bbe98578d4c0 | 32 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
dflet | 0:bbe98578d4c0 | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
dflet | 0:bbe98578d4c0 | 34 | * |
dflet | 0:bbe98578d4c0 | 35 | */ |
dflet | 0:bbe98578d4c0 | 36 | |
dflet | 0:bbe98578d4c0 | 37 | |
dflet | 0:bbe98578d4c0 | 38 | |
dflet | 0:bbe98578d4c0 | 39 | /*****************************************************************************/ |
dflet | 0:bbe98578d4c0 | 40 | /* Include files */ |
dflet | 0:bbe98578d4c0 | 41 | /*****************************************************************************/ |
dflet | 0:bbe98578d4c0 | 42 | #include "cc3100_simplelink.h" |
dflet | 0:bbe98578d4c0 | 43 | |
dflet | 0:bbe98578d4c0 | 44 | |
dflet | 0:bbe98578d4c0 | 45 | #if (defined (SL_PLATFORM_MULTI_THREADED)) && (!defined (SL_PLATFORM_EXTERNAL_SPAWN)) |
dflet | 0:bbe98578d4c0 | 46 | |
dflet | 0:bbe98578d4c0 | 47 | #define _SL_MAX_INTERNAL_SPAWN_ENTRIES 10 |
dflet | 0:bbe98578d4c0 | 48 | |
dflet | 0:bbe98578d4c0 | 49 | typedef struct _SlInternalSpawnEntry_t |
dflet | 0:bbe98578d4c0 | 50 | { |
dflet | 0:bbe98578d4c0 | 51 | _SlSpawnEntryFunc_t pEntry; |
dflet | 0:bbe98578d4c0 | 52 | void* pValue; |
dflet | 0:bbe98578d4c0 | 53 | struct _SlInternalSpawnEntry_t* pNext; |
dflet | 0:bbe98578d4c0 | 54 | }_SlInternalSpawnEntry_t; |
dflet | 0:bbe98578d4c0 | 55 | |
dflet | 0:bbe98578d4c0 | 56 | typedef struct |
dflet | 0:bbe98578d4c0 | 57 | { |
dflet | 0:bbe98578d4c0 | 58 | _SlInternalSpawnEntry_t SpawnEntries[_SL_MAX_INTERNAL_SPAWN_ENTRIES]; |
dflet | 0:bbe98578d4c0 | 59 | _SlInternalSpawnEntry_t* pFree; |
dflet | 0:bbe98578d4c0 | 60 | _SlInternalSpawnEntry_t* pWaitForExe; |
dflet | 0:bbe98578d4c0 | 61 | _SlInternalSpawnEntry_t* pLastInWaitList; |
dflet | 0:bbe98578d4c0 | 62 | _SlSyncObj_t SyncObj; |
dflet | 0:bbe98578d4c0 | 63 | _SlLockObj_t LockObj; |
dflet | 0:bbe98578d4c0 | 64 | }_SlInternalSpawnCB_t; |
dflet | 0:bbe98578d4c0 | 65 | |
dflet | 0:bbe98578d4c0 | 66 | _SlInternalSpawnCB_t g_SlInternalSpawnCB; |
dflet | 0:bbe98578d4c0 | 67 | |
dflet | 0:bbe98578d4c0 | 68 | |
dflet | 0:bbe98578d4c0 | 69 | void _SlInternalSpawnTaskEntry() |
dflet | 0:bbe98578d4c0 | 70 | { |
dflet | 0:bbe98578d4c0 | 71 | _i16 i; |
dflet | 0:bbe98578d4c0 | 72 | _SlInternalSpawnEntry_t* pEntry; |
dflet | 0:bbe98578d4c0 | 73 | _u8 LastEntry; |
dflet | 0:bbe98578d4c0 | 74 | |
dflet | 0:bbe98578d4c0 | 75 | /* create and lock the locking object. lock in order to avoid race condition |
dflet | 0:bbe98578d4c0 | 76 | on the first creation */ |
dflet | 0:bbe98578d4c0 | 77 | sl_LockObjCreate(&g_SlInternalSpawnCB.LockObj,"SlSpawnProtect"); |
dflet | 0:bbe98578d4c0 | 78 | sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_NO_WAIT); |
dflet | 0:bbe98578d4c0 | 79 | |
dflet | 0:bbe98578d4c0 | 80 | /* create and clear the sync object */ |
dflet | 0:bbe98578d4c0 | 81 | sl_SyncObjCreate(&g_SlInternalSpawnCB.SyncObj,"SlSpawnSync"); |
dflet | 0:bbe98578d4c0 | 82 | sl_SyncObjWait(&g_SlInternalSpawnCB.SyncObj,SL_OS_NO_WAIT); |
dflet | 0:bbe98578d4c0 | 83 | |
dflet | 0:bbe98578d4c0 | 84 | g_SlInternalSpawnCB.pFree = &g_SlInternalSpawnCB.SpawnEntries[0]; |
dflet | 0:bbe98578d4c0 | 85 | g_SlInternalSpawnCB.pWaitForExe = NULL; |
dflet | 0:bbe98578d4c0 | 86 | g_SlInternalSpawnCB.pLastInWaitList = NULL; |
dflet | 0:bbe98578d4c0 | 87 | |
dflet | 0:bbe98578d4c0 | 88 | /* create the link list between the entries */ |
dflet | 0:bbe98578d4c0 | 89 | for (i=0 ; i<_SL_MAX_INTERNAL_SPAWN_ENTRIES - 1 ; i++) |
dflet | 0:bbe98578d4c0 | 90 | { |
dflet | 0:bbe98578d4c0 | 91 | g_SlInternalSpawnCB.SpawnEntries[i].pNext = &g_SlInternalSpawnCB.SpawnEntries[i+1]; |
dflet | 0:bbe98578d4c0 | 92 | g_SlInternalSpawnCB.SpawnEntries[i].pEntry = NULL; |
dflet | 0:bbe98578d4c0 | 93 | } |
dflet | 0:bbe98578d4c0 | 94 | g_SlInternalSpawnCB.SpawnEntries[i].pNext = NULL; |
dflet | 0:bbe98578d4c0 | 95 | |
dflet | 0:bbe98578d4c0 | 96 | sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); |
dflet | 0:bbe98578d4c0 | 97 | |
dflet | 0:bbe98578d4c0 | 98 | |
dflet | 0:bbe98578d4c0 | 99 | /* here we ready to execute entries */ |
dflet | 0:bbe98578d4c0 | 100 | |
dflet | 0:bbe98578d4c0 | 101 | while (TRUE) |
dflet | 0:bbe98578d4c0 | 102 | { |
dflet | 0:bbe98578d4c0 | 103 | sl_SyncObjWait(&g_SlInternalSpawnCB.SyncObj,SL_OS_WAIT_FOREVER); |
dflet | 0:bbe98578d4c0 | 104 | /* go over all entries that already waiting for execution */ |
dflet | 0:bbe98578d4c0 | 105 | LastEntry = FALSE; |
dflet | 0:bbe98578d4c0 | 106 | do |
dflet | 0:bbe98578d4c0 | 107 | { |
dflet | 0:bbe98578d4c0 | 108 | /* get entry to execute */ |
dflet | 0:bbe98578d4c0 | 109 | sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER); |
dflet | 0:bbe98578d4c0 | 110 | |
dflet | 0:bbe98578d4c0 | 111 | pEntry = g_SlInternalSpawnCB.pWaitForExe; |
dflet | 0:bbe98578d4c0 | 112 | if ( NULL == pEntry ) |
dflet | 0:bbe98578d4c0 | 113 | { |
dflet | 0:bbe98578d4c0 | 114 | sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); |
dflet | 0:bbe98578d4c0 | 115 | break; |
dflet | 0:bbe98578d4c0 | 116 | } |
dflet | 0:bbe98578d4c0 | 117 | g_SlInternalSpawnCB.pWaitForExe = pEntry->pNext; |
dflet | 0:bbe98578d4c0 | 118 | if (pEntry == g_SlInternalSpawnCB.pLastInWaitList) |
dflet | 0:bbe98578d4c0 | 119 | { |
dflet | 0:bbe98578d4c0 | 120 | g_SlInternalSpawnCB.pLastInWaitList = NULL; |
dflet | 0:bbe98578d4c0 | 121 | LastEntry = TRUE; |
dflet | 0:bbe98578d4c0 | 122 | } |
dflet | 0:bbe98578d4c0 | 123 | |
dflet | 0:bbe98578d4c0 | 124 | sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); |
dflet | 0:bbe98578d4c0 | 125 | |
dflet | 0:bbe98578d4c0 | 126 | |
dflet | 0:bbe98578d4c0 | 127 | /* pEntry could be null in case that the sync was already set by some |
dflet | 0:bbe98578d4c0 | 128 | of the entries during execution of earlier entry */ |
dflet | 0:bbe98578d4c0 | 129 | if (NULL != pEntry) |
dflet | 0:bbe98578d4c0 | 130 | { |
dflet | 0:bbe98578d4c0 | 131 | pEntry->pEntry(pEntry->pValue); |
dflet | 0:bbe98578d4c0 | 132 | /* free the entry */ |
dflet | 0:bbe98578d4c0 | 133 | sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER); |
dflet | 0:bbe98578d4c0 | 134 | |
dflet | 0:bbe98578d4c0 | 135 | pEntry->pNext = g_SlInternalSpawnCB.pFree; |
dflet | 0:bbe98578d4c0 | 136 | g_SlInternalSpawnCB.pFree = pEntry; |
dflet | 0:bbe98578d4c0 | 137 | |
dflet | 0:bbe98578d4c0 | 138 | |
dflet | 0:bbe98578d4c0 | 139 | if (NULL != g_SlInternalSpawnCB.pWaitForExe) |
dflet | 0:bbe98578d4c0 | 140 | { |
dflet | 0:bbe98578d4c0 | 141 | /* new entry received meanwhile */ |
dflet | 0:bbe98578d4c0 | 142 | LastEntry = FALSE; |
dflet | 0:bbe98578d4c0 | 143 | } |
dflet | 0:bbe98578d4c0 | 144 | |
dflet | 0:bbe98578d4c0 | 145 | sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); |
dflet | 0:bbe98578d4c0 | 146 | |
dflet | 0:bbe98578d4c0 | 147 | } |
dflet | 0:bbe98578d4c0 | 148 | |
dflet | 0:bbe98578d4c0 | 149 | }while (!LastEntry); |
dflet | 0:bbe98578d4c0 | 150 | } |
dflet | 0:bbe98578d4c0 | 151 | } |
dflet | 0:bbe98578d4c0 | 152 | |
dflet | 0:bbe98578d4c0 | 153 | |
dflet | 0:bbe98578d4c0 | 154 | _i16 _SlInternalSpawn(_SlSpawnEntryFunc_t pEntry , void* pValue , _u32 flags) |
dflet | 0:bbe98578d4c0 | 155 | { |
dflet | 0:bbe98578d4c0 | 156 | _i16 Res = 0; |
dflet | 0:bbe98578d4c0 | 157 | _SlInternalSpawnEntry_t* pSpawnEntry; |
dflet | 0:bbe98578d4c0 | 158 | |
dflet | 0:bbe98578d4c0 | 159 | if (NULL == pEntry) |
dflet | 0:bbe98578d4c0 | 160 | { |
dflet | 0:bbe98578d4c0 | 161 | Res = -1; |
dflet | 0:bbe98578d4c0 | 162 | } |
dflet | 0:bbe98578d4c0 | 163 | else |
dflet | 0:bbe98578d4c0 | 164 | { |
dflet | 0:bbe98578d4c0 | 165 | sl_LockObjLock(&g_SlInternalSpawnCB.LockObj,SL_OS_WAIT_FOREVER); |
dflet | 0:bbe98578d4c0 | 166 | |
dflet | 0:bbe98578d4c0 | 167 | pSpawnEntry = g_SlInternalSpawnCB.pFree; |
dflet | 0:bbe98578d4c0 | 168 | g_SlInternalSpawnCB.pFree = pSpawnEntry->pNext; |
dflet | 0:bbe98578d4c0 | 169 | |
dflet | 0:bbe98578d4c0 | 170 | pSpawnEntry->pEntry = pEntry; |
dflet | 0:bbe98578d4c0 | 171 | pSpawnEntry->pValue = pValue; |
dflet | 0:bbe98578d4c0 | 172 | pSpawnEntry->pNext = NULL; |
dflet | 0:bbe98578d4c0 | 173 | |
dflet | 0:bbe98578d4c0 | 174 | if (NULL == g_SlInternalSpawnCB.pWaitForExe) |
dflet | 0:bbe98578d4c0 | 175 | { |
dflet | 0:bbe98578d4c0 | 176 | g_SlInternalSpawnCB.pWaitForExe = pSpawnEntry; |
dflet | 0:bbe98578d4c0 | 177 | g_SlInternalSpawnCB.pLastInWaitList = pSpawnEntry; |
dflet | 0:bbe98578d4c0 | 178 | } |
dflet | 0:bbe98578d4c0 | 179 | else |
dflet | 0:bbe98578d4c0 | 180 | { |
dflet | 0:bbe98578d4c0 | 181 | g_SlInternalSpawnCB.pLastInWaitList->pNext = pSpawnEntry; |
dflet | 0:bbe98578d4c0 | 182 | g_SlInternalSpawnCB.pLastInWaitList = pSpawnEntry; |
dflet | 0:bbe98578d4c0 | 183 | } |
dflet | 0:bbe98578d4c0 | 184 | |
dflet | 0:bbe98578d4c0 | 185 | sl_LockObjUnlock(&g_SlInternalSpawnCB.LockObj); |
dflet | 0:bbe98578d4c0 | 186 | /* this sync is called after releasing the lock object to avoid unnecessary context switches */ |
dflet | 0:bbe98578d4c0 | 187 | sl_SyncObjSignal(&g_SlInternalSpawnCB.SyncObj); |
dflet | 0:bbe98578d4c0 | 188 | } |
dflet | 0:bbe98578d4c0 | 189 | |
dflet | 0:bbe98578d4c0 | 190 | return Res; |
dflet | 0:bbe98578d4c0 | 191 | } |
dflet | 0:bbe98578d4c0 | 192 | |
dflet | 0:bbe98578d4c0 | 193 | |
dflet | 0:bbe98578d4c0 | 194 | |
dflet | 0:bbe98578d4c0 | 195 | |
dflet | 0:bbe98578d4c0 | 196 | |
dflet | 0:bbe98578d4c0 | 197 | #endif |
dflet | 0:bbe98578d4c0 | 198 |