| /* |
| * EvHandler.c |
| * |
| * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved. |
| * All rights reserved. |
| * |
| * 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 Texas Instruments 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. |
| */ |
| |
| #define __FILE_ID__ FILE_ID_50 |
| #include "IPCKernelApi.h" |
| #include "EvHandler.h" |
| #include "osApi.h" |
| #include "osDebug.h" |
| |
| #ifndef _WINDOWS |
| #include "windows_types.h" |
| #else |
| #include <windows.h> |
| #endif /*_WINDOWS*/ |
| |
| #ifdef EV_HANDLER_DEBUG |
| TI_HANDLE ghEvHandler; /* for debug, remove later*/ |
| #endif |
| |
| /* ************************** Upper Interface **********************************/ |
| |
| TI_HANDLE EvHandler_Create (TI_HANDLE hOs) |
| { |
| TEvHandlerObj *pEvHandler; |
| |
| PRINT(DBG_INIT_LOUD, (" EvHandlerInit\n")); |
| pEvHandler = os_memoryAlloc(hOs,sizeof(TEvHandlerObj)); |
| |
| if(NULL == pEvHandler) |
| { |
| PRINT(DBG_INIT_LOUD, ("EvHandler_Create() - Allocation failed! Returning NULL.\n")); |
| return NULL; |
| } |
| |
| os_memoryZero(hOs,pEvHandler,sizeof(TEvHandlerObj)); |
| |
| #ifdef EV_HANDLER_DEBUG |
| ghEvHandler= pEvHandler; |
| PRINTF(DBG_INIT_VERY_LOUD, ("EvHandlerInit: ghEvHandler set to %08X\n", ghEvHandler)); |
| #endif |
| |
| pEvHandler->hOs = hOs; |
| |
| pEvHandler->LastUMEventType = 0xFFFFFFFF; |
| |
| return (TI_HANDLE) pEvHandler; |
| } |
| |
| TI_UINT32 EvHandlerUnload (TI_HANDLE hEvHandler) |
| { |
| |
| TEvHandlerObj *pEvHandler; |
| |
| PRINT(DBG_INIT_LOUD, (" ev_handler_unLoad\n")); |
| pEvHandler = (TEvHandlerObj *)hEvHandler; |
| |
| os_memoryFree(pEvHandler->hOs,pEvHandler,sizeof(TEvHandlerObj)); |
| |
| return TI_OK; |
| } |
| |
| |
| TI_UINT32 EvHandlerRegisterEvent(TI_HANDLE hEvHandler, TI_UINT8* pData, TI_UINT32 Length) |
| { |
| TEvHandlerObj *pEvHandler; |
| IPC_EVENT_PARAMS *pEvParams; |
| TI_UINT32 ModuleIndex; |
| |
| if( (hEvHandler==NULL) || (pData == NULL)){ |
| PRINT(DBG_INIT_ERROR, "EvHandler:EvHandlerRegisterEvent Bad Handle passed \n"); |
| return TI_NOK; |
| } |
| |
| #ifdef EV_HANDLER_DEBUG |
| if (ghEvHandler != hEvHandler) |
| { |
| return TI_NOK; |
| } |
| #endif |
| |
| pEvHandler = (TEvHandlerObj *)hEvHandler; |
| pEvParams = (IPC_EVENT_PARAMS *)pData; |
| |
| PRINTF(DBG_INIT_LOUD, (" EvHandlerRegisterEvent EventType = %d \n",pEvParams->uEventType)); |
| |
| /* used to be: if ( sizeof(IPC_EVENT_PARAMS) != Length) |
| relaxed size checking (okay if output buffer is larger) */ |
| if (sizeof(IPC_EVENT_PARAMS) > Length) |
| { |
| PRINTF(DBG_INIT_ERROR, (" EvHandlerRegisterEvent Error sizeof(IPC_EVENT_PARAMS) != Length," |
| "%d != %d \n",sizeof(IPC_EVENT_PARAMS), (int)Length)); |
| return (TI_UINT32)STATUS_INVALID_PARAMETER; |
| } |
| |
| if (pEvParams->uEventType >= IPC_EVENT_MAX){ |
| PRINTF(DBG_INIT_ERROR, (" EvHandlerRegisterEvent Error - Invalid Event Type = %d \n", |
| pEvParams->uEventType)); |
| return (TI_UINT32)STATUS_INVALID_PARAMETER; |
| } |
| |
| ModuleIndex = 0; |
| |
| while ((ModuleIndex < MAX_REGISTERED_MODULES) && |
| (pEvHandler->RegistrationArray[pEvParams->uEventType][ModuleIndex].uEventID != NULL)) |
| { |
| ModuleIndex++; |
| } |
| |
| if (ModuleIndex == MAX_REGISTERED_MODULES) |
| { |
| PRINTF(DBG_INIT_WARNING, (" EvHandlerRegisterEvent %d " |
| "Registration queue full or event already registered!\n", |
| pEvParams->uEventType)); |
| return (TI_UINT32)STATUS_INVALID_PARAMETER; |
| } |
| |
| os_memoryCopy(pEvHandler->hOs,(TI_UINT8*)&pEvHandler->RegistrationArray[pEvParams->uEventType][ModuleIndex], |
| (TI_UINT8*)pEvParams,Length); |
| |
| pEvParams->uEventID = (TI_HANDLE)&pEvHandler->RegistrationArray[pEvParams->uEventType][ModuleIndex]; |
| |
| pEvHandler->RegistrationArray[pEvParams->uEventType][ModuleIndex].uEventID = pEvParams->uEventID; |
| |
| PRINT(DBG_INIT_LOUD, " EvHandlerRegisterEvent Out \n"); |
| return STATUS_SUCCESS; |
| |
| } |
| |
| |
| TI_UINT32 EvHandlerUnRegisterEvent(TI_HANDLE hEvHandler, TI_HANDLE uEventID) |
| { |
| TEvHandlerObj *pEvHandler; |
| IPC_EVENT_PARAMS *pEvParams; |
| TI_UINT32 ModuleIndex; |
| |
| #ifdef EV_HANDLER_DEBUG |
| if (ghEvHandler != hEvHandler ) |
| { |
| return TI_NOK; |
| } |
| #endif |
| |
| if (uEventID == NULL) |
| { |
| return TI_NOK; |
| } |
| |
| pEvHandler = (TEvHandlerObj *)hEvHandler; |
| pEvParams = (IPC_EVENT_PARAMS *)uEventID; |
| |
| PRINTF(DBG_INIT_LOUD, (" EvHandlerUnRegisterEvent EventType = %d \n",pEvParams->uEventType)); |
| |
| if( pEvParams->uEventType >= IPC_EVENT_MAX){ |
| PRINTF(DBG_INIT_ERROR, (" EvHandlerRegisterEvent Error Event Type = %d \n", |
| pEvParams->uEventType)); |
| return (TI_UINT32)STATUS_INVALID_PARAMETER; |
| } |
| |
| ModuleIndex = 0; |
| |
| while ((ModuleIndex < MAX_REGISTERED_MODULES) && |
| (pEvHandler->RegistrationArray[pEvParams->uEventType][ModuleIndex].uEventID != pEvParams->uEventID)) |
| { |
| ModuleIndex++; |
| } |
| |
| if (ModuleIndex == MAX_REGISTERED_MODULES) |
| { |
| PRINTF(DBG_INIT_ERROR, (" EvHandlerUnRegisterEvent %d " |
| "Registration queue doesn't hold this event!\n", |
| pEvParams->uEventType )); |
| return (TI_UINT32)STATUS_INVALID_PARAMETER; |
| } |
| pEvHandler->RegistrationArray[pEvParams->uEventType][ModuleIndex].uEventID = NULL; |
| |
| return STATUS_SUCCESS; |
| } |
| |
| /* ************************** Upper Interface End*********************************/ |
| |
| /* ************************** Bottom Interface **********************************/ |
| |
| TI_UINT32 EvHandlerSendEvent(TI_HANDLE hEvHandler, TI_UINT32 EvType, TI_UINT8* pData, TI_UINT32 Length) |
| { |
| TEvHandlerObj *pEvHandler; |
| IPC_EV_DATA* pNewEvent; |
| TI_UINT32 TailIndex=0; |
| TI_UINT32 ModuleIndex=0; |
| |
| PRINTF(DBG_INIT_LOUD, (" EvHandlerSendEvent %d \n", EvType)); |
| |
| if(hEvHandler == NULL){ |
| PRINT(DBG_INIT_ERROR, "EvHandlerSendEvent Bad Handle passed \n"); |
| return TI_NOK; |
| } |
| |
| #ifdef EV_HANDLER_DEBUG |
| if (ghEvHandler != hEvHandler) |
| { |
| return TI_NOK; |
| } |
| #endif |
| |
| pEvHandler = (TEvHandlerObj *)hEvHandler; |
| |
| TailIndex = pEvHandler->SendEventArray.TailIndex; |
| |
| while ((ModuleIndex < MAX_REGISTERED_MODULES) && (EvType <= IPC_EVENT_MAX)) |
| { |
| if (pEvHandler->RegistrationArray[EvType][ModuleIndex].uEventID != NULL ) |
| { |
| if(pEvHandler->SendEventArray.Counter == MAX_SEND_EVENTS) |
| { |
| PRINT(DBG_INIT_ERROR, " EvHandlerSendEvent Array Full u Fool! \n"); |
| return TI_NOK; |
| } |
| |
| pNewEvent = &pEvHandler->SendEventArray.Array[TailIndex]; |
| |
| /* copy the event parameters and data to the events queue*/ |
| os_memoryCopy(pEvHandler->hOs,(TI_UINT8*)&pNewEvent->EvParams, |
| (TI_UINT8*)&pEvHandler->RegistrationArray[EvType][ModuleIndex], |
| sizeof(IPC_EVENT_PARAMS)); |
| |
| os_memoryZero(pEvHandler->hOs,(TI_UINT8*)pNewEvent->uBuffer, sizeof(pNewEvent->uBuffer)); |
| |
| os_memoryCopy(pEvHandler->hOs, |
| (TI_UINT8*)pNewEvent->uBuffer, |
| (TI_UINT8*)pData, |
| Length); |
| |
| pNewEvent->uBufferSize = Length; |
| |
| if(pNewEvent->EvParams.uDeliveryType == DELIVERY_PUSH) |
| { |
| PRINTF(DBG_INIT_LOUD, (" EvHandlerSendEvent %d to OS \n", EvType)); |
| PRINTF(DBG_INIT_LOUD, ("EvHandlerSendEvent Matching OS Registered event found at EvType = %d," |
| "ModuleIndex = %d \n", EvType, ModuleIndex)); |
| IPC_EventSend (pEvHandler->hOs,(TI_UINT8*)pNewEvent,sizeof(IPC_EV_DATA)); |
| } |
| else { |
| |
| pEvHandler->LastUMEventType = EvType; |
| pEvHandler->SendEventArray.TailIndex = (TailIndex+1) % MAX_SEND_EVENTS; |
| pEvHandler->SendEventArray.Counter++; |
| TailIndex = pEvHandler->SendEventArray.TailIndex; |
| PRINTF(DBG_INIT_LOUD, (" EvHandlerSendEvent %d to User Mode \n", EvType)); |
| PRINTF(DBG_INIT_LOUD, ("EvHandlerSendEvent Matching User Mode Registered event found at EvType = %d," |
| "ModuleIndex = %d \n", EvType, ModuleIndex)); |
| if (pEvHandler->SendEventArray.Counter == 1) |
| { |
| IPC_EventSend (pEvHandler->hOs,NULL,0); |
| } |
| } |
| } /* end if*/ |
| |
| ModuleIndex++; |
| |
| } /* end of while*/ |
| |
| return TI_OK; |
| } |
| |
| /* ************************** Bottom Interface End **********************************/ |
