FreeCalypso > hg > fc-magnetite
view src/cs/services/Audio/Audio_bgd/audio_bgd_task.c @ 35:4a9af69f75c2
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 30 Sep 2016 17:41:53 +0000 |
parents | 945cf7f506b2 |
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/****************************************************************************/ /* */ /* Name audio_bgd_task.c */ /* */ /* Function this file contains the main AUDIO BACKGROUND functionk */ /* */ /* Version 1 */ /* */ /* Date Modification */ /* ------------------------------------ */ /* 19 June 2003 Create */ /* */ /* Author Frederic Turgis */ /* */ /* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved*/ /****************************************************************************/ #include "rv/rv_defined_swe.h" #ifdef RVM_AUDIO_BGD_SWE #include "rv/rv_general.h" #include "audio/audio_bgd/audio_bgd_structs_i.h" #include "audio/audio_bgd/audio_bgd_macro_i.h" #include "audio/audio_bgd/audio_bgd_const_i.h" #include "audio/audio_bgd/audio_bgd_env_i.h" /********************************************************************************/ /* Function audio_bgd_core */ /* */ /* Description Core of the audio background task, which waits for events */ /* */ /********************************************************************************/ T_RV_RET audio_bgd_core(void) { /* Declare local variables */ BOOLEAN error = FALSE; T_RV_HDR *p_message = NULL; UINT16 received_event= 0x0000; T_RV_RET status; AUDIO_BGD_SEND_TRACE("AUDIO_BACKGROUD TASK started", RV_TRACE_LEVEL_DEBUG_HIGH); /* loop to process messages */ while (error == FALSE) { /* Wait for the necessary events (all events and no time out). */ received_event = rvf_wait ( AUDIO_BGD_ALL_EVENT_FLAGS, AUDIO_BGD_NOT_TIME_OUT); /* If an event is received, then ....*/ if (received_event & AUDIO_BGD_TASK_MBOX_EVT_MASK) { /* Read the message in the audio mailbox */ p_message = (T_RV_HDR *) rvf_read_mbox(AUDIO_BGD_MBOX); if (p_message != NULL) { p_audio_bgd_gbl_var->message_processed = FALSE; // Handle messages // Check message has been processed if (p_audio_bgd_gbl_var->message_processed == FALSE) { AUDIO_BGD_SEND_TRACE_PARAM(" AUDIO BGD ERROR (env). A wrong message is received ", p_message->msg_id, RV_TRACE_LEVEL_ERROR); } status = rvf_free_buf((T_RVF_BUFFER *)p_message); if (status != RVF_GREEN) { AUDIO_BGD_SEND_TRACE(" AUDIO BGD ERROR (env). Can't deallocate message", RV_TRACE_LEVEL_ERROR); } } // if (p_message != NULL) else { AUDIO_BGD_SEND_TRACE(" AUDIO BGD ERROR (env). Can't read the message received", RV_TRACE_LEVEL_ERROR); } } // if (received_event & AUDIO_BGD_TASK_MBOX_EVT_MASK) /* If one of the occured events is unexpected (due to an unassigned */ /* mailbox), then report an internal error. */ if ( received_event & ~(AUDIO_BGD_TASK_MBOX_EVT_MASK) ) { AUDIO_BGD_SEND_TRACE(" AUDIO BGD ERROR (env). One of the events is unexpected ", RV_TRACE_LEVEL_ERROR); error = TRUE; } } // while (error == FALSE) return(RV_INTERNAL_ERR); } /****************************** End of audio_bgd task function **************************/ #endif /* #ifdef RVM_AUDIO_BGD_SWE */