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annotate src/cs/services/Audio/Audio_bgd/audio_bgd_task.c @ 254:cae495752cf7

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top README: update for the FCDEV3B
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 03 Aug 2017 19:18:16 +0000
parents 945cf7f506b2
children
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1 /****************************************************************************/
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2 /* */
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3 /* Name audio_bgd_task.c */
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4 /* */
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5 /* Function this file contains the main AUDIO BACKGROUND functionk */
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6 /* */
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7 /* Version 1 */
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8 /* */
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9 /* Date Modification */
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10 /* ------------------------------------ */
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11 /* 19 June 2003 Create */
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12 /* */
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13 /* Author Frederic Turgis */
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14 /* */
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15 /* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved*/
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16 /****************************************************************************/
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17
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18 #include "rv/rv_defined_swe.h"
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19
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20 #ifdef RVM_AUDIO_BGD_SWE
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21
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22 #include "rv/rv_general.h"
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23 #include "audio/audio_bgd/audio_bgd_structs_i.h"
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24 #include "audio/audio_bgd/audio_bgd_macro_i.h"
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25 #include "audio/audio_bgd/audio_bgd_const_i.h"
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26 #include "audio/audio_bgd/audio_bgd_env_i.h"
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27
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28 /********************************************************************************/
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29 /* Function audio_bgd_core */
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30 /* */
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31 /* Description Core of the audio background task, which waits for events */
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32 /* */
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33 /********************************************************************************/
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34 T_RV_RET audio_bgd_core(void)
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35 {
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36 /* Declare local variables */
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37 BOOLEAN error = FALSE;
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38 T_RV_HDR *p_message = NULL;
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39 UINT16 received_event= 0x0000;
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40 T_RV_RET status;
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41
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42 AUDIO_BGD_SEND_TRACE("AUDIO_BACKGROUD TASK started", RV_TRACE_LEVEL_DEBUG_HIGH);
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43
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44 /* loop to process messages */
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45 while (error == FALSE)
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46 {
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47 /* Wait for the necessary events (all events and no time out). */
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48 received_event = rvf_wait ( AUDIO_BGD_ALL_EVENT_FLAGS, AUDIO_BGD_NOT_TIME_OUT);
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49
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50 /* If an event is received, then ....*/
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51 if (received_event & AUDIO_BGD_TASK_MBOX_EVT_MASK)
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52 {
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53 /* Read the message in the audio mailbox */
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54 p_message = (T_RV_HDR *) rvf_read_mbox(AUDIO_BGD_MBOX);
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55
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56 if (p_message != NULL)
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57 {
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58 p_audio_bgd_gbl_var->message_processed = FALSE;
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59
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60 // Handle messages
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61
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62 // Check message has been processed
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63 if (p_audio_bgd_gbl_var->message_processed == FALSE)
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64 {
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65 AUDIO_BGD_SEND_TRACE_PARAM(" AUDIO BGD ERROR (env). A wrong message is received ",
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66 p_message->msg_id, RV_TRACE_LEVEL_ERROR);
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67 }
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68 status = rvf_free_buf((T_RVF_BUFFER *)p_message);
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69 if (status != RVF_GREEN)
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70 {
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71 AUDIO_BGD_SEND_TRACE(" AUDIO BGD ERROR (env). Can't deallocate message",
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72 RV_TRACE_LEVEL_ERROR);
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73 }
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74 } // if (p_message != NULL)
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75 else
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76 {
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77 AUDIO_BGD_SEND_TRACE(" AUDIO BGD ERROR (env). Can't read the message received",
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78 RV_TRACE_LEVEL_ERROR);
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79 }
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80 } // if (received_event & AUDIO_BGD_TASK_MBOX_EVT_MASK)
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81
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82 /* If one of the occured events is unexpected (due to an unassigned */
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83 /* mailbox), then report an internal error. */
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84 if ( received_event & ~(AUDIO_BGD_TASK_MBOX_EVT_MASK) )
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85 {
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86 AUDIO_BGD_SEND_TRACE(" AUDIO BGD ERROR (env). One of the events is unexpected ",
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87 RV_TRACE_LEVEL_ERROR);
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88
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89 error = TRUE;
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90 }
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91 } // while (error == FALSE)
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92 return(RV_INTERNAL_ERR);
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93 } /****************************** End of audio_bgd task function **************************/
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94
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95 #endif /* #ifdef RVM_AUDIO_BGD_SWE */