FreeCalypso > hg > fc-tourmaline
annotate src/cs/services/audio/audio_bgd/audio_bgd_task.c @ 221:5bf097aeaad7
LLS: when turning off all LEDs on boot, skip LED-C
Having LLS turn off LED-A and LED-B on boot is normally unnecessary
(they should already be off in Iota), but it is harmless, hence this
logic is kept for robustness. However, having LLS read-modify-write
the BCICTL2 register (to turn off LED-C) creates a potential race
condition with FCHG writes to this register, especially in the case
when baseband switch-on is caused by VCHG and charging is expected
to start right away. Furthermore, control of the charging LED itself
(on those hw targets that have it) is the responsibility of the FCHG
SWE, hence LLS should leave it alone.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 26 Apr 2021 21:55:13 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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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 */ |