FreeCalypso > hg > fc-tourmaline

annotate src/g23m-aci/gdd_dio/gdd_dio_queue.c @ 287:3dee79757ae4

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UI fw: load handheld audio mode on boot We have now reached the point where use of audio mode config files should be considered mandatory. In ACI usage we can tell users that they need to perform an AT@AUL of some appropriate audio mode, but in UI-enabled fw we really need to have the firmware load audio modes on its own, so that correct audio config gets established when the handset or development board runs on its own, without a connected host computer. Once have FC Venus with both main and headset audio channels and headset plug insertion detection, our fw will need to automatically load the handheld mode or the headset mode depending on the plug insertion state. For now we load only the handheld mode, which has been tuned for FC-HDS4 on FC Luna.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Nov 2021 03:20:57 +0000
parents fa8dc04885d8
children
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | File : gdd_dio_queue.c
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4 +-----------------------------------------------------------------------------
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5 | Copyright 2002 Texas Instruments Berlin, AG
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Berlin, AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Berlin, AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : Implements the queue functions for the DIO buffer FIFO
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17 +-----------------------------------------------------------------------------
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18 */
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19
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20
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21 #define ENTITY_GDD_DIO
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22
fa8dc04885d8 src/g23m-*: import from Magnetite
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23 /*==== INCLUDES =============================================================*/
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24
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25 #include "typedefs.h" /* to get Condat data types */
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26 #include "vsi.h" /* to get a lot of macros */
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27
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28 #include <string.h> /* for memset */
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29
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30 #include "gdd_dio_queue.h"
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31
fa8dc04885d8 src/g23m-*: import from Magnetite
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32 /*==== CONST ================================================================*/
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33
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34 /*==== LOCAL VARS ===========================================================*/
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35
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36 /*==== PRIVATE FUNCTIONS ====================================================*/
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37
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38 /*==== PUBLIC FUNCTIONS =====================================================*/
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39
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40
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41 GLOBAL void gdd_dio_queue_clear(T_GDD_BUF_QUEUE *queue)
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42 {
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43 queue->next_in = 0;
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44 queue->next_out = 0;
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45 memset(queue->elems, 0, sizeof(T_dio_buffer *) * GDD_MAX_DIO_BUF);
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46 }
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47
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48
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49 BOOL gdd_dio_queue_is_empty(const T_GDD_BUF_QUEUE *queue)
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50 {
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51 return (queue->next_in == queue->next_out) &&
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52 (0 == queue->elems[queue->next_out]);
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53 }
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54
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55
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56 GLOBAL BOOL gdd_dio_queue_is_full(const T_GDD_BUF_QUEUE *queue)
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57 {
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58 return (queue->next_in == queue->next_out) &&
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59 !(0 == queue->elems[queue->next_out]);
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60 }
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61
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62
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63 GLOBAL BOOL gdd_dio_dequeue(T_GDD_BUF_QUEUE *queue, T_dio_buffer **elem)
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64 {
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65 if(gdd_dio_queue_is_empty(queue))
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66 {
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67 return FALSE;
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68 }
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69 else
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70 {
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71 (*elem) = queue->elems[queue->next_out];
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72 queue->elems[queue->next_out] = 0;
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73 ++(queue->next_out);
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74 if(queue->next_out EQ GDD_MAX_DIO_BUF)
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75 queue->next_out = 0;
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76 return TRUE;
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77 }
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78 }
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79
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80 GLOBAL BOOL gdd_dio_queue_peek_next_for_dequeue
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81 (const T_GDD_BUF_QUEUE *queue, /*out*/T_dio_buffer **elem)
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82 {
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83 if(gdd_dio_queue_is_empty(queue))
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84 {
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85 return FALSE;
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86 }
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87 else
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88 {
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89 (*elem) = queue->elems[queue->next_out];
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90 return TRUE;
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91 }
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92 }
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93
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94 GLOBAL BOOL gdd_dio_enqueue(T_dio_buffer *elem, T_GDD_BUF_QUEUE *queue, /*out*/U16 *pos)
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95 {
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96 if(gdd_dio_queue_is_full(queue))
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97 {
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98 return FALSE;
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99 }
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100 else
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101 {
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102 queue->elems[queue->next_in] = elem;
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103 (*pos) = queue->next_in;
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104 ++(queue->next_in);
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105 if(queue->next_in EQ GDD_MAX_DIO_BUF)
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106 queue->next_in = 0;
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107 return TRUE;
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108 }
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109 }
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110
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111
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112 GLOBAL void gdd_dio_queue_peek(const T_GDD_BUF_QUEUE *queue, U16 pos, /*out*/T_dio_buffer **elem)
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113 {
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114 (*elem) = queue->elems[pos];
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115 }