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annotate src/ui3/mfw/mfw_bt_api.h @ 463:712c5cc0b2a9

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doc/Handset-goal: update for the current situation
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 20 Mar 2018 01:29:44 +0000
parents e8ddbb0837ed
children
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1 /*******************************************************************************\
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2 * *
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3 * TEXAS INSTRUMENTS ISRAEL PROPRIETARY AND CONFIDENTIAL INFORMATION *
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4 * *
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5 * LEGAL NOTE: THE TRANSFER OF THE TECHNICAL INFORMATION IS BEING MADE *
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6 * UNDER AN EXPORT LICENSE ISSUED BY THE ISRAELI GOVERNMENT AND THAT THE *
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7 * APPLICABLE EXPORT LICENSE DOES NOT ALLOW THE TECHNICAL INFORMATION TO *
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8 * BE USED FOR THE MODIFICATION OF THE BT ENCRYPTION OR THE DEVELOPMENT *
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9 * OF ANY NEW ENCRYPTION. THE INFORMATION CAN BE USED FOR THE INTERNAL *
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10 * DESIGN AND MANUFACTURE OF TI PRODUCTS THAT WILL CONTAIN THE BT IC. *
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11 * *
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12 \*******************************************************************************/
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13 /*******************************************************************************\
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14 *
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15 * FILE NAME: mfw_bt_api.h
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16 *
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17 * DESCRIPTION: This file defines the API between BMI (MMI) and BT applications
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18 *
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19 * AUTHOR: Uzi Doron
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20 *
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21 * Rev 0.2
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22 *
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23 \*******************************************************************************/
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24
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25
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26 #ifndef __MFW_BT_API
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27 #define __MFW_BT_API
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28 /**********************************************/
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29 /* */
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30 /* */
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31 /* from here on - events from BMI to BT */
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32 /* */
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33 /* */
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34 /**********************************************/
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35
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36 /*-------------------------------------------------------------------------------
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37 * BmiAvEvent type
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38 *
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39 * Defines Audio/Video events initiated by MMI side.
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40 * These events will be sent from BMI to BT
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41 *
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42 */
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43 typedef enum
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44 {
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45 BMI_EVENT_USER_PLAY = 0x0001, /* user pressed Play on handset */
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46 BMI_EVENT_USER_STOP, /* user pressed Stop on handset */
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47 BMI_EVENT_USER_PAUSE, /* user pressed Pause on handset */
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48 BMI_EVENT_USER_RESUME, /* user pressed Resume on handset */
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49 BMI_EVENT_TRACK_START, /* a track is starting to play */
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50 BMI_EVENT_TRACK_END /* a track ended playing */
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51 }BmiAvEvent;
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52
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53 /*-------------------------------------------------------------------------------
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54 * BmiEventCallback type
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55 *
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56 * A callback function, implemented at BT application, that will be called by
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57 * BMI to send events (of type BmiAvEvent) to BT. BMI will be able to send events
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58 * after BT has registered such an event callback function
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59 *
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60 * At BT side the function prototype will look like:
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61 * void BT_NotifyBmiEvent(BmiAvEvent event);
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62 *
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63 * NOTE: Since the callback is called from BMI context, the BT application should
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64 * not spend considerable time in this function. In case significant processing
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65 * time and/or asynchronous activity is required as a result of calling this function,
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66 * the BT application should switch to its own context to perform this activity.
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67 * It must not block the BMI application.
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68 */
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69 typedef void (*BmiEventCallback)(BmiAvEvent event);
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70
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71 /*-------------------------------------------------------------------------------
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72 * BMI_RegisterEventCallback()
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73 *
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74 * BT application will call this function to register an event callback
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75 * function with BMI.
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76 *
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77 * Parameters:
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78 * eventCallback [in] - pointer of the callback function. if this parameter is
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79 * NULL (0), BMI should not try to make callbacks.
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80 *
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81 * Returns:
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82 * void
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83 *
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84 */
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85 void BMI_RegisterEventCallback(BmiEventCallback eventCallback);
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86
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87
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88
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89 /**********************************************/
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90 /* */
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91 /* */
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92 /* from here on - events from BT to BMI */
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93 /* */
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94 /* */
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95 /**********************************************/
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96
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97 /*-------------------------------------------------------------------------------
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98 * BtAppEvent type
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99 *
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100 * Defines events initiated by BT side.
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101 * These events will be sent from BT to BMI
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102 */
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103 typedef enum
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104 {
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105 BT_EVENT_USER_PLAY = 0x0044, /* user pressed Play on BT headset */
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106 BT_EVENT_USER_STOP, /* user pressed Stop on BT headset */
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107 BT_EVENT_USER_PAUSE /* user pressed Pause on BT headset */
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108 }BtAppEvent;
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109
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110 /*-------------------------------------------------------------------------------
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111 * BMI_NotifyBtEvent()
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112 *
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113 * Notify the BMI about an A/V event initiated at BT side.
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114 * This function is implemented in the BMI application and used by the BT application.
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115 *
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116 * NOTE: Since it is called from BT context, the BMI application should not spend
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117 * considerable time in this function. In case significant processing time and/or
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118 * asynchronous activity is required as a result of calling this function, the BMI
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119 * application should switch to its own context to perform this activity. It must
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120 * not block the BT application.
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121 *
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122 * Parameters:
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123 * event [in] - the reported event
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124 *
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125 * Returns:
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126 * void
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127 *
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128 */
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129 void BMI_NotifyBtEvent(BtAppEvent event);
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130
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131 /*-------------------------------------------------------------------------------
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132 * BMI_SwitchAudioToBtHeadset()
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133 *
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134 * Connect or disconnect the audio output to BT headset.
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135 * BT will call this function to let BMI know an A2DP link to a wireless headset
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136 * has been connected (and is in Open state), or disconnected.
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137 *
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138 * When link is connected, BMI will decide whether it wants to
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139 * direct the audio output to the wireless headset.
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140 *
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141 * Parameters:
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142 * connected [in] - whether the link has just been connected or disconnected:
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143 * TRUE - connected
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144 * FALSE - disconnected
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145 *
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146 * Returns:
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147 * when connect parameter is TRUE:
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148 * - return TRUE when BMI approves and will use A2DP headset as the audio output
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149 * - return FALSE when BMI rejects using A2DP headset as the audio output
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150 *
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151 * when connect parameter is FALSE - returned value is ignored
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152 *
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153 */
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154 BOOL BMI_SwitchAudioToBtHeadset(BOOL connected);
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155 #endif /* __MFWE_BT_API */
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156