FreeCalypso > hg > fc-tourmaline

annotate src/ui/mfw/mfw_bt_api.h @ 75:8697f358f505

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backlight rework: Condat light driver accepts levels The present change is another intermediate step on the path toward new FreeCalypso backlight handling. At this intermediate step the Condat light driver accepts 0-255 backlight levels driven by MFW, and puts them out on PWL on Luna development boards. At the same time on C139 it is now possible to turn on the display backlight with or without the keypad bl - the lsb of the 0-255 backlight level controls the keypad bl. MFW presently drives only 0 and 255 backlight levels, thus there is no visible behavioral change yet - but the plan for subsequent stages of this backlight rework is to add a dimmed backlight state (no keypad bl on C139) during active calls.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 20:44:04 +0000
parents 67bfe9f274f6
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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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