FreeCalypso > hg > fc-magnetite

annotate src/g23m-aci/gdd_dio/gdd_sys.h @ 598:717ed17d82c6

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aci3 vocoder control revamped, AT@VSEL now works as it should The vocoder control code (hl_audio_drv.c) that came with the TCS3 version of ACI was totally broken in the Calypso config (VOCODER_FUNC_INTERFACE) and worked in the standard analog voice environment only by luck. This code has now been rewritten to work correctly with our Calypso platform and TCS211 L1, and our new AT@VSEL mechanism (automatic enabling and disabling of MCSI voice path as the modem enters and exits the voice call state) now also works as designed.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 23:44:35 +0000
parents 53929b40109c
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GSM-F&D (8411)
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4 | Modul : gdd_sys.h
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2005 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : API for limited system functionality offered to application
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18 | domain libraries.
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19 +-----------------------------------------------------------------------------
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20 */
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21
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22 #ifndef GDD_SYS_H
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23 #define GDD_SYS_H
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24
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25 /*==== DEFINITIONS ==========================================================*/
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26
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27 typedef int T_GDD_SEM;
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30 /*==== DYNAMIC MEMORY FUNCTIONS =============================================*/
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32
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33 /*
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34 +------------------------------------------------------------------------------
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35 | Function : gdd_sys_mem_malloc
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36 +------------------------------------------------------------------------------
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37 | Description : Allocate memory.
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38 |
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39 | Parameters : size - Size of memory required.
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40 |
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41 | Return : Pointer to first byte of allocated memory.
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42 | 0 if allocation failed.
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43 +------------------------------------------------------------------------------
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44 */
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45 void * gdd_sys_mem_malloc(int size);
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46
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47
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48 /*
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49 +------------------------------------------------------------------------------
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50 | Function : gdd_sys_mem_free
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51 +------------------------------------------------------------------------------
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52 | Description : Release memory which was previously allocated.
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53 |
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54 | Parameters : p - Pointer to memory to be deallocated
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55 +------------------------------------------------------------------------------
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56 */
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57 void gdd_sys_mem_free(void * p);
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58
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59
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60 /*==== SEMAPHORE FUNCTIONS ==================================================*/
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61
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62
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63 /*
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64 +------------------------------------------------------------------------------
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65 | Function : gdd_sys_sem_open
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66 +------------------------------------------------------------------------------
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67 | Description : Opens a (counting) semaphore specified by its name. If the
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68 | semaphore does not exist, it will be created with the initial
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69 | count given. If the semaphore already exists the parameter count
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70 | will be ignored.
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71 |
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72 | Parameters : name - Some name to identify the semaphore
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73 | count - initial count (e.g. 1 for a binary sem.)
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74 |
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75 | Return : Returns handle to created semaphore, or -1 if an error occured.
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76 +------------------------------------------------------------------------------
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77 */
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78 T_GDD_SEM gdd_sys_sem_open(char * name, unsigned short count);
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79
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80
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81 /*
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82 +------------------------------------------------------------------------------
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83 | Function : gdd_sys_sem_close
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84 +------------------------------------------------------------------------------
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85 | Description : Closes a semaphore
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86 |
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87 | Parameters : sem - handle of semaphore
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88 |
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89 | Return : 0 = succees
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90 | 1 = error
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91 +------------------------------------------------------------------------------
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92 */
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93 int gdd_sys_sem_close(T_GDD_SEM sem);
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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 | Function : gdd_sys_sem_down
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99 +------------------------------------------------------------------------------
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100 | Description : This functions obtains the specified semaphore, i.e.
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101 | the counter is decremented, if it is greater than zero.
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102 | If the counter is equal to zero, than the calling task is
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103 | suspended until the counter is incremented by another task.
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104 | If the caller is a non-task thread the function returns
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105 | immediately regardless if the request can be satisfied or not.
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106 | In this case, -1 is returned if the counter was already zero.
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107 |
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108 | Parameters : sem - handle of semaphore
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109 |
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110 | Return : 0 = succees
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111 | 1 = error
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112 +------------------------------------------------------------------------------
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113 */
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114 int gdd_sys_sem_down(T_GDD_SEM sem);
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115
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116
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117 /*
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118 +------------------------------------------------------------------------------
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119 | Function : gdd_sys_sem_down
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120 +------------------------------------------------------------------------------
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121 | Description : Releases a semaphore, i.e. counter is incremented.
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122 |
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123 | Parameters : sem - handle of semaphore
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124 |
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125 | Return : 0 = succees
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126 | 1 = error
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127 +------------------------------------------------------------------------------
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128 */
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129 int gdd_sys_sem_up(T_GDD_SEM sem);
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130
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131
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132 /*
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133 +------------------------------------------------------------------------------
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134 | Function : gdd_sys_sem_status
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135 +------------------------------------------------------------------------------
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136 | Description : Query (obtain) the counter of a semaphore.
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137 |
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138 | Parameters : sem - handle of semaphore
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139 | count - output variable to pass back the counter
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140 |
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141 | Return : 0 = succees
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142 | 1 = error
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143 +------------------------------------------------------------------------------
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144 */
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145 int gdd_sys_sem_status(T_GDD_SEM sem, /*out*/ unsigned short * count);
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146
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147
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148 #endif /* GDD_SYS_H */