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annotate src/cs/services/tty/tty_api.c @ 133:118c25581538

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doc/Compiling: TRACEMASK_IN_FFS config var addition documented
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 19 Nov 2018 07:19:05 +0000
parents b6a5e36de839
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /**
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2 * @file tut_api.c
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3 *
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4 * API for TTY SWE.
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5 *
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6 * @author Frederic Turgis (f-turgis@ti.com) & Gerard Cauvy (g-cauvy@ti.com)
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7 * @version 0.1
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8 */
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9
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10 /*
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11 * History:
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12 *
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13 * Date Modification
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14 * ------------------------------------
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15 * 01/27/2003 Create
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16 *
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17 * (C) Copyright 2003 by Texas Instruments Incorporated, All Rights Reserved
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18 */
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19
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20 #ifndef _WINDOWS
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21 #include "config/l1sw.cfg"
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22 #endif
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23
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24 #include "tty/tty_i.h"
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25
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26 #include "tty/tty_api.h"
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27 #include "audio/audio_structs_i.h"
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28 #include "audio/audio_const_i.h"
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29
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30 /* External declaration */
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31 extern T_AUDIO_ENV_CTRL_BLK* p_audio_gbl_var;
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32
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33 /********************************************************************************/
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34 /* */
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35 /* Function Name: audio_tty_set_config */
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36 /* */
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37 /* Purpose: This function is called to configure TTY. Currently, only */
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38 /* supports start and stop */
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39 /* */
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40 /* Input Parameters: */
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41 /* TTY configuration */
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42 /* Return path. */
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43 /* */
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44 /* Output Parameters: */
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45 /* Validation of the parameters. */
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46 /* */
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47 /* Note: */
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48 /* None. */
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49 /* */
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50 /* Revision History: */
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51 /* None. */
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52 /* */
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53 /********************************************************************************/
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54 T_AUDIO_RET audio_tty_set_config (T_AUDIO_TTY_CONFIG_PARAMETER *parameter, T_RV_RETURN *return_path)
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55 {
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56 #if (L1_GTT == 1)
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57 /* Declare local variables. */
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58 T_RVF_MB_STATUS mb_status = RVF_GREEN;
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59 T_RV_HDR *p_msg = NULL;
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60
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61 /************************ audio_tty_set_config function begins ******************/
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62 if (p_audio_gbl_var == NULL )
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63 {
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64 TTY_SEND_TRACE("TTY: Error Audio SWE not started ",RV_TRACE_LEVEL_ERROR);
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65 return(AUDIO_ERROR);
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66 }
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67
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68 /* If bad parameters, then report an error and abort.*/
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69 if ( (parameter->Mode != TTY_STOP)&&
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70 (parameter->Mode != TTY_EXT_START))
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71 {
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72 TTY_SEND_TRACE("TTY: Error bad parameters ",RV_TRACE_LEVEL_ERROR);
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73 return (AUDIO_ERROR);
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74 }
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75
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76 switch (parameter->Mode)
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77 {
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78 case TTY_EXT_START:
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79 {
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80 /* allocate the memory for the message to send */
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81 mb_status = rvf_get_buf (p_audio_gbl_var->mb_external,
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82 sizeof (T_TTY_START),
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83 (T_RVF_BUFFER **) (&p_msg));
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84 }
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85 break;
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86 case TTY_STOP:
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87 {
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88 /* allocate the memory for the message to send */
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89 mb_status = rvf_get_buf (p_audio_gbl_var->mb_external,
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90 sizeof (T_TTY_STOP),
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91 (T_RVF_BUFFER **) (&p_msg));
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92 }
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93 break;
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94 }
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95
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96 /* If insufficient resources, then report a memory error and abort. */
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97 if (mb_status == RVF_YELLOW)
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98 {
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99 /* deallocate the memory */
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100 rvf_free_buf((T_RVF_BUFFER *)p_msg);
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101 TTY_SEND_TRACE("TTY: Not Enough Memory (Yellow!) ",RV_TRACE_LEVEL_ERROR);
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102 return (AUDIO_ERROR);
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103 }
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104 else
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105 if (mb_status == RVF_RED)
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106 {
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107 TTY_SEND_TRACE("TTY: Not Enough Memory (Red!) ",RV_TRACE_LEVEL_ERROR);
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108 return (AUDIO_ERROR);
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109 }
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110
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111 /* fill the message id + parameters */
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112 switch (parameter->Mode)
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113 {
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114 case TTY_EXT_START:
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115 p_msg->msg_id = TTY_START_REQ;
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116
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117 if (return_path->callback_func == NULL)
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118 {
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119 ((T_TTY_START *)p_msg)->return_path.addr_id = return_path->addr_id;
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120 ((T_TTY_START *)p_msg)->return_path.callback_func = NULL;
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121 }
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122 else
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123 {
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124 ((T_TTY_START *)p_msg)->return_path.callback_func = return_path->callback_func;
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125 }
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126 break;
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127 case TTY_STOP:
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128 p_msg->msg_id = TTY_STOP_REQ;
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129 break;
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130 }
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131
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132 /* fill the address source id */
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133 p_msg->src_addr_id = rvf_get_taskid();
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134 p_msg->dest_addr_id = p_audio_gbl_var->addrId;
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135
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 /* send the messsage to the audio entity */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137 rvf_send_msg (p_audio_gbl_var->addrId, p_msg);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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139 return (AUDIO_OK);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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140
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 #else // L1_GTT
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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142
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 TTY_SEND_TRACE("TTY API not available ", RV_TRACE_LEVEL_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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144 return (AUDIO_ERROR);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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145
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 #endif
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 }