FreeCalypso > hg > fc-tourmaline
annotate src/cs/services/tty/tty_api.c @ 19:aa868a5dcfd7
blobs: very few!
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 07:38:28 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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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 |
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136 /* send the messsage to the audio entity */ |
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137 rvf_send_msg (p_audio_gbl_var->addrId, p_msg); |
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138 |
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139 return (AUDIO_OK); |
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140 |
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141 #else // L1_GTT |
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142 |
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143 TTY_SEND_TRACE("TTY API not available ", RV_TRACE_LEVEL_ERROR); |
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144 return (AUDIO_ERROR); |
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145 |
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146 #endif |
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147 } |