FreeCalypso > hg > fc-tourmaline
annotate src/cs/services/tty/tty_api.c @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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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 } |