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annotate src/g23m-fad/app/app_util.c @ 303:f76436d19a7a default tip

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!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>
date Thu, 08 Jun 2023 08:23:37 +0000
parents fa8dc04885d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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1 /*
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2 +------------------------------------------------------------------------------
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3 | File: app_cmds.c
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4 +------------------------------------------------------------------------------
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5 | Copyright 2004 Texas Instruments Berlin, AG
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Berlin, AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Berlin, AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : Utilities and stuff common for the different test parts
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17 +-----------------------------------------------------------------------------
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18 */
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19
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20
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21 #define APP_UTIL_C
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22
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23 /*==== INCLUDES =============================================================*/
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24
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25 #include "app_util.h"
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26
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27 #include <string.h> /* String functions, e. g. strncpy(). */
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28 #include <ctype.h>
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29 #include <stdlib.h>
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30 #ifndef _SIMULATION_
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31 #endif /* _SIMULATION_ */
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32 #include "vsi.h" /* A lot of macros. */
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33 #ifndef _SIMULATION_
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34 #include "custom.h"
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35 #include "gsm.h" /* A lot of macros. */
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36 #include "tools.h" /* Common tools. */
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37 #endif /* _SIMULATION_ */
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38
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39 /*==== Local defines =========================================================*/
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40
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41 #define MAX_TOKENS 4 /* Maximum number of tokens to search for;
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42 * first token is the command name, last token
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43 * the rest of the line. */
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44 /*==== Local functions =======================================================*/
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45
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46 static char **tokenize_cmd(char *command)
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47 {
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48 /* Three tokens will be enough: command name, parameter 1, parameter 2. Empty
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49 * tokens will be NULL. */
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50 static char *cmd_token[MAX_TOKENS] ;
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51 char *cur ; /* Pointer to current character. */
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52
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53 int cur_tok ; /* Current token number. */
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54
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55
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56 cur = command ;
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57 cur_tok = 0 ;
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58 do
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59 {
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60 while (isspace(*cur)) /* FALSE also for NUl character. */
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61 {
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62 cur++ ; /* Skip whitespace. */
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63 }
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64 if (!*cur) /* String terminated. */
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65 {
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66 cmd_token[cur_tok] = 0 ; /* No token here and stop. */
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67 break ;
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68 }
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69 cmd_token[cur_tok++] = cur ;
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70 cmd_token[cur_tok] = 0 ;
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71 while (*cur && !isspace(*cur))
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72 {
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73 cur++ ; /* Skip non-whitespace. */
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74 }
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75 if (*cur) *cur++ = 0 ; /* Zero-terminate token if not end of string. */
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76 }
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77 while (cur_tok < MAX_TOKENS) ;
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78
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79 return cmd_token ;
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80 }
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81
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82 char *string_to_lower(char *s)
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83 {
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84 char *tmp ;
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85
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86 for (tmp = s; *tmp; tmp++)
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87 {
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88 *tmp = tolower(*tmp) ;
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89 }
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90 return s ;
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91 }
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92
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93 /*==== Exported functions ====================================================*/
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94
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95 /** Parse a command and execute it if it is valid. Return appropriate error
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96 * message if the command is invalid or fails.
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97 *
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98 * @param command command line to execute
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99 * @return an error message or NULL on success
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100 */
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101 char *app_handle_command(char *command, app_cmd_entry_t * cmd_table)
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102 {
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103 char **tokened_cmd ; /* Tokenized command line. */
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104 int cmd_index ;
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105
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106 TRACE_FUNCTION("app_handle_command()") ;
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107
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108 tokened_cmd = tokenize_cmd(command) ;
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109 if (!tokened_cmd[0])
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110 {
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111 return "ERROR: empty command line" ;
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112 }
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113
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114 string_to_lower(tokened_cmd[0]) ; /* convert to lower char */
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115 cmd_index = 0 ;
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116 while (cmd_table[cmd_index].cmd_name)
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117 {
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118 if (!strcmp(tokened_cmd[0], cmd_table[cmd_index].cmd_name))
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119 {
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120 TRACE_EVENT_P4("Call %s(%s, %s, %s)", cmd_table[cmd_index].cmd_name,
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121 tokened_cmd[1] ? tokened_cmd[1] : "(null)",
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122 tokened_cmd[2] ? tokened_cmd[2] : "(null)",
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123 tokened_cmd[3] ? tokened_cmd[3] : "(null)") ;
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124 return cmd_table[cmd_index].cmd_func(&cmd_table[cmd_index],
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125 tokened_cmd[1],
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126 tokened_cmd[2],
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127 tokened_cmd[3],
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128 cmd_table[cmd_index].core_func) ;
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129 }
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130 cmd_index++ ;
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131 }
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132 return "ERROR: command not recognized" ;
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133 }
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134
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135
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136
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137 /**
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138 * Convert a string into an integer.
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139 * If not possibly, assume the default value.
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140 */
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141 int get_item(char *param, int default_item, BOOL can_null)
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142 {
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143 U32 item = default_item;
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144 if (param)
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145 {
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146 item = atoi(param);
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147 if (!can_null AND item EQ 0)
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148 {
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149 TRACE_EVENT("WARNING: item is 0, setting to default");
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150 item = default_item;
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151 }
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152 }
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153 return item;
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154 }
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155
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156
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157 /* This is onoy for the case that the macro UI_TRACE() is undefined, in which
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158 * case the linker bemoans it as missing. */
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159
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160 /* EOF */