FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/g23m-gsm/dl/dl_em.c @ 770:20a2e453564c
ss_for.c compiles
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 12 Oct 2014 00:46:24 +0000 |
parents | b111f8e4aef3 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 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 : This Module defines the engineering mode (EM) device driver for the |
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18 | G23 protocol stack. This driver is used to control all engineering |
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19 | mode related functions. |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef DL_EM_C |
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24 #define DL_EM_C |
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25 |
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26 #include "config.h" |
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27 #include "fixedconf.h" |
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28 #include "condat-features.h" |
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29 |
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30 #define ENTITY_DL |
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31 |
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32 /*==== INCLUDES ===================================================*/ |
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33 #include "typedefs.h" |
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34 #include <string.h> |
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35 #include "pconst.cdg" |
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36 #include "vsi.h" |
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37 #include "pconst.cdg" |
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38 #include "custom.h" |
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39 #include "gsm.h" |
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40 #include "mon_dl.h" |
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41 #include "prim.h" |
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42 #include "pei.h" |
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43 #include "tok.h" |
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44 #include "ccdapi.h" |
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45 #include "dl.h" |
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46 #include "dl_em.h" |
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47 |
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48 #ifdef FF_EM_MODE |
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49 #ifdef _SIMULATION_ |
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50 #pragma message("this build includes engineering mode (FF_EM_MODE)") |
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51 #endif |
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52 |
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53 /*==== EXPORT =====================================================*/ |
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54 /* |
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55 * These variables are used between entities. Even this is not a clean solution |
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56 * it is a straigth forward way to reduce the overhead to a minimum. A clean |
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57 * solution would be based on an only usage of primitives which would stress |
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58 * the OS without aditional advantage!! |
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59 */ |
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60 GLOBAL UBYTE em_dl_sem_buffer [EM_DL_SEM_SIZE]; |
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61 GLOBAL UBYTE em_dl_sem_index = 0; |
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62 GLOBAL UBYTE em_dl_sem_read_index = 0; |
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63 |
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64 /* Event tracing flags for EM */ |
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65 GLOBAL BOOL dl_v[EM_MAX_DL_EVENTS]; |
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66 |
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67 /*==== PRIVAT =====================================================*/ |
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68 static T_HANDLE sem_EM_DL; |
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69 static UBYTE em_dl_trace_occured; |
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70 |
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71 #if !defined(INVOKE_SIGNAL) |
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72 LOCAL UBYTE em_dl_write (UBYTE length, UBYTE * data); |
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73 LOCAL void dl_em_first_event_check(void);/*for ACI notification of first EM event*/ |
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74 #endif /* !INVOKE_SIGNAL */ |
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75 |
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76 /*==== VARIABLES ==================================================*/ |
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77 |
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78 |
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79 |
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80 /* |
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81 +------------------------------------------------------------------------------ |
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82 | Function : dl_em_buffer_4 |
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83 +------------------------------------------------------------------------------ |
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84 | Description : Perform buffer check and store corresponding data in it. |
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85 | |
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86 | Parameters : Event number, data value1, data value2 |
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87 | |
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88 | Return : TRUE/FALSE |
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89 | |
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90 +------------------------------------------------------------------------------ |
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91 */ |
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92 |
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93 GLOBAL UBYTE em_write_buffer_4 (UBYTE event_no, UBYTE value1, UBYTE value2) |
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94 { |
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95 #define THIS_EM_BUFFER_LEN 4 |
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96 UBYTE em_dl_event_buffer[THIS_EM_BUFFER_LEN]; |
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97 |
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98 TRACE_EVENT_WIN ("em_write_buffer_4"); |
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99 |
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100 /* |
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101 ACI is informed about the first event trace, used for later data processing. |
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102 */ |
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103 |
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104 dl_em_first_event_check(); |
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105 |
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106 em_dl_event_buffer[0] = event_no; /* Event number */ |
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107 em_dl_event_buffer[1] = THIS_EM_BUFFER_LEN-2; /* Value length - 0 equals no data */ |
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108 em_dl_event_buffer[2] = value1; /* first data info */ |
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109 em_dl_event_buffer[3] = value2; /* second data info */ |
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110 |
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111 return ( em_dl_write (THIS_EM_BUFFER_LEN, em_dl_event_buffer) ); /* Data is stored inside buffer, reset flag */ |
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112 #undef THIS_EM_BUFFER_LEN |
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113 } |
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114 |
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115 /* |
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116 +------------------------------------------------------------------------------ |
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117 | Function : dl_em_write_buffer_5a |
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118 +------------------------------------------------------------------------------ |
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119 | Description : Perform buffer check and store corresponding data in it. |
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120 | |
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121 | Parameters : Event number, data value1, data value2, data cs (USHORT) |
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122 | |
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123 | Return : TRUE/FALSE |
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124 | |
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125 +------------------------------------------------------------------------------ |
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126 */ |
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127 |
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128 GLOBAL UBYTE em_write_buffer_5a (UBYTE event_no, UBYTE value1, UBYTE value2, USHORT cs) |
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129 { |
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130 #define THIS_EM_BUFFER_LEN 6 |
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131 UBYTE em_dl_event_buffer[THIS_EM_BUFFER_LEN]; |
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132 |
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133 TRACE_EVENT_WIN ("em_write_buffer_5a"); |
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134 |
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135 /* |
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136 ACI is informed about the first event trace, used for later data processing. |
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137 */ |
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138 dl_em_first_event_check(); |
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139 |
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140 em_dl_event_buffer[0] = event_no; /* Event number */ |
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141 em_dl_event_buffer[1] = THIS_EM_BUFFER_LEN-2; /* Value length - 0 equals no data */ |
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142 em_dl_event_buffer[2] = value1; /* first data info */ |
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143 em_dl_event_buffer[3] = value2; /* second data info */ |
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144 em_dl_event_buffer[4] = (UBYTE)(cs >> 8); /* Data to be stored - MSB first */ |
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145 em_dl_event_buffer[5] = (UBYTE)(cs); /* LSB second */ |
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146 |
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147 return ( em_dl_write (THIS_EM_BUFFER_LEN, em_dl_event_buffer) );/* Data is stored inside buffer, reset flag */ |
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148 #undef THIS_EM_BUFFER_LEN |
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149 } |
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150 |
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151 /* |
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152 +------------------------------------------------------------------------------ |
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153 | Function : em_init_dl_event_trace |
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154 +------------------------------------------------------------------------------ |
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155 | Description : Initialize the event tracing flags |
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156 | |
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157 | Parameters : |
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158 | |
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159 | Return : |
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160 | |
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161 +------------------------------------------------------------------------------ |
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162 */ |
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163 GLOBAL void em_init_dl_event_trace(void) |
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164 { |
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165 UBYTE i; |
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166 |
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167 TRACE_EVENT_WIN ("em_init_dl_event_trace"); |
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168 |
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169 for(i=1; i<EM_MAX_DL_EVENTS; i++) |
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170 { |
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171 dl_v[i] = 0; |
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172 } |
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173 } |
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174 |
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175 /* |
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176 +------------------------------------------------------------------------------ |
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177 | Function : dl_em_dl_event_req |
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178 +------------------------------------------------------------------------------ |
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179 | Description : Set the event tracing flags according the bitmask |
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180 | |
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181 | Parameters : Primitive - Bitmask |
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182 | |
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183 | Return : |
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184 | |
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185 +------------------------------------------------------------------------------ |
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186 */ |
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187 |
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188 GLOBAL void dl_em_dl_event_req (T_EM_DL_EVENT_REQ *em_dl_event_req) |
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189 { |
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190 UBYTE i; |
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191 |
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192 TRACE_EVENT_WIN_P1 ("dl_em_dl_event_req: bitmask_dl=%x", em_dl_event_req->bitmask_dl); |
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193 /* |
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194 * The event tracing flags are set according the bitmask. dl_v[i] are |
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195 * the flags belonging to the event number described in 8443.601 |
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196 */ |
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197 for(i=1; i<EM_MAX_DL_EVENTS; i++) |
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198 { |
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199 dl_v[i] = ((em_dl_event_req->bitmask_dl & (0x01<<(i-1))) > 0) ? TRUE : FALSE; |
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200 } |
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201 |
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202 /* |
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203 A new event trace is generated therefor the flag is set to 0. |
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204 */ |
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205 em_dl_trace_occured = 0; |
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206 |
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207 PFREE(em_dl_event_req); |
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208 } |
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209 |
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210 LOCAL void em_dl_sem_clear (void) |
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211 { |
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212 ENTER_CRITICAL_SECTION (sem_EM_DL); |
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213 em_dl_sem_index = em_dl_sem_read_index = 0; |
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214 LEAVE_CRITICAL_SECTION (sem_EM_DL); |
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215 |
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216 SYST_TRACE ("DL:em_dl_sem_index cleared"); |
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217 } |
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218 |
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219 GLOBAL void em_dl_sem_init (void) |
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220 { |
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221 sem_EM_DL = vsi_s_open (VSI_CALLER "EM_DL_SEM",1); |
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222 |
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223 if (sem_EM_DL NEQ VSI_ERROR) |
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224 { |
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225 em_dl_sem_clear (); |
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226 } |
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227 else |
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228 { |
707
b111f8e4aef3
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229 SYST_TRACE ("DL:can't open semaphore \"EM_DL_SEM\""); |
673
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230 } |
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231 |
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232 em_dl_trace_occured = 0; |
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233 } |
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234 |
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235 GLOBAL void em_dl_sem_exit (void) |
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236 { |
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237 if (sem_EM_DL NEQ VSI_ERROR) |
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238 vsi_s_close (VSI_CALLER sem_EM_DL); |
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239 } |
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240 |
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241 /* |
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242 To be able to read the dl-buffer from aci, em_dl_sem_read occupies the semaphor with ENTER_CRITICAL_SECTION. |
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243 After read process toke place the function em_dl_sem_clear must be called to open the semaphor again and |
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244 reset the read index. |
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245 */ |
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246 GLOBAL void em_dl_sem_reset (void) |
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247 { |
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248 /* |
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249 ENTER_CRITICAL_SECTION (sem_EM_DL); |
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250 */ |
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251 em_dl_sem_index = em_dl_sem_read_index = 0; |
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252 LEAVE_CRITICAL_SECTION (sem_EM_DL); |
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253 |
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254 SYST_TRACE ("DL:em_dl_sem_index reseted"); |
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255 } |
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256 |
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257 GLOBAL void em_dl_sem_read (void) |
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258 { |
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259 USHORT semCount; |
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260 TRACE_EVENT_WIN ( "em_dl_sem_read"); |
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261 |
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262 if (vsi_s_status (VSI_CALLER sem_EM_DL, &semCount) NEQ VSI_OK) |
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263 { |
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264 com_semaphore_err(); |
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265 return ; |
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266 } |
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267 if (semCount EQ 0) |
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268 { |
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269 SYST_TRACE ("DL:semCount == 0"); |
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270 return ; |
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271 } |
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272 ENTER_CRITICAL_SECTION (sem_EM_DL); |
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273 /* |
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274 The dl semaphor will be read by the engineering mode via aci, therefore the functions em_dl_sem_read |
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275 and em_dl_sem_reset are defined as global. To ensure that during reading only aci has access to |
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276 the semaphor the macro LEAVE_CRITICAL_SECTION is called after the read process toke place - |
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277 in the em_dl_sem_reset function. |
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278 */ |
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279 } |
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280 |
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281 /* |
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282 Return value TRUE/FALSE - TRUE keeps the event flag valid, FALSE indicates a successful flag handle |
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283 */ |
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284 #if defined(INVOKE_SIGNAL) |
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285 GLOBAL UBYTE em_dl_write (UBYTE length, UBYTE *data) |
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286 #else /* INVOKE_SIGNAL */ |
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287 LOCAL UBYTE em_dl_write (UBYTE length, UBYTE *data) |
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288 #endif /* INVOKE_SIGNAL */ |
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289 { |
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290 USHORT semCount; |
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291 GET_INSTANCE_DATA; |
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292 |
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293 TRACE_EVENT_WIN ("em_dl_write"); |
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294 |
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295 if (dl_data->interrupt_context) |
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296 { |
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297 sig_invoke_dl_em_write (length, data); |
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298 return FALSE; |
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299 } |
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300 |
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301 if (vsi_s_status (VSI_CALLER sem_EM_DL, &semCount) NEQ VSI_OK) |
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302 { |
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303 com_semaphore_err(); |
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304 return TRUE; |
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305 } |
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306 |
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307 if (semCount EQ 0) |
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308 { |
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309 TRACE_EVENT_WIN ("semCount == 0"); |
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310 return TRUE; |
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311 } |
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312 |
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313 /* |
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314 * buffer overflow protection - EM_DL_SEM_SIZE = 30 |
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315 */ |
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316 if ( (em_dl_sem_index + length) > EM_DL_SEM_SIZE ) |
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317 { |
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318 TRACE_EVENT_WIN ("dl em buffer full"); |
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319 return FALSE; |
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320 } |
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321 |
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322 if (com_enter_critical_section (sem_EM_DL)) |
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323 return TRUE; |
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324 |
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325 memcpy (&em_dl_sem_buffer[em_dl_sem_index], data, length); |
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326 em_dl_sem_index += length; |
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327 |
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328 com_leave_critical_section (sem_EM_DL); |
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329 return FALSE; /* indicates that flag was handled */ |
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330 } /* endfunc em_dl_write */ |
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331 |
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332 /* |
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333 +------------------------------------------------------------------------------ |
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334 | Function : dl_em_first_event_check() |
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335 +------------------------------------------------------------------------------ |
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336 | Description : Checks if first EM-Event ocured |
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337 | |
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338 | Parameters : None |
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339 | |
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340 | Return : None |
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341 | |
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342 +------------------------------------------------------------------------------ |
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343 */ |
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344 |
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345 /* |
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346 ACI is informed about the first event trace, used for later data processing. |
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347 */ |
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348 #if defined(INVOKE_SIGNAL) |
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349 GLOBAL void dl_em_first_event_check(void) |
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350 #else |
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351 LOCAL void dl_em_first_event_check(void) |
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352 #endif /* !INVOKE_SIGNAL */ |
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353 { |
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354 if(!em_dl_trace_occured) |
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355 { |
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356 |
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357 #if defined(INVOKE_SIGNAL) |
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358 GET_INSTANCE_DATA; |
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359 if (dl_data->interrupt_context) |
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360 { |
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361 sig_invoke_dl_em_first_event_check (); |
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362 return; |
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363 } |
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364 #endif /* INVOKE_SIGNAL */ |
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365 |
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366 TRACE_FUNCTION("dl_em_first_event_check()"); |
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367 |
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368 { |
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369 PALLOC(em_notification, EM_DATA_IND); |
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370 em_notification->entity = EM_DL; |
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371 PSENDX(MMI, em_notification); |
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372 } |
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373 |
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374 em_dl_trace_occured++; |
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375 } |
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376 } |
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377 |
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378 #endif /* FF_EM_MODE */ |
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379 |
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380 #endif /* DL_EM_C */ |