FreeCalypso > hg > fc-selenite
annotate src/g23m-gprs/sndcp/sndcp_suf.c @ 158:8fe0cde2fd79
doc/Compiling: update for SE J100 target and fc-host-tools-r10
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 17 Mar 2019 07:20:28 +0000 |
parents | d393cd9bb723 |
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1
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : GPRS (8441) |
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4 | Modul : sndcp_suf.c |
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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 modul is part of the entity SNDCP and implements all |
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18 | procedures and functions as described in the |
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19 | SDL-documentation (SU-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 /*---- HISTORY --------------------------------------------------------------*/ |
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24 |
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25 #define ENTITY_SNDCP |
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26 |
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27 /*==== INCLUDES =============================================================*/ |
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28 |
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29 #include "typedefs.h" /* to get Condat data types */ |
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30 #include "vsi.h" /* to get a lot of macros */ |
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31 #include "macdef.h" |
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32 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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33 |
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34 #include "dti.h" |
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35 |
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36 #include "sndcp.h" /* to get the global entity definitions */ |
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37 #include "sndcp_f.h" /* to get the functions to access the global arrays*/ |
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38 |
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39 #include "sndcp_nus.h" /* to get signals to service nu */ |
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40 #include "sndcp_cias.h" /* to get signals to service cia */ |
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41 |
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42 /*==== CONST ================================================================*/ |
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43 |
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44 /*==== LOCAL VARS ===========================================================*/ |
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45 |
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46 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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47 |
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48 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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49 #ifdef _SNDCP_DTI_2_ |
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50 |
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51 /* |
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52 +------------------------------------------------------------------------------ |
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53 | Function : su_get_nsapi |
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54 +------------------------------------------------------------------------------ |
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55 | Description : finde the affected nsapi in sn-PDU. |
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56 | |
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57 | Parameters : ll_unitdata_req* |
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58 | Returns : the nsapi |
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59 | |
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60 +------------------------------------------------------------------------------ |
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61 */ |
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62 GLOBAL U8 su_get_nsapi (T_LL_UNITDESC_REQ* ll_unitdesc_req) |
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63 { |
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64 T_desc3* desc3 = NULL; |
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65 U8 * sndcp_header = NULL; |
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66 |
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67 /* Get the descriptor describing the memory area with the sndcp header */ |
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68 |
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69 desc3 = (T_desc3*)ll_unitdesc_req->desc_list3.first; |
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70 sndcp_header = (U8*)desc3->buffer; |
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71 |
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72 TRACE_FUNCTION( "su_get_nsapi" ); |
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73 |
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74 return (*(sndcp_header + ENCODE_OFFSET_BYTE)) & 0xf; |
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75 } /* sua_get_nsapi() */ |
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76 |
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77 #else /* _SNDCP_DTI_2_ */ |
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78 |
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79 /* |
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80 +------------------------------------------------------------------------------ |
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81 | Function : su_get_nsapi |
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82 +------------------------------------------------------------------------------ |
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83 | Description : finde the affected nsapi in sn-PDU. |
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84 | |
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85 | Parameters : ll_unitdata_req* |
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86 | Returns : the nsapi |
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87 | |
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88 +------------------------------------------------------------------------------ |
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89 */ |
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90 GLOBAL UBYTE su_get_nsapi (T_LL_UNITDATA_REQ* ll_unitdata_req) |
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91 { |
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92 USHORT octet_offset = (ll_unitdata_req->sdu.o_buf) >> 3; |
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93 |
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94 TRACE_FUNCTION( "su_get_nsapi" ); |
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95 |
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96 return ll_unitdata_req->sdu.buf[octet_offset] & 0xf; |
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97 |
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98 } /* su_get_nsapi() */ |
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99 |
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100 #endif /* _SNDCP_DTI_2_ */ |
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101 |
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102 /* |
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103 +------------------------------------------------------------------------------ |
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104 | Function : su_init |
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105 +------------------------------------------------------------------------------ |
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106 | Description : The function su_init() .... |
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107 | |
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108 | Parameters : |
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109 | |
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110 +------------------------------------------------------------------------------ |
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111 */ |
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112 GLOBAL void su_init (void) |
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113 { |
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114 TRACE_FUNCTION( "su_init" ); |
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115 |
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116 /* |
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117 * Not initialized: |
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118 * Members of sn_unitdata_q are not set to NULL. |
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119 * Members of npdu_number_q are not set to 0. |
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120 * Members of ll_unitdata_q are not set to NULL. |
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121 */ |
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122 |
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123 sndcp_data->su = & sndcp_data->su_base[0]; |
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124 INIT_STATE(SU_0, SU_LLC_NOT_RECEPTIVE); |
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125 #ifdef SNDCP_2to1 |
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126 sndcp_data->su->sapi = PS_SAPI_3; |
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127 #else |
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128 sndcp_data->su->sapi = LL_SAPI_3; |
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129 #endif /*SNDCP_2to1*/ |
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130 |
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131 sndcp_data->su = & sndcp_data->su_base[1]; |
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132 INIT_STATE(SU_1, SU_LLC_NOT_RECEPTIVE); |
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133 #ifdef SNDCP_2to1 |
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134 sndcp_data->su->sapi = PS_SAPI_5; |
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135 #else |
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136 sndcp_data->su->sapi = LL_SAPI_5; |
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137 #endif /*SNDCP_2to1*/ |
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138 |
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139 sndcp_data->su = & sndcp_data->su_base[2]; |
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140 INIT_STATE(SU_2, SU_LLC_NOT_RECEPTIVE); |
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141 #ifdef SNDCP_2to1 |
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142 sndcp_data->su->sapi = PS_SAPI_9; |
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143 #else |
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144 sndcp_data->su->sapi = LL_SAPI_9; |
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145 #endif /*SNDCP_2to1*/ |
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146 |
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147 sndcp_data->su = & sndcp_data->su_base[3]; |
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148 INIT_STATE(SU_3, SU_LLC_NOT_RECEPTIVE); |
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149 #ifdef SNDCP_2to1 |
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150 sndcp_data->su->sapi = PS_SAPI_11; |
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151 #else |
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152 sndcp_data->su->sapi = LL_SAPI_11; |
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153 #endif /*SNDCP_2to1*/ |
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154 { |
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155 UBYTE sapi_index = 0; |
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156 |
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157 for (sapi_index = 0; sapi_index < SNDCP_NUMBER_OF_SAPIS; sapi_index++) { |
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158 sndcp_data->su = & sndcp_data->su_base[sapi_index]; |
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159 sndcp_data->su->n201_u = N201_U_DEFAULT; |
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160 sndcp_data->su->sn_unitdata_q_read = 0; |
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161 sndcp_data->su->sn_unitdata_q_write = 0; |
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162 #ifdef _SNDCP_DTI_2_ |
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163 sndcp_data->su->ll_unitdesc_q_read = 0; |
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164 sndcp_data->su->ll_unitdesc_q_write = 0; |
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165 #else /* _SNDCP_DTI_2_ */ |
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166 sndcp_data->su->ll_unitdata_q_read = 0; |
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167 sndcp_data->su->ll_unitdata_q_write = 0; |
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168 #endif /* _SNDCP_DTI_2_ */ |
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169 sndcp_data->su->cia_state = CIA_IDLE; |
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170 } |
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171 } |
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172 |
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173 |
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174 |
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175 } /* su_init() */ |
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176 |
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177 |
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178 /* |
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179 +------------------------------------------------------------------------------ |
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180 | Function : su_next_sn_unitdata_req |
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181 +------------------------------------------------------------------------------ |
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182 | Description : If queue with sn_unitdata_req is |
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183 | not empty, send SIG_SU_CIA_DATA_REQ with next prim from sn_unitdata_req queue |
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184 | |
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185 | Parameters : sapi |
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186 | Pre : cia_state == CIA_IDLE |
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187 | |
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188 +------------------------------------------------------------------------------ |
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189 */ |
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190 GLOBAL void su_next_sn_unitdata_req (UBYTE sapi) |
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191 { |
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192 TRACE_FUNCTION( "su_next_sn_unitdata_req" ); |
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193 |
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194 if (sndcp_data->su->sn_unitdata_q_write != |
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195 sndcp_data->su->sn_unitdata_q_read) { |
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196 /* |
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197 * Get sn_unitdata_req from queue. |
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198 */ |
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199 T_SN_UNITDATA_REQ* sn_unitdata_req = |
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200 sndcp_data->su->sn_unitdata_q[sndcp_data->su->sn_unitdata_q_read]; |
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201 /* |
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202 * Get npdu_number from queue. |
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203 */ |
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204 USHORT npdu_num = |
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205 sndcp_data->su->npdu_number_q[sndcp_data->su->sn_unitdata_q_read]; |
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206 UBYTE nsapi = sn_unitdata_req->nsapi; |
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207 |
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208 sndcp_data->su->sn_unitdata_q[sndcp_data->su->sn_unitdata_q_read] = NULL; |
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209 sndcp_data->su->sn_unitdata_q_read = |
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210 (sndcp_data->su->sn_unitdata_q_read + 1 ) % SN_UNITDATA_Q_LEN; |
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211 |
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212 /* |
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213 * Cia is now busy. Send data. |
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214 */ |
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215 sndcp_data->su->cia_state = CIA_BUSY; |
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216 sig_su_cia_cia_comp_req(sn_unitdata_req, |
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217 npdu_num, |
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218 nsapi, |
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219 sapi); |
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220 } else if (sndcp_data->su->cia_state == CIA_IDLE) { |
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221 UBYTE nsapi = 0; |
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222 |
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223 for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi++) { |
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224 UBYTE used_sapi = 0; |
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225 BOOL used = FALSE; |
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226 |
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227 sndcp_is_nsapi_used(nsapi, &used); |
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228 if (used) { |
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229 sndcp_get_nsapi_sapi(nsapi, &used_sapi); |
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230 if (used_sapi == sapi) { |
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231 sig_su_nu_ready_ind(nsapi); |
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232 } |
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233 } |
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234 } |
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235 } |
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236 |
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238 } /* su_next_sn_unitdata_req() */ |
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239 |