FreeCalypso > hg > fc-selenite
annotate src/g23m-gprs/sndcp/sndcp_suaf.c @ 211:4035c19073aa
etm_audio.c: fix off-by-one error in auw of FIR coefficients
This fix was already made in FC Tourmaline a while back, but it is also
the kind of bugfix that deserves to be backported to Magnetite and
Selenite as well.
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Mon, 31 Oct 2022 00:18:16 +0000 |
| parents | d393cd9bb723 |
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| rev | line source |
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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_suaf.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 (SUA-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 |
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24 #define ENTITY_SNDCP |
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25 |
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26 /*==== INCLUDES =============================================================*/ |
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27 |
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28 #include "typedefs.h" /* to get Condat data types */ |
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29 #include "vsi.h" /* to get a lot of macros */ |
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30 #include "macdef.h" |
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31 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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32 |
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33 #include "dti.h" |
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34 |
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35 #include "sndcp.h" /* to get the global entity definitions */ |
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36 #include "sndcp_f.h" /* to get the functions to access the global arrays*/ |
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37 |
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38 #include "sndcp_suaf.h" /* to get this file */ |
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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 |
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43 /*==== CONST ================================================================*/ |
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44 |
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45 /*==== LOCAL VARS ===========================================================*/ |
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46 |
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47 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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48 |
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49 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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50 |
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51 #ifdef _SNDCP_DTI_2_ |
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52 /* |
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53 +------------------------------------------------------------------------------ |
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54 | Function : sua_get_nsapi |
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55 +------------------------------------------------------------------------------ |
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56 | Description : find the affected nsapi in sn-PDU. |
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57 | |
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58 | Parameters : ll_desc_req* |
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59 | Returns : the nsapi |
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60 | |
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61 +------------------------------------------------------------------------------ |
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62 */ |
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63 GLOBAL U8 sua_get_nsapi (T_LL_DESC_REQ* ll_desc_req) |
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64 { |
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65 T_desc3* desc3 = NULL; |
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66 U8 * sndcp_header = NULL; |
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67 |
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68 /* Get the descriptor describing the memory area with the sndcp header */ |
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69 |
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70 desc3 = (T_desc3*)ll_desc_req->desc_list3.first; |
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71 sndcp_header = (U8*)desc3->buffer; |
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72 |
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73 TRACE_FUNCTION( "sua_get_nsapi" ); |
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74 |
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75 return (*(sndcp_header + ENCODE_OFFSET_BYTE)) & 0xf; |
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76 } /* sua_get_nsapi() */ |
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77 #else /* _SNDCP_DTI_2_ */ |
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78 /* |
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79 +------------------------------------------------------------------------------ |
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80 | Function : sua_get_nsapi |
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81 +------------------------------------------------------------------------------ |
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82 | Description : find the affected nsapi in sn-PDU. |
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83 | |
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84 | Parameters : ll_data_req* |
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85 | Returns : the nsapi |
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86 | |
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87 +------------------------------------------------------------------------------ |
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88 */ |
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89 GLOBAL UBYTE sua_get_nsapi (T_LL_DATA_REQ* ll_data_req) |
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90 { |
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91 USHORT octet_offset = (ll_data_req->sdu.o_buf) >> 3; |
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92 |
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93 TRACE_FUNCTION( "sua_get_nsapi" ); |
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94 |
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95 return ll_data_req->sdu.buf[octet_offset] & 0xf; |
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96 |
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97 } /* sua_get_nsapi() */ |
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98 #endif /* _SNDCP_DTI_2_ */ |
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99 /* |
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100 +------------------------------------------------------------------------------ |
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101 | Function : sua_init |
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102 +------------------------------------------------------------------------------ |
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103 | Description : The function sua_init() |
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104 | |
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105 | Parameters : |
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106 | |
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107 +------------------------------------------------------------------------------ |
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108 */ |
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109 GLOBAL void sua_init (void) |
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110 { |
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111 TRACE_FUNCTION( "sua_init" ); |
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112 |
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113 /* |
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114 * Not initialized: |
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115 * Members of sn_data_q are not set to NULL. |
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116 * Members of npdu_number_q are not set to 0. |
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117 * Members of ll_desc_q are not set to NULL. |
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118 * Members of ll_data_q are not set to NULL. |
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119 */ |
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120 |
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121 sndcp_data->sua = & sndcp_data->sua_base[0]; |
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122 INIT_STATE(SUA_0, SUA_LLC_NOT_RECEPTIVE); |
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123 #ifdef SNDCP_2to1 |
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124 sndcp_data->sua->sapi = PS_SAPI_3; |
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125 #else |
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126 sndcp_data->sua->sapi = LL_SAPI_3; |
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127 #endif /*SNDCP_2to1*/ |
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128 sndcp_data->sua = & sndcp_data->sua_base[1]; |
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129 INIT_STATE(SUA_1, SUA_LLC_NOT_RECEPTIVE); |
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130 #ifdef SNDCP_2to1 |
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131 sndcp_data->sua->sapi = PS_SAPI_5; |
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132 #else |
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133 sndcp_data->sua->sapi = LL_SAPI_5; |
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134 #endif /*SNDCP_2to1*/ |
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135 |
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136 sndcp_data->sua = & sndcp_data->sua_base[2]; |
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137 INIT_STATE(SUA_2, SUA_LLC_NOT_RECEPTIVE); |
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138 #ifdef SNDCP_2to1 |
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139 sndcp_data->sua->sapi = PS_SAPI_9; |
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140 #else |
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141 sndcp_data->sua->sapi = LL_SAPI_9; |
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142 #endif /*SNDCP_2to1*/ |
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143 |
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144 sndcp_data->sua = & sndcp_data->sua_base[3]; |
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145 INIT_STATE(SUA_3, SUA_LLC_NOT_RECEPTIVE); |
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146 #ifdef SNDCP_2to1 |
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147 sndcp_data->sua->sapi = PS_SAPI_11; |
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148 #else |
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149 sndcp_data->sua->sapi = LL_SAPI_11; |
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150 #endif /*SNDCP_2to1*/ |
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151 { |
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152 UBYTE sapi_index = 0; |
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153 |
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154 for (sapi_index = 0; sapi_index < SNDCP_NUMBER_OF_SAPIS; sapi_index++) { |
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155 sndcp_data->sua = & sndcp_data->sua_base[sapi_index]; |
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156 sndcp_data->sua->n201_i = N201_I_DEFAULT; |
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157 sndcp_data->sua->sn_data_q_read = 0; |
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158 sndcp_data->sua->sn_data_q_write = 0; |
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159 #ifdef _SNDCP_DTI_2_ |
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160 sndcp_data->sua->ll_desc_q_read = 0; |
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161 sndcp_data->sua->ll_desc_q_write = 0; |
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162 #else /* _SNDCP_DTI_2_ */ |
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163 sndcp_data->sua->ll_data_q_read = 0; |
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164 sndcp_data->sua->ll_data_q_write = 0; |
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165 #endif /* _SNDCP_DTI_2_ */ |
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166 sndcp_data->sua->first_seg_info = NULL; |
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167 sndcp_data->sua->cia_state = CIA_IDLE; |
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168 |
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169 } |
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170 } |
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171 |
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172 } /* sua_init() */ |
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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 /* |
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178 +------------------------------------------------------------------------------ |
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179 | Function : sua_mark_segment |
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180 +------------------------------------------------------------------------------ |
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181 | Description : The function sua_mark_segment() |
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182 | |
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183 | Parameters : N-PDU number, NSAPI, LL_DESC_REQ in which the reference has to be set. |
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184 | Pre : The "correct" sua instance is activated and |
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185 | sndcp_data->sua->segment_number is the segment number of the |
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186 | current segment. |
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187 | |
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188 +------------------------------------------------------------------------------ |
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189 */ |
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190 GLOBAL void sua_mark_segment (UBYTE npdu_number, |
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191 UBYTE nsapi) |
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192 { |
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193 T_SEG_INFO* seg_info = NULL; |
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194 |
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195 TRACE_FUNCTION( "sua_mark_segment" ); |
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196 |
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197 /* |
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198 * Add new seg_info to the list. |
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199 */ |
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200 if (sndcp_data->sua->first_seg_info == NULL) { |
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201 MALLOC(seg_info, sizeof(T_SEG_INFO)); |
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202 /* |
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203 * The list has been empty. |
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204 */ |
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205 sndcp_data->sua->first_seg_info = seg_info; |
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206 /* |
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207 * First segment. |
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208 */ |
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209 seg_info->number_of_segments = 1; |
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210 /* |
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211 * Reset the confirm mask. |
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212 */ |
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213 seg_info->cnf_segments = 0; |
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214 seg_info->npdu_number = npdu_number; |
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215 seg_info->next = NULL; |
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216 seg_info->nsapi = nsapi; |
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217 } else { |
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218 /* |
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219 * There are already some seg_infos. Find the seg_info for the given N-PDU. |
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220 * number and NSAPI or create a new one. |
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221 */ |
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222 /* |
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223 * Are N-PDU number and NSAPI different? |
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224 */ |
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225 BOOL different = TRUE; |
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226 BOOL end = FALSE; |
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227 T_SEG_INFO* help = sndcp_data->sua->first_seg_info; |
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228 |
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229 while(!end && different) { |
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230 if (nsapi == help->nsapi && npdu_number == help->npdu_number) { |
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231 different = FALSE; |
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232 } else { |
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233 if (help->next == NULL) { |
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234 end = TRUE; |
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235 } else { |
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236 help = help->next; |
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237 } |
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238 } |
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239 } |
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240 if (different) { |
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241 /* |
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242 * A seg_info with same NSAPI and N-PDU number has not been found. |
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243 * Create a new one. |
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244 */ |
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245 MALLOC(seg_info, sizeof(T_SEG_INFO)); |
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246 /* |
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247 * First segment. |
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248 */ |
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249 seg_info->number_of_segments = 1; |
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250 /* |
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251 * Reset the confirm mask. |
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252 */ |
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253 seg_info->cnf_segments = 0; |
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254 seg_info->npdu_number = npdu_number; |
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255 seg_info->next = NULL; |
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256 seg_info->nsapi = nsapi; |
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257 /* |
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258 * Add the new seg_info to the list. |
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259 */ |
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260 help->next = seg_info; |
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261 } else { |
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262 /* |
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263 * A seg_info with same NSAPI and N-PDU number has been found. |
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264 * Use this one. |
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265 */ |
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266 help->number_of_segments++; |
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267 } |
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268 |
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269 } |
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270 |
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271 } /* sua_mark_segment() */ |
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272 |
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273 |
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274 /* |
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275 +------------------------------------------------------------------------------ |
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276 | Function : sua_next_sn_data_req |
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277 +------------------------------------------------------------------------------ |
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278 | Description : If queue with sn_data_req is |
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279 | not empty, send SIG_SUA_CIA_DATA_REQ with next prim from sn_data_req queue |
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280 | |
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281 | Parameters : sapi |
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282 | Pre : cia_state == CIA_IDLE |
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283 | |
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284 +------------------------------------------------------------------------------ |
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285 */ |
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286 GLOBAL void sua_next_sn_data_req (UBYTE sapi) |
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287 { |
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288 TRACE_FUNCTION( "sua_next_sn_data_req" ); |
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289 |
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290 if (sndcp_data->sua->sn_data_q_write != |
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291 sndcp_data->sua->sn_data_q_read) { |
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292 /* |
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293 * Get sn_data_req from queue. |
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294 */ |
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295 T_SN_DATA_REQ* sn_data_req = |
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296 sndcp_data->sua->sn_data_q[sndcp_data->sua->sn_data_q_read]; |
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297 /* |
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298 * Get npdu_number from queue. |
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299 */ |
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300 UBYTE npdu_num = |
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301 sndcp_data->sua->npdu_number_q[sndcp_data->sua->sn_data_q_read]; |
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302 UBYTE nsapi = sn_data_req->nsapi; |
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303 |
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304 sndcp_data->sua->sn_data_q[sndcp_data->sua->sn_data_q_read] = NULL; |
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305 sndcp_data->sua->sn_data_q_read = |
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306 (sndcp_data->sua->sn_data_q_read + 1) % SN_DATA_Q_LEN; |
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307 |
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308 /* |
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309 * Cia is now busy. Send data. |
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310 */ |
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311 sndcp_data->sua->cia_state = CIA_BUSY; |
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312 sig_sua_cia_cia_comp_req(sn_data_req, |
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313 npdu_num, |
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314 nsapi, |
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315 sapi); |
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316 } else if (sndcp_data->sua->cia_state == CIA_IDLE) { |
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317 UBYTE nsapi = 0; |
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318 |
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319 for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi++) { |
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320 UBYTE used_sapi = 0; |
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321 BOOL used = FALSE; |
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322 BOOL ack = FALSE; |
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323 |
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324 sndcp_is_nsapi_used(nsapi, &used); |
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325 if (used) { |
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326 sndcp_get_nsapi_sapi(nsapi, &used_sapi); |
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327 sndcp_get_nsapi_ack(nsapi, &ack); |
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328 if (used_sapi == sapi && ack) { |
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329 sig_sua_nu_ready_ind(nsapi); |
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330 } |
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331 } |
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332 } |
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333 } |
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334 |
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335 } /* sua_next_sn_data_req() */ |
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336 |