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annotate src/g23m-gprs/sndcp/sndcp_ciaf.c @ 40:614668bbbc4f

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Nucleus: tmt.s ported over from FreeNucleus by XVilka
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 17 Jul 2018 07:55:01 +0000
parents d393cd9bb723
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : tgen_gprs.cpp
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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 (CIA-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 #include "sndcp.h" /* to get the global entity definitions */
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35 #include "sndcp_f.h" /* to get the functions to access the global arrays*/
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36
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37 #ifdef _SNDCP_DTI_2_
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38 #include <string.h> /* to get memcpy() */
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39 #endif
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40
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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
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50 /*
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51 +------------------------------------------------------------------------------
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52 | Function : cia_compress_init
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53 +------------------------------------------------------------------------------
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54 | Description : This routine initializes the state structure for both the transmit
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55 | and receive halves of some serial line. It must be called each
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56 | time the line is brought up.
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57 |
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58 | Parameters : number of slots (from 0 to MAX_STATES)
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59 |
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60 +------------------------------------------------------------------------------
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61 */
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62
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63 GLOBAL void cia_compress_init(UBYTE number_of_slots)
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64 {
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65 UBYTE i;
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66 struct cstate *tstate = sndcp_data->cia.comp.tstate;
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67 struct cstate *rstate = sndcp_data->cia.comp.rstate;
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68
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69 TRACE_FUNCTION( "cia_compress_init");
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70
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71 memset((char *)&(sndcp_data->cia.comp), 0, sizeof(sndcp_data->cia.comp));
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72 for (i = number_of_slots; i > 0; --i) {
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73 tstate[i].cs_id = i;
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74 tstate[i].cs_next = &tstate[i - 1];
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75 tstate[i].cs_ip = (T_SNDCP_IP_HEADER*)tstate[i].cs_hdr;
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76 }
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77 tstate[0].cs_next = &tstate[number_of_slots];
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78 tstate[0].cs_id = 0;
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79 tstate[0].cs_ip = (T_SNDCP_IP_HEADER*)tstate[0].cs_hdr;
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80 sndcp_data->cia.comp.last_cs = &tstate[0];
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81 sndcp_data->cia.comp.last_recv = 255;
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82 sndcp_data->cia.comp.last_xmit = 255;
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83 sndcp_data->cia.comp.flags = SLF_TOSS;
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84
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85 for (i = number_of_slots; i > 0; --i) {
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86 rstate[i].cs_id = i;
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87 rstate[i].cs_next = &rstate[i - 1];
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88 rstate[i].cs_ip = (T_SNDCP_IP_HEADER*)rstate[i].cs_hdr;
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89 }
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90 rstate[0].cs_next = &rstate[number_of_slots];
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91 rstate[0].cs_id = 0;
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92 rstate[0].cs_ip = (T_SNDCP_IP_HEADER*)rstate[0].cs_hdr;
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93
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94 sndcp_data->cia.comp.slots_to_use = number_of_slots + 1;
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95 }
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96
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97
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98 /*
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99 +------------------------------------------------------------------------------
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100 | Function : cia_init
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101 +------------------------------------------------------------------------------
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102 | Description :
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103 |
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104 | Parameters :
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105 |
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106 +------------------------------------------------------------------------------
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107 */
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108 GLOBAL void cia_init (void)
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109 {
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110 UBYTE nsapi;
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111 TRACE_FUNCTION( "cia_init" );
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112 INIT_STATE(CIA, CIA_DEFAULT);
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113
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114 sndcp_reset_xid_block(&sndcp_data->cia.cur_xid_block);
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115 for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi ++){
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116 sndcp_data->cia.cur_cia_decomp_ind[nsapi] = NULL;
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117 #ifdef SNDCP_TRACE_ALL
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118 sndcp_data->cia.cia_decomp_ind_number[nsapi] = 0;
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119 #endif
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120
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121 }
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122
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123
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124 } /* cia_init() */
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125
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126
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127