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comparison src/g23m-gprs/sndcp/sndcp_ciaf.c @ 1:d393cd9bb723

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src/g23m-*: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:40:46 +0000
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0:b6a5e36de839 1:d393cd9bb723
1 /*
2 +-----------------------------------------------------------------------------
3 | Project : GPRS (8441)
4 | Modul : tgen_gprs.cpp
5 +-----------------------------------------------------------------------------
6 | Copyright 2002 Texas Instruments Berlin, AG
7 | All rights reserved.
8 |
9 | This file is confidential and a trade secret of Texas
10 | Instruments Berlin, AG
11 | The receipt of or possession of this file does not convey
12 | any rights to reproduce or disclose its contents or to
13 | manufacture, use, or sell anything it may describe, in
14 | whole, or in part, without the specific written consent of
15 | Texas Instruments Berlin, AG.
16 +-----------------------------------------------------------------------------
17 | Purpose : This modul is part of the entity SNDCP and implements all
18 | procedures and functions as described in the
19 | SDL-documentation (CIA-statemachine)
20 +-----------------------------------------------------------------------------
21 */
22
23
24 #define ENTITY_SNDCP
25
26 /*==== INCLUDES =============================================================*/
27
28 #include "typedefs.h" /* to get Condat data types */
29 #include "vsi.h" /* to get a lot of macros */
30 #include "macdef.h"
31 #include "prim.h" /* to get the definitions of used SAP and directions */
32
33 #include "dti.h"
34 #include "sndcp.h" /* to get the global entity definitions */
35 #include "sndcp_f.h" /* to get the functions to access the global arrays*/
36
37 #ifdef _SNDCP_DTI_2_
38 #include <string.h> /* to get memcpy() */
39 #endif
40
41
42 /*==== CONST ================================================================*/
43
44 /*==== LOCAL VARS ===========================================================*/
45
46 /*==== PRIVATE FUNCTIONS ====================================================*/
47
48 /*==== PUBLIC FUNCTIONS =====================================================*/
49
50 /*
51 +------------------------------------------------------------------------------
52 | Function : cia_compress_init
53 +------------------------------------------------------------------------------
54 | Description : This routine initializes the state structure for both the transmit
55 | and receive halves of some serial line. It must be called each
56 | time the line is brought up.
57 |
58 | Parameters : number of slots (from 0 to MAX_STATES)
59 |
60 +------------------------------------------------------------------------------
61 */
62
63 GLOBAL void cia_compress_init(UBYTE number_of_slots)
64 {
65 UBYTE i;
66 struct cstate *tstate = sndcp_data->cia.comp.tstate;
67 struct cstate *rstate = sndcp_data->cia.comp.rstate;
68
69 TRACE_FUNCTION( "cia_compress_init");
70
71 memset((char *)&(sndcp_data->cia.comp), 0, sizeof(sndcp_data->cia.comp));
72 for (i = number_of_slots; i > 0; --i) {
73 tstate[i].cs_id = i;
74 tstate[i].cs_next = &tstate[i - 1];
75 tstate[i].cs_ip = (T_SNDCP_IP_HEADER*)tstate[i].cs_hdr;
76 }
77 tstate[0].cs_next = &tstate[number_of_slots];
78 tstate[0].cs_id = 0;
79 tstate[0].cs_ip = (T_SNDCP_IP_HEADER*)tstate[0].cs_hdr;
80 sndcp_data->cia.comp.last_cs = &tstate[0];
81 sndcp_data->cia.comp.last_recv = 255;
82 sndcp_data->cia.comp.last_xmit = 255;
83 sndcp_data->cia.comp.flags = SLF_TOSS;
84
85 for (i = number_of_slots; i > 0; --i) {
86 rstate[i].cs_id = i;
87 rstate[i].cs_next = &rstate[i - 1];
88 rstate[i].cs_ip = (T_SNDCP_IP_HEADER*)rstate[i].cs_hdr;
89 }
90 rstate[0].cs_next = &rstate[number_of_slots];
91 rstate[0].cs_id = 0;
92 rstate[0].cs_ip = (T_SNDCP_IP_HEADER*)rstate[0].cs_hdr;
93
94 sndcp_data->cia.comp.slots_to_use = number_of_slots + 1;
95 }
96
97
98 /*
99 +------------------------------------------------------------------------------
100 | Function : cia_init
101 +------------------------------------------------------------------------------
102 | Description :
103 |
104 | Parameters :
105 |
106 +------------------------------------------------------------------------------
107 */
108 GLOBAL void cia_init (void)
109 {
110 UBYTE nsapi;
111 TRACE_FUNCTION( "cia_init" );
112 INIT_STATE(CIA, CIA_DEFAULT);
113
114 sndcp_reset_xid_block(&sndcp_data->cia.cur_xid_block);
115 for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi ++){
116 sndcp_data->cia.cur_cia_decomp_ind[nsapi] = NULL;
117 #ifdef SNDCP_TRACE_ALL
118 sndcp_data->cia.cia_decomp_ind_number[nsapi] = 0;
119 #endif
120
121 }
122
123
124 } /* cia_init() */
125
126
127