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comparison src/g23m-fad/fad/fad_kers.c @ 174:90eb61ecd093

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src/g23m-fad: initial import from TCS3.2/LoCosto
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Oct 2016 05:40:46 +0000
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173:bf64d785238a 174:90eb61ecd093
1 /*
2 +-----------------------------------------------------------------------------
3 | Project : GSM-F&D (8411)
4 | Modul : FAD_KERS
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 defines the functions for processing
18 | of incomming signals for the component
19 | Fax Adaptation 3.45 of the mobile station
20 +-----------------------------------------------------------------------------
21 */
22
23 #ifndef FAD_KERS_C
24 #define FAD_KERS_C
25 #endif
26
27 #define ENTITY_FAD
28
29 /*==== INCLUDES ===================================================*/
30
31 #include <string.h>
32 #include "typedefs.h"
33 #include "pconst.cdg"
34 #include "vsi.h"
35 #include "macdef.h"
36 #include "pconst.cdg"
37 #include "custom.h"
38 #include "gsm.h"
39 #include "cnf_fad.h"
40 #include "mon_fad.h"
41 #include "prim.h"
42 #include "pei.h"
43 #include "tok.h"
44 #include "ccdapi.h"
45 #include "fad.h"
46
47 /*==== CONST =======================================================*/
48
49 /*==== TYPES =======================================================*/
50
51 /*==== VAR EXPORT ==================================================*/
52
53 /*==== VAR LOCAL ==================================================*/
54
55 /*==== FUNCTIONS ===================================================*/
56
57 /*
58 +-------------------------------------------------------------------------+
59 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
60 | STATE : code ROUTINE : sig_snd_ker_ready_ind |
61 +-------------------------------------------------------------------------+
62
63 PURPOSE : Process signal READY_IND received from process SND
64
65 */
66
67 GLOBAL void sig_snd_ker_ready_ind (void)
68 {
69 TRACE_FUNCTION ("sig_snd_ker_ready_ind()");
70
71 switch (GET_STATE (KER))
72 {
73 case BCS_REC:
74 case MSG_REC:
75 {
76 PALLOC (fad_ready_ind, FAD_READY_IND);
77 PSENDX (T30, fad_ready_ind);
78 }
79 break;
80 default:
81 break;
82 }
83
84 }
85
86 /*
87 +-------------------------------------------------------------------------+
88 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
89 | STATE : code ROUTINE : sig_snd_ker_data_sent_ind|
90 +-------------------------------------------------------------------------+
91
92 PURPOSE : Process signal DATA_SENT_IND received from process SND
93
94 */
95
96 GLOBAL void sig_snd_ker_data_sent_ind (void)
97 {
98 TRACE_FUNCTION ("sig_snd_ker_data_sent_ind()");
99
100 switch (GET_STATE (KER))
101 {
102 case BCS_REC:
103 case MSG_REC:
104 {
105 PALLOC (fad_data_cnf, FAD_DATA_CNF);
106 PSENDX (T30, fad_data_cnf);
107 SET_STATE (KER, IDLE);
108 sig_ker_snd_sync_req (TRUE);
109 }
110 break;
111 case MSG_REC_TCF:
112 {
113 PALLOC (fad_snd_tcf_cnf, FAD_SND_TCF_CNF);
114 PSENDX (T30, fad_snd_tcf_cnf);
115 SET_STATE (KER, IDLE);
116 sig_ker_snd_sync_req (TRUE);
117 }
118 break;
119 case BCS_TRA:
120 {
121 PALLOC (fad_data_cnf, FAD_DATA_CNF);
122 PSENDX (T30, fad_data_cnf);
123 /* remain in BCS-TRA state ! - don't reset sequencer ! */
124 }
125 break;
126 }
127 }
128
129 /*
130 +-------------------------------------------------------------------------+
131 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
132 | STATE : code ROUTINE : sig_rcv_ker_preamble_ind |
133 +-------------------------------------------------------------------------+
134
135 PURPOSE : Process signal PREAMBLE_IND received from process RCV
136
137 */
138
139 GLOBAL void sig_rcv_ker_preamble_ind (void)
140 {
141
142 TRACE_FUNCTION ("sig_rcv_ker_preamble_ind()");
143
144 switch (GET_STATE (KER))
145 {
146 case IDLE:
147 {
148 PALLOC (fad_mux_ind, FAD_MUX_IND);
149 fad_mux_ind->mode = MUX_BCS;
150 PSENDX (T30, fad_mux_ind);
151 }
152 SET_STATE (KER, BCS_TRA);
153 break;
154 case MSG_REC_TCF: /* non-standard: BCS data received while sending TCF */
155 sig_snd_ker_data_sent_ind ();
156 TRACE_EVENT ("MSG-REC:BCS rec- arbt TCF");
157 {
158 PALLOC (fad_mux_ind, FAD_MUX_IND);
159 fad_mux_ind->mode = MUX_BCS;
160 PSENDX (T30, fad_mux_ind);
161 }
162 SET_STATE (KER, BCS_TRA);
163 break;
164 default: /* discard data - reset RCV to idle */
165 sig_ker_rcv_reset_req ();
166 }
167 fad_data->rcv.preamble_pending = FALSE;
168 }
169
170 /*
171 +-------------------------------------------------------------------------+
172 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
173 | STATE : code ROUTINE : sig_rcv_ker_tcf_ind |
174 +-------------------------------------------------------------------------+
175
176 PURPOSE : Process signal TCF_IND received from process RCV
177
178 */
179
180 GLOBAL void sig_rcv_ker_tcf_ind(void)
181 {
182 T_RCV *rcv = &fad_data->rcv;
183
184 USHORT err_ratio = 100 * rcv->bytes_good/rcv->bytes_rcvd;
185
186 TRACE_FUNCTION ("sig_rcv_ker_tcf_ind()");
187
188 if (GET_STATE (KER) EQ MSG_TRA_TCF)
189 {
190 PALLOC (fad_rcv_tcf_cnf, FAD_RCV_TCF_CNF);
191
192 TRACE_EVENT_P1("ratio=%d", err_ratio);
193
194 fad_rcv_tcf_cnf->ratio = (UBYTE)err_ratio;
195 PSENDX (T30, fad_rcv_tcf_cnf);
196 SET_STATE (KER, IDLE);
197 sig_ker_snd_sync_req (FALSE);
198 }
199 }
200
201 /*
202 +----------------------------------------------------------------------+
203 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
204 | STATE : code ROUTINE : sig_rcv_ker_train_ind |
205 +----------------------------------------------------------------------+
206
207 PURPOSE : Process signal TRAIN_IND received from process RCV
208
209 */
210
211 GLOBAL void sig_rcv_ker_train_ind (void)
212 {
213 TRACE_FUNCTION ("sig_rcv_ker_train_ind()");
214
215 if (GET_STATE (KER) EQ IDLE)
216 {
217 sig_ker_snd_train_req (0, FALSE);
218 {
219 PALLOC (fad_mux_ind, FAD_MUX_IND);
220 fad_mux_ind->mode = MUX_MSG;
221 PSENDX (T30, fad_mux_ind);
222 }
223 fad_data->ker.forward_data = TRUE;
224 SET_STATE (KER, MSG_TRA);
225 }
226 else /* discard data - reset RCV to idle */
227 sig_ker_rcv_reset_req ();
228 }
229
230 /*
231 +--------------------------------------------------------------------------+
232 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
233 | STATE : code ROUTINE : sig_rcv_ker_train_end_ind |
234 +--------------------------------------------------------------------------+
235
236 PURPOSE : Process signal TRAIN_END_IND received from process RCV
237
238 */
239
240 GLOBAL void sig_rcv_ker_train_end_ind (void)
241 {
242
243 TRACE_FUNCTION ("sig_rcv_ker_train_end_ind()");
244
245 if (GET_STATE (KER) EQ MSG_TRA)
246 sig_ker_snd_sync_req (FALSE);
247
248 }
249
250 /*
251 +-------------------------------------------------------------------------+
252 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
253 | STATE : code ROUTINE : sig_rcv_ker_bcs_ind |
254 +-------------------------------------------------------------------------+
255
256 PURPOSE : Process signal BCS_IND received from process RCV
257
258 */
259
260 GLOBAL void sig_rcv_ker_bcs_ind (UBYTE *hdlc, USHORT hdlc_len)
261 {
262 TRACE_FUNCTION ("sig_rcv_ker_bcs_ind()");
263
264 if (GET_STATE (KER) EQ BCS_TRA)
265 {
266 USHORT bit_len = hdlc_len << 3;
267 {
268 PALLOC_SDU (fad_data_ind, FAD_DATA_IND, bit_len);
269 fad_data_ind->final = TRUE;
270 fad_data_ind->sdu.l_buf = bit_len;
271 fad_data_ind->sdu.o_buf = 0;
272 memcpy (fad_data_ind->sdu.buf, hdlc, hdlc_len);
273 if (fad_data->snd.fad_data_req) /* BCS data to send detected while receiving BCS: */
274 sig_snd_ker_data_sent_ind (); /* send pseudo-CNF to T30 before forwarding data */
275
276 PSENDX (T30, fad_data_ind);
277 }
278 fad_data->rcv.FlagFound = 0;
279 SET_STATE (KER, IDLE);
280 sig_ker_snd_sync_req (TRUE);
281 if (fad_data->snd.fad_data_req) /* BCS data to send detected while receiving BCS: */
282 { /* send stored BCS data */
283 SET_STATE (KER, BCS_REC);
284 sig_ker_snd_preamble_req (fad_data->snd.fad_data_req);
285 }
286 }
287 fad_data->rcv.bcs_pending = FALSE;
288 }
289
290 /*
291 +-------------------------------------------------------------------------+
292 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
293 | STATE : code ROUTINE : sig_rcv_ker_msg_ind |
294 +-------------------------------------------------------------------------+
295
296 PURPOSE : Process signal MSG_IND received from process RCV
297
298 */
299
300 GLOBAL void sig_rcv_ker_msg_ind (T_FAD_DATA_IND *fad_data_ind)
301 {
302
303 TRACE_FUNCTION ("sig_rcv_ker_msg_ind()");
304
305 PACCESS (fad_data_ind);
306
307 if (GET_STATE (KER) EQ MSG_TRA)
308 {
309 if (!fad_data_ind)
310 {
311 sig_ker_snd_sync_req (TRUE);
312 SET_STATE (KER, IDLE);
313 }
314 else
315 {
316 if (fad_data_ind->final)
317 {
318 sig_ker_snd_sync_req (TRUE);
319 SET_STATE (KER, IDLE);
320 }
321 if (fad_data->ker.forward_data)
322 {
323 PSENDX (T30, fad_data_ind);
324 }
325 else
326 PFREE (fad_data_ind);
327 }
328 }
329
330 }
331
332 /*
333 +-------------------------------------------------------------------------+
334 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
335 | STATE : code ROUTINE : sig_rcv_ker_status_ind |
336 +-------------------------------------------------------------------------+
337
338 PURPOSE : Process signal STATUS_IND received from process RCV
339
340 */
341
342 GLOBAL void sig_rcv_ker_status_ind (void )
343 {
344
345 TRACE_FUNCTION ("sig_rcv_ker_status_ind()");
346
347 if (GET_STATE (KER) EQ MSG_REC)
348 sig_ker_snd_status_req ();
349
350 }
351
352 /*
353 +-------------------------------------------------------------------------+
354 | PROJECT : GSM-F&D (8411) MODULE : FAD_KERS |
355 | STATE : code ROUTINE : sig_rcv_ker_error_ind |
356 +-------------------------------------------------------------------------+
357
358 PURPOSE : Process signal ERROR_IND received from process RCV
359
360 */
361
362 GLOBAL void sig_rcv_ker_error_ind (USHORT cause)
363 {
364 TRACE_FUNCTION ("sig_rcv_ker_error_ind()");
365
366 switch (GET_STATE (KER))
367 {
368 case KER_NULL:
369 case IDLE:
370 break;
371 case BCS_REC:
372 case BCS_TRA:
373 case MSG_REC_TCF:
374 case MSG_REC:
375 case MSG_TRA_TCF:
376 case MSG_TRA:
377 SET_STATE (KER, IDLE);
378 ker_SetError (cause);
379 break;
380 default:
381 break;
382 }
383 }
384