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comparison src/g23m-fad/rlp/rlp_sndf.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 : CSD (8411)
4 | Modul : Rlp_sndf.c
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 procedures and functions for
18 | the component Radio Link Protocol of the base station
19 +-----------------------------------------------------------------------------
20 */
21
22
23 #ifndef RLP_SNDF_C
24 #define RLP_SNDF_C
25 #endif
26
27 #define ENTITY_RLP
28
29 /*==== INCLUDES ===================================================*/
30
31 #include <string.h>
32 #include "typedefs.h"
33 #include "vsi.h"
34 #include "macdef.h"
35 #include "custom.h"
36 #include "gsm.h"
37 #include "cus_rlp.h"
38 #include "prim.h"
39 #include "tok.h"
40 #include "rlp.h"
41
42 #ifdef _TARGET_
43 #include "ra_l1int.h"
44 #endif
45
46 /*==== CONST =======================================================*/
47
48 /*==== TYPES =======================================================*/
49
50 /*==== VAR EXPORT ==================================================*/
51
52 /*==== VAR LOCAL ===================================================*/
53
54 /*==== FUNCTIONS ===================================================*/
55
56 /*
57 +------------------------------------------------------------------------------
58 | Function : snd_sendDataToRA
59 +------------------------------------------------------------------------------
60 | Description : send a RA_DATA_REQ primitive to RA. In the implementation
61 | this function uses the functional interface of the
62 | RA-Adaptation layer to pass the primitive to RA.
63 |
64 |
65 | Parameters : dataDesc
66 |
67 |
68 | Return : -
69 +------------------------------------------------------------------------------
70 */
71
72
73 LOCAL void snd_sendDataToRA(T_FRAME_DESC *dataDesc)
74 {
75 #ifdef _SIMULATION_
76
77 UBYTE i, j;
78 USHORT sduLen = (dataDesc->Len[0]+dataDesc->Len[1]+3)<<3;
79
80 PALLOC_SDU (ra_data_req, RA_DATA_REQ, sduLen);
81
82 TRACE_FUNCTION ("snd_sendDataToRA()");
83
84 ra_data_req->fr_type = FR_RLP;
85 ra_data_req->dtx_flg = DTX_DIS;
86 ra_data_req->sdu.l_buf = sduLen;
87 ra_data_req->sdu.o_buf = 0;
88
89 j=0;
90
91 for (i=0; i < dataDesc->Len[0]; i++)
92 ra_data_req->sdu.buf[j++] = dataDesc->Adr[0][i];
93
94 for (i=0; i < dataDesc->Len[1]; i++)
95 ra_data_req->sdu.buf[j++] = dataDesc->Adr[1][i];
96
97 ra_data_req->sdu.buf[rlp_data->snd.FrameSize - TRAILER_LEN] = 0x4f;
98 ra_data_req->sdu.buf[rlp_data->snd.FrameSize - TRAILER_LEN + 1] = 0x4f;
99 ra_data_req->sdu.buf[rlp_data->snd.FrameSize - TRAILER_LEN + 2] = 0x4f;
100
101 #ifdef TRACE_RLP_FRAME
102 if (rlp_data->uplink_frame_trace)
103 {
104 ker_trace_rlp_frame((T_RLP_FRAMEPTR)ra_data_req->sdu.buf);
105 }
106 #endif
107
108 PSENDX (RA, ra_data_req);
109
110 #else /* _TARGET_ */
111 /*
112 * use functional interface of RA
113 */
114 T_RA_DATA_REQ RA_data_req;
115
116 RA_data_req.fr_type = FR_RLP;
117 RA_data_req.dtx_flg = DTX_DIS;
118 RA_data_req.status = 0;
119
120 #ifdef TRACE_RLP_FRAME
121 if (rlp_data->uplink_frame_trace)
122 {
123 ker_trace_rlp_frame((T_RLP_FRAMEPTR)datadesc->Adr[0]);
124 }
125 #endif
126
127 l1i_ra_data_req (&RA_data_req, dataDesc);
128
129 #endif /* _TARGET_ */
130 }
131
132 /*
133 +------------------------------------------------------------------------------
134 | Function : snd_init
135 +------------------------------------------------------------------------------
136 | Description : initialise the rlp data for the send formatter process
137 |
138 | Parameters :
139 |
140 |
141 | Return :
142 +------------------------------------------------------------------------------
143 */
144
145
146 GLOBAL void snd_init(T_SND *snd)
147 {
148 USHORT i;
149
150 TRACE_FUNCTION ("snd_init()");
151
152 /*
153 * initialize the header only frame descriptor
154 */
155 snd->HO_FrameDesc.Adr[0] = snd->HO_Frame;
156 snd->HO_FrameDesc.Len[0] = FRAME_SIZE_LONG;
157 snd->HO_FrameDesc.Adr[1] = NULL;
158 snd->HO_FrameDesc.Len[1] = 0;
159
160 /* memset (rlp_data->snd.HO_Frame, 0x2b, FRAME_SIZE_LONG); */
161
162 for (i = 2; i < FRAME_SIZE_LONG; i++)
163 {
164 snd->HO_Frame[i] = 0x41 + i;
165 }
166 INIT_STATE (SND, SPDU_WAIT_EVENT);
167 }
168
169 /*
170 +------------------------------------------------------------------------------
171 | Function : snd_send_u_frame
172 +------------------------------------------------------------------------------
173 | Description : build and send a U-Frame in uplink direction
174 |
175 | Parameters : frameType -
176 | pFBit -
177 | crBit -
178 | dataDesc -
179 |
180 |
181 | Return : -
182 +------------------------------------------------------------------------------
183 */
184
185 GLOBAL void snd_send_u_frame
186 (
187 T_UF frameType,
188 T_BIT pFBit,
189 T_BIT crBit,
190 T_FRAME_DESC *dataDesc
191 )
192 {
193 UBYTE *frame;
194
195 TRACE_FUNCTION ("snd_send_u_frame()");
196
197 if (dataDesc EQ NULL)
198 dataDesc = &rlp_data->snd.HO_FrameDesc;
199
200 frame = dataDesc->Adr[0];
201
202 /*
203 * M5-M1 Bits (16, 15-11)
204 */
205 frame[1] = (UBYTE) (frameType << 2);
206 /*
207 * P/F Bit (10) and Bit 9=1
208 */
209 frame[1] |= ((pFBit << 1) | 1);
210 /*
211 * Bits 8-2=1111100 Bit 1 = crBit
212 */
213 frame[0] = (0xf8 | crBit);
214
215 snd_sendDataToRA (dataDesc);
216 }
217
218 /*
219 +------------------------------------------------------------------------------
220 | Function : snd_send_s_frame
221 +------------------------------------------------------------------------------
222 | Description : build and send a S-Frame in uplink direction
223 |
224 | Parameters :
225 |
226 |
227 | Return :
228 +------------------------------------------------------------------------------
229 */
230
231
232 GLOBAL void snd_send_s_frame
233 (
234 T_SF frameType,
235 T_FRAME_NUM nr,
236 T_BIT pFBit,
237 T_BIT crBit,
238 T_FRAME_DESC *dataDesc
239 )
240 {
241 UBYTE *frame;
242
243 TRACE_FUNCTION ("snd_send_s_frame()");
244
245 if (dataDesc EQ NULL)
246 dataDesc = &rlp_data->snd.HO_FrameDesc;
247
248 frame = dataDesc->Adr[0];
249 /*
250 * N(R) Bits (16-11)
251 */
252 frame[1] = (UBYTE) (nr << 2);
253 /*
254 * P/F Bit (10) and Bit 9=1
255 */
256 frame[1] |= ((pFBit << 1) | 1);
257 /*
258 * Bits 8-4=11111, Bits 3-2 = frameType, Bit 1 = crBit
259 */
260 frame[0] = (0xf0 | (frameType << 1) | crBit);
261
262 snd_sendDataToRA (dataDesc);
263 }
264
265 /*
266 +------------------------------------------------------------------------------
267 | Function : snd_send_si_frame
268 +------------------------------------------------------------------------------
269 | Description : build and send a S+I-Frame in uplink direction
270 |
271 | Parameters : frameType -
272 | nr -
273 | pFBit -
274 | ns -
275 | crBit -
276 | dataDesc -
277 |
278 | Return : -
279 +------------------------------------------------------------------------------
280 */
281
282
283 GLOBAL void snd_send_si_frame
284 (
285 T_SF frameType,
286 T_FRAME_NUM nr,
287 T_BIT pFBit,
288 T_FRAME_NUM ns,
289 T_BIT crBit,
290 T_FRAME_DESC *dataDesc
291 )
292 {
293 UBYTE *frame;
294
295 TRACE_FUNCTION ("snd_send_si_frame()");
296
297 if (dataDesc EQ NULL)
298 dataDesc = &rlp_data->snd.HO_FrameDesc;
299
300 frame = dataDesc->Adr[0];
301
302 /*
303 * N(R) Bits (16-11)
304 */
305 frame[1] = (UBYTE) (nr << 2);
306 /*
307 * P/F Bit (10) and Bit 9=ns(bit 0-4)
308 */
309 frame[1] |= ((pFBit << 1) | (ns >> 5));
310 /*
311 * Bits 8-4 = ns (bits 4-0), Bits 3-2 = frameType, Bit 1 = crBit
312 */
313 frame[0] = ((ns << 3) | (frameType << 1) | crBit);
314
315 snd_sendDataToRA (dataDesc);
316 }
317