FreeCalypso > hg > e1-fake-trau

annotate ft16/tx_func.c @ 5:3604828b2f54

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add top Makefile
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Aug 2024 13:21:38 +0000
parents 5c18cd38c8ad
children
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2
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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2 * Here we are going to implement Tx on Abis toward the BTS.
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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3 */
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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4
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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5 #include <stdint.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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6 #include <stdbool.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdio.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <stdlib.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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9 #include <string.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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10 #include <unistd.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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11
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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12 #include <osmocom/core/msgb.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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13 #include <osmocom/core/select.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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14 #include <osmocom/isdn/i460_mux.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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15 #include <osmocom/trau/trau_frame.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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16
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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17 #include "globals.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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18 #include "submux.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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19 #include "dl_frames.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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20
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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21 static void tx_service_subslot(int nr)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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22 {
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Mychaela Falconia <falcon@freecalypso.org>
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23 struct abis_subslot *ab = &subslots[nr];
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Mychaela Falconia <falcon@freecalypso.org>
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24 const uint8_t *srcbuf;
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Mychaela Falconia <falcon@freecalypso.org>
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25 struct msgb *msg;
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Mychaela Falconia <falcon@freecalypso.org>
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26 uint8_t *outbuf;
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Mychaela Falconia <falcon@freecalypso.org>
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27
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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28 if (!ab->got_sync)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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29 return;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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30 switch (ab->frame_type) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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31 case TRAU_FT_FR_UP:
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Mychaela Falconia <falcon@freecalypso.org>
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32 srcbuf = dl_frame_fr;
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Mychaela Falconia <falcon@freecalypso.org>
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33 break;
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Mychaela Falconia <falcon@freecalypso.org>
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34 case TRAU_FT_EFR:
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Mychaela Falconia <falcon@freecalypso.org>
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35 srcbuf = dl_frame_efr;
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Mychaela Falconia <falcon@freecalypso.org>
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36 break;
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Mychaela Falconia <falcon@freecalypso.org>
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37 default:
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Mychaela Falconia <falcon@freecalypso.org>
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38 return;
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Mychaela Falconia <falcon@freecalypso.org>
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39 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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40 msg = msgb_alloc_c(g_ctx, DL_OUTPUT_LEN, "TRAU-DL-frame");
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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41 if (!msg)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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42 return;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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43 outbuf = msgb_put(msg, DL_OUTPUT_LEN);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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44 memcpy(outbuf, srcbuf, DL_OUTPUT_LEN);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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45 osmo_i460_mux_enqueue(ab->schan, msg);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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46 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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47
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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48 void transmit_e1_ts(void)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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49 {
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Mychaela Falconia <falcon@freecalypso.org>
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50 uint8_t buf[160];
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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51 int nr;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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52
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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53 for (nr = 0; nr < ABIS_SUBSLOTS; nr++)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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54 tx_service_subslot(nr);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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55 osmo_i460_mux_out(&i460_ts, buf, 160);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
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56 write(ts_fd, buf, 160);
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Mychaela Falconia <falcon@freecalypso.org>
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57 }