FreeCalypso > hg > ice1-trau-tester

annotate ater8/activate.c @ 42:ff94d7fc5891

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new program itt-ater-8
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Aug 2024 19:02:42 +0000
parents ater/activate.c@237687e2be6c
children 3cc26391d24d
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * Here we implement the operation of activating a new TRAU channel
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Mychaela Falconia <falcon@freecalypso.org>
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3 * on a sub-timeslot.
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4 */
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5
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6 #include <stdint.h>
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7 #include <stdbool.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11
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12 #include <osmocom/core/select.h>
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13 #include <osmocom/isdn/i460_mux.h>
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14 #include <osmocom/trau/trau_frame.h>
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15
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16 #include "globals.h"
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17 #include "submux.h"
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18 #include "read_file.h"
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19 #include "out_frame.h"
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20
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21 void cmd_activate(int argc, char **argv)
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22 {
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23 int nr, rc;
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24 bool dtxd;
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25 struct ater_subslot *at;
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26 int16_t *init_frame;
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27 unsigned init_frame_count;
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28
42
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29 if (argc < 3 || argc > 4) {
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30 usage: fprintf(stderr, "usage: %s 0-7 initial-frame.dec [dtxd]\n",
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31 argv[0]);
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32 return;
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33 }
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34 if (argv[1][0] < '0' || argv[1][0] > '7' || argv[1][1])
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35 goto usage;
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36 nr = argv[1][0] - '0';
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37 if (argv[3]) {
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38 if (strcmp(argv[3], "dtxd"))
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39 goto usage;
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40 dtxd = true;
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41 } else
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42 dtxd = false;
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43
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44 at = &subslots[nr];
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45 if (at->is_active) {
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46 fprintf(stderr, "error: subslot %d is already active\n", nr);
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47 return;
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48 }
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49 rc = read_binary_file(argv[2], &init_frame, &init_frame_count);
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50 if (rc < 0)
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51 return; /* error msg already printed */
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52 if (init_frame_count != 1) {
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53 free(init_frame);
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54 fprintf(stderr, "error: %s contains more than one frame\n",
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55 argv[2]);
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56 return;
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57 }
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58
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59 /* good to proceed now */
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60 at->is_active = true;
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61 init_trau_ul_frame(nr);
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62 at->ul_frame.c_bits[8] = dtxd;
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63 trau_frame_from_record(init_frame, &at->ul_frame, &at->frame_has_taf);
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64 free(init_frame);
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65 }
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66
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67 void cmd_deact(int argc, char **argv)
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68 {
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69 int nr;
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70 struct ater_subslot *at;
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71
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72 if (argc != 2) {
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73 usage: fprintf(stderr, "usage: %s 0-7\n", argv[0]);
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74 return;
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75 }
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76 if (argv[1][0] < '0' || argv[1][0] > '7' || argv[1][1])
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77 goto usage;
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78 nr = argv[1][0] - '0';
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79 at = &subslots[nr];
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80 if (!at->is_active) {
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81 fprintf(stderr, "error: subslot %d is not active\n", nr);
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82 return;
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83 }
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84 at->is_active = false;
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85 if (at->play_buffer) {
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86 free(at->play_buffer);
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87 at->play_buffer = NULL;
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88 }
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89 }