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annotate rvinterf/tmsh/audioresp.c @ 838:02d92d49c9f8

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doc/Audio-mode-config: update for old vs new AEC
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Jul 2021 05:21:19 +0000
parents ce7479d28b02
children
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1 /*
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2 * In this module we are going to implement the handling of ETM_AUDIO responses.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10 #include "pktmux.h"
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11 #include "limits.h"
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12 #include "localtypes.h"
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13 #include "etm.h"
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14
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15 extern u_char rvi_msg[];
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16 extern int rvi_msg_len;
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17
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18 static void
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19 aul_aus_response(op)
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20 char *op;
159
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21 {
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22 char buf[80];
159
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23
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24 if (rvi_msg_len != 6) {
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25 sprintf(buf, "%s response wrong length", op);
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26 print_etm_pkt_raw(buf);
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27 return;
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28 }
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29 if (rvi_msg[3])
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30 sprintf(buf, "%s error %u (0x%02X)", op,
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31 rvi_msg[3], rvi_msg[3]);
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32 else
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33 sprintf(buf, "%s OK", op);
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34 async_msg_output(buf);
159
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35 }
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36
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37 static void
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38 aur_response()
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39 {
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40 char buf[80], *dp;
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41 unsigned i, j, l, size;
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42
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43 if (rvi_msg_len < 7) {
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44 tooshort: print_etm_pkt_raw("aur response too short");
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45 return;
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46 }
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47 if (rvi_msg[3]) {
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48 if (rvi_msg_len == 7) {
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49 sprintf(buf, "aur %u error %u (0x%02X)", rvi_msg[5],
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50 rvi_msg[3], rvi_msg[3]);
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51 async_msg_output(buf);
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52 } else
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53 print_etm_pkt_raw("aur long error response");
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54 return;
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55 }
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56 if (rvi_msg_len < 8)
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57 goto tooshort;
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58 size = rvi_msg_len - 7;
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59 sprintf(buf, "aur %u: %u byte%s", rvi_msg[5], size,
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60 size != 1 ? "s" : "");
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61 async_msg_output(buf);
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62 for (i = 0; i < size; ) {
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63 l = size - i;
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64 if (l > 16)
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65 l = 16;
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66 sprintf(buf, "offset %02X:", i);
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67 dp = index(buf, '\0');
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68 for (j = 0; j < l; j++) {
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69 if (j == 0 || j == 8)
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70 *dp++ = ' ';
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71 sprintf(dp, " %02X", rvi_msg[i + 6]);
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72 i++;
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73 dp += 3;
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74 }
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75 async_msg_output(buf);
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76 }
159
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77 }
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78
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79 static void
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80 auw_response()
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81 {
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82 char buf[80];
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83
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84 if (rvi_msg_len != 7) {
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85 print_etm_pkt_raw("auw response wrong length");
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86 return;
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87 }
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88 if (rvi_msg[3])
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89 sprintf(buf, "auw %u error %u (0x%02X)", rvi_msg[5],
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90 rvi_msg[3], rvi_msg[3]);
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91 else
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92 sprintf(buf, "auw %u OK", rvi_msg[5]);
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93 async_msg_output(buf);
159
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94 }
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95
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96 void
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97 etm_audio_msg_rx()
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98 {
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99 switch (rvi_msg[4]) {
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100 case 'L':
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101 aul_aus_response("aul");
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102 return;
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103 case 'S':
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104 aul_aus_response("aus");
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105 return;
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106 case 'R':
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107 aur_response();
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108 return;
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109 case 'W':
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110 auw_response();
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111 return;
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112 default:
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113 unknown:
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114 print_etm_pkt_raw("ETM_AUDIO");
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115 }
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116 }