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comparison rvinterf/asyncshell/tchrec.c @ 1028:71bbddbcc6a1

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fc-shell: tch record implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 31 May 2016 00:43:00 +0000
parents
children 194967e11b2b
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1027:1178befeda76 1028:71bbddbcc6a1
1 /*
2 * TCH downlink recording functionality
3 */
4
5 #include <sys/types.h>
6 #include <stdio.h>
7 #include <string.h>
8 #include <strings.h>
9 #include <stdlib.h>
10 #include "pktmux.h"
11 #include "tch_feature.h"
12
13 extern u_char rvi_msg[];
14 extern int rvi_msg_len;
15
16 static FILE *gsm_data_file;
17 static u_long frame_count;
18
19 void
20 tch_dlbits_handler()
21 {
22 if (!gsm_data_file)
23 return;
24 fwrite(rvi_msg + 9, 33, 1, gsm_data_file);
25 frame_count++;
26 }
27
28 static void
29 cmd_tch_record_start(filename)
30 char *filename;
31 {
32 if (gsm_data_file) {
33 printf("error: tch record session already in progress\n");
34 return;
35 }
36 gsm_data_file = fopen(filename, "w");
37 if (!gsm_data_file) {
38 perror(filename);
39 return;
40 }
41 printf("Starting TCH DL recording\n");
42 tch_rx_control(1);
43 send_tch_config_req(1);
44 frame_count = 0;
45 }
46
47 static void
48 cmd_tch_record_stop()
49 {
50 if (!gsm_data_file) {
51 printf("error: no tch record session in progress\n");
52 return;
53 }
54 fclose(gsm_data_file);
55 gsm_data_file = 0;
56 printf("TCH DL recording stopped, captured %lu speech frames\n",
57 frame_count);
58 send_tch_config_req(0);
59 }
60
61 void
62 cmd_tch_record(argc, argv)
63 char **argv;
64 {
65 if (argc < 2) {
66 printf("error: too few arguments\n");
67 return;
68 }
69 if (strcmp(argv[1], "stop"))
70 cmd_tch_record_start(argv[1]);
71 else
72 cmd_tch_record_stop();
73 }
74
75 void
76 show_tch_record_status()
77 {
78 printf("TCH DL recording: %s\n",
79 gsm_data_file ? "RUNNING" : "not running");
80 }