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comparison rvinterf/asyncshell/tchrec.c @ 4:971906d7763d

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fc-shell tch commands: changed to raw hex file format This "backward" change is needed for two reasons: 1) to support EFR in addition to 06.10 2) to preserve the DSP status words for the downlink
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 Jun 2016 01:02:48 +0000
parents e7502631a0f9
children 8171c5c0d804
comparison
equal deleted inserted replaced
3:6a029ad28212 4:971906d7763d
11 #include "tch_feature.h" 11 #include "tch_feature.h"
12 12
13 extern u_char rvi_msg[]; 13 extern u_char rvi_msg[];
14 extern int rvi_msg_len; 14 extern int rvi_msg_len;
15 15
16 static FILE *gsm_data_file; 16 static FILE *record_file;
17 static u_long frame_count; 17 static u_long frame_count;
18 18
19 void 19 void
20 tch_dlbits_handler() 20 tch_dlbits_handler()
21 { 21 {
22 u_char writebytes[33]; 22 u_char *ptr;
23 int i;
23 24
24 if (!gsm_data_file) 25 if (!record_file)
25 return; 26 return;
26 gsm0610_tidsp_to_libgsm(rvi_msg + 9, writebytes); 27 /* DSP status words */
27 fwrite(writebytes, 1, 33, gsm_data_file); 28 ptr = rvi_msg + 3;
29 for (i = 0; i < 3; i++) {
30 fprintf(record_file, "%02X%02X ", ptr[0], ptr[1]);
31 ptr += 2;
32 }
33 /* frame bits */
34 for (i = 0; i < 33; i++) {
35 fprintf(record_file, "%02X", *ptr);
36 ptr++;
37 }
38 putc('\n', record_file);
28 frame_count++; 39 frame_count++;
29 } 40 }
30 41
31 static void 42 static void
32 cmd_tch_record_start(filename) 43 cmd_tch_record_start(filename)
33 char *filename; 44 char *filename;
34 { 45 {
35 if (gsm_data_file) { 46 if (record_file) {
36 printf("error: tch record session already in progress\n"); 47 printf("error: tch record session already in progress\n");
37 return; 48 return;
38 } 49 }
39 gsm_data_file = fopen(filename, "w"); 50 record_file = fopen(filename, "w");
40 if (!gsm_data_file) { 51 if (!record_file) {
41 perror(filename); 52 perror(filename);
42 return; 53 return;
43 } 54 }
44 printf("Starting TCH DL recording\n"); 55 printf("Starting TCH DL recording\n");
45 tch_rx_control(1); 56 tch_rx_control(1);
48 } 59 }
49 60
50 static void 61 static void
51 cmd_tch_record_stop() 62 cmd_tch_record_stop()
52 { 63 {
53 if (!gsm_data_file) { 64 if (!record_file) {
54 printf("error: no tch record session in progress\n"); 65 printf("error: no tch record session in progress\n");
55 return; 66 return;
56 } 67 }
57 fclose(gsm_data_file); 68 fclose(record_file);
58 gsm_data_file = 0; 69 record_file = 0;
59 printf("TCH DL recording stopped, captured %lu speech frames\n", 70 printf("TCH DL recording stopped, captured %lu speech frames\n",
60 frame_count); 71 frame_count);
61 send_tch_config_req(0); 72 send_tch_config_req(0);
62 } 73 }
63 74
77 88
78 void 89 void
79 show_tch_record_status() 90 show_tch_record_status()
80 { 91 {
81 printf("TCH DL recording: %s\n", 92 printf("TCH DL recording: %s\n",
82 gsm_data_file ? "RUNNING" : "not running"); 93 record_file ? "RUNNING" : "not running");
83 } 94 }