77 lines
1.5 KiB
C
77 lines
1.5 KiB
C
#include "openzap.h"
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struct ttmp {
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int fd;
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};
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static int teletone_handler(teletone_generation_session_t *ts, teletone_tone_map_t *map)
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{
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struct ttmp *tmp = ts->user_data;
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int wrote;
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size_t len;
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wrote = teletone_mux_tones(ts, map);
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len = write(tmp->fd, ts->buffer, wrote * 2);
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if (!len) return -1;
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return 0;
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}
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#if 1
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int main(int argc, char *argv[])
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{
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teletone_generation_session_t ts;
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struct ttmp tmp;
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if (argc < 3) {
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fprintf(stderr, "Arg Error! <file> <tones>\n");
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exit(-1);
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}
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if ((tmp.fd = open(argv[1], O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {
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fprintf(stderr, "File Error! [%s]\n", strerror(errno));
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exit(-1);
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}
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teletone_init_session(&ts, 0, teletone_handler, &tmp);
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ts.rate = 8000;
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ts.debug = 1;
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ts.debug_stream = stdout;
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teletone_run(&ts, argv[2]);
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close(tmp.fd);
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return 0;
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}
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#else
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int32_t main(int argc, char *argv[])
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{
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int32_t j, i, fd = -1;
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int32_t rate = 8000;
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/* SIT tones and durations */
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float tones[] = { 913.8, 1370.6, 1776.7, 0 };
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int32_t durations[] = {274, 274, 380, 0};
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teletone_dds_state_t dds = {0};
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int16_t sample;
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size_t len = 1;
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if (argc < 2 || (fd = open(argv[1], O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {
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fprintf(stderr, "File Error!\n", strerror(errno));
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exit(-1);
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}
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for (j = 0; tones[j] && durations[j]; j++) {
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teletone_dds_state_set_tone(&dds, tones[j], rate, -50);
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for(i = 0; (i < durations[j] * rate / 1000) && len != 0; i++) {
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sample = teletone_dds_modulate_sample(&dds) * 20;
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len = write(fd, &sample, sizeof(sample));
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}
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}
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close(fd);
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}
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#endif
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