FreeCalypso > hg > ice1-trau-tester

annotate pcm/read_ts.c @ 18:61862af2247f

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ater: E1 timeslot output (osmo_i460 mux)
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 24 Jun 2024 07:26:20 +0000
parents ca351324187a
children
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1 /*
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2 * The function in this module gets called from Osmocom select loop
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3 * whenever the data socket to osmo-e1d is ready for reading.
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4 */
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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 <unistd.h>
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11
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12 #include <osmocom/core/select.h>
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13
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14 #include "globals.h"
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16 uint8_t readbuf[160];
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17 FILE *record_file;
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19 int ts_fd_cb(struct osmo_fd *ofd, unsigned int what)
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20 {
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21 int rc;
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22
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23 rc = read(ts_fd, readbuf, 160);
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24 if (rc != 160) {
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25 fprintf(stderr,
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26 "error: read from ts returned %d instead of 160\n",
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27 rc);
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28 exit(1);
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29 }
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30 if (record_file)
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31 fwrite(readbuf, 1, 160, record_file);
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32 transmit_pcm_20ms();
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33 return 0;
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34 }