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annotate pcm/read_ts.c @ 2:c03ec046471f

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pcm: initial version compiles and links
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 23 Jun 2024 08:35:46 +0000
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children 631f2db08538
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c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * The function in this module gets called from Osmocom select loop
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
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3 * whenever the data socket to osmo-e1d is ready for reading.
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Mychaela Falconia <falcon@freecalypso.org>
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4 */
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Mychaela Falconia <falcon@freecalypso.org>
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5
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
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6 #include <stdint.h>
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7 #include <stdbool.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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9 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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10 #include <unistd.h>
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11
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include <osmocom/core/select.h>
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13
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Mychaela Falconia <falcon@freecalypso.org>
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14 #include "globals.h"
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15
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Mychaela Falconia <falcon@freecalypso.org>
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16 uint8_t readbuf[160];
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17
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Mychaela Falconia <falcon@freecalypso.org>
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18 int ts_fd_cb(struct osmo_fd *ofd, unsigned int what)
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Mychaela Falconia <falcon@freecalypso.org>
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19 {
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Mychaela Falconia <falcon@freecalypso.org>
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20 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
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21
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Mychaela Falconia <falcon@freecalypso.org>
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22 rc = read(ts_fd, readbuf, 160);
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Mychaela Falconia <falcon@freecalypso.org>
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23 if (rc != 160) {
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Mychaela Falconia <falcon@freecalypso.org>
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24 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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25 "error: read from ts returned %d instead of 160\n",
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Mychaela Falconia <falcon@freecalypso.org>
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26 rc);
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Mychaela Falconia <falcon@freecalypso.org>
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27 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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28 }
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Mychaela Falconia <falcon@freecalypso.org>
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29 return 0;
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30 }