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annotate uptools/libcoding/sms_submit.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents d1fa771abeb8
children
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1 /*
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2 * This library module implements the function for constructing outgoing
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3 * SMS-SUBMIT PDUs.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <strings.h>
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8
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9 make_sms_submit_pdu(da, pid, dcs, textsrc, textlen, udh, udhl, outbuf)
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10 u_char *da, *textsrc, *udh, *outbuf;
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11 unsigned textlen, udhl;
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12 {
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13 u_char *outp = outbuf;
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14 unsigned addr_field_len;
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15 unsigned udh_octets, udh_chars;
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16 u_char ud7[160];
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17 unsigned udl, udl_octets;
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19 if (udh)
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20 *outp++ = 0x41;
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21 else
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22 *outp++ = 0x01;
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23 *outp++ = 0;
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24 addr_field_len = ((da[0] + 1) >> 1) + 2;
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25 bcopy(da, outp, addr_field_len);
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26 outp += addr_field_len;
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27 *outp++ = pid;
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28 *outp++ = dcs;
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29 if (udh) {
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30 udh_octets = udhl + 1;
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31 udh_chars = (udh_octets * 8 + 6) / 7;
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32 } else {
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33 udh_octets = 0;
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34 udh_chars = 0;
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35 }
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36 udl = udh_chars + textlen;
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37 *outp++ = udl;
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38 udl_octets = (udl * 7 + 7) / 8;
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39 bzero(ud7, 160);
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40 bcopy(textsrc, ud7 + udh_chars, textlen);
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41 gsm7_pack(ud7, outp, udl_octets);
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42 if (udh) {
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43 *outp = udhl;
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44 bcopy(udh, outp + 1, udhl);
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45 }
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46 outp += udl_octets;
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47 return (outp - outbuf);
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48 }