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annotate uptools/libcoding/scaddr.c @ 426:13f0fc38cefd

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fcup-atinterf: 2x 30 ms appears to be sufficient to wake up from deep sleep
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 28 Oct 2018 20:30:13 +0000
parents ea41b6001848
children
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ea41b6001848 uptools/libcoding: SC address decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
ea41b6001848 uptools/libcoding: SC address decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
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2 * This library module contains the code that figures out how many digits
ea41b6001848 uptools/libcoding: SC address decoding implemented
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3 * are there in a PDU-encoded Service Centre address.
ea41b6001848 uptools/libcoding: SC address decoding implemented
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4 */
ea41b6001848 uptools/libcoding: SC address decoding implemented
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5
ea41b6001848 uptools/libcoding: SC address decoding implemented
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6 #include <sys/types.h>
ea41b6001848 uptools/libcoding: SC address decoding implemented
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7
ea41b6001848 uptools/libcoding: SC address decoding implemented
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8 sc_addr_ndigits(sca)
ea41b6001848 uptools/libcoding: SC address decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
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9 u_char *sca;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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10 {
ea41b6001848 uptools/libcoding: SC address decoding implemented
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11 unsigned nb, nd;
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12
ea41b6001848 uptools/libcoding: SC address decoding implemented
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13 nb = sca[0];
ea41b6001848 uptools/libcoding: SC address decoding implemented
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14 nd = (nb - 1) * 2;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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15 if ((sca[nb] & 0xF0) == 0xF0)
ea41b6001848 uptools/libcoding: SC address decoding implemented
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16 nd--;
ea41b6001848 uptools/libcoding: SC address decoding implemented
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17 return nd;
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18 }