FreeCalypso > hg > themwi-interim

annotate libutil/dtmf_valid.c @ 7:d0b86b144577

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top Makefile: add mtctest
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 09 Jun 2024 01:56:27 +0000
parents b161dbfffdaa
children
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1
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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2 * Here we implement a function that validates DTMF digits which arrive
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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3 * from GSM MS via MNCC_START_DTMF_IND.
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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4 */
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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5
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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6 is_valid_dtmf_digit(c)
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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7 {
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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8 switch (c) {
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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9 case '0':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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10 case '1':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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11 case '2':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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12 case '3':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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13 case '4':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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14 case '5':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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15 case '6':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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16 case '7':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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17 case '8':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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18 case '9':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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19 case '*':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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20 case '#':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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21 case 'A':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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22 case 'B':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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23 case 'C':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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24 case 'D':
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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25 return(1);
b161dbfffdaa include, libutil: port from old ThemWi
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26 default:
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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27 return(0);
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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28 }
b161dbfffdaa include, libutil: port from old ThemWi
Mychaela Falconia <falcon@freecalypso.org>
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29 }