44 lines
969 B
C
44 lines
969 B
C
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#include <stdint.h>
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static int16_t pattern[] = {
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0, 5320, 10063, 13716, 15883, 16328, 15004, 12054, 7798, 2697, -2697, -7798, -12054, -15004, -16328, -15883, -13716, -10063, -5320,
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//0, 2660, 5032, 6858, 7941, 8164, 7502, 6027, 3899, 1348, -1348, -3899, -6027, -7502, -8164, -7941, -6858, -5032, -2660,
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};
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static int16_t tone[7999];
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extern int16_t *ringback_spl;
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extern int ringback_size;
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extern int ringback_max;
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extern int16_t *busy_spl;
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extern int busy_size;
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extern int busy_max;
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extern int16_t *congestion_spl;
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extern int congestion_size;
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extern int congestion_max;
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void init_nmt_tones(void)
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{
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int i, j;
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for (i = 0, j = 0; i < 7999; i++) {
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tone[i] = pattern[j++];
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if (j == 19)
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j = 0;
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}
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ringback_spl = tone;
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ringback_size = 7999;
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ringback_max = 8 * 5000; /* 1000 / 4000 */
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busy_spl = tone;
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busy_size = 1995;
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busy_max = 8 * 500; /* 250 / 250 */
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congestion_spl = tone;
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congestion_size = 1995;
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congestion_max = 8 * 500; /* 250 / 250 */
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}
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