update
git-svn-id: http://svn.openzap.org/svn/openzap/trunk@235 a93c3328-9c30-0410-af19-c9cd2b2d52af
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d852547058
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19bf0794a7
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@ -1,14 +1,14 @@
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[us]
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generate-dial => %(1000,0,350,440)
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generate-dial => v=-7;%(1000,0,350,440)
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detect-dial => 350,440
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generate-ring => %(2000,4000,440,480)
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generate-ring => v=-7;%(2000,4000,440,480)
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detect-ring => 440,480
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generate-busy => %(500,500,480,620)
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generate-busy => v=-7;%(500,500,480,620)
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detect-busy => 480,620
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generate-attn => %(100,100,1400,2060,2450,2600)
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generate-attn => v=0;%(100,100,1400,2060,2450,2600)
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detect-attn => 1400,2060,2450,2600
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detect-fail1 => 913.8
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@ -1,3 +1,3 @@
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CC=gcc
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CC_CFLAGS += -Wall -Werror -Wextra -std=c99 -pedantic -Wno-unused-parameter
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CC_CFLAGS += -Wall -Werror -Wextra -std=c99 -pedantic -Wno-unused-parameter
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@ -112,12 +112,12 @@ extern float powf (float, float);
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#define TELETONE_VOL_DB_MAX 0
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#define TELETONE_VOL_DB_MIN -63
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#define MAX_PHASE_TONES 4
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struct teletone_dds_state {
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uint32_t phase_rate;
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uint32_t phase_rate[MAX_PHASE_TONES];
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uint32_t scale_factor;
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uint32_t phase_accumulator;
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int16_t sample;
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teletone_process_t tx_level;
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};
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typedef struct teletone_dds_state teletone_dds_state_t;
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@ -131,11 +131,20 @@ typedef struct teletone_dds_state teletone_dds_state_t;
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extern int16_t TELETONE_SINES[SINE_TABLE_MAX];
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static __inline__ int16_t teletone_dds_modulate_sample(teletone_dds_state_t *dds)
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static __inline__ int32_t teletone_dds_phase_rate(teletone_process_t tone, uint32_t rate)
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{
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return (int32_t) ((tone * MAX_PHASE_ACCUMULATOR) / rate);
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}
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static __inline__ int16_t teletone_dds_state_modulate_sample(teletone_dds_state_t *dds, uint32_t pindex)
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{
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int32_t bitmask = dds->phase_accumulator, sine_index = (bitmask >>= 23) & SINE_TABLE_LEN;
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int16_t sample;
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if (pindex >= MAX_PHASE_TONES) {
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pindex = 0;
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}
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if (bitmask & SINE_TABLE_MAX) {
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sine_index = SINE_TABLE_LEN - sine_index;
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}
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@ -146,7 +155,7 @@ static __inline__ int16_t teletone_dds_modulate_sample(teletone_dds_state_t *dds
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sample *= -1;
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}
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dds->phase_accumulator += dds->phase_rate;
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dds->phase_accumulator += dds->phase_rate[pindex];
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return (int16_t) (sample * dds->scale_factor >> 15);
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}
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@ -154,19 +163,22 @@ static __inline__ int16_t teletone_dds_modulate_sample(teletone_dds_state_t *dds
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static __inline__ void teletone_dds_state_set_tx_level(teletone_dds_state_t *dds, float tx_level)
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{
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dds->scale_factor = (int) (powf(10.0f, (tx_level - DBM0_MAX_POWER) / 20.0f) * (32767.0f * 1.414214f));
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dds->tx_level = tx_level;
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}
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static __inline__ void teletone_dds_state_set_tone(teletone_dds_state_t *dds, teletone_process_t tone, uint32_t rate, float tx_level)
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static __inline__ void teletone_dds_state_reset_accum(teletone_dds_state_t *dds)
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{
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dds->phase_accumulator = 0;
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dds->phase_rate = (int32_t) ((tone * MAX_PHASE_ACCUMULATOR) / rate);
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}
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if (dds->tx_level != tx_level || !dds->scale_factor) {
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teletone_dds_state_set_tx_level(dds, tx_level);
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static __inline__ int teletone_dds_state_set_tone(teletone_dds_state_t *dds, teletone_process_t tone, uint32_t rate, uint32_t pindex)
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{
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if (pindex < MAX_PHASE_TONES) {
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dds->phase_rate[pindex] = teletone_dds_phase_rate(tone, rate);
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return 0;
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}
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dds->tx_level = tx_level;
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return -1;
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}
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@ -219,7 +219,8 @@ int teletone_mux_tones(teletone_generation_session_t *ts, teletone_tone_map_t *m
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if (map->freqs[0] > 0) {
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for (freqlen = 0; map->freqs[freqlen] && freqlen < TELETONE_MAX_TONES; freqlen++) {
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teletone_dds_state_set_tone(&tones[freqlen], map->freqs[freqlen], ts->rate, vol);
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teletone_dds_state_set_tone(&tones[freqlen], map->freqs[freqlen], ts->rate, 0);
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teletone_dds_state_set_tx_level(&tones[freqlen], vol);
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}
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if (ts->channels > 1) {
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@ -249,7 +250,7 @@ int teletone_mux_tones(teletone_generation_session_t *ts, teletone_tone_map_t *m
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sample = 128;
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for (i = 0; i < freqlen; i++) {
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int32_t s = teletone_dds_modulate_sample(&tones[i]);
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int32_t s = teletone_dds_state_modulate_sample(&tones[i], 0);
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sample += s;
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}
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sample /= freqlen;
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