minor code cleanup
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23bb88ef6e
commit
db1fee9698
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@ -69,7 +69,6 @@ wave_rec_t wave_tx_rec;
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/* dummy functions */
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/* dummy functions */
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int num_kanal = 1; /* only one channel used for debugging */
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int num_kanal = 1; /* only one channel used for debugging */
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void display_status_limit_scroll() {}
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void *get_sender_by_empfangsfrequenz() { return NULL; }
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void *get_sender_by_empfangsfrequenz() { return NULL; }
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void display_measurements_add() {}
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void display_measurements_add() {}
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void display_measurements_update() {}
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void display_measurements_update() {}
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@ -63,7 +63,6 @@ wave_rec_t wave_tx_rec;
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/* dummy functions */
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/* dummy functions */
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int num_kanal = 1; /* only one channel used for debugging */
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int num_kanal = 1; /* only one channel used for debugging */
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void display_status_limit_scroll() {}
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void *get_sender_by_empfangsfrequenz() { return NULL; }
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void *get_sender_by_empfangsfrequenz() { return NULL; }
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void display_measurements_add() {}
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void display_measurements_add() {}
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void display_measurements_update() {}
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void display_measurements_update() {}
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@ -305,7 +305,7 @@ void fsk_demod_receive(fsk_demod_t *fsk, sample_t *sample, int length)
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else
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else
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bit = fsk->high_bit;
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bit = fsk->high_bit;
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#ifdef DEBUG_FILTER
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#ifdef DEBUG_FILTER
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printf("|%s| %.3f\n", debug_amplitude(f / fabs(fsk->f0_deviation)), f / fabs(fsk->f0_deviation));
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printf("|%s| %.3f\n", debug_amplitude(f / fabs(fsk->f0_deviation) / 2), f / fabs(fsk->f0_deviation));
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#endif
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#endif
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@ -330,7 +330,7 @@ void fsk_demod_receive(fsk_demod_t *fsk, sample_t *sample, int length)
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* since we filter out the unwanted modulation product, the vector is only half of length */
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* since we filter out the unwanted modulation product, the vector is only half of length */
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level = sqrt(I[i] * I[i] + Q[i] * Q[i]) * 2.0;
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level = sqrt(I[i] * I[i] + Q[i] * Q[i]) * 2.0;
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#ifdef DEBUG_FILTER
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#ifdef DEBUG_FILTER
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printf("prematurely bit change (level=%.3f)\n", level / fsk->level);
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printf("prematurely bit change (level=%.3f)\n", level);
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#endif
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#endif
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/* quality is 0.0, because a prematurely level change is caused by noise and has nothing to measure. */
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/* quality is 0.0, because a prematurely level change is caused by noise and has nothing to measure. */
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fsk->receive_bit(fsk->inst, fsk->rx_bit, 0.0, level);
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fsk->receive_bit(fsk->inst, fsk->rx_bit, 0.0, level);
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@ -351,10 +351,9 @@ void fsk_demod_receive(fsk_demod_t *fsk, sample_t *sample, int length)
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if (quality < 0)
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if (quality < 0)
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quality = 0;
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quality = 0;
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#ifdef DEBUG_FILTER
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#ifdef DEBUG_FILTER
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printf("sample (level=%.3f, quality=%.3f)\n", level / fsk->level, quality);
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printf("sample (level=%.3f, quality=%.3f)\n", level, quality);
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#endif
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#endif
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/* adjust the values, because this is best we can get from fm demodulator */
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fsk->receive_bit(fsk->inst, bit, quality, level);
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fsk->receive_bit(fsk->inst, bit, quality / 0.95, level);
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fsk->rx_bitpos -= 1.0;
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fsk->rx_bitpos -= 1.0;
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fsk->rx_change = 0;
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fsk->rx_change = 0;
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}
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}
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