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path: root/src/glutt-o-logique/audio_in.c
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* Remove TODO warningsMatthias P. Braendli2019-05-101-3/+0
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* Show DAC SR when spurious TIM DAC ISR occursMatthias P. Braendli2019-05-101-1/+3
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* Fix FAX detection and outputMatthias P. Braendli2019-04-191-2/+1
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* Fix simulator compilationMatthias P. Braendli2019-04-191-1/+1
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* Fix tone detectionMatthias P. Braendli2019-04-191-47/+7
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* tone: do Q1 and Q2 calculation inside IRQMatthias P. Braendli2019-04-191-0/+4
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* Properly use queues from ISRMatthias P. Braendli2019-04-141-2/+6
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* Implement DTMF sequence decoding and FSM activation of tone detector (untested)Matthias P. Braendli2019-04-121-5/+12
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* Rework tone detectorMatthias P. Braendli2019-04-111-43/+75
| | | | | | | | | - Send buffer pointers from ISR to userspace - Use ADC interrupt to fetch data, not TIM6 - Increase size of buffer and do double-buffering - Implement DTMF detectors - Compare relative results instead of using absolute thresholds - Add an IIR averaging filter on the results
* Add some 1750 detection code to glutt-o-logicMatthias P. Braendli2019-04-111-0/+148