Files
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blinds / hardware_design / pcb / blinds_v60.brd
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blinds / hardware_design / pcb / blinds_v60.sch
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braids / hardware_design / pcb / braids_v50.brd
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braids / hardware_design / pcb / braids_v50.sch
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branches / hardware_design / pcb / branches_v40.brd
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branches / hardware_design / pcb / branches_v40.sch
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clouds / hardware_design / pcb / clouds_v30.brd
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clouds / hardware_design / pcb / clouds_v30.sch
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ears / hardware_design / panel / ears_panel_v30.brd
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ears / hardware_design / panel / ears_panel_v30.sch
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ears / hardware_design / pcb / ears_v40.brd
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ears / hardware_design / pcb / ears_v40.sch
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edges / hardware_design / pcb / edges_expander_v01.brd
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edges / hardware_design / pcb / edges_expander_v01.sch
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edges / hardware_design / pcb / edges_v20.brd
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edges / hardware_design / pcb / edges_v20.sch
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elements / hardware_design / pcb / elements_v02.brd
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elements / hardware_design / pcb / elements_v02.sch
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frames / hardware_design / pcb / frames_v03.brd
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frames / hardware_design / pcb / frames_v03.sch
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grids / hardware_design / pcb / grids_v02.brd
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grids / hardware_design / pcb / grids_v02.sch
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kinks / hardware_design / pcb / kinks_v41.brd
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kinks / hardware_design / pcb / kinks_v41.sch
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links / hardware_design / pcb / links_v40.brd
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links / hardware_design / pcb / links_v40.sch
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marbles / hardware_design / pcb / marbles_v70.brd
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marbles / hardware_design / pcb / marbles_v70.sch
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peaks / hardware_design / pcb / peaks_v30.brd
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peaks / hardware_design / pcb / peaks_v30.sch
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plaits / hardware_design / pcb / plaits_v50.brd
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plaits / hardware_design / pcb / plaits_v50.sch
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rings / hardware_design / pcb / rings_v30.brd
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rings / hardware_design / pcb / rings_v30.sch
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ripples / hardware_design / pcb / ripples_v40.brd
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ripples / hardware_design / pcb / ripples_v40.sch
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shades / hardware_design / pcb / shades_v30.brd
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shades / hardware_design / pcb / shades_v30.sch
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shelves / hardware_design / pcb / shelves_expander_v10.brd
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shelves / hardware_design / pcb / shelves_expander_v10.sch
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shelves / hardware_design / pcb / shelves_v05.brd
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shelves / hardware_design / pcb / shelves_v05.sch
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stages / hardware_design / pcb / stages_v70.brd
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stages / hardware_design / pcb / stages_v70.sch
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streams / hardware_design / pcb / streams_v02_bargraph.brd
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streams / hardware_design / pcb / streams_v02_bargraph.sch
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streams / hardware_design / pcb / streams_v05.brd
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streams / hardware_design / pcb / streams_v05.sch
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tides / hardware_design / pcb / tides_v40.brd
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tides / hardware_design / pcb / tides_v40.sch
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veils / hardware_design / pcb / veils_v40.brd
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veils / hardware_design / pcb / veils_v40.sch
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volts / hardware_design / pcb / volts_v01.brd
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volts / hardware_design / pcb / volts_v01.sch
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warps / hardware_design / pcb / warps_v30.brd
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warps / hardware_design / pcb / warps_v30.sch
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yarns / hardware_design / pcb / yarns_v03.brd
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yarns / hardware_design / pcb / yarns_v03.sch
Last update 5 years 11 months
Filesframes | |
---|---|
.. | |
bootloader | |
drivers | |
hardware_design | |
resources | |
__init__.py | |
frames.cc | |
keyframer.cc | |
keyframer.h | |
makefile | |
poly_lfo.cc | |
poly_lfo.h | |
resources.cc | |
resources.h | |
ui.cc | |
ui.h |
poly_lfo.h// Copyright 2013 Olivier Gillet. // // Author: Olivier Gillet (ol.gillet@gmail.com) // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. // // See http://creativecommons.org/licenses/MIT/ for more information. // // ----------------------------------------------------------------------------- // // Poly LFO. #ifndef FRAMES_POLY_LFO_H_ #define FRAMES_POLY_LFO_H_ #include "stmlib/stmlib.h" #include "frames/keyframer.h" namespace frames { class PolyLfo { public: PolyLfo() { } ~PolyLfo() { } void Init(); void Render(int32_t frequency); inline void set_shape(uint16_t shape) { shape_ = shape; } inline void set_shape_spread(uint16_t shape_spread) { shape_spread_ = static_cast<int16_t>(shape_spread - 32768) >> 1; } inline void set_spread(uint16_t spread) { if (spread < 32768) { int32_t x = spread - 32768; int32_t scaled = -(x * x >> 15); spread_ = (x + 3 * scaled) >> 2; } else { spread_ = spread - 32768; } } inline void set_coupling(uint16_t coupling) { int32_t x = coupling - 32768; int32_t scaled = x * x >> 15; scaled = x > 0 ? scaled : - scaled; scaled = (x + 3 * scaled) >> 2; coupling_ = (scaled >> 4) * 10; } inline uint8_t level(uint8_t index) const { return level_[index]; } inline const uint8_t* color() const { return &color_[0]; } inline const uint16_t dac_code(uint8_t index) const { return dac_code_[index]; } static uint32_t FrequencyToPhaseIncrement(int32_t frequency); private: static const uint8_t rainbow_[17][3]; uint16_t shape_; int16_t shape_spread_; int32_t spread_; int16_t coupling_; int16_t value_[kNumChannels]; uint32_t phase_[kNumChannels]; uint8_t level_[kNumChannels]; uint16_t dac_code_[kNumChannels]; uint8_t color_[3]; DISALLOW_COPY_AND_ASSIGN(PolyLfo); }; } // namespace frames #endif // FRAMES_POLY_LFO_H_