KIK01 Release
Dependencies: mcp3008 mbed mbed-rtos AverageMCP3008 VoltageMonitor
EnvelopeAR.h@25:b4977c7e0db7, 2017-09-28 (annotated)
- Committer:
- ryood
- Date:
- Thu Sep 28 02:32:53 2017 +0000
- Revision:
- 25:b4977c7e0db7
- Parent:
- 24:e9fbadd15e90
- Child:
- 43:e5e2d1761156
clean up
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ryood | 22:a3bb7594f9bb | 1 | /* |
ryood | 22:a3bb7594f9bb | 2 | * AR Type Envelope Class |
ryood | 22:a3bb7594f9bb | 3 | * |
ryood | 22:a3bb7594f9bb | 4 | * 2017.09.18 |
ryood | 22:a3bb7594f9bb | 5 | * |
ryood | 22:a3bb7594f9bb | 6 | */ |
ryood | 22:a3bb7594f9bb | 7 | |
ryood | 25:b4977c7e0db7 | 8 | #ifndef _ENVELOPE_AR_H_ |
ryood | 25:b4977c7e0db7 | 9 | #define _ENVELOPE_AR_H_ |
ryood | 25:b4977c7e0db7 | 10 | |
ryood | 25:b4977c7e0db7 | 11 | class EnvelopeParam |
ryood | 25:b4977c7e0db7 | 12 | { |
ryood | 25:b4977c7e0db7 | 13 | public: |
ryood | 25:b4977c7e0db7 | 14 | int attack; |
ryood | 25:b4977c7e0db7 | 15 | int release; |
ryood | 25:b4977c7e0db7 | 16 | float v0; |
ryood | 25:b4977c7e0db7 | 17 | float v1; |
ryood | 25:b4977c7e0db7 | 18 | float v2; |
ryood | 25:b4977c7e0db7 | 19 | float attackTauRatio; |
ryood | 25:b4977c7e0db7 | 20 | float releaseTauRatio; |
ryood | 25:b4977c7e0db7 | 21 | }; |
ryood | 25:b4977c7e0db7 | 22 | |
ryood | 25:b4977c7e0db7 | 23 | class EnvelopeAR |
ryood | 22:a3bb7594f9bb | 24 | { |
ryood | 22:a3bb7594f9bb | 25 | public: |
ryood | 22:a3bb7594f9bb | 26 | EnvelopeAR(int _attack, int _release, float _v0, float _v1, float _v2, float _attackTauRatio=0.36f, float _releaseTauRatio=0.36f) : |
ryood | 22:a3bb7594f9bb | 27 | amplitude(_v0), |
ryood | 22:a3bb7594f9bb | 28 | v0(_v0), |
ryood | 22:a3bb7594f9bb | 29 | v1(_v1), |
ryood | 22:a3bb7594f9bb | 30 | v2(_v2), |
ryood | 22:a3bb7594f9bb | 31 | attackTauRatio(_attackTauRatio), |
ryood | 25:b4977c7e0db7 | 32 | releaseTauRatio(_releaseTauRatio) |
ryood | 25:b4977c7e0db7 | 33 | { |
ryood | 22:a3bb7594f9bb | 34 | setAttack(_attack); |
ryood | 22:a3bb7594f9bb | 35 | setRelease(_release); |
ryood | 22:a3bb7594f9bb | 36 | } |
ryood | 22:a3bb7594f9bb | 37 | |
ryood | 25:b4977c7e0db7 | 38 | EnvelopeAR(const EnvelopeParam& param) : |
ryood | 25:b4977c7e0db7 | 39 | amplitude(param.v0), |
ryood | 25:b4977c7e0db7 | 40 | v0(param.v0), |
ryood | 25:b4977c7e0db7 | 41 | v1(param.v1), |
ryood | 25:b4977c7e0db7 | 42 | v2(param.v2), |
ryood | 25:b4977c7e0db7 | 43 | attackTauRatio(param.attackTauRatio), |
ryood | 25:b4977c7e0db7 | 44 | releaseTauRatio(param.releaseTauRatio) |
ryood | 25:b4977c7e0db7 | 45 | { |
ryood | 25:b4977c7e0db7 | 46 | setAttack(param.attack); |
ryood | 25:b4977c7e0db7 | 47 | setRelease(param.release); |
ryood | 25:b4977c7e0db7 | 48 | } |
ryood | 25:b4977c7e0db7 | 49 | |
ryood | 22:a3bb7594f9bb | 50 | ~EnvelopeAR() {} |
ryood | 22:a3bb7594f9bb | 51 | |
ryood | 22:a3bb7594f9bb | 52 | void setAttack(int _attack) { |
ryood | 22:a3bb7594f9bb | 53 | attack = _attack; |
ryood | 22:a3bb7594f9bb | 54 | tau0 = attack * attackTauRatio; |
ryood | 22:a3bb7594f9bb | 55 | } |
ryood | 22:a3bb7594f9bb | 56 | int getAttack() { |
ryood | 22:a3bb7594f9bb | 57 | return attack; |
ryood | 22:a3bb7594f9bb | 58 | } |
ryood | 22:a3bb7594f9bb | 59 | |
ryood | 22:a3bb7594f9bb | 60 | void setRelease(int _release) { |
ryood | 22:a3bb7594f9bb | 61 | release = _release; |
ryood | 22:a3bb7594f9bb | 62 | tau1 = release * releaseTauRatio; |
ryood | 22:a3bb7594f9bb | 63 | } |
ryood | 22:a3bb7594f9bb | 64 | int getRelease() { |
ryood | 22:a3bb7594f9bb | 65 | return release; |
ryood | 22:a3bb7594f9bb | 66 | } |
ryood | 22:a3bb7594f9bb | 67 | |
ryood | 22:a3bb7594f9bb | 68 | void setAttackTauRatio(float _attackTauRatio) { |
ryood | 22:a3bb7594f9bb | 69 | attackTauRatio = _attackTauRatio; |
ryood | 22:a3bb7594f9bb | 70 | tau0 = attack * attackTauRatio; |
ryood | 22:a3bb7594f9bb | 71 | } |
ryood | 22:a3bb7594f9bb | 72 | float getAttackTauRatio() { |
ryood | 22:a3bb7594f9bb | 73 | return attackTauRatio; |
ryood | 22:a3bb7594f9bb | 74 | } |
ryood | 22:a3bb7594f9bb | 75 | |
ryood | 22:a3bb7594f9bb | 76 | void setReleaseTauRatio(float _releaseTauRatio) { |
ryood | 22:a3bb7594f9bb | 77 | releaseTauRatio = _releaseTauRatio; |
ryood | 22:a3bb7594f9bb | 78 | tau1 = release * releaseTauRatio; |
ryood | 22:a3bb7594f9bb | 79 | } |
ryood | 22:a3bb7594f9bb | 80 | float getReleaseTauRatio() { |
ryood | 22:a3bb7594f9bb | 81 | return releaseTauRatio; |
ryood | 22:a3bb7594f9bb | 82 | } |
ryood | 22:a3bb7594f9bb | 83 | |
ryood | 22:a3bb7594f9bb | 84 | float getTau0() { |
ryood | 22:a3bb7594f9bb | 85 | return tau0; |
ryood | 22:a3bb7594f9bb | 86 | } |
ryood | 22:a3bb7594f9bb | 87 | float getTau1() { |
ryood | 22:a3bb7594f9bb | 88 | return tau1; |
ryood | 22:a3bb7594f9bb | 89 | } |
ryood | 22:a3bb7594f9bb | 90 | |
ryood | 22:a3bb7594f9bb | 91 | void setV0(float _v0) { |
ryood | 22:a3bb7594f9bb | 92 | v0 = _v0; |
ryood | 22:a3bb7594f9bb | 93 | } |
ryood | 22:a3bb7594f9bb | 94 | float getV0() { |
ryood | 22:a3bb7594f9bb | 95 | return v0; |
ryood | 22:a3bb7594f9bb | 96 | } |
ryood | 22:a3bb7594f9bb | 97 | void setV1(float _v1) { |
ryood | 22:a3bb7594f9bb | 98 | v1 = _v1; |
ryood | 22:a3bb7594f9bb | 99 | } |
ryood | 22:a3bb7594f9bb | 100 | float getV1() { |
ryood | 22:a3bb7594f9bb | 101 | return v1; |
ryood | 22:a3bb7594f9bb | 102 | } |
ryood | 22:a3bb7594f9bb | 103 | void setV2(float _v2) { |
ryood | 22:a3bb7594f9bb | 104 | v2 = _v2; |
ryood | 22:a3bb7594f9bb | 105 | } |
ryood | 22:a3bb7594f9bb | 106 | float getV2() { |
ryood | 22:a3bb7594f9bb | 107 | return v2; |
ryood | 22:a3bb7594f9bb | 108 | } |
ryood | 22:a3bb7594f9bb | 109 | |
ryood | 22:a3bb7594f9bb | 110 | float getAmplitude() { |
ryood | 22:a3bb7594f9bb | 111 | return amplitude; |
ryood | 22:a3bb7594f9bb | 112 | } |
ryood | 24:e9fbadd15e90 | 113 | |
ryood | 25:b4977c7e0db7 | 114 | void setParam(const EnvelopeParam& param) { |
ryood | 25:b4977c7e0db7 | 115 | setV0(param.v0); |
ryood | 25:b4977c7e0db7 | 116 | setV1(param.v1); |
ryood | 25:b4977c7e0db7 | 117 | setV2(param.v2); |
ryood | 25:b4977c7e0db7 | 118 | setAttackTauRatio(param.attackTauRatio); |
ryood | 25:b4977c7e0db7 | 119 | setReleaseTauRatio(param.releaseTauRatio); |
ryood | 25:b4977c7e0db7 | 120 | setAttack(param.attack); |
ryood | 25:b4977c7e0db7 | 121 | setRelease(param.release); |
ryood | 25:b4977c7e0db7 | 122 | } |
ryood | 25:b4977c7e0db7 | 123 | |
ryood | 22:a3bb7594f9bb | 124 | float getAmplitude(int tick) { |
ryood | 24:e9fbadd15e90 | 125 | if (tick <= attack) { |
ryood | 22:a3bb7594f9bb | 126 | // attackの処理 |
ryood | 22:a3bb7594f9bb | 127 | amplitude = v0 + (v1 - v0) * (1 - expf(-(float)tick / tau0)); |
ryood | 22:a3bb7594f9bb | 128 | } else { |
ryood | 22:a3bb7594f9bb | 129 | // releaseの処理 |
ryood | 24:e9fbadd15e90 | 130 | float vAttack = v0 + (v1 - v0) * (1 - expf(-attack / tau0)); |
ryood | 24:e9fbadd15e90 | 131 | amplitude = (vAttack - v2) * (expf(-(float)(tick - attack) / tau1)) + v2; |
ryood | 22:a3bb7594f9bb | 132 | } |
ryood | 22:a3bb7594f9bb | 133 | return amplitude; |
ryood | 22:a3bb7594f9bb | 134 | } |
ryood | 22:a3bb7594f9bb | 135 | |
ryood | 22:a3bb7594f9bb | 136 | private: |
ryood | 22:a3bb7594f9bb | 137 | int attack; |
ryood | 22:a3bb7594f9bb | 138 | int release; |
ryood | 22:a3bb7594f9bb | 139 | float amplitude; |
ryood | 22:a3bb7594f9bb | 140 | float v0; |
ryood | 22:a3bb7594f9bb | 141 | float v1; |
ryood | 22:a3bb7594f9bb | 142 | float v2; |
ryood | 22:a3bb7594f9bb | 143 | float tau0; |
ryood | 22:a3bb7594f9bb | 144 | float tau1; |
ryood | 22:a3bb7594f9bb | 145 | float attackTauRatio; |
ryood | 22:a3bb7594f9bb | 146 | float releaseTauRatio; |
ryood | 22:a3bb7594f9bb | 147 | }; |
ryood | 22:a3bb7594f9bb | 148 | |
ryood | 22:a3bb7594f9bb | 149 | #endif //_ENVELOPE_AR_H_ |