添加一些关于midi播放的项目
This commit is contained in:
terryLP
@@ -0,0 +1,177 @@
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#ifdef RUN_TEST
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#include "SynthCore.h"
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#include "Player.h"
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#include <stdint.h>
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#include <stdio.h>
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#define TEST_LOOP_NUN 10000
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void TestInit(void)
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{
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SynthInit(&synthForC);
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SynthInit(&synthForAsm);
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}
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int16_t abs_u16(int16_t num)
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{
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return num > 0 ? num : -num;
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}
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void PrintParameters(Synthesizer *synth)
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{
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SoundUnitUnion *soundUnionList;
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printf("MixOut:%d\n", synth->mixOut);
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soundUnionList = &(synth->SoundUnitUnionList[0]);
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printf("%12s", "Chn Val");
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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printf("%6d ", soundUnionList[k].combine.val);
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}
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printf("\n");
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printf("%12s", "Chn Sample");
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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printf("%6d ", soundUnionList[k].combine.sampleVal);
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}
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printf("\n");
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printf("%12s", "Chn EnvLevel");
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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printf("%6d ", soundUnionList[k].combine.envelopeLevel);
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}
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printf("\n");
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printf("%12s", "Chn WavePos");
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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printf("%6d ", soundUnionList[k].combine.wavetablePos_int);
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}
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printf("\n");
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printf("%12s", "Chn EnvlPos");
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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printf("%6d ", soundUnionList[k].combine.envelopePos);
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}
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printf("\n");
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printf("%12s", "Chn NoteIncr");
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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printf("%6d ", soundUnionList[k].combine.increment);
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}
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printf("\n");
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}
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void TestUpdateTickFunc(void)
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{
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uint32_t i;
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PlayerInit(&mainPlayer,&synthForC);
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printf("~~~~~~~Start testing updateTickFunc.~~~~~~~\n");
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for (i = 0; i < 0xffff; i++)
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{
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if (i != mainPlayer.currentTick)
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{
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printf("UpdateTickFunc get wrong in %ld loop.\n", i);
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break;
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}
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UpdateTick();
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}
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if (i == mainPlayer.currentTick)
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printf("UpdateTickFunc passed the test.\n");
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}
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uint8_t SynthParamterCompare(Synthesizer *synthA, Synthesizer *synthB)
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{
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uint8_t error = 0;
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SoundUnitUnion *sa = &(synthA->SoundUnitUnionList[0]);
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SoundUnitUnion *sb = &(synthB->SoundUnitUnionList[0]);
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if (abs_u16(synthA->mixOut - synthB->mixOut) > POLY_NUM)
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error++;
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for (uint8_t k = 0; k < POLY_NUM; k++)
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{
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if (abs_u16(sa[k].combine.val - sb[k].combine.val) > 2)
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{
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printf("SND ID:%d Wrong chn value\n",k);
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error++;
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}
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if (sa[k].combine.sampleVal != sb[k].combine.sampleVal)
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{
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printf("SND ID:%d Wrong sample value\n",k);
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error++;
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}
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if (sa[k].combine.envelopeLevel != sb[k].combine.envelopeLevel)
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{
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printf("SND ID:%d Wrong envelopeLevel\n",k);
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error++;
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}
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if (sa[k].combine.envelopePos != sb[k].combine.envelopePos)
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{
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printf("SND ID:%d Wrong envelopePos\n",k);
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error++;
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}
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if (sa[k].combine.wavetablePos_frac != sb[k].combine.wavetablePos_frac)
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{
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printf("SND ID:%d Wrong wavetablePos_frac\n",k);
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error++;
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}
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if (sa[k].combine.wavetablePos_int != sb[k].combine.wavetablePos_int)
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{
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printf("SND ID:%d Wrong wavetablePos_int\n",k);
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error++;
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}
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if (sa[k].combine.increment != sb[k].combine.increment)
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{
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printf("SND ID:%d Wrong increment\n",k);
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error++;
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}
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}
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if (error > 0)
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{
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printf("%d error(s) found:\n", error);
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printf("Synth C:\n");
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PrintParameters(synthA);
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printf("Synth ASM:\n");
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PrintParameters(synthB);
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}
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else
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{
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printf("Passed.\n");
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}
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return error;
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}
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void TestSynth(void)
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{
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printf("~~~~~~~Start testing synthesizer.~~~~~~~\n");
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for (uint8_t i = 0; i < POLY_NUM; i++)
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{
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NoteOnC(i % 56);
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NoteOnAsm(i % 56);
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}
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for (uint16_t i = 0; i < TEST_LOOP_NUN; i++)
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{
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for (uint8_t i = 0; i < 200; i++)
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{
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SynthAsm();
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SynthC();
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}
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GenDecayEnvlopeAsm();
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GenDecayEnvlopeC();
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printf("=============%d==============\n", i);
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if (SynthParamterCompare(&synthForC, &synthForAsm) > 0)
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break;
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}
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}
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void TestProcess(void)
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{
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TestInit();
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//TestUpdateTickFunc();
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TestSynth();
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}
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#endif
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@@ -0,0 +1,27 @@
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#ifndef __ASM_COMMON_H__
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#define __ASM_COMMON_H__
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#define xl r26
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#define xh r27
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#define yl r28
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#define yh r29
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#define zl r30
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#define zh r31
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#define zero r1
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#define t0l r18
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#define t0h r19
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#define t1l r20
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#define t1h r21
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#define t2l r22
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#define t2h r23
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#define mixOutl r14
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#define mixOuth r15
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#define mixOute t2h
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#define loopIndex r16
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#define arg0l r24
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#define arg0h r25
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#define arg1l r22
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#define arg1h r23
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#endif
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@@ -0,0 +1,20 @@
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#include <stdint.h>
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#include <avr/pgmspace.h>
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const uint8_t EnvelopeTable[] PROGMEM = {
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255, 252, 250, 247, 245, 243, 240, 238, 235, 233, 231, 228, 226, 224, 222, 219,
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217, 215, 213, 211, 209, 207, 205, 203, 201, 199, 197, 195, 193, 191, 189, 187,
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185, 183, 182, 180, 178, 176, 174, 173, 171, 169, 168, 166, 164, 163, 161, 159,
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158, 156, 155, 153, 152, 150, 149, 147, 146, 144, 143, 141, 140, 139, 137, 136,
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134, 133, 132, 130, 129, 128, 127, 125, 124, 123, 122, 120, 119, 118, 117, 116,
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115, 113, 112, 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99,
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98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 87, 86, 85, 84,
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83, 82, 82, 81, 80, 79, 78, 78, 77, 76, 75, 75, 74, 73, 72, 72,
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71, 70, 69, 69, 68, 67, 67, 66, 65, 65, 64, 64, 63, 62, 62, 61,
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60, 60, 59, 59, 58, 57, 57, 56, 56, 55, 55, 54, 54, 53, 53, 52,
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51, 51, 50, 50, 49, 49, 48, 48, 48, 47, 47, 46, 46, 45, 45, 44,
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44, 43, 43, 43, 42, 42, 41, 40, 40, 39, 39, 38, 38, 37, 37, 36,
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35, 35, 34, 34, 33, 33, 32, 31, 31, 30, 30, 29, 29, 28, 28, 27,
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26, 26, 25, 25, 24, 24, 23, 22, 22, 21, 21, 20, 20, 19, 19, 18,
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17, 17, 16, 16, 15, 15, 14, 13, 13, 12, 12, 11, 11, 10, 10, 9,
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8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 3, 2, 2, 1, 0, 0};
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@@ -0,0 +1,28 @@
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#include <avr/io.h>
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#define PeriodTimerHandler TIMER0_COMPA_vect
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.section .text
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.global PeriodTimerHandler
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PeriodTimerHandler:
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sbi _SFR_IO_ADDR(PORTB),0
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in r0, _SFR_IO_ADDR(SREG)
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push r0
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push r18
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push r19
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push r20
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push r21
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push r30
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push r31
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#include "Synth.inc"
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#include "UpdateTick.inc"
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pop r31
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pop r30
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pop r21
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pop r20
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pop r19
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pop r18
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pop r0
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out _SFR_IO_ADDR(SREG), r0
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cbi _SFR_IO_ADDR(PORTB),0
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reti
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@@ -0,0 +1,12 @@
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#ifndef __PERIOD_TIMER_H__
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#define __PERIOD_TIMER_H__
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#ifndef __ASSEMBLER__
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extern uint32_t currentTick;
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extern uint8_t decayGenTick;
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#else
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.extern currentTick
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.extern decayGenTick
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#endif
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#endif
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@@ -0,0 +1,58 @@
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <avr/io.h>
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#include "SynthCore.h"
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#include "Player.h"
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#include "PeriodTimer.h"
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void PlayerProcess(Player *player)
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{
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uint8_t temp;
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if (decayGenTick >= DECAY_TIME_FACTOR)
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{
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GenDecayEnvlopeAsm();
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decayGenTick = 0;
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}
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if (player->status == STATUS_PLAYING)
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{
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if (PlayNoteTimingCheck(player))
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{
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do
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{
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temp = pgm_read_byte(player->scorePointer);
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player->scorePointer++;
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if (temp == 0xFF)
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{
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player->status = STATUS_STOP;
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}
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else
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{
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NoteOnAsm(temp);
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}
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} while ((temp & 0x80) == 0);
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PlayUpdateNextScoreTick(player);
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}
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}
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}
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void PlayerPlay(Player *player, uint8_t *score)
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{
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player->lastScoreTick = 0;
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player->scorePointer = score;
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currentTick = 0;
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PlayUpdateNextScoreTick(player);
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player->status = STATUS_PLAYING;
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}
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void PlayerInit(Player *player, Synthesizer *synthesizer)
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{
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player->status = STATUS_STOP;
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player->lastScoreTick = 0;
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currentTick = 0;
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player->scorePointer = NULL;
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player->synthesizerPointer = synthesizer;
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SynthInit(synthesizer);
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}
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@@ -0,0 +1,50 @@
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#ifndef __PLAYER_H__
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#define __PLAYER_H__
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#define pStatus 0
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#define pLastScoreTick_b0 1
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#define pLastScoreTick_b1 2
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#define pLastScoreTick_b2 3
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#define pLastScoreTick_b3 4
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#define pScorePointer 5
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#define pMainSynthesizer 7
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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#include "SynthCore.h"
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#include <avr/pgmspace.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum PLAY_STATUS
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{
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STATUS_STOP = 0,
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STATUS_REDAY_TO_PLAY = 1,
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STATUS_PLAYING = 2
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};
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typedef struct _Player
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{
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uint8_t status;
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uint32_t lastScoreTick;
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uint8_t *scorePointer;
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Synthesizer *synthesizerPointer;
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} Player;
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extern void PlayerInit(Player *player, Synthesizer *synthesizer);
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extern void PlayerProcess(Player *player);
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extern void PlayerPlay(Player *player, uint8_t *score);
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extern uint8_t PlayNoteTimingCheck(Player *player);
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extern void PlayUpdateNextScoreTick(Player *player);
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extern Player mainPlayer;
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#ifdef __cplusplus
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} //end extern "C"
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#endif
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#endif
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#endif
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@@ -0,0 +1,73 @@
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#include "Player.h"
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#include "AsmCommon.h"
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.globl PlayNoteTimingCheck
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.globl PlayUpdateNextScoreTick
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.text
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PlayNoteTimingCheck:
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;if((currentTick>>8)>=player->lastScoreTick)
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movw zl,arg0l
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cli
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lds t0l,(currentTick+1)
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ldd t0h,Z+pLastScoreTick_b0
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cp t0l,t0h
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lds t0l,(currentTick+2)
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ldd t0h,Z+pLastScoreTick_b1
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cpc t0l,t0h
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lds t0l,(currentTick+3)
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ldd t0h,Z+pLastScoreTick_b2
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cpc t0l,t0h
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sei
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clr arg0l
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brlo playNoteTimingCheckEnd
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com arg0l
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playNoteTimingCheckEnd:
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ret
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PlayUpdateNextScoreTick:
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; ; tempU32=player->lastScoreTick;
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; ; do
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; ; {
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; ; temp=*(player->scorePointer);
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; ; player->scorePointer++;
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; ; tempU32+=temp;
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; ; } while (temp==0xFF);
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; ; player->lastScoreTick=tempU32;
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push yl
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push yh
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movw yl,arg0l
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varTickAccumulateLoop:
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ldd t0l,Y+pScorePointer
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ldd t0h,Y+(pScorePointer+1)
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movw zl,t0l
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lpm t0l,Z
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sec
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adc zl,zero
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adc zh,zero
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std Y+pScorePointer,zl
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std Y+(pScorePointer+1),zh
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ldd t0h,Y+pLastScoreTick_b0
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add t0h,t0l
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std Y+pLastScoreTick_b0,t0h
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ldd t0h,Y+pLastScoreTick_b1
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adc t0h,zero
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std Y+pLastScoreTick_b1,t0h
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ldd t0h,Y+pLastScoreTick_b2
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adc t0h,zero
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std Y+pLastScoreTick_b2,t0h
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ldd t0h,Y+pLastScoreTick_b3
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adc t0h,zero
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std Y+pLastScoreTick_b3,t0h
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cpi t0l,0xff
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breq varTickAccumulateLoop
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pop yh
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pop yl
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ret
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.end
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@@ -0,0 +1,133 @@
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#include "WaveTable.h"
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#include "SynthCore.h"
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#include "AsmCommon.h"
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.section .text
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SynthAsm: ; Register usage: t0l,t0h:r18,r19 t1l,t1h:r20,r21 zl,zh:r30,r31
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push yl
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push yh
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push loopIndex
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push mixOutl
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push mixOuth
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push mixOute
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clr loopIndex
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clr mixOutl
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clr mixOuth
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clr mixOute
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clr zero
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ldi yl,lo8(synthForAsm)
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ldi yh,hi8(synthForAsm)
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loopSynth:
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cpi loopIndex,POLY_NUM
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breq loopSynth_end
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ldd t1h,Y+pEnvelopeLevel ; Load evnvlopelevel to t1h
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cp t1h,zero
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breq loopSynthContinue
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ldd zl,Y+pWavetablePos_int_l ; Get a sample by pWavetablePos_int and save to t0l
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ldd zh,Y+pWavetablePos_int_h
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ldd t0l,Y+pIncrement_frac
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ldd t0h,Y+pWavetablePos_frac
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add t0l,t0h
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std Y+pWavetablePos_frac,t0l
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ldd t0l,Y+pIncrement_int
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adc t0l,zl
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mov t0h,zh
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adc t0h,zero
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cpi t0l,lo8(WAVETABLE_LEN)
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ldi t1l,hi8(WAVETABLE_LEN)
|
||||
cpc t0h,t1l
|
||||
brlo branch0_end
|
||||
subi t0l,lo8(WAVETABLE_LOOP_LEN)
|
||||
ldi t1l,hi8(WAVETABLE_LOOP_LEN)
|
||||
sbc t0h,t1l
|
||||
branch0_end:
|
||||
std Y+pWavetablePos_int_l,t0l
|
||||
std Y+pWavetablePos_int_h,t0h
|
||||
|
||||
|
||||
|
||||
ldi t0l,lo8(WaveTable)
|
||||
ldi t0h,hi8(WaveTable)
|
||||
add zl,t0l
|
||||
adc zh,t0h
|
||||
lpm t0l,Z
|
||||
#ifdef RUN_TEST
|
||||
std Y+pSampleVal,t0l
|
||||
#endif
|
||||
mulsu t0l,t1h ;r1:r0=sample*evnvlopelevel
|
||||
; clr r0 ;(r1:r0)/255
|
||||
; sbrc r1,7 ;skip if bit 7(sign bit of signed 16) of r1 is 0
|
||||
; com r0 ;~r0=0xFF
|
||||
#ifdef RUN_TEST
|
||||
std Y+pVal,r1
|
||||
std Y+(pVal+1),r0
|
||||
#endif
|
||||
clr t0l ;(r1:r0)/255
|
||||
sbrc r1,7 ;skip if bit 7(sign bit of signed 16) of r1 is 0
|
||||
com t0l ;~r0=0xFF
|
||||
add mixOutl,r0 ; mixOut+=(r1:r0)>>8
|
||||
adc mixOuth,r1
|
||||
adc mixOute,t0l
|
||||
clr r1 ; Always keep r1(zero)=0
|
||||
|
||||
|
||||
loopSynthContinue:
|
||||
inc loopIndex
|
||||
ldi t0l,SoundUnitSize
|
||||
add yl,t0l
|
||||
adc yh,zero
|
||||
rjmp loopSynth
|
||||
|
||||
loopSynth_end:
|
||||
|
||||
mov mixOutl,mixOuth
|
||||
mov mixOuth,mixOute
|
||||
;clr mixOuth ;(r1:r0)/255
|
||||
;sbrc mixOutl,7 ;skip if bit 7(sign bit of signed 16) of r1 is 0
|
||||
;com mixOuth ;~r0=0xFF
|
||||
|
||||
#ifdef RUN_TEST
|
||||
sts synthForAsm+pMixOut,mixOutl
|
||||
sts synthForAsm+pMixOut+1,mixOuth
|
||||
#endif
|
||||
|
||||
asr mixOuth
|
||||
ror mixOutl
|
||||
|
||||
ldi t0l, lo8(253) ;Clip it between -255 to 253
|
||||
ldi t0h, hi8(253)
|
||||
cp mixOutl,t0l
|
||||
cpc mixOuth,t0h
|
||||
brlt higherBoundSatisfied ;
|
||||
movw mixOutl, t0l ;
|
||||
higherBoundSatisfied:
|
||||
ldi t0l, lo8(-255) ;
|
||||
ldi t0h, hi8(-255)
|
||||
cp mixOutl,t0l
|
||||
cpc mixOuth,t0h ;
|
||||
brge lowerBoundSatisfied ;
|
||||
movw mixOutl, t0l ;/
|
||||
lowerBoundSatisfied:
|
||||
asr mixOuth ; Set it to PWM modulator ： 把16位的T2带符号位右移一位，除以2，最低位移到Carrier
|
||||
ror mixOutl
|
||||
ror mixOuth ; 把T2H的高位右移，Carrier进到T2H的第七位
|
||||
mov t0l, mixOutl ; 复制T2L到EL
|
||||
subi t0l, 0x80 ; EL=EL-0x80
|
||||
mov t0h, t0l ;
|
||||
com t0h ; EH取反
|
||||
sbrc mixOuth, 7 ; 如果T2H的第七位是0就跳过下面一行
|
||||
inc t0l ; EL++
|
||||
sts OCR1AL,t0l
|
||||
sts OCR1BL,t0h
|
||||
|
||||
pop mixOute
|
||||
pop mixOuth
|
||||
pop mixOutl
|
||||
pop loopIndex
|
||||
pop yh
|
||||
pop yl
|
||||
@@ -0,0 +1,86 @@
|
||||
#include "SynthCore.h"
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include "WaveTable.h"
|
||||
#include <avr/io.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/pgmspace.h>
|
||||
|
||||
#ifdef RUN_TEST
|
||||
Synthesizer synthForC;
|
||||
#endif
|
||||
|
||||
Synthesizer synthForAsm;
|
||||
|
||||
void SynthInit(Synthesizer *synth)
|
||||
{
|
||||
SoundUnitUnion *soundUnionList = &(synth->SoundUnitUnionList[0]);
|
||||
for (uint8_t i = 0; i < POLY_NUM; i++)
|
||||
{
|
||||
soundUnionList[i].combine.increment = 0;
|
||||
soundUnionList[i].combine.wavetablePos_frac = 0;
|
||||
soundUnionList[i].combine.wavetablePos_int = 0;
|
||||
soundUnionList[i].combine.envelopeLevel = 255;
|
||||
soundUnionList[i].combine.envelopePos = 0;
|
||||
soundUnionList[i].combine.val = 0;
|
||||
}
|
||||
synth->lastSoundUnit = 0;
|
||||
}
|
||||
#ifdef RUN_TEST
|
||||
void NoteOnC(uint8_t note)
|
||||
{
|
||||
uint8_t lastSoundUnit = synthForC.lastSoundUnit;
|
||||
|
||||
cli();
|
||||
synthForC.SoundUnitUnionList[lastSoundUnit].combine.increment = pgm_read_word(&WaveTable_Increment[note & 0x7F]);
|
||||
synthForC.SoundUnitUnionList[lastSoundUnit].combine.wavetablePos_frac = 0;
|
||||
synthForC.SoundUnitUnionList[lastSoundUnit].combine.wavetablePos_int = 0;
|
||||
synthForC.SoundUnitUnionList[lastSoundUnit].combine.envelopePos = 0;
|
||||
synthForC.SoundUnitUnionList[lastSoundUnit].combine.envelopeLevel = 255;
|
||||
sei();
|
||||
|
||||
lastSoundUnit++;
|
||||
|
||||
if (lastSoundUnit == POLY_NUM)
|
||||
lastSoundUnit = 0;
|
||||
|
||||
synthForC.lastSoundUnit = lastSoundUnit;
|
||||
}
|
||||
|
||||
void SynthC(void)
|
||||
{
|
||||
synthForC.mixOut = 0;
|
||||
SoundUnitUnion *soundUnionList = &(synthForC.SoundUnitUnionList[0]);
|
||||
for (uint8_t i = 0; i < POLY_NUM; i++)
|
||||
{
|
||||
if (soundUnionList[i].combine.envelopeLevel == 0)
|
||||
continue;
|
||||
soundUnionList[i].combine.val = soundUnionList[i].combine.envelopeLevel * (int8_t)pgm_read_byte(&WaveTable[soundUnionList[i].combine.wavetablePos_int]) >> 8;
|
||||
soundUnionList[i].combine.sampleVal = (int8_t)pgm_read_byte(&WaveTable[soundUnionList[i].combine.wavetablePos_int]);
|
||||
uint32_t waveTablePos = soundUnionList[i].combine.increment +
|
||||
soundUnionList[i].combine.wavetablePos_frac +
|
||||
((uint32_t)soundUnionList[i].combine.wavetablePos_int << 8);
|
||||
|
||||
uint16_t waveTablePosInt = waveTablePos >> 8;
|
||||
if (waveTablePosInt >= WAVETABLE_CELESTA_C5_LEN)
|
||||
waveTablePosInt -= WAVETABLE_CELESTA_C5_LOOP_LEN;
|
||||
soundUnionList[i].combine.wavetablePos_int = waveTablePosInt;
|
||||
soundUnionList[i].combine.wavetablePos_frac = 0xFF & waveTablePos;
|
||||
synthForC.mixOut += soundUnionList[i].combine.val;
|
||||
}
|
||||
}
|
||||
|
||||
void GenDecayEnvlopeC(void)
|
||||
{
|
||||
SoundUnitUnion *soundUnionList = &(synthForC.SoundUnitUnionList[0]);
|
||||
for (uint8_t i = 0; i < POLY_NUM; i++)
|
||||
{
|
||||
if (soundUnionList[i].combine.wavetablePos_int >= WAVETABLE_CELESTA_C5_ATTACK_LEN &&
|
||||
soundUnionList[i].combine.envelopePos < sizeof(EnvelopeTable) - 1)
|
||||
{
|
||||
soundUnionList[i].combine.envelopeLevel = pgm_read_byte(&EnvelopeTable[soundUnionList[i].combine.envelopePos]);
|
||||
soundUnionList[i].combine.envelopePos += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,96 @@
|
||||
#ifndef __SYNTH_CORE_H__
|
||||
#define __SYNTH_CORE_H__
|
||||
|
||||
#define POLY_NUM 6
|
||||
#define ENVELOP_LEN 256
|
||||
#define DECAY_TIME_FACTOR 100
|
||||
|
||||
#define SoundUnitSize 10
|
||||
|
||||
#define pIncrement_int 1
|
||||
#define pIncrement_frac 0
|
||||
#define pWavetablePos_frac 2
|
||||
#define pWavetablePos_int_h 4
|
||||
#define pWavetablePos_int_l 3
|
||||
#define pEnvelopeLevel 5
|
||||
#define pEnvelopePos 6
|
||||
#define pVal 7
|
||||
#define pSampleVal 9
|
||||
|
||||
#define pMixOut SoundUnitSize *POLY_NUM
|
||||
#define pLastSoundUnit (SoundUnitSize * POLY_NUM + 2)
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
#include <stdint.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct _SoundUnit
|
||||
{
|
||||
uint16_t increment;
|
||||
uint8_t wavetablePos_frac;
|
||||
uint16_t wavetablePos_int;
|
||||
uint8_t envelopeLevel;
|
||||
uint8_t envelopePos;
|
||||
int16_t val;
|
||||
int8_t sampleVal;
|
||||
} SoundUnit;
|
||||
|
||||
typedef struct _SoundUnitSplit
|
||||
{
|
||||
uint8_t increment_frac;
|
||||
uint8_t increment_int;
|
||||
uint8_t wavetablePos_frac;
|
||||
uint16_t wavetablePos_int;
|
||||
uint8_t envelopeLevel;
|
||||
uint8_t envelopePos;
|
||||
int16_t val;
|
||||
int8_t sampleVal;
|
||||
} SoundUnitSplit;
|
||||
|
||||
typedef union _SoundUnitUnion {
|
||||
SoundUnit combine;
|
||||
SoundUnitSplit split;
|
||||
} SoundUnitUnion;
|
||||
|
||||
typedef struct _Synthesizer
|
||||
{
|
||||
SoundUnitUnion SoundUnitUnionList[POLY_NUM];
|
||||
int16_t mixOut;
|
||||
uint8_t lastSoundUnit;
|
||||
} Synthesizer;
|
||||
|
||||
extern const uint8_t EnvelopeTable[];
|
||||
|
||||
extern void SynthInit(Synthesizer *synth);
|
||||
|
||||
#ifdef RUN_TEST
|
||||
extern void NoteOnC(uint8_t note);
|
||||
extern void SynthC(void);
|
||||
extern void GenDecayEnvlopeC(void);
|
||||
#endif
|
||||
|
||||
extern void NoteOnAsm(uint8_t note);
|
||||
extern void GenDecayEnvlopeAsm(void);
|
||||
extern void SynthAsm(void);
|
||||
|
||||
extern const uint8_t EnvelopeTable[ENVELOP_LEN];
|
||||
|
||||
#ifdef RUN_TEST
|
||||
extern Synthesizer synthForC;
|
||||
#endif
|
||||
|
||||
extern Synthesizer synthForAsm;
|
||||
|
||||
#ifdef __cplusplus
|
||||
} //end extern "C"
|
||||
#endif
|
||||
|
||||
#else
|
||||
.extern EnvelopeTable
|
||||
.extern synthForAsm
|
||||
#endif
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,126 @@
|
||||
#include "SynthCore.h"
|
||||
#include "WaveTable.h"
|
||||
#include "AsmCommon.h"
|
||||
|
||||
.global NoteOnAsm
|
||||
.global GenDecayEnvlopeAsm
|
||||
|
||||
.text
|
||||
GenDecayEnvlopeAsm:
|
||||
push yl
|
||||
push yh
|
||||
push loopIndex
|
||||
clr loopIndex
|
||||
ldi yl,lo8(synthForAsm)
|
||||
ldi yh,hi8(synthForAsm)
|
||||
loopGeDecayEnvlope:
|
||||
cpi loopIndex,POLY_NUM
|
||||
breq loopGenDecayEnvlope_end
|
||||
; SoundUnitUnion* soundUnionList=&(synth->SoundUnitUnionList[0]);
|
||||
; for (uint8_t i = 0; i < POLY_NUM; i++)
|
||||
; {
|
||||
; if(soundUnionList[i].combine.wavetablePos_int >= WAVETABLE_ATTACK_LEN &&
|
||||
; soundUnionList[i].combine.envelopePos < sizeof(EnvelopeTable)-1)
|
||||
; {
|
||||
; soundUnionList[i].combine.envelopeLevel = EnvelopeTable[soundUnionList[i].combine.envelopePos];
|
||||
; soundUnionList[i].combine.envelopePos += 1;
|
||||
; }
|
||||
; }
|
||||
ldd t0l,Y+pWavetablePos_int_l ;
|
||||
ldd t0h,Y+pWavetablePos_int_h
|
||||
cpi t0l,lo8(WAVETABLE_ATTACK_LEN)
|
||||
ldi t1l,hi8(WAVETABLE_ATTACK_LEN)
|
||||
cpc t0h,t1l
|
||||
brlo envelopUpdateEnd ;t0h<t1l
|
||||
|
||||
ldd t0l,Y+pEnvelopePos ; Get envelopePos and save to t0l
|
||||
cpi t0l,lo8(ENVELOP_LEN-1)
|
||||
brsh envelopUpdateEnd ;t0l>=ENVELOP_LEN-1
|
||||
|
||||
ldi zl,lo8(EnvelopeTable)
|
||||
ldi zh,hi8(EnvelopeTable)
|
||||
add zl,t0l
|
||||
adc zh,zero
|
||||
lpm t0h,Z ; Get envelope level and save to t0h
|
||||
std Y+pEnvelopeLevel,t0h
|
||||
inc t0l
|
||||
std Y+pEnvelopePos,t0l
|
||||
envelopUpdateEnd:
|
||||
inc loopIndex
|
||||
ldi t0l,SoundUnitSize
|
||||
add yl,t0l
|
||||
adc yh,zero
|
||||
rjmp loopGeDecayEnvlope
|
||||
loopGenDecayEnvlope_end:
|
||||
pop loopIndex
|
||||
pop yh
|
||||
pop yl
|
||||
ret
|
||||
|
||||
NoteOnAsm:
|
||||
push yl
|
||||
push yh
|
||||
ldi yl,lo8(synthForAsm)
|
||||
ldi yh,hi8(synthForAsm)
|
||||
; ldw y,(0x03, sp) ; Load sound unit pointer to register Y. (0x03, sp) is synthesizer object's address.
|
||||
; ;void NoteOn(Synthesizer* synth,uint8_t note)
|
||||
; ;{
|
||||
; ; uint8_t lastSoundUnit = synth->lastSoundUnit;
|
||||
|
||||
; ; disable_interrupts();
|
||||
; ; synth->SoundUnitUnionList[lastSoundUnit].combine.increment = PitchIncrementTable[note&0x7F];
|
||||
; ; synth->SoundUnitUnionList[lastSoundUnit].combine.wavetablePos_frac = 0;
|
||||
; ; synth->SoundUnitUnionList[lastSoundUnit].combine.wavetablePos_int = 0;
|
||||
; ; synth->SoundUnitUnionList[lastSoundUnit].combine.envelopePos = 0;
|
||||
; ; synth->SoundUnitUnionList[lastSoundUnit].combine.envelopeLevel = 255;
|
||||
; ; enable_interrupts();
|
||||
|
||||
; ; lastSoundUnit++;
|
||||
|
||||
; ; if (lastSoundUnit== POLY_NUM)
|
||||
; ; lastSoundUnit = 0;
|
||||
|
||||
; ; synth->lastSoundUnit=lastSoundUnit;
|
||||
; ;}
|
||||
|
||||
ldi t0l,SoundUnitSize
|
||||
cli
|
||||
ldd t0h,Y+pLastSoundUnit
|
||||
mul t0l,t0h
|
||||
add yl,r0
|
||||
adc yh,r1
|
||||
clr r1 ; Always keep r1=0
|
||||
sei
|
||||
mov t0l,arg0l
|
||||
lsl t0l
|
||||
ldi zl,lo8(WaveTable_Increment)
|
||||
ldi zh,hi8(WaveTable_Increment)
|
||||
add zl,t0l
|
||||
adc zh,zero
|
||||
lpm t1l,Z+
|
||||
lpm t1h,Z
|
||||
cli
|
||||
std Y+pIncrement_frac,t1l
|
||||
std Y+pIncrement_int,t1h
|
||||
std Y+pWavetablePos_frac,zero
|
||||
std Y+pWavetablePos_int_l,zero
|
||||
std Y+pWavetablePos_int_h,zero
|
||||
std Y+pEnvelopePos,zero
|
||||
ldi t0l,255
|
||||
std Y+pEnvelopeLevel,t0l
|
||||
sei
|
||||
inc t0h
|
||||
cpi t0h,POLY_NUM
|
||||
brne lastSoundUnitUpdateEndNotEq
|
||||
clr t0h
|
||||
lastSoundUnitUpdateEndNotEq:
|
||||
ldi yl,lo8(synthForAsm)
|
||||
ldi yh,hi8(synthForAsm)
|
||||
std Y+pLastSoundUnit,t0h
|
||||
|
||||
pop yh
|
||||
pop yl
|
||||
|
||||
ret
|
||||
.end
|
||||
|
||||
@@ -0,0 +1,33 @@
|
||||
#include "SynthCore.h"
|
||||
#include "AsmCommon.h"
|
||||
|
||||
.section .bss
|
||||
.global currentTick
|
||||
currentTick:
|
||||
.skip 4
|
||||
.global decayGenTick
|
||||
decayGenTick:
|
||||
.skip 1
|
||||
.section .text
|
||||
|
||||
UpdateTick:
|
||||
sec
|
||||
lds t0l,currentTick
|
||||
adc t0l,zero
|
||||
sts currentTick,t0l
|
||||
lds t0l,currentTick+1
|
||||
adc t0l,zero
|
||||
sts currentTick+1,t0l
|
||||
lds t0l,currentTick+2
|
||||
adc t0l,zero
|
||||
sts currentTick+2,t0l
|
||||
lds t0l,currentTick+3
|
||||
adc t0l,zero
|
||||
sts currentTick+3,t0l
|
||||
|
||||
lds t0l,decayGenTick
|
||||
cpi t0l,DECAY_TIME_FACTOR
|
||||
brsh updateDecayGenTickEnd ; BRSH – Branch if Same or Higher (Unsigned)
|
||||
inc t0l
|
||||
sts decayGenTick,t0l
|
||||
updateDecayGenTickEnd:
|
||||
@@ -0,0 +1,285 @@
|
||||
#include <stdint.h>
|
||||
#include <WaveTable.h>
|
||||
#include <avr/pgmspace.h>
|
||||
// Sample's base frequency: 523.629906 Hz
|
||||
// Sample's sample rate: 32000 Hz
|
||||
const int8_t WaveTable[WAVETABLE_LEN] PROGMEM ={
|
||||
// Attack Samples:
|
||||
0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
|
||||
2, -1, 1, 3, -1, 5, 3, 0, 8, 0,
|
||||
-7, -13, -31, 0, 47, 53, 36, -3, -32, -25,
|
||||
-19, 22, 78, 46, 5, 1, -1, 11, -4, -18,
|
||||
20, 1, -39, -33, -43, 2, 36, -48, -81, -62,
|
||||
-52, -6, -30, -62, 0, 9, -3, 11, -32, -31,
|
||||
1, -27, -16, -19, -42, 19, 30, 13, 63, 37,
|
||||
11, 53, 43, 70, 85, 14, 15, 4, -26, 35,
|
||||
29, 6, 50, 19, 28, 67, 6, 7, 11, -38,
|
||||
12, 16, -32, -11, -55, -68, -12, -59, -71, -48,
|
||||
-89, -39, -8, -59, -28, -45, -72, -1, -12, -16,
|
||||
31, -16, -1, 40, -5, 23, 24, -26, 32, 42,
|
||||
20, 76, 41, 22, 78, 48, 76, 105, 29, 38,
|
||||
34, -2, 62, 39, -4, 33, -17, -10, 49, 0,
|
||||
14, 22, -38, 14, 24, -23, 1, -64, -100, -31,
|
||||
-63, -61, -43, -119, -77, -33, -74, -32, -58, -96,
|
||||
-17, -33, -32, 21, -34, -9, 40, -3, 43, 38,
|
||||
-19, 50, 43, 29, 95, 26, 10, 57, -3, 44,
|
||||
70, -2, 46, 34, -3, 66, 22, 1, 48, -14,
|
||||
10, 53, 0, 41, 24, -41, 25, 6, -14, 39,
|
||||
-34, -42, 8, -45, -7, -9, -96, -44, -49, -70,
|
||||
0, -57, -75, -21, -77, -35, 3, -68, -22, -25,
|
||||
-70, 8, -20, -43, 18, -40, -19, 35, -22, 25,
|
||||
35, -18, 63, 54, 22, 84, 24, 25, 89, 26,
|
||||
55, 67, -12, 51, 55, 11, 77, 24, -5, 61,
|
||||
8, 31, 66, -15, 18, 15, -45, 20, -11, -53,
|
||||
-3, -72, -71, -9, -74, -49, -35, -98, -21, -12,
|
||||
-51, 7, -43, -59, 11, -37, -20, 5, -72, -22,
|
||||
-1, -47, 17, -13, -50, 17, -16, 1, 60, -2,
|
||||
26, 51, 3, 69, 63, 13, 67, 32, 25, 87,
|
||||
27, 30, 58, -2, 44, 55, -5, 39, 13, -12,
|
||||
52, 9, 0, 31, -38, -15, 10, -43, 1, -14,
|
||||
-70, -16, -39, -50, 1, -56, -49, -5, -51, -6,
|
||||
6, -52, -6, -20, -45, 13, -29, -45, 0, -47,
|
||||
-18, 15, -43, -11, -12, -45, 23, 7, -12, 38,
|
||||
-9, 1, 54, 10, 40, 48, -9, 42, 42, 16,
|
||||
69, 24, 7, 59, 14, 32, 59, -1, 34, 43,
|
||||
-1, 45, 16, -19, 28, -13, -14, 24, -36, -20,
|
||||
-3, -53, -3, -4, -51, -10, -41, -44, 14, -32,
|
||||
-31, -8, -64, -26, -9, -52, -5, -27, -60, -2,
|
||||
-28, -26, 15, -42, -26, 5, -31, 18, 19, -22,
|
||||
25, 6, -2, 48, 4, 6, 42, 1, 38, 55,
|
||||
11, 48, 33, 7, 62, 33, 21, 56, 10, 26,
|
||||
52, 3, 29, 22, -16, 28, 5, -18, 18, -26,
|
||||
-25, 10, -32, -4, 4, -45, -8, -10, -29, 17,
|
||||
-23, -47, -12, -48, -29, -6, -60, -34, -28, -58,
|
||||
-8, -21, -41, 1, -34, -27, 17, -19, 3, 16,
|
||||
-23, 20, 22, -5, 34, 6, -2, 44, 12, 26,
|
||||
51, 7, 39, 53, 23, 67, 47, 20, 64, 34,
|
||||
32, 59, 6, 17, 33, -6, 26, 15, -23, 13,
|
||||
-11, -23, 16, -25, -23, 0, -43, -15, -7, -45,
|
||||
-11, -32, -61, -21, -48, -49, -20, -64, -43, -15,
|
||||
-48, -13, -15, -42, 5, -9, -18, 19, -15, -8,
|
||||
21, -13, 16, 26, -11, 23, 18, 6, 52, 27,
|
||||
19, 49, 17, 41, 65, 26, 51, 48, 19, 57,
|
||||
35, 13, 39, 2, 5, 28, -13, 3, 8, -29,
|
||||
4, -4, -27, 6, -23, -30, 3, -29, -19, -8,
|
||||
-50, -24, -22, -50, -16, -35, -51, -16, -42, -32,
|
||||
-1, -35, -17, -7, -34, 4, 1, -21, 9, -14,
|
||||
-16, 21, -7, 2, 17, -16, 15, 23, 1, 35,
|
||||
21, 8, 45, 25, 34, 60, 24, 40, 52, 21,
|
||||
47, 33, 5, 34, 12, 4, 30, -5, 1, 18,
|
||||
-13, 8, 7, -22, 5, -8, -23, 7, -22, -28,
|
||||
-11, -44, -25, -14, -45, -23, -32, -50, -13, -28,
|
||||
-33, -7, -36, -26, -6, -31, -6, -5, -33, -4,
|
||||
-12, -21, 11, -13, -12, 12, -10, 10, 24, 0,
|
||||
27, 27, 13, 50, 35, 31, 55, 28, 39, 54,
|
||||
20, 35, 33, 8, 35, 19, 2, 25, 0, 0,
|
||||
22, -6, 5, 10, -19, 3, -3, -23, 0, -23,
|
||||
-33, -9, -34, -23, -9, -40, -23, -23, -45, -16,
|
||||
-26, -39, -12, -32, -27, -4, -31, -18, -11, -35,
|
||||
-7, -10, -28, 0, -15, -16, 14, -5, 6, 23,
|
||||
0, 26, 35, 17, 45, 33, 21, 48, 29, 29,
|
||||
45, 15, 26, 35, 11, 33, 26, 6, 31, 16,
|
||||
10, 31, 5, 6, 16, -13, 0, 0, -23, -6,
|
||||
-20, -34, -11, -32, -35, -19, -44, -32, -20, -41,
|
||||
-22, -26, -42, -15, -25, -32, -13, -36, -28, -10,
|
||||
-31, -13, -9, -27, -2, -5, -10, 17, 4, 6,
|
||||
27, 10, 27, 41, 20, 38, 35, 19, 42, 30,
|
||||
23, 42, 22, 25, 40, 18, 30, 33, 13, 33,
|
||||
24, 8, 25, 6, 0, 14, -11, -8, -5, -30,
|
||||
-17, -20, -36, -16, -29, -39, -19, -35, -28, -12,
|
||||
-33, -24, -21, -38, -17, -22, -34, -16, -30, -31,
|
||||
-11, -28, -19, -8, -25, -3, 2, -6, 16, 9,
|
||||
6, 29, 16, 20, 34, 14, 26, 33, 16, 35,
|
||||
30, 19, 39, 26, 24, 40, 21, 27, 35, 17,
|
||||
31, 29, 10, 24, 10, -1, 12, -8, -12, -4,
|
||||
-27, -19, -15, -33, -17, -22, -33, -13, -23, -25,
|
||||
-12, -32, -28, -18, -35, -23, -25, -42, -24, -28,
|
||||
-32, -11, -26, -24, -6, -18, -3, 6, -5, 12,
|
||||
12, 6, 29, 21, 16, 31, 16, 22, 34, 17,
|
||||
29, 31, 18, 36, 32, 24, 40, 27, 27, 41,
|
||||
24, 28, 30, 9, 19, 12, -3, 6, -8, -18,
|
||||
-6, -22, -19, -10, -28, -19, -15, -27, -10, -16,
|
||||
-28, -15, -28, -30, -18, -34, -30, -24, -39, -24,
|
||||
-22, -33, -17, -22, -24, -4, -12, -7, 6, -5,
|
||||
7, 17, 6, 20, 16, 7, 25, 19, 18, 32,
|
||||
18, 22, 32, 22, 35, 37, 26, 41, 36, 29,
|
||||
41, 25, 20, 27, 10, 13, 13, -6, 0, -7,
|
||||
-20, -7, -16, -20, -9, -23, -20, -11, -24, -16,
|
||||
-17, -30, -19, -24, -32, -22, -33, -34, -22, -33,
|
||||
-27, -21, -31, -18, -15, -21, -5, -7, -8, 6,
|
||||
0, 5, 16, 6, 15, 19, 11, 24, 21, 14,
|
||||
26, 21, 24, 37, 28, 34, 40, 29, 38, 37,
|
||||
27, 34, 24, 17, 24, 11, 7, 7, -8, -5,
|
||||
-4, -15, -8, -13, -20, -10, -16, -16, -9, -20,
|
||||
-18, -15, -26, -19, -22, -33, -27, -32, -35, -25,
|
||||
-32, -31, -22, -28, -18, -13, -18, -7, -6, -8,
|
||||
3, 0, 1, 9, 1, 6, 14, 8, 16, 17,
|
||||
13, 25, 26, 26, 37, 32, 35, 41, 34, 38,
|
||||
38, 27, 30, 25, 18, 22, 12, 5, 7, -3,
|
||||
-3, -1, -11, -7, -7, -14, -7, -12, -18, -14,
|
||||
-22, -24, -21, -30, -28, -29, -37, -31, -32, -36,
|
||||
-27, -30, -28, -18, -20, -15, -9, -15, -8, -5,
|
||||
-9, 0, 0, -1, 8, 6, 8, 15, 10, 16,
|
||||
22, 21, 30, 33, 30, 39, 37, 35, 41, 33,
|
||||
33, 35, 26, 28, 26, 16, 17, 10, 3, 7,
|
||||
0, -3, -1, -9, -8, -7, -15, -12, -16, -24,
|
||||
-20, -24, -28, -24, -31, -31, -27, -34, -29, -27,
|
||||
-31, -22, -21, -22, -14, -17, -16, -9, -13, -9,
|
||||
-6, -11, -3, 0, -1, 7, 6, 6, 14, 12,
|
||||
18, 27, 25, 31, 33, 28, 35, 34, 31, 35,
|
||||
30, 27, 30, 23, 22, 22, 13, 13, 11, 5,
|
||||
7, 1, -3, 0, -5, -7, -7, -16, -15, -16,
|
||||
-23, -21, -24, -28, -24, -29, -30, -24, -29, -26,
|
||||
-21, -25, -19, -17, -21, -15, -16, -18, -12, -17,
|
||||
-16, -10, -12, -6, 0, -2, 5, 8, 8, 18,
|
||||
20, 22, 28, 24, 27, 33, 28, 32, 31, 25,
|
||||
29, 26, 23, 28, 23, 20, 21, 14, 15, 16,
|
||||
10, 12, 9, 2, 4, -2, -8, -7, -15, -16,
|
||||
-15, -24, -23, -24, -28, -23, -26, -29, -24, -27,
|
||||
-25, -20, -25, -22, -19, -24, -20, -19, -23, -17,
|
||||
-19, -18, -10, -12, -7, 0, -1, 5, 9, 9,
|
||||
18, 20, 21, 28, 26, 27, 32, 27, 29, 31,
|
||||
27, 31, 30, 25, 29, 25, 23, 26, 20, 18,
|
||||
19, 12, 11, 9, 0, 0, -4, -12, -11, -17,
|
||||
-21, -20, -28, -28, -26, -30, -25, -24, -27, -21,
|
||||
-22, -23, -19, -23, -23, -19, -23, -20, -19, -23,
|
||||
-19, -18, -18, -10, -8, -6, 1, 1, 6, 13,
|
||||
12, 18, 22, 20, 26, 25, 24, 30, 27, 27,
|
||||
31, 27, 28, 30, 25, 28, 28, 24, 26, 22,
|
||||
18, 19, 11, 7, 6, -1, -3, -6, -14, -14,
|
||||
-18, -24, -23, -26, -27, -23, -26, -24, -20, -24,
|
||||
-21, -20, -24, -19, -21, -23, -19, -23, -24, -21,
|
||||
-24, -20, -14, -16, -10, -7, -5, 3, 6, 8,
|
||||
15, 15, 18, 23, 20, 23, 26, 23, 26, 25,
|
||||
23, 26, 24, 23, 27, 24, 27, 29, 25, 27,
|
||||
25, 19, 19, 14, 8, 6, -1, -5, -7, -15,
|
||||
-18, -20, -24, -22, -23, -25, -20, -21, -21, -18,
|
||||
-20, -18, -17, -21, -21, -21, -24, -22, -24, -25,
|
||||
-21, -21, -19, -14, -14, -8, -3, -2, 3, 6,
|
||||
8, 13, 13, 15, 18, 16, 17, 20, 19, 22,
|
||||
22, 20, 23, 24, 25, 29, 29, 30, 32, 29,
|
||||
28, 27, 22, 19, 13, 6, 3, -1, -5, -8,
|
||||
-14, -17, -17, -20, -19, -18, -19, -17, -18, -19,
|
||||
-18, -20, -22, -21, -24, -25, -25, -28, -27, -26,
|
||||
-26, -23, -22, -21, -17, -14, -10, -3, 0, 2,
|
||||
5, 6, 9, 12, 13, 15, 16, 15, 18, 18,
|
||||
19, 23, 24, 27, 30, 31, 34, 34, 32, 32,
|
||||
31, 27, 24, 18, 13, 10, 4, 0, -3, -8,
|
||||
-10, -12, -14, -14, -14, -15, -14, -16, -17, -17,
|
||||
-19, -21, -22, -25, -25, -25, -27, -28, -29, -27,
|
||||
-24, -23, -20, -18, -16, -12, -8, -4, -1, 0,
|
||||
2, 4, 6, 8, 10, 11, 12, 13, 14, 17,
|
||||
21, 23, 25, 26, 28, 31, 32, 32, 32, 30,
|
||||
29, 27, 23, 19, 15, 11, 8, 5, 2, 0,
|
||||
-3, -6, -7, -7, -9, -11, -13, -15, -16, -17,
|
||||
-19, -22, -25, -26, -27, -27, -27, -28, -29, -27,
|
||||
-25, -23, -21, -19, -16, -13, -10, -7, -3, -2,
|
||||
0, 0, 1, 3, 5, 6, 7, 9, 12, 16,
|
||||
18, 20, 23, 25, 28, 31, 32, 33, 32, 31,
|
||||
31, 28, 25, 22, 18, 16, 13, 9, 6, 2,
|
||||
-1, -2, -4, -6, -7, -11, -13, -15, -17, -17,
|
||||
-19, -23, -24, -27, -27, -27, -29, -30, -29, -28,
|
||||
-24, -22, -21, -18, -16, -13, -9, -8, -6, -5,
|
||||
-6, -4, -2, 0, 2, 2, 4, 8, 11, 15,
|
||||
18, 19, 23, 26, 28, 32, 33, 32, 32, 30,
|
||||
29, 29, 25, 21, 18, 14, 14, 11, 7, 4,
|
||||
0, -1, 0, -1, -3, -5, -9, -10, -11, -15,
|
||||
-17, -21, -25, -25, -26, -27, -26, -28, -26, -24,
|
||||
-23, -20, -18, -17, -14, -12, -11, -9, -10, -9,
|
||||
-8, -8, -5, -3, -2, 0, 1, 5, 10, 13,
|
||||
16, 19, 20, 24, 28, 28, 30, 29, 27, 27,
|
||||
26, 24, 23, 19, 17, 16, 14, 13, 11, 8,
|
||||
8, 6, 4, 4, 0, -2, -3, -7, -9, -12,
|
||||
-18, -20, -22, -25, -24, -26, -29, -27, -26, -23,
|
||||
-20, -21, -19, -17, -17, -13, -12, -13, -11, -13,
|
||||
-13, -11, -10, -7, -5, -5, -1, 2, 5, 10,
|
||||
11, 13, 18, 20, 23, 26, 25, 26, 27, 25,
|
||||
25, 24, 22, 23, 21, 19, 20, 17, 16, 15,
|
||||
11, 11, 10, 7, 6, 2, -2, -3, -8, -11,
|
||||
-13, -19, -20, -21, -24, -24, -25, -26, -22, -22,
|
||||
-21, -19, -20, -18, -16, -17, -16, -17, -19, -16,
|
||||
-15, -15, -12, -11, -10, -6, -5, 0, 4, 6,
|
||||
10, 12, 14, 19, 21, 23, 25, 24, 24, 25,
|
||||
24, 25, 24, 22, 23, 22, 20, 22, 20, 19,
|
||||
19, 15, 13, 11, 7, 5, 1, -2, -4, -10,
|
||||
-14, -15, -18, -19, -20, -24, -23, -22, -21, -18,
|
||||
-18, -19, -17, -18, -19, -19, -21, -21, -20, -21,
|
||||
-19, -19, -19, -14, -13, -11, -6, -2,
|
||||
// Loop Samples:
|
||||
0, 3,
|
||||
5, 8, 13, 14, 17, 19, 19, 22, 23, 22,
|
||||
23, 23, 24, 26, 25, 25, 26, 25, 26, 26,
|
||||
22, 22, 20, 17, 15, 9, 4, 1, -4, -7,
|
||||
-10, -14, -16, -18, -22, -21, -21, -21, -19, -21,
|
||||
-21, -20, -21, -21, -21, -23, -23, -24, -25, -23,
|
||||
-24, -23, -21, -20, -16, -12, -10, -5, -1, 1,
|
||||
6, 8, 10, 15, 16, 19, 21, 21, 21, 22,
|
||||
22, 25, 27, 28, 30, 29, 29, 32, 30, 29,
|
||||
28, 23, 21, 19, 14, 10, 5, 0, -3, -8,
|
||||
-12, -13, -16, -17, -18, -21, -20, -20, -22, -21,
|
||||
-22, -23, -22, -25, -26, -25, -26, -24, -24, -25,
|
||||
-24, -23, -21, -17, -14, -11, -7, -4, -1, 3,
|
||||
4, 8, 10, 11, 14, 15, 16, 18, 18, 19,
|
||||
23, 24, 27, 28, 27, 29, 30, 30, 31, 29,
|
||||
27, 26, 22, 19, 16, 10, 6, 3, -2, -5,
|
||||
-8, -12, -13, -16, -18, -17, -19, -19, -19, -21,
|
||||
-21, -21, -23, -23, -25, -26, -25, -26, -26, -24,
|
||||
-25, -22, -19, -17, -12, -9, -7, -2, 0, 1,
|
||||
6, 6, 8, 10, 9, 12, 13, 13, 15, 16,
|
||||
17, 21, 23, 25, 29, 29, 30, 31, 29, 29,
|
||||
27, 24, 24, 19, 13, 9, 3, 1, 0, -4,
|
||||
-6, -8, -12, -12, -13, -14, -13, -17, -19, -19,
|
||||
-20, -20, -21, -24, -24, -24, -26, -24, -24, -24,
|
||||
-21, -20, -16, -11, -11, -8, -5, -4, 0, 0,
|
||||
0, 3, 2, 2, 5, 4, 6, 8, 8, 12,
|
||||
16, 17, 22, 23, 24, 28, 27, 27, 29, 26,
|
||||
25, 25, 21, 19, 15, 10, 10, 6, 3, 3,
|
||||
-1, -3, -3, -5, -5, -6, -10, -11, -13, -15,
|
||||
-13, -16, -18, -19, -24, -24, -22, -23, -21, -22,
|
||||
-23, -19, -18, -17, -13, -13, -10, -6, -7, -5,
|
||||
-4, -5, -2, -1, -1, 1, 2, 4, 9, 11,
|
||||
15, 18, 18, 22, 24, 25, 28, 27, 25, 27,
|
||||
25, 24, 24, 18, 16, 15, 12, 12, 9, 5,
|
||||
5, 2, 0, 1, -2, -5, -5, -10, -9, -10,
|
||||
-15, -15, -19, -23, -22, -24, -25, -24, -26, -25,
|
||||
-21, -21, -18, -17, -18, -14, -13, -12, -8, -9,
|
||||
-8, -5, -6, -3, 0, -1, 2, 5, 7, 12,
|
||||
12, 13, 17, 18, 21, 25, 23, 25, 26, 24,
|
||||
27, 25, 20, 21, 17, 15, 16, 12, 11, 10,
|
||||
5, 7, 6, 3, 3, 0, -4, -4, -8, -11,
|
||||
-12, -18, -20, -22, -24, -21, -22, -25, -22, -21,
|
||||
-19, -16, -18, -17, -15, -15, -11, -10, -12, -10,
|
||||
-10, -11, -8, -8, -7, -3, -3, 1, 5, 5,
|
||||
9, 12, 14, 20, 21, 22, 25, 23, 24, 27,
|
||||
25, 24, 22, 18, 19, 19, 17, 17, 14, 12,
|
||||
13, 10, 9, 7, 1, 0, -1, -5, -6, -10,
|
||||
-14, -15, -19, -20, -18, -21, -21, -20, -22, -19,
|
||||
-18, -19, -17, -18, -18, -14, -15, -15, -14, -15,
|
||||
-13, -11, -12, -10, -9, -8, -3, 0, 1, 6,
|
||||
6, 10, 15, 17, 21, 22, 20, 21, 21, 21,
|
||||
23, 20, 19, 20, 19, 20, 21, 18, 18, 17,
|
||||
15, 16, 13, 10, 8, 4, 2, 1, -4, -7,
|
||||
-10, -14, -14, -17, -20, -19, -20, -20, -18, -20,
|
||||
-19, -18, -20, -18, -16, -17, -16, -18, -20, -18,
|
||||
-18, -16, -14, -14, -12, -8, -5, 0, 2, 3,
|
||||
7, 10, 13, 17, 16, 16, 17, 17, 20, 21,
|
||||
20, 20, 19, 19, 22, 22, 22, 23, 21, 22,
|
||||
22, 18, 16, 12, 8, 8, 4, 0, -4, -10,
|
||||
-12, -13, -15, -16, -17, -20, -20, -20, -20, -18,
|
||||
-19, -19, -19, -20, -18, -17, -19, -19, -20, -21,
|
||||
-18, -17, -16, -12, -10, -6, -3, -1,};
|
||||
|
||||
const uint16_t WaveTable_Increment[] PROGMEM ={
|
||||
3, 4, 4, 4, 5, 5, 5, 5, 6, 6,
|
||||
7, 7, 7, 8, 8, 9, 10, 10, 11, 11,
|
||||
12, 13, 14, 15, 15, 16, 17, 18, 20, 21,
|
||||
22, 23, 25, 26, 28, 30, 31, 33, 35, 37,
|
||||
40, 42, 45, 47, 50, 53, 56, 60, 63, 67,
|
||||
71, 75, 80, 85, 90, 95, 101, 107, 113, 120,
|
||||
127, 134, 143, 151, 160, 170, 180, 190, 202, 214,
|
||||
227, 240, 254, 269, 286, 303, 321, 340, 360, 381,
|
||||
404, 428, 454, 481, 509, 539, 572, 606, 642, 680,
|
||||
720, 763, 808, 857, 908, 962, 1019, 1079, 1144, 1212,
|
||||
1284, 1360, 1441, 1527, 1617, 1714, 1816, 1924, 2038, 2159,
|
||||
2288, 2424, 2568, 2721, 2882, 3054, 3235, 3428, 3632, 3848,
|
||||
4077, 4319, 4576, 4848, 5136, 5442, 5765, 6108,};
|
||||
@@ -0,0 +1,19 @@
|
||||
#ifndef __WAVETABLE__
|
||||
#define __WAVETABLE__
|
||||
// Sample's base frequency: 523.629906 Hz
|
||||
// Sample's sample rate: 32000 Hz
|
||||
|
||||
#define WAVETABLE_LEN 2608
|
||||
#define WAVETABLE_ATTACK_LEN 1998
|
||||
#define WAVETABLE_LOOP_LEN 610
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
#include <stdint.h>
|
||||
extern const int8_t WaveTable[WAVETABLE_LEN];
|
||||
extern const uint16_t WaveTable_Increment[];
|
||||
#else
|
||||
.extern WaveTable
|
||||
.extern WaveTable_Increment
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user