添加一些关于midi播放的项目

2025-03-24 14:30:56 +08:00
parent e31eb22077
commit 498b4ef13b
699 changed files with 186162 additions and 1 deletions
@@ -0,0 +1,45 @@
+#ifndef __SYNTH_CORE_H__
+#define __SYNTH_CORE_H__
+
+#include <stdint.h>
+
+#define POLY_NUM 32
+
+typedef struct _SoundUnit
+{
+	uint32_t wavetablePos;
+	uint32_t waveTableAddress;
+	uint32_t waveTableLen;
+	uint32_t waveTableLoopLen;
+	uint32_t waveTableAttackLen;
+	uint32_t envelopePos;
+	uint32_t increment;
+	int32_t val;
+	int32_t sampleVal;
+	uint32_t envelopeLevel;
+}SoundUnit;
+
+
+
+typedef struct _Synthesizer
+{
+    SoundUnit SoundUnitList[POLY_NUM];
+	int32_t mixOut;
+    uint32_t lastSoundUnit;
+}Synthesizer;
+
+
+extern void SynthInit(Synthesizer* synth);
+
+//#ifdef RUN_TEST
+extern void NoteOnC(Synthesizer* synth,uint8_t note);
+extern void SynthC(Synthesizer* synth);
+extern void GenDecayEnvlopeC(Synthesizer* synth);
+//#endif
+
+extern void NoteOnAsm(Synthesizer* synth,uint8_t note);
+extern void GenDecayEnvlopeAsm(Synthesizer* synth);
+extern void SynthAsm(Synthesizer* synth);
+
+
+#endif