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 +1,102 @@
+#ifndef __ScoreDecoder_H__
+#define __ScoreDecoder_H__
+
+#include "SynthCore.h"
+
+#define pSynthesizer    0
+#define pScoreDecoder   (pSynthesizer+SynthesizerSize)
+#define pCurrentTick    0
+#define pLastScoreTick  (pCurrentTick+4)
+#define pStatus         (pLastScoreTick+4)
+#define constSTATUS_DECODING 2
+
+#ifndef __ASSEMBLER__
+
+#include <stdint.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum DECODER_STATUS
+{
+    STATUS_STOP = 0,
+    STATUS_REDAY_TO_DECODE = 1,
+    STATUS_DECODING = constSTATUS_DECODING
+};
+
+enum SCHEDULER_MODE
+{
+    MODE_ORDER_PLAY = 0,
+};
+
+enum SCHEDULER_STATUS
+{
+    SCHEDULER_READY_TO_SWITCH = 0,
+    SCHEDULER_SWITCHING,
+    SCHEDULER_SCORE_PREV,
+    SCHEDULER_SCORE_NEXT,
+    SCHEDULER_STOP,
+};
+
+typedef struct _ScoreListHeader
+{
+    char identifer[4];
+    uint32_t scoreCount;
+    uint32_t firstAddr;
+}ScoreListHeader;
+
+typedef struct _ScoreDecoder
+{
+    uint32_t currentTick;
+    uint32_t lastScoreTick;
+    uint32_t status;
+    uint8_t *scorePointer;
+} ScoreDecoder;
+
+typedef struct _PlayScheduler
+{
+    uint32_t schedulerMode;
+    int32_t currentScoreIndex;
+    uint32_t maxScoreNum;
+    ScoreListHeader* scoreListHeader;
+    uint32_t status;
+    uint32_t switchDirect;
+} PlayScheduler;
+
+typedef struct _Player
+{
+    Synthesizer synthesizer;
+    ScoreDecoder decoder;
+    PlayScheduler scheduler;
+} Player;
+
+
+
+extern ScoreListHeader ScoreDataList;
+extern Player *GlobalPlayerPtr;
+
+extern void PlayerInit(Player *player);
+extern void Player32kProc(Player *player);
+extern void PlayerProcess(Player *player);
+extern void ScoreDecodeProcess(Player *player);
+extern void PlayScore(Player* player, uint8_t *score);
+extern void StopDecode(Player *player);
+extern void StartPlayScheduler(Player* player);
+extern void StopPlayScheduler(Player *player);
+extern void PlaySchedulerNextScore(Player *player);
+extern void PlaySchedulerPreviousScore(Player *player);
+extern void SchedulerSetIntialRandomSeed(Player *player,uint8_t randomSeed);
+extern void UpdateTick(ScoreDecoder *decoder);
+extern void UpdateNextScoreTick(ScoreDecoder *decoder);
+
+#ifdef __cplusplus
+} //end extern "C"
+#endif
+
+#else
+.extern GlobalPlayerPtr;
+#endif
+
+#endif