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#ifndef ECHO_H
#define ECHO_H
/* Required headers */
#include <stdint.h>
/* Echo commands */
enum {
ECHO_CMD_NONE, /* 0x00 - No command */
ECHO_CMD_LOADLIST, /* 0x01 - Load instrument list */
ECHO_CMD_PLAYSFX, /* 0x02 - Play a SFX */
ECHO_CMD_STOPSFX, /* 0x03 - Stop SFX playback */
ECHO_CMD_PLAYBGM, /* 0x04 - Play a BGM */
ECHO_CMD_STOPBGM, /* 0x05 - Stop BGM playback */
ECHO_CMD_RESUMEBGM, /* 0x06 - Resume BGM playback */
ECHO_CMD_SETPCMRATE, /* 0x07 - Set PCM rate */
};
/* Echo status flags */
#define ECHO_STAT_BGM 0x0002 /* Background music is playing */
#define ECHO_STAT_SFX 0x0001 /* Sound effect is playing */
#define ECHO_STAT_BUSY 0x8000 /* Echo still didn't parse command */
/* Function prototypes */
void echo_init(const void **);
void echo_play_bgm(const void *);
void echo_stop_bgm(void);
void echo_resume_bgm(void);
void echo_play_sfx(const void *);
void echo_stop_sfx(void);
void echo_set_pcm_rate(uint8_t);
uint16_t echo_get_status(void);
void echo_send_command(uint8_t);
void echo_send_command_addr(uint8_t, const void *);
void echo_send_command_byte(uint8_t, uint8_t);
/* Deprecated functions */
static void (* const echo_send_command_ex)(uint8_t, const void *) =
echo_send_command_addr;
#endif
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