MCU API

/* Voice Signal Preprocess
 * Copyright (C) 1991-2017 Nationalchip Co., Ltd
 * All Rights Reserved!
 *
 * snpu.h: Device Driver for SNPU
 *
 */

#ifndef __SNPU_H__
#define __SNPU_H__

int SnpuInit(void);
int SnpuLoadFirmware(void);
int SnpuDone(void);

#ifdef CONFIG_GX8010NRE
int SnpuFloat32To16(unsigned int *in_data, unsigned short *out_data, int num, int exponent_width);
int SnpuFloat16To32(unsigned short *in_data, unsigned int *out_data, int num, int exponent_width);
#endif

typedef enum {
    SNPU_IDLE,
    SNPU_BUSY,
    SNPU_STALL,
} SNPU_STATE;

typedef int (*SNPU_CALLBACK)(SNPU_STATE state, void *private_data);

typedef struct {
    const char *version; // version in model.c
    void *ops; // ops_content in model.c
    void *data; // cpu_content in model.c
    void *input; // input in model.c
    void *output; // output in model.c
    void *cmd; // npu_content in model.c
    void *tmp_mem; // tmp_content in model.c
} SNPU_TASK;

int SnpuRunTask(SNPU_TASK *task, SNPU_CALLBACK callback, void *private_data);

SNPU_STATE SnpuGetState(void);

#endif // __SNPU_H__