这里就不做图片说明，按照步骤做出来更加有成就感。

1.用adk configuration tool添加语音，并且导出语音文件（会生成headers prompts两个文件夹）
2.使用packfile命令将生成的文件夹合并为xuv语音文件（比如vp.xuv）
3.使用nvscmd命令导出ptn文件（nvscmd dump xxx.ptn），可以看到分区，如果有原始项目不需要做此步骤，找到语音分区（这里默认是3）
4.使用nvscmd命令烧录语音分区，这里假设3是语音分区（默认ptn的3分区就是语音），命令为 nvscmd burn xxx.ptn 3

/*!

\copyright  Copyright (c) 2013 - 2023 Qualcomm Technologies International, Ltd.

            All Rights Reserved.

            Qualcomm Technologies International, Ltd. Confidential and Proprietary.

\file       audio_i2s_SSM2518.c

\brief      Support for I2S audio output, implementing the 'Device' API defined

            in audio_i2s_common.h, with chip specific I2C commands to configure

            the SSM2518 external I2S amplifier.

*/

#ifdef INCLUDE_SSM2518_I2S_AMP

#include "audio_i2s_SSM2518.h"

#include <gain_utils.h>

#include <stdlib.h>

#include <panic.h>

#include <file.h>

#include <print.h>

#include <stream.h> 

#include <kalimba.h>

#include <kalimba_standard_messages.h>

#include <message.h>

#include <transform.h>

#include <string.h>

#include <i2c.h>

#include <pio_common.h>

#include <stdio.h>

#include "audio_i2s_common.h"

/*! Amp power state */

typedef enum

{

    standby = 0, /*!< Can be used during external amplifier in low power down mode */

    active,      /*!< Used when external amplifier is in running/active state */

    power_off    /*!< Used to denote external amplifier is powered off */

} amp_status_t;

/*! Collection of data representing current I2S hardware/software state */

typedef struct

{

    amp_status_t amp_status;

} state_t;

/*! Amplifier state */

static state_t state = { .amp_status = power_off };

/*! Default I2S configuration data for this chip */

const i2s_config_t device_i2s_config =

{

    .master_mode = 1,       /*!< Amp is only capable of operating as I2S Slave */

    .data_format = 0,       /*!< I2S left justified */

    .bit_delay = 1,         /*!< I2S delay 1 bit */

#ifdef ENABLE_I2S_OUTPUT_24BIT

    .bits_per_sample = 24,  /*!< 24-bit data words per channel */

#else

    .bits_per_sample = 16,  /*!< 16-bit data words per channel */

#endif

    .bclk_scaling = 256,    /*!< Allows full range of sample rates down to 8kHz */

    .mclk_scaling = 0,

    .enable_pio = PIN_INVALID

};

static void enableAmpPio(bool enable);

static void setAmpState(amp_status_t state);

/*! \brief Power on and configure the I2S device. */

bool AudioI2SDeviceInitialise(uint32 sample_rate)

{

    setAmpState(active);