+--- @ohos.mynapidemo.d.ts							//接口定义.d.ts文件
+--- index.ets										//音乐播放器代码，在其中添加开关LED等闪灯效果代码
+--- ohosCode										//目录，包含OpenHarmony系统源码下新增或修改内容
|   +--- build
|   |   +--- subsystem_config.json					//添加mysubsys子系统配置
|   +--- device
|   |   +--- hihope
|   |   |   +--- rk3568
|   |   |   |   +--- build
|   |   |   |   |   +--- rootfs
|   |   |   |   |   |   +--- init.rk3568.cfg		//rk3568开发板，添加应用访问相关export文件的权限
|   |   +--- hisilicon
|   |   |   +--- hi3516dv300
|   |   |   |   +--- build
|   |   |   |   |   +--- rootfs
|   |   |   |   |   |   +--- init.Hi3516DV300.cfg	//Hi3516DV300，添加应用访问相关export文件的权限
|   +--- mysubsys
|   |   +--- mynapipart
|   |   |   +--- mynapidemo
|   |   |   |   +--- BUILD.gn						//mynapidemo动态库的的gn构建配置
|   |   |   |   +--- mynapidemo.cpp					//NAPI接口实现C++源码
|   |   +--- ohos.build								//mysubsys的配置文件，定义组件及其module
|   +--- productdefine
|   |   +--- common
|   |   |   +--- products
|   |   |   |   +--- Hi3516DV300.json				//Hi3516DV300开发板产品定义文件，添加mynapipart组件
|   |   |   |   +--- rk3568.json					//rk3568开发板产品定义文件，添加mynapipart组件
+--- README.md

{
  ###### 新增内容开始（复制时不要包含此行，注意行尾逗号，确保文件格式正确） ######
  "mysubsys": {
    "path": "mysubsys",
    "name": "mysubsys"
  },
  ###### 新增内容结束（复制时不要包含此行） ######
  "ace": {
    "path": "foundation/ace",
    "name": "ace"
  },
  ...
}

{
  "product_name": "rk3568",
  "product_company": "hihope",
  "product_device": "rk3568",
  "version": "2.0",
  "type": "standard",
  "product_build_path": "device/hihope/build",
  "parts":{
    ###### 新增内容开始（复制时不要包含此行，注意行尾逗号，确保文件格式正确） ######
    "mysubsys:mynapipart":{},
    ###### 新增内容结束（复制时不要包含此行） ######
    "ace:ace_engine_standard":{},
    ...
}

        }, {
            "name" : "boot",
            "cmds" : [
                "chmod 777 /dev/ttyAMA2",
                "chmod 775 /sys/class/rfkill/rfkill0/state",
                "chmod 777 /dev/rtkbt_dev",
                "chmod 0440 /proc/interrupts",
                "chmod 0440 /proc/stat",
                "chmod 0640 /dev/xt_qtaguid",
                "chmod 0660 /proc/net/xt_qtaguid/ctrl",
                "chmod 0440 /proc/net/xt_qtaguid/stats",
                "chmod 666 /dev/mali0",
                "chown system graphics /dev/mali0",
                "chown system graphics /dev/graphics/fb0",
                "chmod 666 /dev/ion",
                "chown system system /dev/ion",
                ###### 新增内容开始（复制时不要包含此行，注意行尾逗号，确保文件格式正确） ######
                "chmod 666 /sys/class/leds/red/brightness",
                "chmod 666 /sys/class/leds/red/trigger",
                "chmod 666 /sys/class/leds/green/brightness",
                "chmod 666 /sys/class/leds/green/trigger",
                "chmod 666 /sys/class/leds/blue/brightness",
                "chmod 666 /sys/class/leds/blue/trigger"
                ###### 新增内容结束（复制时不要包含此行） ######
            ]
        }
    ]
}

import mynapidemo from '@ohos.mynapidemo'

  addLedEffect(){
    mynapidemo.setLedStatus(147, mynapidemo.LED_ON).then((result: number) => {
      if (result === 0){
        CommonLog.info("Turned on LED.")
      } else {
        CommonLog.info("Turned on LED failed.")
      }
    })
  }

  removeLedEffect(){
    mynapidemo.setLedStatus(147, mynapidemo.LED_OFF).then((result: number) => {
      if (result === 0){
        CommonLog.info("Turned off LED.")
      } else {
        CommonLog.info("Turned off LED failed.")
      }
    })
  }

  onPlayOrPauseMusic() {
    if (this.isSwitching) {
      CommonLog.info('onPlayOrPauseMusic ignored, isSwitching')
    }
    this.isSwitching = true

    if (this.isPlaying) {
      CommonLog.info("Start to pause music")
      this.playerManager.pause()
      this.pauseAnimation()
      this.removeLedEffect() //暂停时去掉LED闪灯效果
    }
    else {
      CommonLog.info("Start to play music")
      this.playerManager.play(-1)
      this.playAnimation()
      this.addLedEffect() //播放时加上LED闪灯效果
    }
    this.isPlaying = !this.isPlaying
    this.isSwitching = false
  }