"napisubsys":{
    "path":"vendor/unionman/unionpi_tiger/sample/napi/napisubsys",
    "name":"napisubsys"
  }

"adc_hdf": {
            "variants": [
                "phone"
            ],
            "module_list": [
                "http://vendor/unionman/unionpi_tiger/sample/napi/napisubsys/adc_hdf:adc_hdf"
            ]
        }

{
      "subsystem": "napisubsys",
      "components": [
        {
          "component": "adc_hdf",
          "features": []
        }
      ]
    },

declare namespace adc_hdf {
    function get_adc_value(channel: number): number;
}

export default adc_hdf;

#include "adc_hdf.h"
#include "adc_if.h"
#include "hdf_log.h"
#include <cstdio>

namespace adc_hdf {
bool get_adc_value(NUMBER_TYPE_1& channel, NUMBER_TYPE_2& out)
{
    int32_t ret;
    DevHandle adcHandle = NULL;
    uint32_t read_val = 0;

    /* 打開(kāi)ADC設(shè)備 */ 
    adcHandle = AdcOpen(ADC_DEVICE_NUM);
    if (adcHandle == NULL) {
        printf("%s: Open ADC%u fail!", __func__, ADC_DEVICE_NUM);
        return false;
    }
    /* 讀取ADC采樣值 */ 
    ret = AdcRead(adcHandle, (uint32_t)channel, &read_val);
    if (ret != HDF_SUCCESS) {
        printf("%s: ADC read fail!:%d", __func__, ret);
        AdcClose(adcHandle);
        return false;
    }
    /* 結(jié)果返回值 */ 
    out = (NUMBER_TYPE_2)read_val;
    printf("ADC read:%d\r\n",read_val);
    /* 訪問(wèn)完畢關(guān)閉ADC設(shè)備 */ 
    AdcClose(adcHandle);
    return true;
}
}

import("http://build/ohos.gni")

ohos_shared_library("adc_hdf")
{
    sources = [
        "adc_hdf_middle.cpp",
        "adc_hdf.cpp",
        "tool_utility.cpp",
    ]
    include_dirs = [
        ".",
        "http://third_party/node/src",
        "http://drivers/hdf_core/framework/include/platform"
    ]
    deps=[
        "http://foundation/arkui/napi:ace_napi",
        "http://drivers/hdf_core/adapter/uhdf2/platform:libhdf_platform"
    ]
    external_deps = [
    "hdf_core:libhdf_utils",
    "hiviewdfx_hilog_native:libhilog",
    ]

    remove_configs = [ "http://build/config/compiler:no_rtti" ]
    cflags=[
    ]
    cflags_cc=[
        "-frtti",
    ]
    ldflags = [
    ]
    
    relative_install_dir = "module"
    part_name = "adc_hdf"
    subsystem_name = "napisubsys"
}

./build.sh --product-name unionpi_tiger

./device/board/unionman/unionpi_tiger/common/tools/packer-unionpi.sh

hdc_std shell mount -o remount,rw /
hdc_std file send libadc_hdf.z.so /system/lib/module/

// @ts-ignore
import adc_hdf from '@ohos.adc_hdf';
import prompt from '@system.prompt'

class MyDataSource implements IDataSource {
  private list: string[] = []
  private listener: DataChangeListener

  constructor(list: string[]) {
    this.list = list
  }

  totalCount(): number {
    return this.list.length
  }

  getData(index: number): any {
    return this.list[index]
  }

  registerDataChangeListener(listener: DataChangeListener): void {
    this.listener = listener
  }

  unregisterDataChangeListener() {
  }
}

//通道選擇組件實(shí)現(xiàn)
@Component
struct channel_chose {
  private swiperController: SwiperController = new SwiperController()
  private data: MyDataSource = new MyDataSource([])
  private channelNum: number = 2
  private tmp: number = 1
  @Link channel: number
//導(dǎo)入輪播內(nèi)容
  aboutToAppear(): void {
    let list = []
    for (var i = 1; i <= this.channelNum; i++) {
      list.push('ADC_' + i.toString());
    }
    this.data = new MyDataSource(list)
  }

  build() {
    Column({ space: 5 }) {
      Swiper(this.swiperController) {
        LazyForEach(this.data, (item: string) => {
          Text(item)
            .borderRadius(10)
            .width('80%')
            .height(70)
            .fontColor('#ff1a5ea4')
            .fontWeight(FontWeight.Bolder)
            .textAlign(TextAlign.Center)
            .fontSize(30)
        }, item => item)
      }
      .cachedCount(2)
      .interval(4000)
      .indicator(false)
      .duration(1000)
      .itemSpace(10)
      .vertical(true)
      .curve(Curve.Linear)
      .onChange((index: number) => {
        this.tmp = index + 1
      })

      Row({ space: 12 }) {
        Button('Change').backgroundColor('#ff366fb1').fontSize(20).height(50).width(120)
          .onClick(() => {
            this.swiperController.showNext()
          })
        Button('Select').backgroundColor('#ff366fb1').fontSize(20).height(50).width(120)
          .onClick(() => {
            this.channel = this.tmp;
            prompt.showToast({ message: 'Select data From ADC_'+this.channel.toString() })
            console.info('Select data From Channel_'+this.channel.toString())
          })
      }.margin(20)
    }.width('50%')
  }
}

@Component
struct show_temperature{
  @Link temperature: Number
  build(){
    Text(this.temperature.toFixed(1)+'°C')
      .width('50%')
      .fontSize(60)
      .fontColor(Color.White)
      .fontStyle(FontStyle.Italic)
      .textAlign(TextAlign.Center)
      .fontWeight(FontWeight.Bold)
  }
}

@Entry
@Component
struct Index {
  @State channel: number = 1
  @State adc_val: number = 0
  @State temperature: number = 0
  private  timerId: number = -1

  //獲取溫度傳感器ADC采樣值并計(jì)算溫度
  private get_adc_value() {
    let get_value = adc_hdf.get_adc_value(this.channel-1);
    if (get_value <= 1500) {
      this.adc_val = get_value;
      this.temperature = (this.adc_val / 4096) * 1.8 * 100;
    }
    else {
      this.temperature = 0
      prompt.showToast({
        message: "獲取失敗，請(qǐng)檢查連線(xiàn)", // 顯示文本
        duration: 1000, // 顯示時(shí)長(zhǎng)
      })
    }
  }

  //程序運(yùn)行時(shí)開(kāi)啟定時(shí)器Interval，每隔一秒調(diào)用get_adc_value更新溫度值
  aboutToAppear(): void {
    this.timerId = setInterval(() => {
      this.get_adc_value()
    }, 1000)
  }
  //銷(xiāo)毀定時(shí)器
  aboutToDisappear() {
    if (this.timerId > 0) {
      clearTimeout(this.timerId)
      this.timerId = -1
    }
  }

  build() {
    Row() {
      show_temperature({temperature: $temperature})
      Column({space:0}){
        channel_chose({channel:$channel})
      }.height('80%')
    }.height('100%')
    .backgroundImage($r('app.media.bg')).backgroundImageSize(ImageSize.Cover)
  }
}