OTA-远程升级组件（第三方平台）

硬件平台

open(Object option)

创建一个OTA实例。

入参

无。

返回

OTA实例。返回空表示失败。

getPackage(Object option, Function callback)

下载文件。

入参

Object、Function类型，属性如下：

返回

无。

appUpgrade(Object option, Function callback)

JS脚本升级。

入参

Object、Function类型，属性如下：

返回

无。

firmwareUpgrade(Object option, Function callback)

固件升级。

入参

Object、Function类型，属性如下：

返回

升级成功设备会重启，失败会返回非0值。

示例代码

import * as network from 'network';
import * as audioplayer from 'audioplayer';
import * as http from 'http';

var net = network.openNetWorkClient();

const url = {
  appUrl: 'https://testhgy.oss-cn-shanghai.aliyuncs.com/upgrade.bin',
  firmwareUrl: 'https://testhgy.oss-cn-shanghai.aliyuncs.com/fbf.bin',
  resUrl: 'https://testhgy.oss-cn-shanghai.aliyuncs.com/xxxxx.mp3'
};

const filePath = {
  app: 'jsamp/appUpgrade.bin',
  firmware: 'jsamp/firmware.bin',
  res: 'jsamp/test.mp3'
};

const resType = {
  app: 'appPack',
  firmware: 'firmwarePack',
  res: 'resource'
};

const packageInfo = {
  url: url.firmwareUrl,
  size: 0,
  path: filePath.firmware,
  type: resType.res
};

function getPackage(packInfo, cb) {
  if (!packInfo) {
    console.log('packInfo is null');
    return -1;
  }
  
  http.addDownload({
    url: packInfo.url,
    filepath: packInfo.path,
    size: packInfo.size,
    method: 'GET',
    headers: {
      'Accept': '*/*',
    }
  });
  
  http.startDownload({
    success: function (res) {
      console.log('ampx http download result ' + res);
      if (res == 0) {
        console.log('ampx http: [success] http.download');
        cb();
      } else {
        console.log('amp http: [failed] http.download');
      }
      
      return res;
    }
  });
}

function doSomeThing()
{
  if (packageInfo.type == 'resource') {
    console.log('enter resource');
    //audioplayerHandle.setVolume(6);
    //audioplayerHandle.play(filePath.res, function () { console.log('playback complete'); });
  } else if (packageInfo.type == 'appPack') {
    console.log('enter app update');
    /* upgrade application code */
    //updateManager.appUpgrade({
    //length: 2520,
    //storePath: packageInfo.path
    //}, () => { });
  } else if (packageInfo.type == 'firmwarePack') {
    console.log('enter app firmwarePack');
    /* upgrade firmware code */
    //updateManager.firmwareUpgrade({
    //length: 839680,
    //storePath: packageInfo.path
    //}, () => { });
  }
}

function upgrade_test() 
{
  getPackage(packageInfo, doSomeThing);
}

var status = net.getStatus();

if (status == 'connect') {
  upgrade_test();
} else {
  net.on('connect', () => {
    upgrade_test();
  });
}