本人在docker hub上上传了自己用的基于ubuntu18.04搭建的openwrt编译环境，可以方便开发 […]
Continue reading...[置顶]openwrt完全新手教程(源码下载)
更新时间：20160120 新手下载并首次编译openwrt ========重点推荐教程文档：openwrt […]
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1、使用string.format转换，再通过tonumber转换回来 [crayon-60435e64e56 […]
Continue reading...安卓java：检测设备否有GPS模块
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public boolean hasGPSDevice(Context context) { final LocationManager mgr = (LocationManager)context.getSystemService(Context.LOCATION_SERVICE); if ( mgr == null ) return false; final List<String> providers = mgr.getAllProviders(); if ( providers == null ) return false; return providers.contains(LocationManager.GPS_PROVIDER); } |
参考：https://blog.csdn.n […]
Continue reading...安卓java：统计指定时间段内的流量信息
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import android.app.usage.NetworkStatsManager; private NetworkStatsManager networkStatsManager; networkStatsManager = (NetworkStatsManager) context.getApplicationContext().getSystemService(NETWORK_STATS_SERVICE); NetworkStats.Bucket bucket = null; bucket = networkStatsManager.querySummaryForDevice(ConnectivityManager.TYPE_MOBILE, telephonyManager.getSubscriberId(), monthStart, System.currentTimeMillis()); Logger.i("month Total rx: " + bucket.getRxBytes() +" tx = " + bucket.getTxBytes()); bucket = networkStatsManager.querySummaryForDevice(ConnectivityManager.TYPE_MOBILE, telephonyManager.getSubscriberId(), todayStart, System.currentTimeMillis()); Logger.i("today Total rx: " + bucket.getRxBytes() +" tx = " + bucket.getTxBytes()); |
使用networkStatsManager. […]
Continue reading...安卓java：获取月初的时间戳
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public static long getTimestampOfbeginningMonth(){ /* // 获取当前年份、月份、日期 Calendar cale = null; cale = Calendar.getInstance(); int year = cale.get(Calendar.YEAR); int month = cale.get(Calendar.MONTH) + 1; int day = cale.get(Calendar.DATE); int hour = cale.get(Calendar.HOUR_OF_DAY); int minute = cale.get(Calendar.MINUTE); int second = cale.get(Calendar.SECOND); int dow = cale.get(Calendar.DAY_OF_WEEK); int dom = cale.get(Calendar.DAY_OF_MONTH); int doy = cale.get(Calendar.DAY_OF_YEAR); ShuncomLogger.i("Current Date: " + cale.getTime()); ShuncomLogger.i("Year: " + year); ShuncomLogger.i("Month: " + month); ShuncomLogger.i("Day: " + day); ShuncomLogger.i("Hour: " + hour); ShuncomLogger.i("Minute: " + minute); ShuncomLogger.i("Second: " + second); ShuncomLogger.i("Day of Week: " + dow); ShuncomLogger.i("Day of Month: " + dom); ShuncomLogger.i("Day of Year: " + doy); // 获取当月第一天和最后一天 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String firstday, lastday; // 获取前月的第一天 cale = Calendar.getInstance(); cale.add(Calendar.MONTH, 0); cale.set(Calendar.DAY_OF_MONTH, 1); firstday = format.format(cale.getTime()); // 获取前月的最后一天 cale = Calendar.getInstance(); cale.add(Calendar.MONTH, 1); cale.set(Calendar.DAY_OF_MONTH, 0); lastday = format.format(cale.getTime()); ShuncomLogger.i("本月第一天和最后一天分别是 ： " + firstday + " and " + lastday); */ Calendar calendar = Calendar.getInstance();// 获取当前日期 calendar.add(Calendar.MONTH, 0); calendar.set(Calendar.DAY_OF_MONTH, 1);// 设置为1号,当前日期既为本月第一天 calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); ShuncomLogger.i("月初的时间戳："+String.valueOf(calendar.getTimeInMillis())); return calendar.getTimeInMillis(); } public static long getTimestampOfbeginningToday(){ Calendar calendar = Calendar.getInstance();// 获取当前日期 //calendar.add(Calendar.MONTH, 0); //calendar.add(Calendar.DAY_OF_MONTH, 0); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); ShuncomLogger.i("今天开始的时间戳："+String.valueOf(calendar.getTimeInMillis())); return calendar.getTimeInMillis(); } |
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shell脚本中无法执行source命令
今天写了个简单的自动编译脚本，在执行编译前需要先引入一个环境变量文件，用到了source命令 然后执行脚本时却 […]
Continue reading...openwrt linux下gpio watchdog dts文件配置
由于项目需要，网关需要外接硬件看门狗，而且从网关上电开始就要开始喂狗，从uboot的代码中就开始了喂狗操作 而 […]
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Continue reading...openwrt CC编译linkit7688固件问题–libmraa
错误现象
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HEAD is now at 70600de mraa: update to version 0.8.0 error: Server does not allow request for unadvertised object 9cc90b7976252b2d14b7956230c5870097e1f008 Fetched in submodule path 'doxygen2jsdoc', but it did not contain 9cc90b7976252b2d14b7956230c5870097e1f008. Direct fetching of that commit failed. Makefile:51: recipe for target '/home/joseph/openwrt/linkit-7688/dl/libmraa-0.8.0-70600dece4138b0c0dbaff42f57828f1559cd840.tar.gz' failed make[3]: *** [/home/joseph/openwrt/linkit-7688/dl/libmraa-0.8.0-70600dece4138b0c0dbaff42f57828f1559cd840.tar.gz] Error 1 make[3]: Leaving directory '/home/joseph/openwrt/linkit-7688/feeds/packages/libs/libmraa' package/Makefile:191: recipe for target 'package/feeds/packages/libmraa/compile' failed make[2]: *** [package/feeds/packages/libmraa/compile] Error 2 make[2]: Leaving directory '/home/joseph/openwrt/linkit-7688' |
https://blog.csdn […]
Continue reading...openwrt widroa编译automake错误Unescaped left brace in regex is illegal here in regex; marked by
使用github上widroa的openwrt编译固件 遇见如下错误 Unescaped lef […]
Continue reading...jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00000000: 0x7368 instead问题原因
记录一个openwrt路由器成砖的问题，以前也遇见过，但是忘记了，这次记下来 [crayon-60435e64 […]
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