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happyme531happyme531
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v1.0.0
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‎.gitignore

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# Files and directories created by pub.
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.dart_tool/
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.packages
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# Conventional directory for build output.
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build/
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lib/generated/
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*.exe
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.vscode/
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5bcli

‎CHANGELOG.md

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## 1.0.0
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- Initial version.

‎bin/5bcli.dart

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import 'dart:io';
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import 'package:a5btool/cpu_serial.dart';
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import 'package:a5btool/cpu_lottery.dart';
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import 'package:a5btool/input_voltage.dart';
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import 'package:a5btool/board_rev.dart';
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import 'package:a5btool/generated/version.dart';
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import 'package:args/args.dart';
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/// Usage: 5bcli <命令> [参数]
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/// 命令:
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/// cpu_serial 获取cpu序列号
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/// lottery 获取体质抽奖结果
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/// input_voltage 读取输入电压
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/// board_rev 获取板子版本
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///
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int main(List<String> arguments) {
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String selfName = Platform.executable.split(Platform.pathSeparator).last;
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var parser = ArgParser();
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parser.addFlag('help', abbr: 'h', negatable: false, help: '获取帮助');
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parser.addFlag('version', abbr: 'v', negatable: false, help: '显示工具版本');
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//获取cpu序列号
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var cpuSerialParser = ArgParser();
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parser.addCommand('cpu_serial', cpuSerialParser);
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cpuSerialParser.addFlag('help', abbr: 'h', negatable: false, help: '获取帮助');
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//获取体质抽奖结果
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var lotteryParser = ArgParser();
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parser.addCommand('lottery', lotteryParser);
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lotteryParser.addFlag('help', abbr: 'h', negatable: false, help: '获取帮助');
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//读取输入电压
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var inputVoltageParser = ArgParser();
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parser.addCommand('input_voltage', inputVoltageParser);
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inputVoltageParser.addFlag('help', abbr: 'h', negatable: false, help: '获取帮助');
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//获取板子版本
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var boardRevParser = ArgParser();
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parser.addCommand('board_rev', boardRevParser);
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boardRevParser.addFlag('help', abbr: 'h', negatable: false, help: '获取帮助');
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var results = parser.parse(arguments);
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var helpText = '''
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使用方法: $selfName [参数] <命令> [命令参数]
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可用的命令:
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cpu_serial 获取cpu序列号
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lottery 获取体质抽奖结果
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input_voltage 读取输入电压
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board_rev 获取板子版本
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可用的参数:${parser.usage}
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''';
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if (results['help']) {
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print(helpText);
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return 0;
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}
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if (results['version']) {
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print('$selfName 版本: $packageVersion');
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return 0;
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}
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if (results.command == null) {
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print('未指定命令');
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print(helpText);
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return 0;
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}
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switch (results.command!.name) {
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case 'cpu_serial':
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if (results.command!['help']) {
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print(cpuSerialParser.usage);
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return 0;
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}
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var result = getCpuSerial();
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if (result == null) {
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print('获取cpu序列号失败');
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return 1;
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}
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print("CPU序列号: ${result}");
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break;
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case 'lottery':
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if (results.command!['help']) {
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print(lotteryParser.usage);
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return 0;
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}
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var frequencies = getFreqBigClustersMHz();
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if (frequencies == null) {
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print("获取cpu频率失败");
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return 1;
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}
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const Map<CpuLotteryResult, String> lotteryMap = {
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CpuLotteryResult.level1: "一等奖",
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CpuLotteryResult.level2: "二等奖",
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CpuLotteryResult.level3: "三等奖",
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CpuLotteryResult.levelWorst: "参与奖",
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};
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var result0 = getCpuLotteryResult(frequencies[0]);
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var result1 = getCpuLotteryResult(frequencies[1]);
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print("第一组大核频率: ${frequencies[0]}MHz, 抽奖结果: ${lotteryMap[result0]}");
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print("第二组大核频率: ${frequencies[1]}MHz, 抽奖结果: ${lotteryMap[result1]}");
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break;
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case 'input_voltage':
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if (results.command!['help']) {
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print(inputVoltageParser.usage);
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return 0;
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}
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var result = getInputVoltage();
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if (result == null) {
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print("获取输入电压失败");
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return 1;
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}
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print("输入电压: ${result.toStringAsFixed(2)}V");
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break;
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case 'board_rev':
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if (results.command!['help']) {
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print(boardRevParser.usage);
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return 0;
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}
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var result = getBoardRev();
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if (result == null) {
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print("获取板子版本失败");
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return 1;
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}
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print("板子版本: $result");
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break;
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}
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return 0;
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}

‎build.yaml

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targets:
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$default:
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builders:
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build_version:
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options:
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output: lib/generated/version.dart

‎lib/board_rev.dart

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///board_rev.dart --- 获取板子的版本号
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///通过读取saradc5的值来判断
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///应该不需要root权限
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import 'dart:io';
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/// 0 -> A
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/// 682 -> B
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/// 1365 -> C
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/// 2047 -> D
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/// 2730 -> E
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/// 3412 -> F
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/// 4095 -> H // 原理图是这么写的
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const Map levelVersionMap = {
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0: 'A',
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682: 'B',
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1365: 'C',
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2047: 'D',
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2730: 'E',
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3412: 'F',
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4095: 'H',
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};
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String? getBoardRev() {
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//不知为何读取这个dac时第一次读取的值不稳定，所以读取两次
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var processResult = Process.runSync(
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'cat', ['/sys/bus/iio/devices/iio:device0/in_voltage5_raw']);
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if (processResult.exitCode != 0) {
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return null;
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}
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sleep(Duration(milliseconds: 100));
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processResult = Process.runSync(
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'cat', ['/sys/bus/iio/devices/iio:device0/in_voltage5_raw']);
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if (processResult.exitCode != 0) {
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return null;
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}
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var value = int.parse(processResult.stdout.toString().trim());
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//找到最接近的值
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var min = 4095;
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var minKey = 0;
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levelVersionMap.forEach((key, v) {
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var diff = (key - value).abs();
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if (diff < min) {
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min = diff;
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minKey = key;
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}
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});
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return levelVersionMap[minKey];
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}

‎lib/cpu_lottery.dart

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///cpu_lottery.dart --- CPU体质大抽奖！
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///读取CPU大核的最高频率，判断体质
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///应该不需要root权限
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import 'dart:io';
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enum CpuLotteryResult {
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level1,
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level2,
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level3,
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level4,
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level5,
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levelWorst,
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}
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const Map freq2LevelMap = {
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2250: CpuLotteryResult.levelWorst,
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2300: CpuLotteryResult.level3,
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2350: CpuLotteryResult.level2,
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2400: CpuLotteryResult.level1,
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};
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const String cpuFreqPathBigCluster1 =
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'/sys/devices/system/cpu/cpufreq/policy4/cpuinfo_max_freq';
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const String cpuFreqPathBigCluster2 =
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'/sys/devices/system/cpu/cpufreq/policy6/cpuinfo_max_freq';
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List? getFreqBigClustersMHz() {
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var processResult =
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Process.runSync('cat', [cpuFreqPathBigCluster1, cpuFreqPathBigCluster2]);
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if (processResult.exitCode != 0) {
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return null;
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}
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var lines = processResult.stdout.toString().split('\n');
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lines.removeWhere((element) => element.isEmpty);
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return lines.map((e) => int.parse(e.trim()) ~/ 1000).toList();
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}
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CpuLotteryResult getCpuLotteryResult(int freqMHz) {
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var minimalFreq = 999999;
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for (var key in freq2LevelMap.keys) {
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if (key < minimalFreq) {
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minimalFreq = key;
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}
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}
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if (freqMHz < minimalFreq) {
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return CpuLotteryResult.levelWorst;
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}
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var min = 2400;
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var minKey = 0;
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freq2LevelMap.forEach((key, v) {
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var diff = (key - freqMHz).abs();
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if (diff < min) {
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min = diff;
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minKey = key;
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}
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});
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return freq2LevelMap[minKey];
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}

‎lib/cpu_serial.dart

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import 'dart:io';
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/// 读取/proc/cpuinfo的内容，并保留最后的Serial: xxxxxxxx
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/// 应该不需要root权限
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/// @return 返回cpu序列号, 如果没有找到则返回null
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String? getCpuSerial() {
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var processResult = Process.runSync('cat', ['/proc/cpuinfo']);
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if (processResult.exitCode != 0) {
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return null;
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}
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var lines = processResult.stdout.toString().split('\n');
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var serial = lines.lastWhere((element) => element.startsWith('Serial'),
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orElse: () => '');
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if (serial.isEmpty) {
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return null;
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}
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return serial.split(':')[1].trim();
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}

‎lib/input_voltage.dart

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///input_voltage.dart --- 读取输入电压
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///通过读取saradc6的值来计算电压
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///应该不需要root权限
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import 'dart:io';
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import 'dart:math';
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double? getInputVoltage() {
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var processResult = Process.runSync(
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'cat', ['/sys/bus/iio/devices/iio:device0/in_voltage6_raw']);
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if (processResult.exitCode != 0) {
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return null;
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}
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var value = int.parse(processResult.stdout.toString().trim());
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//12bit adc, 8.2k/100k 分压电阻, 1.8v参考电压
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return value / pow(2, 12) * 1.8 * (100 + 8.2) / 8.2;
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}

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