Files
IOT_SIM/runtime/Sim.Devices/DeviceCtrlLibrary/TrainingBoard.cs
T
xuyueandClaude Opus 5.5 eedf1aa2fb 项目 7 情景控制:虚拟时钟、项目资源、Windows Media Player、TrackBar
- 虚拟时钟:实训台时钟面板可拨时间、1×/10×/60× 倍速、恢复真实时间;编译时把
  DateTime.Now / Today / UtcNow 改写成 SimClock;评分规则加 clock 步骤
- 项目资源(Properties.Resources):平台素材库(自绘开关图片、合成门铃声),"项目资源"对话框勾选,
  平台生成 Properties/Resources.Designer.cs;设计器图片框的"图片"属性可选资源;程序目录下的 Resources
  指向素材库;未添加资源时给中文提示
- Windows Media Player(AxWMPLib):设置 URL 自动播放、Ctlcontrols.play/stop,浏览器里播放声音,
  实训台加广播喇叭;编译时给窗体嵌空资源,OcxState 取到 null 不报错;图片和声音统一按内容缓存(blob)
- TrackBar:拖动、点轨道、方向键,先 ValueChanged 再 Scroll;设计器加"滑动条""媒体播放器"
- 评分规则加 value、media 检查;示例项目 7 任务 1–3(修正书上开关灯判断写反、漏填串口列表)
- 修正:Properties/ 下的资源类不当作窗体;带命名空间的 System.AppDomain.CurrentDomain.BaseDirectory 放行
- 测试:虚拟时钟、TrackBar、项目 7 示例评分、作业起点带资源类

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-23 14:11:05 +08:00

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using System;
using System.Text.Json.Nodes;
namespace DeviceCtrlLibrary;
/// <summary>
/// 学生程序进程里的实训台传感器读数副本。权威状态在 Bun 服务器上(网页滑块和开关控制):
/// 启动时从环境变量 SIM_BOARD 读入,之后服务器每次变化都通过标准输入推送过来。
/// SetData() 直接读这里,不需要等待网络往返。
/// </summary>
public static class TrainingBoard
{
private static readonly object Lock = new();
// ADAM-4017 Vin0–Vin7(温度、湿度、光照、气压、空气质量、CO2、风速、预留)
private static int[] _analog = { 25, 60, 500, 101, 60, 600, 3, 0 };
// ADAM-4150 DI0–DI6(人体红外、火焰、烟雾、红外对射、预留)
private static bool[] _digital = new bool[7];
static TrainingBoard()
{
var initial = Environment.GetEnvironmentVariable("SIM_BOARD");
if (!string.IsNullOrEmpty(initial) && JsonNode.Parse(initial) is JsonObject json) Update(json);
}
/// <summary>平台内部使用:应用服务器推送的 {"analog":[…],"digital":[…],"clock":…}(clock 不带时表示不变)</summary>
public static void Update(JsonObject json)
{
if (json.ContainsKey("clock")) Sim.Host.SimClock.Update(json["clock"]);
lock (Lock)
{
if (json["analog"] is JsonArray analog)
for (var i = 0; i < analog.Count && i < _analog.Length; i++) _analog[i] = (int?)analog[i] ?? 0;
if (json["digital"] is JsonArray digital)
for (var i = 0; i < digital.Count && i < _digital.Length; i++) _digital[i] = (bool?)digital[i] ?? false;
}
}
internal static int ReadAnalog(int channel)
{
lock (Lock) return channel >= 0 && channel < _analog.Length ? _analog[channel] : 0;
}
internal static bool ReadDigital(int channel)
{
lock (Lock) return channel >= 0 && channel < _digital.Length && _digital[channel];
}
}