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查询返回数据转double

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huangsucan
2026-08-19 20:04:10 +08:00
parent fb6e5b3cb1
commit 38f594e4aa
12 changed files with 283 additions and 248 deletions
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DeviceCommand/Devices/SPAW7000.cs
+31 -11
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@@ -22,6 +22,21 @@ namespace DeviceCommand.Devices
{
}
/// <summary>
/// 辅助方法：解析科学计数法字符串为普通 double。解析失败返回 double.NaN。
/// </summary>
private double ParseScientificResponse(string response)
{
if (string.IsNullOrWhiteSpace(response)) return double.NaN;
// 使用 NumberStyles.Float 允许原生的科学计数法解析 (例如 "1.23E+04")
if (double.TryParse(response.Trim(), NumberStyles.Float, CultureInfo.InvariantCulture, out double result))
{
return result;
}
return double.NaN;
}
#region 1. IEEE 488.2 公共命令
/// <summary>
@@ -79,7 +94,7 @@ namespace DeviceCommand.Devices
/// <param name="channel">通道号/单元号</param>
/// <param name="ct">取消令牌</param>
/// <returns>实时 RMS 电压值 (单位: V)</returns>
public virtual async Task<string> 查询实际电压(int channel, CancellationToken ct = default)
public virtual async Task<double> 查询实际电压(int channel, CancellationToken ct = default)
{
// 1. 先配置 ITEM1 为指定通道的电压有效值 (URMS)
string setItem = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:ITEM1 URMS,{0}{1}", channel, ScpiDelimiter);
@@ -87,7 +102,8 @@ namespace DeviceCommand.Devices
// 2. 再读取 ITEM1 的值
string query = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:VALue? 1{0}", ScpiDelimiter);
return await WriteReadAsync(query, ScpiDelimiter, ct);
string response = await WriteReadAsync(query, ScpiDelimiter, ct);
return ParseScientificResponse(response);
}
/// <summary>
@@ -96,7 +112,7 @@ namespace DeviceCommand.Devices
/// <param name="channel">通道号/单元号</param>
/// <param name="ct">取消令牌</param>
/// <returns>实时 RMS 电流值 (单位: A)</returns>
public virtual async Task<string> 查询实际电流(int channel, CancellationToken ct = default)
public virtual async Task<double> 查询实际电流(int channel, CancellationToken ct = default)
{
// 1. 配置 ITEM1 为指定通道的电流有效值 (IRMS)
string setItem = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:ITEM1 IRMS,{0}{1}", channel, ScpiDelimiter);
@@ -104,7 +120,8 @@ namespace DeviceCommand.Devices
// 2. 读取 ITEM1 的值
string query = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:VALue? 1{0}", ScpiDelimiter);
return await WriteReadAsync(query, ScpiDelimiter, ct);
string response = await WriteReadAsync(query, ScpiDelimiter, ct);
return ParseScientificResponse(response);
}
/// <summary>
@@ -113,7 +130,7 @@ namespace DeviceCommand.Devices
/// <param name="channel">通道号/单元号</param>
/// <param name="ct">取消令牌</param>
/// <returns>实时有功功率值 (单位: W)</returns>
public virtual async Task<string> 查询实际功率(int channel, CancellationToken ct = default)
public virtual async Task<double> 查询实际功率(int channel, CancellationToken ct = default)
{
// 1. 配置 ITEM1 为指定通道的有功功率 (P)
string setItem = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:ITEM1 P,{0}{1}", channel, ScpiDelimiter);
@@ -121,7 +138,8 @@ namespace DeviceCommand.Devices
// 2. 读取 ITEM1 的值
string query = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:VALue? 1{0}", ScpiDelimiter);
return await WriteReadAsync(query, ScpiDelimiter, ct);
string response = await WriteReadAsync(query, ScpiDelimiter, ct);
return ParseScientificResponse(response);
}
/// <summary>
@@ -130,7 +148,7 @@ namespace DeviceCommand.Devices
/// <param name="channel">通道号/单元号</param>
/// <param name="ct">取消令牌</param>
/// <returns>实时频率值 (单位: Hz)</returns>
public virtual async Task<string> 查询频率(int channel, CancellationToken ct = default)
public virtual async Task<double> 查询频率(int channel, CancellationToken ct = default)
{
// 1. 配置 ITEM1 为指定通道的电压频率 (FU)
string setItem = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:ITEM1 FU,{0}{1}", channel, ScpiDelimiter);
@@ -138,7 +156,8 @@ namespace DeviceCommand.Devices
// 2. 读取 ITEM1 的值
string query = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:VALue? 1{0}", ScpiDelimiter);
return await WriteReadAsync(query, ScpiDelimiter, ct);
string response = await WriteReadAsync(query, ScpiDelimiter, ct);
return ParseScientificResponse(response);
}
/// <summary>
@@ -147,7 +166,7 @@ namespace DeviceCommand.Devices
/// <param name="channel">通道号/单元号</param>
/// <param name="ct">取消令牌</param>
/// <returns>功率因数值</returns>
public virtual async Task<string> 查询功率因数(int channel, CancellationToken ct = default)
public virtual async Task<double> 查询功率因数(int channel, CancellationToken ct = default)
{
// 1. 配置 ITEM1 为指定通道的功率因数 (LAMBda)
string setItem = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:ITEM1 LAMBda,{0}{1}", channel, ScpiDelimiter);
@@ -155,7 +174,8 @@ namespace DeviceCommand.Devices
// 2. 读取 ITEM1 的值
string query = string.Format(CultureInfo.InvariantCulture, ":NUMeric:NORMal:VALue? 1{0}", ScpiDelimiter);
return await WriteReadAsync(query, ScpiDelimiter, ct);
string response = await WriteReadAsync(query, ScpiDelimiter, ct);
return ParseScientificResponse(response);
}
#endregion
@@ -287,4 +307,4 @@ namespace DeviceCommand.Devices
#endregion
}
}
}