/// <summary>
/// 使用AIChannelConfiguration进行简仪采集卡通道配置
/// </summary>
/// <param name="jyTask">需要配置的简仪采集卡任务</param>
/// <param name="channelConfiguration">通道配置</param>
public static void MapAndConfigChannel(JYPXI62022AITask jyTask, AIChannelConfiguration channelConfiguration)
{
if (channelConfiguration.TerminalConfigType != AITerminalType.Differential)
{
throw new Exception("该简仪采集卡只能配置为差分输入！");
}
//简仪采集卡通道用int表示，应该是一个int的集合
//var channels = ((JArray)channelConfiguration.ChannelName).ToObject<List<int>>(); 当ChannelName还是Object的时候
var channels = ChannelNameTranslator.StringToListInt(channelConfiguration.ChannelName);
for (int i = 0; i < channels.Count(); i++)
{
jyTask.AddChannel(channels[i], channelConfiguration.MinimumValue, channelConfiguration.MaximumValue);
}
}
private static void MapAndConfigChannel(NIScope scopeSession, AIChannelConfiguration channelConfiguration)
{
//todo:检查是否真的是0，1，2……
//var channels = ((JArray)channelConfiguration.ChannelName).ToObject<List<int>>(); 当ChannelName还是Object的时候
var channels = ChannelNameTranslator.StringToListInt(channelConfiguration.ChannelName);
double range = channelConfiguration.MaximumValue - channelConfiguration.MinimumValue;
foreach (var c in channels)
{
//Todo:信号输入方式无法配置
//配置信号输入方式
switch (channelConfiguration.TerminalConfigType)
{
//目前只支持差分
case AITerminalType.Differential:
scopeSession.Channels[c.ToString()].Configure(range, 0, ScopeVerticalCoupling.DC, 1.0, true);
break;
default:
throw new Exception("输入方式 AITerminalType 定义无效！");
}
}
}
//读数据
private void readData(NIScope scopeSession)
{
//var channels = ((JArray)_staticConfig.ChannelConfig.ChannelName).ToObject<List<int>>();
var channels = ChannelNameTranslator.StringToListInt(_staticConfig.ChannelConfig.ChannelName);
//开新线程等待读数据
//await Task.Run(() =>
//{
int totalReadDataLength = 0;
PrecisionTimeSpan timeout = new PrecisionTimeSpan(1000000); //无timeOut
AnalogWaveformCollection <double> scopeWaveform = null;
double[,] readData = new double[_staticConfig.ChannelCount, _staticConfig.ClockConfig.TotalSampleLengthPerChannel];
//生成 channels
string channelScope = null;
//var sChannels = ((JArray)_staticConfig.ChannelConfig.ChannelName).ToObject<List<int>>();
var sChannels = ChannelNameTranslator.StringToListInt(_staticConfig.ChannelConfig.ChannelName);
foreach (var s in sChannels)
{
channelScope += s + ",";
}
channelScope = channelScope.Substring(0, channelScope.Length - 1);
//一次采完
//经过测试，发现在默认设置（不设置其它）情况下：
// 1、如果多次 FetchDouble，则每 2 次的数据不连续（中间断一截）
// 2、如果设置多个 records，则每 2 个 record 之间的数据不连续（中间断一截）
//因此暂时只允许一个 record
scopeWaveform = scopeSession.Channels[channelScope].Measurement.FetchDouble(timeout, _staticConfig.ClockConfig.TotalSampleLengthPerChannel, scopeWaveform);
//一旦上面这里获取到数据，则表示采集开始
AIState = Status.Running;
// i 是读取次数
// j 是通道计数
// k 是每一波的每个点
double[] temp;
AnalogWaveform <double> waveform;
for (int i = 0; i < _staticConfig.ClockConfig.TotalSampleLengthPerChannel / _staticConfig.ClockConfig.ReadSamplePerTime; i++)
{
//将一个通道的数据拷贝到 data[,] 的一行
for (int j = 0; j < _staticConfig.ChannelCount; j++)
{
waveform = scopeWaveform[i, j];
temp = waveform.GetRawData();
for (int k = 0; k < _staticConfig.ClockConfig.ReadSamplePerTime; k++)
{
readData[j, i *_staticConfig.ClockConfig.ReadSamplePerTime + k] = temp[k];
}
}
totalReadDataLength += _staticConfig.ClockConfig.ReadSamplePerTime;
}
GC.Collect();
Thread.Sleep(2000);
//发布数据到达事件
OnDataArrival(readData);
//发布停止任务事件
OnAITaskStopped();
//等待，让外部保证获取到 Running 状态
Thread.Sleep(2000);
//});
}
