/// <summary>
/// 启动AI采集任务
/// </summary>
public void TryArmTask()
{
if (AIState != Status.Idle)
{
throw new Exception("If you want to arm, the AI state must be 'Idle'!");
}
else
{
if (aiTask == null)
{
try
{
hasFinishFlag = false;
//新建任务
aiTask = new NationalInstruments.DAQmx.Task();
//aiTask.Stream.ReadAutoStart = true;
//配置任务
NIAIConfigMapper.MapAndConfigAll(aiTask, _staticConfig);
//获取并设置通道数
_staticConfig.ChannelCount = aiTask.AIChannels.Count;
//使用NI Task中的EveryNSamplesRead事件读取数据
aiTask.EveryNSamplesReadEventInterval = _staticConfig.ClockConfig.ReadSamplePerTime;
aiTask.EveryNSamplesRead += AiTask_EveryNSamplesRead;
//计算读取次数
times = 0;
totalTimes = _staticConfig.ClockConfig.TotalSampleLengthPerChannel / _staticConfig.ClockConfig.ReadSamplePerTime;
//Verify the Task
aiTask.Control(TaskAction.Verify);
//read stream
//使用reader读数据
reader = new AnalogMultiChannelReader(aiTask.Stream);
aiTask.SynchronizeCallbacks = true;
//开始任务
aiTask.Start();
//idle -> ready
AIState = Status.Ready;
}
catch (DaqException ex)
{
//ex.Message
goError();
throw ex;
}
}
}
}
/// <summary>
/// 启动AI采集任务
/// </summary>
public void TryArmTask()
{
if (AIState != Status.Idle)
{
throw new Exception("If you want to arm, the AI state must be 'Idle'!");
}
else
{
if (aiTask == null)
{
try
{
//新建任务
aiTask = new NationalInstruments.DAQmx.Task();
aiTask.Stream.ReadAutoStart = true;
//配置任务
NIAIConfigMapper.MapAndConfigAll(aiTask, _staticConfig.BasicAITaskConifg);
//获取并设置通道数
_staticConfig.ChannelCount = aiTask.AIChannels.Count;
//Verify the Task
aiTask.Control(TaskAction.Verify);
int channelCount = _staticConfig.ChannelCount;
int readSamplePerTime = _staticConfig.BasicAITaskConifg.ClockConfig.ReadSamplePerTime;
ReadData(aiTask, channelCount, readSamplePerTime);
//idle -> ready
AIState = Status.Ready;
//开始任务
aiTask.Start();
}
catch (DaqException ex)
{
//ex.Message
goError();
throw ex;
}
}
}
}