/// <summary>
/// Starts the acquisition.
/// </summary>
/// <returns>System.Int16.</returns>
/// <exception cref="InvalidOperationException">AI_ContScanChannels Fail, error: " + err</exception>
public short StartAcq()
{
config_para.ai_buf_ready_idx = 0;
latestEncoderValue = Double.NaN;
latestVoltageValue = Double.NaN;
short err = DASK.AI_ContScanChannels(GetHandle(), config_para.ai_select_channel, config_para.ai_chnl_range, new ushort[] { config_para.ai_buffer_id[0] }, config_para.ai_all_data_count, config_para.ai_sample_rate, DASK.ASYNCH_OP);
if (err < 0)
{
throw new InvalidOperationException("AI_ContScanChannels Fail, error: " + err);
}
return(err);
}
private void DAQConfig()
{
err = DASK.AI_9221_Config(cardRegNumber, ConfigCtrl, TrigCtrl, true);
if (err < 0)
{
MessageBox.Show("config");
}
/*Set Scan and Sampling Rate*/
; err = DASK.AI_9221_CounterInterval(cardRegNumber, ScanIntrv, SampIntrv);
if (err < 0)
{
MessageBox.Show("AI_9222_CounterInterval");
}
/*Enable Double Buffer Mode*/
err = DASK.AI_AsyncDblBufferMode(cardRegNumber, true);
if (err < 0)
{
MessageBox.Show("AI_AsyncDblBufferMode");
}
/*Setup Buffer for AI DMA Transfer*/
err = DASK.AI_ContBufferSetup(cardRegNumber, _ptr[0], AI_TotalReadCount, out _bufferId[0]);
if (err < 0)
{
MessageBox.Show("AI_ContBufferSetup");
}
err = DASK.AI_ContBufferSetup(cardRegNumber, _ptr[1], AI_TotalReadCount, out _bufferId[1]);
if (err < 0)
{
MessageBox.Show("AI_ContBufferSetup");
}
err = DASK.AI_EventCallBack(cardRegNumber, 1 /*add*/, DASK.DBEvent /*EventType*/, ai_buf_ready_cbdel);
if (err < 0)
{
MessageBox.Show("AI_EventCallBack");
}
err = DASK.AI_ContScanChannels(cardRegNumber, (ushort)(Channel - 1), AdRange, _bufferId, AI_TotalReadCount, 0 /*Ignore*/, DASK.ASYNCH_OP);
if (err < 0)
{
MessageBox.Show("AI_ContScanChannels");
}
}
private void PCI9222_Load(object sender, EventArgs e)
{
short ret = DASK.Register_Card(DASK.PCI_9222, 0);
if (ret >= 0)
{
cardRegNumber = (ushort)ret;//Register_Card的时候，把卡号给cardRegNumber
}
else
{
MessageBox.Show("9222卡初始化失败！");
}
//ushort ConfigCtrl = DASK.P922x_AI_SingEnded | DASK.P922x_AI_CONVSRC_INT;//?差分在哪区分
//ushort TrigCtrl = DASK.P922x_AI_TRGMOD_POST | DASK.P922x_AI_TRGSRC_SOFT;//?
ushort ConfigCtrl = DASK.P922x_AI_Differential | DASK.P922x_AI_CONVSRC_INT;; //?差分在哪区分
ushort TrigCtrl = DASK.P922x_AI_TRGMOD_POST | DASK.P922x_AI_TRGSRC_SOFT;; //?
uint ReTriggerCount = 0; /*Ignore in Non-Retrigger*/
bufindex = 0;//是用来两个交替读吗？
//Channel = 4; /*AI Channel Number to be read*/
//uint SampIntrv = 8000; /*Sampling Rate: P922X_TIMEBASE/320 = 250K Hz*/ //这个设置，如果要快一点，怎么设置，变小？
//P922X_TIMEBASE 时钟，80000000， intrv=80000000/5000=16000;5000为每秒5000个数据，每个通道1000个数据/s
uint SampIntrv = 16000; /*Sampling Rate: P922X_TIMEBASE/320 = 250K Hz*/ //采样率=80 000000/500=160000，每个通道100个数据，有5个通道
//AI_ReadCount设置为500，
//建议每秒钟采集10次-50次，这样不会丢数据。如果采集20次，怎么设置了？
//目标：1S1000个数据，1ms一个 intrv=80000000/5000=16000;5000为每秒5000个数据，每个通道1000个数据/s SampIntrv = 16000，
//AI_ReadCount=5000，则1S采集一次，如果设置成500,则0.1S采集一次，一次100个数据每通道、如果设置成250，则0.05采集一次，1次50个数据
uint ScanIntrv = (uint)(SampIntrv * (Channel + 1)); /*Scan Rate: P922X_TIMEBASE/320 = 250K Hz*/
ushort AdRange = DASK.AD_B_10_V; /*AI range*/
ai_buf_ready_cbdel = new CallbackDelegate(ai_buf_ready_cbfunc);
_ptr[0] = Marshal.AllocHGlobal((sizeof(ushort) * ((Int32)AI_ReadCount)));//5000
_ptr[1] = Marshal.AllocHGlobal((sizeof(ushort) * ((Int32)AI_ReadCount)));
VBuffer[0] = Marshal.AllocHGlobal((sizeof(double) * ((Int32)AI_ReadCount)));
/*Configure AI*/
err = DASK.AI_9222_Config(cardRegNumber, ConfigCtrl, TrigCtrl, ReTriggerCount, true);
if (err < 0)
{
MessageBox.Show("config");
}
/*Set Scan and Sampling Rate*/
err = DASK.AI_9222_CounterInterval(cardRegNumber, ScanIntrv, SampIntrv);
if (err < 0)
{
MessageBox.Show("AI_9222_CounterInterval");
}
/*Enable Double Buffer Mode*/
err = DASK.AI_AsyncDblBufferMode(cardRegNumber, true);
if (err < 0)
{
MessageBox.Show("AI_AsyncDblBufferMode");
}
/*Setup Buffer for AI DMA Transfer*/
err = DASK.AI_ContBufferSetup(cardRegNumber, _ptr[0], AI_ReadCount, out _bufferId[0]);
if (err < 0)
{
MessageBox.Show("AI_ContBufferSetup");
}
err = DASK.AI_ContBufferSetup(cardRegNumber, _ptr[1], AI_ReadCount, out _bufferId[1]);
if (err < 0)
{
MessageBox.Show("AI_ContBufferSetup");
}
err = DASK.AI_EventCallBack(cardRegNumber, 1 /*add*/, DASK.DBEvent /*EventType*/, ai_buf_ready_cbdel);//????????????????????
if (err < 0)
{
MessageBox.Show("AI_EventCallBack");
}
err = DASK.AI_ContScanChannels(cardRegNumber, Channel, AdRange, _bufferId, AI_ReadCount, 0 /*Ignore*/, DASK.ASYNCH_OP);////??????????
if (err < 0)
{
MessageBox.Show("AI_ContScanChannels");
}
this.timer1.Enabled = true;
}
public void PCI922Init()
{
short ret = DASK.Register_Card(DASK.PCI_9222, 0);
if (ret >= 0)
{
cardRegNumber = (ushort)ret;//Register_Card的时候，把卡号给cardRegNumber
Globals.addList("9222卡初始化成功！", Mycolor.None);
#region PCI9222设置
//ushort ConfigCtrl = DASK.P922x_AI_SingEnded | DASK.P922x_AI_CONVSRC_INT;//?差分在哪区分
//ushort TrigCtrl = DASK.P922x_AI_TRGMOD_POST | DASK.P922x_AI_TRGSRC_SOFT;//?
ushort ConfigCtrl = DASK.P922x_AI_Differential; //?差分在哪区分
ushort TrigCtrl = DASK.P922x_AI_TRGMOD_POST; //?
uint ReTriggerCount = 0; /*Ignore in Non-Retrigger*/
bufindex = 0;//是用来两个交替读吗？
//Channel = 4; /*AI Channel Number to be read*/
//uint SampIntrv = 8000; /*Sampling Rate: P922X_TIMEBASE/320 = 250K Hz*/ //这个设置，如果要快一点，怎么设置，变小？
//AI_ReadCount设置为500，
//建议每秒钟采集10次-50次，这样不会丢数据。如果采集20次，怎么设置了？
//目标：1S1000个数据，1ms一个 intrv=80000000/5000=16000;5000为每秒5000个数据，每个通道1000个数据/s SampIntrv = 16000，
//AI_ReadCount=5000，则1S采集一次，如果设置成500,则0.1S采集一次，一次100个数据每通道、如果设置成250，则0.05采集一次，1次50个数据
uint SampIntrv = 16000; /*Sampling Rate: P922X_TIMEBASE/320 = 250K Hz*/
uint ScanIntrv = (uint)(SampIntrv * (Channel + 1)); /*Scan Rate: P922X_TIMEBASE/320 = 250K Hz*/
ushort AdRange = DASK.AD_B_10_V; /*AI range*/
ai_buf_ready_cbdel = new CallbackDelegate(ai_buf_ready_cbfunc);
_ptr[0] = Marshal.AllocHGlobal((sizeof(ushort) * ((Int32)AI_ReadCount)));//5000
_ptr[1] = Marshal.AllocHGlobal((sizeof(ushort) * ((Int32)AI_ReadCount)));
VBuffer[0] = Marshal.AllocHGlobal((sizeof(double) * ((Int32)AI_ReadCount)));
/*Configure AI*/
err = DASK.AI_9222_Config(cardRegNumber, ConfigCtrl, TrigCtrl, ReTriggerCount, true);
if (err < 0)
{
Globals.addList("9222卡config失败！", Mycolor.ErrorRed);
}
/*Set Scan and Sampling Rate*/
err = DASK.AI_9222_CounterInterval(cardRegNumber, ScanIntrv, SampIntrv);
if (err < 0)
{
Globals.addList("9222卡AI_9222_CounterInterval设置失败！", Mycolor.ErrorRed);
}
/*Enable Double Buffer Mode*/
err = DASK.AI_AsyncDblBufferMode(cardRegNumber, true);
if (err < 0)
{
Globals.addList("9222卡AI_AsyncDblBufferMode设置失败！", Mycolor.ErrorRed);
}
/*Setup Buffer for AI DMA Transfer*/
err = DASK.AI_ContBufferSetup(cardRegNumber, _ptr[0], AI_ReadCount, out _bufferId[0]);
if (err < 0)
{
Globals.addList("9222卡AI_ContBufferSetup设置失败！", Mycolor.ErrorRed);
}
err = DASK.AI_ContBufferSetup(cardRegNumber, _ptr[1], AI_ReadCount, out _bufferId[1]);
if (err < 0)
{
Globals.addList("9222卡AI_ContBufferSetup设置失败！", Mycolor.ErrorRed);
}
err = DASK.AI_EventCallBack(cardRegNumber, 1 /*add*/, DASK.DBEvent /*EventType*/, ai_buf_ready_cbdel);//????????????????????
if (err < 0)
{
Globals.addList("9222卡AI_EventCallBack设置失败！", Mycolor.ErrorRed);
}
err = DASK.AI_ContScanChannels(cardRegNumber, Channel, AdRange, _bufferId, AI_ReadCount, 0 /*Ignore*/, DASK.ASYNCH_OP);////??????????
if (err < 0)
{
Globals.addList("9222卡AI_ContScanChannels设置失败！", Mycolor.ErrorRed);
}
#endregion
}
else
{
Globals.PostAlarmMachine(XAlarmLevel.STOP, (int)AlarmCode.凌华PCI9222板卡异常, AlarmCategory.SYSTEM.ToString(), "凌华PCI9222板卡异常");
if (ShowList != null)
{
ShowList("9222卡初始化失败！");
}
}
}
/// <summary>
/// Gets the load cell offset.
/// Use this function to get an average of offset when load cell is in steady status
/// </summary>
/// <returns>System.Double.</returns>
/// <exception cref="InvalidOperationException">
/// AI_AsyncDblBufferMode Fail, error: " + err
/// or
/// AI_ContBufferSetup Fail, error: " + err
/// or
/// GetLoadCellOffset SetDSP Fail, error: " + err
/// or
/// AI_ContScanChannels Fail, error: " + err
/// </exception>
public double GetLoadCellOffset()
{
double offset = 0.0;
short err = -1;
IntPtr OffsetCalBf;
double[] OffsetVolbuf;
uint calSampleNum = 512;
ushort BufID;
OffsetCalBf = Marshal.AllocHGlobal((int)(sizeof(uint) * calSampleNum));
OffsetVolbuf = new double[((int)calSampleNum)];
///////Disable fun of AI data combined with enconder, otherwise the caculated offset is going to BOOM
err = DASK.GPTC_9524_SetCombineEcdData(GetHandle(), false);
if (err < 0)
{
throw new InvalidOperationException("GPTC_9524_SetCombineEcdData Fail, error: " + err);
}
for (int i = 0; i < gptcCtrl.GPTCNum; i++)
{
err = DASK.GPTC_Clear(GetHandle(), gptcCtrl.GCtr[i]);
if (err < 0)
{
throw new InvalidOperationException("GPTC_Clear Fail, error: " + err);
}
}
///////
err = DASK.AI_AsyncDblBufferMode((ushort)GetHandle(), false);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferMode Fail, error: " + err);
}
err = DASK.AI_ContBufferSetup((ushort)GetHandle(), OffsetCalBf, calSampleNum, out BufID);
if (err < 0)
{
throw new InvalidOperationException("AI_ContBufferSetup Fail, error: " + err);
}
err = SetDSP();
if (err < 0)
{
throw new InvalidOperationException("GetLoadCellOffset SetDSP Fail, error: " + err);
}
// Start Acquisition. The acquired raw data will be stored in the set buffer.
//ushort ADC_SampRate = DASK.P9524_ADC_2K_SPS;
err = DASK.AI_ContScanChannels((ushort)GetHandle(), config_para.ai_select_channel, config_para.ai_chnl_range, new ushort[] { BufID }, calSampleNum, config_para.ai_sample_rate, DASK.SYNCH_OP);
if (err < 0)
{
throw new InvalidOperationException("AI_ContScanChannels Fail, error: " + err);
}
DASK.AI_ContVScale(GetHandle(), config_para.ai_chnl_range, OffsetCalBf, OffsetVolbuf, (int)calSampleNum);
for (int i = 0; i < calSampleNum; i++)
{
offset = offset + OffsetVolbuf[i];
}
offset = offset / calSampleNum;
DASK.AI_ContBufferReset(GetHandle());
uint ai_access_cnt;
DASK.AI_AsyncClear(GetHandle(), out ai_access_cnt);
return(offset);
}