/// <summary>
/// Setups the acquisition callbacks.
/// </summary>
/// <param name="halfReadCallbackAddr">The half read callback addr.</param>
/// <param name="AiEndCallbackAddrr">The ai end callback addrr.</param>
/// <returns>System.Int16.</returns>
/// <exception cref="System.InvalidOperationException">
/// AI_AsyncDblBufferMode Fail, error: " + err
/// or
/// AI_ContBufferSetup Fail, error: " + err
/// or
/// AI_ContBufferSetup Fail, error: " + err
/// or
/// AI_EventCallBack Fail, error: " + err
/// or
/// AI_EventCallBack Fail, error: " + err
/// </exception>
private short SetupAcqCallbacks(MulticastDelegate halfReadCallbackAddr, MulticastDelegate AiEndCallbackAddrr)
{
short err = DASK.NoError;
// Double Buffer Setup
config_para.ai_raw_data_buf = new IntPtr[2];
config_para.ai_raw_data_buf[0] = Marshal.AllocHGlobal((int)(sizeof(uint) * config_para.ai_all_data_count));
config_para.ai_raw_data_buf[1] = Marshal.AllocHGlobal((int)(sizeof(uint) * config_para.ai_all_data_count));
config_para.is_ai_set_buf = true;
err = DASK.AI_AsyncDblBufferMode(GetHandle(), true);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferMode Fail, error: " + err);
}
err = DASK.AI_ContBufferSetup(GetHandle(), config_para.ai_raw_data_buf[0], config_para.ai_all_data_count, out config_para.ai_buffer_id[0]);
if (err < 0)
{
throw new InvalidOperationException("AI_ContBufferSetup Fail, error: " + err);
}
err = DASK.AI_ContBufferSetup(GetHandle(), config_para.ai_raw_data_buf[1], config_para.ai_all_data_count, out config_para.ai_buffer_id[1]);
if (err < 0)
{
throw new InvalidOperationException("AI_ContBufferSetup Fail, error: " + err);
}
// Set AI buffer Ready event
if (halfReadCallbackAddr != null)
{
err = DASK.AI_EventCallBack(GetHandle(), 1 /*add*/, DASK.DBEvent /*EventType*/, halfReadCallbackAddr);
if (err != DASK.NoError)
{
throw new InvalidOperationException("AI_EventCallBack Fail, error: " + err);
}
}
// Set AI done event
if (AiEndCallbackAddrr != null)
{
err = DASK.AI_EventCallBack(GetHandle(), 1 /*add*/, DASK.AIEnd /*EventType*/, AiEndCallbackAddrr);
if (err != DASK.NoError)
{
throw new InvalidOperationException("AI_EventCallBack 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");
}
}
static void Main(string[] args)
{
short err;
ushort card_num = 0;
short card;
uint ReadCount = 60;
ushort Group = 0; // Load Cell Channel Group
ushort XMode = DASK.P9524_AI_XFER_DMA;
ushort ADC_Range = 0;
ushort ADC_SampRate = DASK.P9524_ADC_60_SPS;
ushort ConfigCtrl = DASK.P9524_VEX_Range_10V | DASK.P9524_AI_BufAutoReset;
ushort TrigCtrl = 0;
uint dwTrigValue = 0;
ushort GCtr0 = DASK.P9524_CTR_QD0;
ushort Mode = DASK.P9524_x4_AB_Phase_Decoder;
ushort Channel = DASK.P9524_AI_LC_CH0;
byte Stopped = 0;
byte HalfReady = 0;
uint AccessCnt;
int viewidx = 0;
ushort overrunFlag = 0;
double ActualRate;
IntPtr BufPtr1;
ushort BufID1;
IntPtr BufPtr2;
ushort BufID2;
double[] voltageArray = new double[ReadCount];
ushort DFStage = 2;
uint SPKRejThreshold = 16;
StreamWriter sw = new StreamWriter("acq.csv");
BufPtr1 = Marshal.AllocHGlobal((int)(sizeof(uint) * (ReadCount)));
BufPtr2 = Marshal.AllocHGlobal((int)(sizeof(uint) * (ReadCount)));
card = DASK.Register_Card(DASK.PCI_9524, card_num);
if (card < 0)
{
throw new InvalidOperationException("DSA_Register_Card Fail, error: " + card);
}
//Enable Decoder0
err = DASK.GPTC_Clear((ushort)card, GCtr0);
if (err < 0)
{
throw new InvalidOperationException("GPTC_Clear Fail, error: " + err);
}
err = DASK.GPTC_Setup((ushort)card, GCtr0, Mode, 0, 0, 0, 0);
if (err < 0)
{
throw new InvalidOperationException("GPTC_Setup Fail, error: " + err);
}
//apply parameter 4 to "2" to combine data to AI
err = DASK.GPTC_Control((ushort)card, GCtr0, DASK.P9524_CTR_Enable, 2);
if (err < 0)
{
throw new InvalidOperationException("GPTC_Control Fail, error: " + err);
}
err = DASK.AI_AsyncDblBufferMode((ushort)card, true);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferMode Fail, error: " + err);
}
/*In Double Buffer Mode, you should setup two buffers*/
err = DASK.AI_ContBufferSetup((ushort)card, BufPtr1, ReadCount, out BufID1);
if (err < 0)
{
throw new InvalidOperationException("AI_ContBufferSetup Fail, error: " + err);
}
err = DASK.AI_ContBufferSetup((ushort)card, BufPtr2, ReadCount, out BufID2);
if (err < 0)
{
throw new InvalidOperationException("AI_ContBufferSetup Fail, error: " + err);
}
/*Load Cell Group*/
/*Set DSP - it is necessary fot Load Cell Group*/
err = DASK.AI_9524_SetDSP((ushort)card, Channel, DASK.P9524_SPIKE_REJ_ENABLE, DFStage, (ushort)SPKRejThreshold);
if (err < 0)
{
throw new InvalidOperationException("AI_9524_SetDSP Fail, error: " + err);
}
err = DASK.AI_9524_Config((ushort)card, Group, XMode, ConfigCtrl, TrigCtrl, (ushort)dwTrigValue);
if (err < 0)
{
throw new InvalidOperationException("AI_9524_Config Fail, error: " + err);
}
Console.WriteLine("\nPress any key to start AI Infinite Acquisition\n");
Console.ReadKey(true);
Console.WriteLine("\nYou can press any key to stop...\n\n");
err = DASK.AI_ContReadChannel((ushort)card, Channel, ADC_Range, new ushort[] { BufID1 }, ReadCount, ADC_SampRate, DASK.ASYNCH_OP);
if (err < 0)
{
throw new InvalidOperationException("AI_ContReadChannel Fail, error: " + err);
}
do
{
err = DASK.AI_AsyncDblBufferHalfReady((ushort)card, out HalfReady, out Stopped);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferHalfReady Fail, error: " + err);
}
System.Threading.Thread.Sleep(1);
if (HalfReady == 1)
{
if (viewidx == 0)
{
Console.WriteLine("Buffer 1 HalfReady, Process the data of Buffer 1\n");
/*Process buffer 1 data*/
DASK.AI_ContVScale((ushort)card, ADC_Range, BufPtr1, voltageArray, (int)ReadCount);
for (int j = 0; j < ReadCount; j = j + 2)
{
//fprintf(fin, "AI0:,%13.9f,2's Complement Decoder Valuse:, %d\n", voltageArray[i], (int)(Buffer1[i + 1] * 256) / 256);
sw.WriteLine(voltageArray[j] + "," + (int)(((uint *)(void *)BufPtr1)[j + 1] * 256) / 256);
}
viewidx = 1;
/*Tell the driver you complete the buffer 1 process*/
err = DASK.AI_AsyncDblBufferHandled((ushort)card);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferHandled Fail, error: " + err);
}
}
else
{
Console.WriteLine("Buffer 2 HalfReady, Process the data of Buffer 2\n");
/*Process buffer 2 data*/
DASK.AI_ContVScale((ushort)card, ADC_Range, BufPtr2, voltageArray, (int)ReadCount);
for (int j = 0; j < ReadCount; j = j + 2)
{
//fprintf(fin, "AI0:,%13.9f,2's Complement Decoder Valuse:, %d\n", voltageArray[i], (int)(Buffer1[i + 1] * 256) / 256);
sw.WriteLine(voltageArray[j] + "," + (int)(((uint *)(void *)BufPtr2)[j + 1] * 256) / 256);
}
viewidx = 0;
/*Tell the driver you complete the buffer 2 process*/
err = DASK.AI_AsyncDblBufferHandled((ushort)card);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferHandled Fail, error: " + err);
}
}
// This function can check if the overrun occurs. If the
// function is called, AI_AsyncDblBufferHandled() should
// be called to let driver to know user buffer is processed
// completely
err = DASK.AI_AsyncDblBufferOverrun((ushort)card, 0, out overrunFlag);
if (err < 0)
{
throw new InvalidOperationException("AI_AsyncDblBufferOverrun Fail, error: " + err);
}
if (overrunFlag != 0)
{
Console.WriteLine("OVERRUN:\n" + overrunFlag);
DASK.AI_AsyncDblBufferOverrun((ushort)card, 1, out overrunFlag);
}
}
} while ((Stopped == 0) && (Console.KeyAvailable == false));
DASK.GetActualRate_9524((ushort)card, Group, ADC_SampRate, out ActualRate);
Console.WriteLine("\n\nGeneral Purpose Channel 0 Acquisition Done in " + ActualRate + "Hz");
Console.WriteLine("The acquired data stored in acq.dat\n");
/*Clear AI setting while existing*/
err = DASK.AI_AsyncClear((ushort)card, out AccessCnt);
if (err < 0)
{
Console.WriteLine("AI_AsyncClear Error:" + err + "\n");
DASK.AI_ContBufferReset((ushort)card);
DASK.Release_Card((ushort)card);
}
if ((ConfigCtrl & DASK.P9524_AI_BufAutoReset) == 0)
{
err = DASK.AI_ContBufferReset((ushort)card);
if (err < 0)
{
throw new InvalidOperationException("AI_ContBufferReset Fail, error: " + err);
}
}
DASK.GPTC_Clear((ushort)card, GCtr0);
DASK.Release_Card((ushort)card);
Console.Write("Press any key to save data . . .");
sw.Close();
Console.ReadKey(true);
}
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);
}