290 lines
7.0 KiB
C++
290 lines
7.0 KiB
C++
// 说明： 本程序演示了如何用程序查询方式读取AD数据
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#include "stdafx.h"
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#include "windows.h"
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#include "stdio.h"
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#include "conio.h"
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#include "ACTS1000.h"
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#define AD_DATA_LEN 256*1024 // 要读取和处理的AD数据长度（点或字）
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USHORT ADBuffer[AD_DATA_LEN]; // 分配缓冲区(存储原始数据)
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int main(int argc, char* argv[])
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{
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HANDLE hDevice;
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int DeviceLgcID;
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ULONG ulDDR2Length = 0;
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ACTS1000_PARA_AD ADPara; // 硬件参数
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ACTS1000_STATUS_AD ADStatus;
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ULONG nRetSizeWords;
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ULONG nAvailSampsPoints;
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ULONGLONG nReadSizeRemain;
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ULONGLONG nReadSizeWords;
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ULONG nRead;
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ULONG InputRange = ACTS1000_INPUT_N1000_P1000mV;
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int nADChannel = 0;
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WORD ADData;
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float fVolt;
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ACTS1000_AD_MAIN_INFO ADMainInfo;
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WORD wMaxLSB = 0x3FFF;
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float fLsbCount = 16384.0;
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DeviceLgcID = 0;
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printf("请输入逻辑ID:");
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scanf_s("%d", &DeviceLgcID);
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hDevice = ACTS1000_CreateDevice(DeviceLgcID); // 创建设备对象
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if(hDevice == INVALID_HANDLE_VALUE)
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{
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printf("CreateDevice error...\n");
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_getch();
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return 0; // 如果创建设备对象失败，则返回
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}
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ACTS1000_GetMainInfo(hDevice,&ADMainInfo); // DDR2的长度(单位：MB)
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switch (ADMainInfo.nDeviceType>>16)
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{
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case 0x2012:
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printf("PXIE%04X\n",ADMainInfo.nDeviceType&0xFFFF);
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break;
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case 0x2111:
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printf("PCIE%04X\n",ADMainInfo.nDeviceType&0xFFFF);
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break;
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default:
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printf("ACTS1000-%04X\n",ADMainInfo.nDeviceType);
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}
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wMaxLSB = (WORD)(ADMainInfo.nSampCodeCount - 1);
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fLsbCount = (float)ADMainInfo.nSampCodeCount;
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ULONG nRevisionID = 0;
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if(!ACTS1000_GetBusInfo(hDevice, NULL, NULL, NULL, &nRevisionID))
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{
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printf("ACTS1000_GetBusInfo error...\n");
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}
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memset(&ADPara, 0x00, sizeof(ADPara)); // 将各项参数复位至确定值0(强烈建议)
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// 预置硬件参数
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ADPara.SampleMode = ACTS1000_SAMPMODE_FINITE; // 有限点采样
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ADPara.FreqDivision = 1;
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for (int nCH=0; nCH<ADMainInfo.nChannelCount; nCH++)
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{
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ADPara.bChannelArray[nCH] = TRUE; // 允许通道0采样
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ADPara.InputRange[nCH] = ACTS1000_INPUT_N1000_P1000mV; // 量程只支持±1000mV
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ADPara.CouplingType[nCH] = ACTS1000_COUPLING_DC; // 直流耦合
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}
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ADPara.M_Length = 0; // M长度
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ADPara.N_Length = 536870912; // N长度
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ADPara.PFISel = ACTS1000_PFISEL_TRIG_IN;
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ADPara.TriggerMode = ACTS1000_TRIGMODE_POST; // 硬件中间触发(包括预触发、后触发功能)
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ADPara.TriggerSource = ACTS1000_TRIGMODE_SOFT; // 软件触发
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ADPara.TriggerDir = ACTS1000_TRIGDIR_NEGATIVE; // 下降沿触发
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ADPara.TrigLevelVolt = 0;
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ADPara.ReferenceClock = ACTS1000_RECLK_ONBOARD; // 使用内部时钟
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ADPara.TimeBaseClock = ACTS1000_TBCLK_IN;
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ADPara.bMasterEn = 0;
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ADPara.TrigCount = 1; // 为0时表示无限触发
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ADPara.SyncTrigSignal = ACTS1000_STS_TRIGGER0;
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ADPara.bClkOutEn = 0;
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ADPara.ClkOutSel = ACTS1000_CLKOUT_REFERENCE;
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ADPara.bTrigOutEn = 0;
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ADPara.TrigOutPolarity = ACTS1000_TOP_POSITIVE;
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ADPara.TrigOutWidth = 50;
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ADPara.bSaveFile = 0;
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_stprintf_s(ADPara.chFileName, 256, _T("%s"), L"I:\\3.pci");
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if(!ACTS1000_InitDeviceAD(hDevice, &ADPara)) // 初始化硬件
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{
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printf("InitDeviceAD error...\n");
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_getch();
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return 0; // 如果创建设备对象失败，则返回
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}
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int ChannelCount = 0;
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for(nADChannel=0; nADChannel<ADMainInfo.nChannelCount; nADChannel++)
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{
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if(ADPara.bChannelArray[nADChannel] == TRUE)
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{
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ChannelCount++;
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}
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}
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if (ADPara.TriggerMode == ACTS1000_TRIGMODE_MIDL)
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{
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nReadSizeWords = (ADPara.M_Length + ADPara.N_Length)*ChannelCount;
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}
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else
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{
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nReadSizeWords = ADPara.N_Length;
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nReadSizeWords = nReadSizeWords*ChannelCount;
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}
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if (ADPara.TriggerMode == ACTS1000_TRIGMODE_POST || ADPara.TriggerMode == ACTS1000_TRIGMODE_DELAY)
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{
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if (ADPara.TrigCount==0)
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{
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nReadSizeWords = 0xFFFFFFFFFFFFFFFF;
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}
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else
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{
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nReadSizeWords = nReadSizeWords*ADPara.TrigCount;
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}
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}
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LONG ulTime = GetTickCount();
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double dResult;
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__int64 i64Cnt=0;
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LONG ulTmp=0;
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LONG ulSecCnt=-1;
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if(!ACTS1000_StartDeviceAD(hDevice)) // 启动设备
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{
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printf("StartDeviceAD Error...\n");
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_getch();
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}
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if(!ACTS1000_SetDeviceTrigAD(hDevice)) // 触发AD
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{
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printf("SetDeviceTrigAD Error...\n");
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_getch();
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}
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ulTime = GetTickCount();
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printf("请等待，您可以按任意键退出，但请不要直接关闭窗口强制退出...\n");
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if (ADPara.bSaveFile) // 自动存盘
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{
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while(TRUE)
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{
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if(!ACTS1000_GetDevStatusAD(hDevice, &ADStatus))
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{
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printf("GetDevStatusAD Error\n");
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goto ExitRead;
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}
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if(ADStatus.bComplete) // 自动存盘单次有限点任务是否完成
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{
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printf("有限采样完成按任意键退出\n");
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goto ExitRead;
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}
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else
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{
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if(_kbhit())
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goto ExitRead; // 如果用户按键，则退出
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Sleep(1);
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ulTmp = GetTickCount()-ulTime;
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if (ulTmp/1000>ulSecCnt)
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{
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ulSecCnt = ulTmp/1000;
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dResult = ADStatus.lSavePoints*1.00/((ulTmp+1)/1000.0);
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dResult=dResult/1000000.0;
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printf("%dS ",ulSecCnt);
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printf("%.3fM点/秒\n",dResult);
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}
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}
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}
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}
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else
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{
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nReadSizeRemain = nReadSizeWords;
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while (nReadSizeRemain>0)
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{
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if (nReadSizeRemain>=AD_DATA_LEN)
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{
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nRead = AD_DATA_LEN;
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}
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else
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{
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nRead = nReadSizeRemain;
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}
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NextRead:
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if(_kbhit()) goto ExitRead;
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if(!ACTS1000_ReadDeviceAD(hDevice, ADBuffer, nRead, &nRetSizeWords, &nAvailSampsPoints,1.0))
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{
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printf("ReadDeviceAD error...\n");
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_getch();
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goto ExitRead;
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}
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if (nRetSizeWords<=0)
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{
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goto NextRead;
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}
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nReadSizeRemain = nReadSizeRemain-nRetSizeWords;
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#if 1
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ulTmp = GetTickCount()-ulTime;
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if (ulTmp/1000>ulSecCnt)
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{
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ulSecCnt = ulTmp/1000;
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dResult = (nReadSizeWords-nReadSizeRemain)*1.00/((ulTmp+1)/1000.0);
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dResult=dResult/1000000.0;
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printf("%dS ",ulSecCnt);
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printf("%.3fM点/秒\n",dResult);
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ULONG nTChannel = 0;
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for(int Index=0; Index<8; Index++)
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{
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for(nADChannel=nTChannel; nADChannel<ChannelCount; nADChannel++)
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{
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if(ADPara.bChannelArray[nADChannel] == TRUE) // 如果此通道被采样
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{
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nTChannel = nADChannel + 1;
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ADData = ADBuffer[Index]&wMaxLSB;
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// 将原码转换为电压值
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switch(InputRange)
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{
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case ACTS1000_INPUT_N1000_P1000mV: // -1000mV - +1000mV
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fVolt = (float)((2000.0/fLsbCount) * ADData - 1000.0);
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break;
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case ACTS1000_INPUT_N5000_P5000mV: // -5000mV - +5000mV
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if (nRevisionID == 0xD0)
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{
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fVolt = (float)((20000.0/fLsbCount) * ADData - 10000.0); // -1000mV - +1000mV
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}
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else
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{
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fVolt = (float)((10000.0/fLsbCount) * ADData - 5000.0);
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}
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break;
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case ACTS1000_INPUT_N10000_P10000mV: // -10000mV - +10000mV
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fVolt = (float)((20000.0/fLsbCount) * ADData - 10000.0);
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break;
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default:
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break;
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}
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printf("CH%02d=%6.2f\t", nADChannel, fVolt); // 显示电压值
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if ((Index+1) % ChannelCount == 0)
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{
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nTChannel = 0;
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printf("\n");
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}
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break;
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}
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}
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} // for(Index=0; Index<64; Index++)
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}
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#endif
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}
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if (nReadSizeRemain==0)
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{
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printf("有限点采样(%I64d字节)完成按任意键退出\n", nReadSizeWords*2);
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}
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}
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ExitRead:
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ACTS1000_StopDeviceAD(hDevice); // 停止AD
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ACTS1000_ReleaseDeviceAD(hDevice); // 释放AD
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ACTS1000_ReleaseDevice(hDevice); // 释放设备对象
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_getch();
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return 0;
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}
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