192 lines
6.0 KiB
C++
192 lines
6.0 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 512*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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LONG ADCallBackFunc(HANDLE hDevice, ULONG nSamplesPerChan, ULONG nChannelCount, void *callbackData)
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{
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ULONG nRetSizeWords;
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ULONG nAvailSampsPoints;
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if (nSamplesPerChan>(AD_DATA_LEN/nChannelCount))
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{
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nSamplesPerChan = AD_DATA_LEN/nChannelCount;
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}
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if (hDevice == INVALID_HANDLE_VALUE)
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{
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return 1;
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}
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if(!ACTS1000_ReadDeviceAD(hDevice, ADBuffer, nSamplesPerChan*nChannelCount, &nRetSizeWords, &nAvailSampsPoints,0.1))
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{
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printf("ACTS1000_ReadDeviceAD error...\n");
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_getch();
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return 2;
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}
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if (nRetSizeWords!=(nSamplesPerChan*nChannelCount))
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{
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printf("nRetSizeWords error...\n");
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_getch();
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return 3;
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}
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printf("ADBuff[0]=0x%X\n", ADBuffer[0]);
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return 0;
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}
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int main(int argc, char* argv[])
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{
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int DeviceLgcID;
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ULONG ulDDR2Length = 0;
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ULONGLONG ulDDR2LengthByte = 0;
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ACTS1000_PARA_AD ADPara; // 硬件参数
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int nCurrentChannel = 0,nADChannel = 0;
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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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ULONG nSamplesPerChan = 0;
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HANDLE hDevice;
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int InputRange;
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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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ulDDR2LengthByte = ADMainInfo.nDepthOfMemory;
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wMaxLSB = (WORD)(ADMainInfo.nSampCodeCount - 1);
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fLsbCount = (float)ADMainInfo.nSampCodeCount;
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InputRange = ACTS1000_INPUT_N1000_P1000mV; // 要求用户从键盘上选择输入量程
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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_CONTINUOUS; // 有限点采样
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ADPara.FreqDivision = 1000;
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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] = InputRange; // 模拟量输入量程范围
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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 = 1024*32; // N长度
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ADPara.PFISel = ACTS1000_PFISEL_TRIG_IN;
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ADPara.TriggerMode = ACTS1000_TRIGMODE_POST; // 后触发
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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;
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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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ACTS1000_ReleaseDevice(hDevice); // 释放设备对象
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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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ULONG nDMAMemSize = 0;
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if (!ACTS1000_GetDMAMemorySize(hDevice, &nDMAMemSize))
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{
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ACTS1000_ReleaseDevice(hDevice); // 释放设备对象
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printf("ACTS1000_GetDMAMemorySize 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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nDMAMemSize *= 1024;
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nSamplesPerChan = nDMAMemSize/2/4/ChannelCount;// 一个点占两个字节，最大内存的4分之1做为N采样长度
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printf("nNSampleLen = %u\n", nSamplesPerChan);
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if (!ACTS1000_RegisterEveryNSamplesEvent(hDevice, nSamplesPerChan, 0, &ADCallBackFunc, NULL))
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{
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ACTS1000_ReleaseDevice(hDevice); // 释放设备对象
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printf("ACTS1000_GetDMAMemorySize 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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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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while ( !_kbhit() )
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{
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Sleep(1);
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}
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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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return 0;
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}
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