增加读取数据的模式。
This commit is contained in:
TAO Cheng
@@ -3,14 +3,20 @@
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#include <WinBase.h>
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#include "ART_PCI8622.h"
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#define MAX_AD_CHANNELS 4
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#define SEGMENT_COUNT 32
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#define HALF_SIZE_WORDS 4096
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CART_PCI8622::CART_PCI8622()
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{
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m_hDevice=INVALID_HANDLE_VALUE;
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m_hDmaEvent=NULL;
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m_AD_LSB_MAX=0.0;
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m_AD_LSB_HALF=0.0;
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m_AD_LSB_RANGE=65536;
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m_InputRange=0;
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m_StopedCapture=TRUE;
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m_EnStartCapture=FALSE;
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m_EnGetData=FALSE;
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m_iCaptureMode=0;
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}
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CART_PCI8622::~CART_PCI8622()
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@@ -20,139 +26,293 @@ CART_PCI8622::~CART_PCI8622()
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//========================================
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BOOL CART_PCI8622::Init()
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{
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return TRUE;
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BOOL rStatus(TRUE);
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#ifdef _RELEASE_FULL_VERSION
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int DeviceLgcID(0);
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m_hDevice = PCI8622_CreateDevice(DeviceLgcID); // 创建设备对象
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if(m_hDevice == INVALID_HANDLE_VALUE)
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{
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rStatus=FALSE;
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}
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#endif //_RELEASE_FULL_VERSION
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return rStatus;
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}
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//========================================
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BOOL CART_PCI8622::Exit()
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{
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return TRUE;
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BOOL rStatus(TRUE);
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#ifdef _RELEASE_FULL_VERSION
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if (!m_StopedCapture)
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{
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rStatus=StopCaptureData();
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}
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rStatus=PCI8622_ReleaseDevice(m_hDevice); // 释放设备对象
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m_hDevice=INVALID_HANDLE_VALUE;
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#endif //_RELEASE_FULL_VERSION
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return rStatus;
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}
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//========================================
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BOOL CART_PCI8622::GetData()
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BOOL CART_PCI8622::SetCaptureMode(int _Mode)
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{
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BOOL rStatus(TRUE);
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#ifdef _RELEASE_FULL_VERSION
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int InputRange(0);
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int SelectInputRange(void);
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WORD ADBuffer[SEGMENT_COUNT][HALF_SIZE_WORDS]; // 分配缓冲区(存储原始数据)
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ULONG SegmentID = 0;
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m_iCaptureMode=_Mode;
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memset(&m_ADPara, 0x00, sizeof(m_ADPara)); // 将各项参数复位至确定值0(强烈建议)
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switch(_Mode)
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{
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case E_ART_PCI8622_CAPTURE_DMA_SEQ:
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case E_ART_PCI8622_CAPTURE_NPT_SEQ:
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{
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// 预置硬件参数
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m_ADPara.ADMode = PCI8622_ADMODE_SEQUENCE; // AD模式为连续模式
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m_ADPara.FirstChannel = 1; // 首通道
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m_ADPara.LastChannel = 2; // 末通道
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m_ADPara.Frequency = 10000; // 采样频率(Hz)
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m_ADPara.GroupInterval = 50; // 组间间隔(uS)
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m_ADPara.LoopsOfGroup = 1; // 组内各通道点数
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m_ADPara.Gains = PCI8622_GAINS_1MULT;
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m_ADPara.InputRange = m_InputRange; // 模拟量输入量程范围
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HANDLE hDevice;
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int DeviceLgcID;
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m_ADPara.TriggerMode = PCI8622_TRIGMODE_SOFT; // 触发模式为软件触发
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m_ADPara.TriggerType = PCI8622_TRIGTYPE_EDGE; // 触发类型为边沿触发
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m_ADPara.TriggerDir = PCI8622_TRIGDIR_NEGATIVE; // 触发方向为负向
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m_ADPara.TrigWindow = 40; // 触发灵敏度
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PCI8622_PARA_AD ADPara; // 硬件参数
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PCI8622_STATUS_DMA DMAStatus; // DMA状态参数
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m_ADPara.ClockSource = PCI8622_CLOCKSRC_IN; // 时钟源选用板内时钟源
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m_ADPara.bClockOutput = FALSE; // 禁止时钟输出
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m_ADPara.GroundingMode = PCI8622_GNDMODE_SE; // 单端方式(SE:Single end)
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m_ADPara.TimeoutForNpt = 10; // 在非空方式下，设置超时时间为10秒钟(只在非空查询方式下有效)
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break;
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}
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case E_ART_PCI8622_CAPTURE_NPT_TRIGCLK:
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case E_ART_PCI8622_CAPTURE_DMA_TRIGCLK:
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{
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// 预置硬件参数
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m_ADPara.ADMode = PCI8622_ADMODE_GROUP; // AD模式为连续模式
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m_ADPara.FirstChannel = 1; // 首通道
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m_ADPara.LastChannel = 2; // 末通道
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m_ADPara.Frequency = 10000; // 采样频率(Hz)
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m_ADPara.GroupInterval = 50; // 组间间隔(uS)
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m_ADPara.LoopsOfGroup = 1; // 组内各通道点数
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m_ADPara.Gains = PCI8622_GAINS_1MULT;
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m_ADPara.InputRange = m_InputRange; // 模拟量输入量程范围
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int Index(0);
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m_ADPara.TriggerMode = PCI8622_TRIGMODE_SOFT; // 触发模式为软件触发
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m_ADPara.TriggerType = PCI8622_TRIGTYPE_EDGE; // 触发类型为边沿触发
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m_ADPara.TriggerDir = PCI8622_TRIGDIR_NEGATIVE; // 触发方向为负向
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m_ADPara.TrigWindow = 40; // 触发灵敏度
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m_ADPara.ClockSource = PCI8622_CLOCKSRC_OUT; // 时钟源选用板内时钟源
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m_ADPara.bClockOutput = FALSE; // 禁止时钟输出
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m_ADPara.GroundingMode = PCI8622_GNDMODE_SE; // 单端方式(SE:Single end)
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m_ADPara.TimeoutForNpt = 10; // 在非空方式下，设置超时时间为10秒钟(只在非空查询方式下有效)
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break;
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}
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default:
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{
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break;
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}
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}
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switch(m_InputRange)
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{
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case PCI8622_INPUT_N10000_P10000mV: // -10V - +10V
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{
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m_AD_LSB_MAX=20000.0;
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m_AD_LSB_HALF=10000.0;
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m_AD_LSB_RANGE=65536.0;
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break;
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}
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case PCI8622_INPUT_N5000_P5000mV: // -5V - +5V
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{
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m_AD_LSB_MAX=10000.0;
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m_AD_LSB_HALF=5000.0;
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m_AD_LSB_RANGE=65536.0;
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break;
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}
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case PCI8622_INPUT_N2500_P2500mV: // -2.5V - +2.5V.
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{
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m_AD_LSB_MAX=5000.0;
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m_AD_LSB_HALF=2500.0;
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m_AD_LSB_RANGE=65536.0;
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break;
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}
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break;
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case PCI8622_INPUT_0_P10000mV: // 0V - +10V
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{
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m_AD_LSB_MAX=10000.0;
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m_AD_LSB_HALF=0.0;
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m_AD_LSB_RANGE=65536.0;
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break;
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}
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case PCI8622_INPUT_0_P5000mV: // 0V - +5V
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{
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m_AD_LSB_MAX=5000.0;
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m_AD_LSB_HALF=0.0;
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m_AD_LSB_RANGE=65536.0;
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break;
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}
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default:
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{
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m_AD_LSB_MAX=0.0;
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m_AD_LSB_HALF=0.0;
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m_AD_LSB_RANGE=65536.0;
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break;
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}
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}
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switch(_Mode)
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{
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case E_ART_PCI8622_CAPTURE_DMA:
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case E_ART_PCI8622_CAPTURE_DMA_SEQ:
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case E_ART_PCI8622_CAPTURE_DMA_TRIGCLK:
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{
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m_hDmaEvent = PCI8622_CreateSystemEvent();
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if (!PCI8622_InitDeviceDmaAD(m_hDevice, m_hDmaEvent, &ADBuffer[0][0], 4096, SEGMENT_COUNT, HALF_SIZE_WORDS, &m_ADPara)) // 初始化硬件
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{
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rStatus=FALSE;
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StopCaptureData();
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}
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break;
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}
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case E_ART_PCI8622_CAPTURE_NPT:
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case E_ART_PCI8622_CAPTURE_NPT_SEQ:
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case E_ART_PCI8622_CAPTURE_NPT_TRIGCLK:
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{
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if (!PCI8622_InitDeviceProAD(m_hDevice, &m_ADPara))
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{
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rStatus=FALSE;
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StopCaptureData();
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}
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break;
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}
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}
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if (rStatus)
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{
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m_StopedCapture=FALSE;
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m_EnStartCapture=TRUE;
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}
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#endif //_RELEASE_FULL_VERSION
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return rStatus;
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}
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//========================================
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BOOL CART_PCI8622::StartCaptureData()
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{
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BOOL rStatus(TRUE);
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#ifdef _RELEASE_FULL_VERSION
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rStatus=PCI8622_StartDeviceDmaAD(m_hDevice); // 启动设备
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m_StopedCapture=FALSE;
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m_EnGetData=TRUE;
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#endif //_RELEASE_FULL_VERSION
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return rStatus;
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}
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//========================================
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BOOL CART_PCI8622::StopCaptureData()
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{
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BOOL rStatus(TRUE);
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#ifdef _RELEASE_FULL_VERSION
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rStatus=PCI8622_ReleaseDeviceDmaAD(m_hDevice); // 释放AD
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rStatus=PCI8622_ReleaseSystemEvent(m_hDmaEvent);
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m_EnStartCapture=FALSE;
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m_StopedCapture=TRUE;
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m_EnGetData=FALSE;
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#endif //_RELEASE_FULL_VERSION
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return rStatus;
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}
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//========================================
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BOOL CART_PCI8622::GetData(double (*_Data)[HALF_SIZE_WORDS],int* _DataNumber)
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{
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BOOL rStatus(TRUE);
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#ifdef _RELEASE_FULL_VERSION
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if(!m_EnGetData)
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{
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return FALSE;
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}
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int nADChannel = 0;
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WORD ADData(0);
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float fVolt(0);
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DeviceLgcID = 0;
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hDevice = PCI8622_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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rStatus=FALSE;
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return rStatus; // 如果创建设备对象失败，则返回
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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.ADMode = PCI8622_ADMODE_SEQUENCE; // AD模式为连续模式
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ADPara.FirstChannel = 1; // 首通道
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ADPara.LastChannel = 2; // 末通道
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ADPara.Frequency = 10000; // 采样频率(Hz)
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ADPara.GroupInterval = 50; // 组间间隔(uS)
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ADPara.LoopsOfGroup = 1; // 组内各通道点数
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ADPara.Gains = PCI8622_GAINS_1MULT;
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ADPara.InputRange = InputRange; // 模拟量输入量程范围
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ADPara.TriggerMode = PCI8622_TRIGMODE_SOFT; // 触发模式为软件触发
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ADPara.TriggerType = PCI8622_TRIGTYPE_EDGE; // 触发类型为边沿触发
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ADPara.TriggerDir = PCI8622_TRIGDIR_NEGATIVE; // 触发方向为负向
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ADPara.TrigWindow = 40; // 触发灵敏度
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ADPara.ClockSource = PCI8622_CLOCKSRC_IN; // 时钟源选用板内时钟源
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ADPara.bClockOutput = FALSE; // 禁止时钟输出
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ADPara.GroundingMode = PCI8622_GNDMODE_SE; // 单端方式(SE:Single end)
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ADPara.TimeoutForNpt = 10; // 在非空方式下，设置超时时间为10秒钟(只在非空查询方式下有效)
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HANDLE hDmaEvent = PCI8622_CreateSystemEvent();
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if(!PCI8622_InitDeviceDmaAD( hDevice, hDmaEvent, &ADBuffer[0][0], 4096, SEGMENT_COUNT, HALF_SIZE_WORDS, &ADPara)) // 初始化硬件
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{
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rStatus=FALSE;
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goto ExitRead0;
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}
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PCI8622_StartDeviceDmaAD(hDevice); // 启动设备
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bool bWait(true);
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while(bWait) // 查询当前物理缓冲区数据是否已准备就绪
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{
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if(WaitForSingleObject (hDmaEvent, 100)==WAIT_OBJECT_0)
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bWait=false; // 等待DMA事件
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}
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if(!PCI8622_GetDevStatusDmaAD(hDevice, &DMAStatus))
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{
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rStatus=FALSE;
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goto ExitRead0;
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}
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if(DMAStatus.bBufferOverflow)
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{
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rStatus=FALSE;
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}
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for(SegmentID=0; SegmentID<SEGMENT_COUNT; SegmentID++)
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{
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if(DMAStatus.bSegmentSts[SegmentID])
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{
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nADChannel = ADPara.FirstChannel;
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for(Index=0; Index<64; Index++)
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double dVolt(0);
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int Index(0);
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switch(m_iCaptureMode)
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{
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case E_ART_PCI8622_CAPTURE_DMA:
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case E_ART_PCI8622_CAPTURE_DMA_SEQ:
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case E_ART_PCI8622_CAPTURE_DMA_TRIGCLK:
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{
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ADData = ((ADBuffer[SegmentID][Index]));
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// 将原码转换为电压值
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switch(InputRange)
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bool bWait(true);
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while(bWait) // 查询当前物理缓冲区数据是否已准备就绪
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{
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case PCI8622_INPUT_N10000_P10000mV: // -10V - +10V
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fVolt = (float)((20000.0/65536) * ADData - 10000.0);
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break;
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case PCI8622_INPUT_N5000_P5000mV: // -5V - +5V
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fVolt = (float)((10000.0/65536) * ADData - 5000.0);
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break;
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case PCI8622_INPUT_N2500_P2500mV: // -2.5V - +2.5V
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fVolt = (float)((5000.0/65536) * ADData - 2500.0);
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break;
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case PCI8622_INPUT_0_P10000mV: // 0V - +10V
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fVolt = (float)((10000.0/65536) * ADData);
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break;
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case PCI8622_INPUT_0_P5000mV: // 0V - +5V
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fVolt = (float)((5000.0/65536) * ADData);
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break;
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default:
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break;
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if(WaitForSingleObject (m_hDmaEvent, 100)==WAIT_OBJECT_0)
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bWait=false; // 等待DMA事件
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}
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nADChannel++;
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if(nADChannel > ADPara.LastChannel)
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PCI8622_STATUS_DMA DMAStatus; // DMA状态参数
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if(!PCI8622_GetDevStatusDmaAD(m_hDevice, &DMAStatus))
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{
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nADChannel = ADPara.FirstChannel;
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}
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rStatus=FALSE;
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StopCaptureData();
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}
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if(DMAStatus.bBufferOverflow)
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{
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rStatus=FALSE;
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}
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for(m_SegmentID=0; m_SegmentID<SEGMENT_COUNT; m_SegmentID++)
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{
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if(DMAStatus.bSegmentSts[m_SegmentID])
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{
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nADChannel = m_ADPara.FirstChannel;
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for(Index=0; Index<64; Index++)
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{
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ADData = ((ADBuffer[m_SegmentID][Index]));
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// 将原码转换为电压值
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dVolt = static_cast<double>(((m_AD_LSB_MAX/m_AD_LSB_RANGE) * ADData - m_AD_LSB_HALF));
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_Data[nADChannel][_DataNumber[nADChannel]]=dVolt;
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_DataNumber[nADChannel]+=1;
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nADChannel++;
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if(nADChannel > m_ADPara.LastChannel)
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{
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nADChannel = m_ADPara.FirstChannel;
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}
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}
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}
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if(!PCI8622_SetDevStatusDmaAD(m_hDevice, m_SegmentID))
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{
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rStatus=FALSE;
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StopCaptureData();
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}
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}
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break;
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}
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}
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case E_ART_PCI8622_CAPTURE_NPT:
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case E_ART_PCI8622_CAPTURE_NPT_SEQ:
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case E_ART_PCI8622_CAPTURE_NPT_TRIGCLK:
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{
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m_SegmentID=0;
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LONG nReadSizeWords = 4096;
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LONG nRetSizeWords(0);
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PCI8622_ReadDeviceProAD_Npt(m_hDevice, ADBuffer[0], nReadSizeWords, &nRetSizeWords);
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nADChannel = m_ADPara.FirstChannel;
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TRACE1("[PCI8622_ReadDeviceProAD_Npt] Retsize:%d.\r\n",nRetSizeWords);
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for(Index=0; Index<nRetSizeWords; Index++)
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{
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ADData = ((ADBuffer[m_SegmentID][Index]));
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// 将原码转换为电压值
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dVolt = static_cast<double>(((m_AD_LSB_MAX/m_AD_LSB_RANGE) * ADData - m_AD_LSB_HALF));
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_Data[nADChannel][_DataNumber[nADChannel]]=dVolt;
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_DataNumber[nADChannel]+=1;
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nADChannel++;
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if(nADChannel > m_ADPara.LastChannel)
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{
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nADChannel = m_ADPara.FirstChannel;
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}
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}
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break;
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}
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}
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if(!PCI8622_SetDevStatusDmaAD(hDevice, SegmentID))
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{
|
||||
rStatus=FALSE;
|
||||
goto ExitRead0;
|
||||
}
|
||||
} // end of for(SegmentID=0; SegmentID<SEGMENT_COUNT; SegmentID++)
|
||||
|
||||
ExitRead0:
|
||||
PCI8622_ReleaseDeviceDmaAD(hDevice); // 释放AD
|
||||
PCI8622_ReleaseSystemEvent(hDmaEvent);
|
||||
PCI8622_ReleaseDevice(hDevice); // 释放设备对象
|
||||
m_StopedCapture=FALSE;
|
||||
#endif //_RELEASE_FULL_VERSION
|
||||
|
||||
return rStatus;
|
||||
|
||||
@@ -7,18 +7,49 @@
|
||||
#endif // _MSC_VER > 1000
|
||||
|
||||
#include "PCI8622.h"
|
||||
|
||||
#define MAX_AD_CHANNELS 4
|
||||
#define SEGMENT_COUNT 32
|
||||
#define HALF_SIZE_WORDS 4096
|
||||
enum E_ART_PCI8622_CAPTURE_MODE
|
||||
{
|
||||
E_ART_PCI8622_CAPTURE_DMA=0,
|
||||
E_ART_PCI8622_CAPTURE_DMA_SEQ,
|
||||
E_ART_PCI8622_CAPTURE_DMA_TRIGCLK,
|
||||
E_ART_PCI8622_CAPTURE_NPT=10,
|
||||
E_ART_PCI8622_CAPTURE_NPT_SEQ,
|
||||
E_ART_PCI8622_CAPTURE_NPT_TRIGCLK,
|
||||
E_ART_PCI8622_CAPTURE_HALF=20,
|
||||
|
||||
E_ART_PCI8622_CAPTURE_TOTAL=255
|
||||
};
|
||||
//======================================================================================
|
||||
class CART_PCI8622
|
||||
{
|
||||
protected:
|
||||
|
||||
HANDLE m_hDevice;
|
||||
HANDLE m_hDmaEvent;
|
||||
int m_InputRange;
|
||||
WORD ADBuffer[SEGMENT_COUNT][HALF_SIZE_WORDS];
|
||||
ULONG m_SegmentID;
|
||||
PCI8622_PARA_AD m_ADPara; // Ó²¼þ²ÎÊý
|
||||
double m_AD_LSB_MAX;
|
||||
double m_AD_LSB_HALF;
|
||||
double m_AD_LSB_RANGE;
|
||||
BOOL m_StopedCapture;
|
||||
BOOL m_EnStartCapture;
|
||||
BOOL m_EnGetData;
|
||||
int m_iCaptureMode;
|
||||
public:
|
||||
CART_PCI8622();
|
||||
~CART_PCI8622();
|
||||
|
||||
BOOL Init();
|
||||
BOOL Exit();
|
||||
BOOL GetData();
|
||||
BOOL SetCaptureMode(int _Mode=0);
|
||||
BOOL StartCaptureData();
|
||||
BOOL StopCaptureData();
|
||||
BOOL GetData(double (*_Data)[HALF_SIZE_WORDS],int* _DataNumber);
|
||||
|
||||
};
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user