// 说明： 本程序演示了如何用程序查询方式读取AD数据

#include "stdafx.h"
#include "windows.h"
#include "stdio.h"
#include "conio.h"

#include "ACTS1000.h"

#define AD_DATA_LEN 512*1024 // 要读取和处理的AD数据长度（点或字）
USHORT ADBuffer[AD_DATA_LEN]; // 分配缓冲区(存储原始数据)
ULONGLONG nReadCnt = 0;
LONG ADCallBackFunc(HANDLE hDevice, ULONG nSamplesPerChan, ULONG nChannelCount, void *callbackData)
{

	ULONG nRetSizeWords;
	ULONG nAvailSampsPoints;
	if (nSamplesPerChan>(AD_DATA_LEN/nChannelCount))
	{
		nSamplesPerChan = AD_DATA_LEN/nChannelCount;
	}

	if (hDevice == INVALID_HANDLE_VALUE)
	{
		return 1;
	}
	if(!ACTS1000_ReadDeviceAD(hDevice, ADBuffer, nSamplesPerChan*nChannelCount, &nRetSizeWords, &nAvailSampsPoints,0.1))
	{
		printf("ACTS1000_ReadDeviceAD error...\n");
		_getch();
		return 2;
	}
	if (nRetSizeWords!=(nSamplesPerChan*nChannelCount))
	{
		printf("nRetSizeWords error...\n");
		_getch();
		return 3;
	}
	nReadCnt+=nSamplesPerChan;
	printf("ADBuff[0]=0x%X\n", ADBuffer[0]);
	return 0;

}
int main(int argc, char* argv[])
{
	HANDLE hDevice;
	int DeviceLgcID;
	ULONG ulDDR2Length = 0;

	ACTS1000_PARA_AD ADPara; // 硬件参数
	ULONGLONG nReadSizeWords;
	ULONG InputRange = ACTS1000_INPUT_N1000_P1000mV;

	int nADChannel = 0;
	ACTS1000_AD_MAIN_INFO ADMainInfo;
	WORD wMaxLSB = 0x3FFF;
	float fLsbCount = 16384.0;

	ULONG nSamplesPerChan = 131072;

	DeviceLgcID = 0;
	printf("请输入逻辑ID:");
	scanf_s("%d", &DeviceLgcID);
	hDevice = ACTS1000_CreateDevice(DeviceLgcID); // 创建设备对象
	if(hDevice == INVALID_HANDLE_VALUE)
	{
		printf("CreateDevice error...\n");
		_getch();
		return 0; // 如果创建设备对象失败，则返回
	}

	ACTS1000_GetMainInfo(hDevice,&ADMainInfo);			// DDR2的长度(单位：MB)

	switch (ADMainInfo.nDeviceType>>16)
	{
	case 0x2012:
		printf("PXIE%04X\n",ADMainInfo.nDeviceType&0xFFFF);
		break;
	case 0x2111:
		printf("PCIE%04X\n",ADMainInfo.nDeviceType&0xFFFF);
		break;
	default:
		printf("ACTS1000-%04X\n",ADMainInfo.nDeviceType);
	}

	wMaxLSB = (WORD)(ADMainInfo.nSampCodeCount - 1);
	fLsbCount = (float)ADMainInfo.nSampCodeCount;

	ULONG nRevisionID = 0;
	if(!ACTS1000_GetBusInfo(hDevice, NULL, NULL, NULL, &nRevisionID))
	{
		printf("ACTS1000_GetBusInfo error...\n");
	}

	memset(&ADPara, 0x00, sizeof(ADPara)); // 将各项参数复位至确定值0(强烈建议)

	// 预置硬件参数
	ADPara.SampleMode			= ACTS1000_SAMPMODE_FINITE; // 有限点采样
	ADPara.FreqDivision			= 1;		
	for (int nCH=0; nCH<ADMainInfo.nChannelCount; nCH++)
	{
		ADPara.bChannelArray[nCH]		= TRUE; // 允许通道0采样
		ADPara.InputRange[nCH]		= ACTS1000_INPUT_N1000_P1000mV;		// 量程只支持±1000mV
		ADPara.CouplingType[nCH]		= ACTS1000_COUPLING_DC;	// 直流耦合
	}	
	ADPara.M_Length				= 0;					// M长度
	ADPara.N_Length				= 536870912;			// N长度
	ADPara.PFISel				= ACTS1000_PFISEL_TRIG_IN;
	ADPara.TriggerMode			= ACTS1000_TRIGMODE_POST; // 硬件中间触发(包括预触发、后触发功能)
	ADPara.TriggerSource		= ACTS1000_TRIGMODE_SOFT;	// 软件触发
	ADPara.TriggerDir			= ACTS1000_TRIGDIR_NEGATIVE; // 下降沿触发
	ADPara.TrigLevelVolt		= 0;
	ADPara.ReferenceClock			= ACTS1000_RECLK_ONBOARD;	// 使用内部时钟
	ADPara.TimeBaseClock			= ACTS1000_TBCLK_IN;	
	ADPara.bMasterEn			= 0;
	ADPara.TrigCount			= 1; // 为0时表示无限触发
	ADPara.SyncTrigSignal		= ACTS1000_STS_TRIGGER0;
	ADPara.bClkOutEn			= 0;
	ADPara.ClkOutSel			= ACTS1000_CLKOUT_REFERENCE;
	ADPara.bTrigOutEn			= 0;
	ADPara.TrigOutPolarity		= ACTS1000_TOP_POSITIVE;
	ADPara.TrigOutWidth			= 50;
	ADPara.bSaveFile			= 0;
	_stprintf_s(ADPara.chFileName, 256, _T("%s"), L"I:\\3.pci");

	if(!ACTS1000_InitDeviceAD(hDevice, &ADPara)) // 初始化硬件
	{
		printf("InitDeviceAD error...\n");
		_getch();
		return 0; // 如果创建设备对象失败，则返回
	}

	int ChannelCount = 0;	
	for(nADChannel=0; nADChannel<ADMainInfo.nChannelCount; nADChannel++)
	{
		if(ADPara.bChannelArray[nADChannel] == TRUE)
		{
			ChannelCount++;
		}
	}

	if (ADPara.TriggerMode == ACTS1000_TRIGMODE_MIDL)
	{
		nReadSizeWords = (ADPara.M_Length + ADPara.N_Length)*ChannelCount; 
	}
	else
	{
		nReadSizeWords = ADPara.N_Length;
		nReadSizeWords = nReadSizeWords*ChannelCount; 
	}
	if (ADPara.TriggerMode == ACTS1000_TRIGMODE_POST || ADPara.TriggerMode == ACTS1000_TRIGMODE_DELAY)
	{
		if (ADPara.TrigCount==0)
		{
			nReadSizeWords = 0xFFFFFFFFFFFFFFFF;
		}
		else
		{
			nReadSizeWords = nReadSizeWords*ADPara.TrigCount;
		}
	}


	nReadCnt = 0;
	if (!ACTS1000_RegisterEveryNSamplesEvent(hDevice, nSamplesPerChan, 0, &ADCallBackFunc, NULL))
	{
		ACTS1000_ReleaseDevice(hDevice); // 释放设备对象
		printf("ACTS1000_GetDMAMemorySize error...\n");
		_getch();
		return 0; // 如果创建设备对象失败，则返回
	}

	if(!ACTS1000_StartDeviceAD(hDevice)) // 启动设备
	{
		printf("StartDeviceAD Error...\n");
		_getch();
	}
	if(!ACTS1000_SetDeviceTrigAD(hDevice)) // 触发AD
	{
		printf("SetDeviceTrigAD Error...\n");
		_getch();
	}
	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");

	while ( !_kbhit() )                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
	{			
		Sleep(1);
		if (nReadCnt*ChannelCount>=nReadSizeWords)
		{
			printf("有限点采样(%I64d字节)完成按任意键退出\n", nReadCnt*ChannelCount*2);
			break;
		}
	}


	ACTS1000_StopDeviceAD(hDevice); // 停止AD
	ACTS1000_ReleaseDeviceAD(hDevice); // 释放AD
	ACTS1000_ReleaseDevice(hDevice); // 释放设备对象
	_getch();
	return 0;
}