public bool InitDevice(string strIP, string strDevPort, string strLocalPort, MsgUpdateDelegate std)
{
Int32 nIndex = 0;
Int32 ipaddr = inet_addr(strIP);
cfgPara.AAIParam.nDeviceIP = (UInt32)(System.Net.IPAddress.NetworkToHostOrder(ipaddr));
cfgPara.AAIParam.nDevicePort = Convert.ToUInt16(strDevPort);
cfgPara.AAIParam.nLocalPort = Convert.ToUInt16(strLocalPort);
cfgPara.AAIParam.CHParam[16].bChannelEn = 0;
for (nIndex = 0; nIndex < 16; nIndex++)
{
cfgPara.AAIParam.CHParam[nIndex].bChannelEn = 1;
cfgPara.AAIParam.CHParam[nIndex].nSampleRange = NET2991A.NET2991A_AI_SAMPRANGE_N5_P5V;
cfgPara.AAIParam.CHParam[nIndex].nRefGround = NET2991A.NET2991A_AI_REFGND_RSE;
}
cfgPara.AAIParam.fSampleRate = UserDef.Frequency; //;
cfgPara.AAIParam.nSampleMode = NET2991A.NET2991A_AI_SAMPMODE_CONTINUOUS;
cfgPara.AAIParam.nSampsPerChan = 102400;
cfgPara.AAIParam.nClockSource = NET2991A.NET2991A_AI_CLOCKSRC_LOCAL;
cfgPara.AAIParam.nReserved0 = 0;
cfgPara.AAIParam.nTriggerSource = NET2991A.NET2991A_AI_TRIGSRC_NONE;
cfgPara.AAIParam.nTriggerDir = NET2991A.NET2991A_AI_TRIGDIR_FALLING;
cfgPara.AAIParam.fTriggerLevel = 10;
cfgPara.AAIParam.nDelaySamps = 0;
cfgPara.AAIParam.nReTriggerCount = 1;
cfgPara.AAIParam.bMasterEn = 0;
cfgPara.AAIParam.nReserved1 = 0;
cfgPara.AAIParam.nReserved2 = 0;
cfgPara.nReadOffset = 0;
cfgPara.nReadLength = 16 * UserDef.Frequency;
cfgPara.hDevice = (IntPtr)(-1);
UInt16 nDataTranDir = NET2991A.NET2991A_AI_TRANDIR_CLIENT;
NET2991A.NET2991_DEV_SetSendSpeed(3);
if (cfgPara.hDevice != (IntPtr)(-1))
{
NET2991A.NET2991_AI_StopTask(cfgPara.hDevice);
NET2991A.NET2991_DEV_Release(cfgPara.hDevice);
}
// 创建设备
cfgPara.hDevice = NET2991A.NET2991_DEV_Create(cfgPara.AAIParam.nDeviceIP,
cfgPara.AAIParam.nDevicePort,
cfgPara.AAIParam.nLocalPort,
nDataTranDir, 0.2, 0.2, 2);
bool isSuccess = true;
mstd = std;
if (cfgPara.hDevice == (IntPtr)(-1))
{
mstd("2991A创建设备失败!");
isSuccess = false;
}
// 判断是否连接
else if (NET2991A.NET2991_DEV_IsLink(cfgPara.hDevice) == 0)
{
mstd("2991A设备没有连接!");
isSuccess = false;
}
// 初始化设备
else if (NET2991A.NET2991_AI_InitTask(cfgPara.hDevice, ref cfgPara.AAIParam, (IntPtr)(-1)) == 0)
{
mstd("2991A初始化设备失败!");
isSuccess = false;
} // 不保存文件
else if (NET2991A.NET2991_AI_IsSaveFile(cfgPara.hDevice, 0) == 0)
{
mstd("2911A设置文件保存失败!");
isSuccess = false;
}
// 清除缓存
else if (NET2991A.NET2991_AI_ClearBuffer(cfgPara.hDevice) == 0)
{
mstd("2991A清除缓存失败!");
}
if (!isSuccess && cfgPara.hDevice != (IntPtr)(-1))
{
NET2991A.NET2991_AI_StopTask(cfgPara.hDevice);
NET2991A.NET2991_DEV_Release(cfgPara.hDevice);
cfgPara.hDevice = (IntPtr)(-1);
return(false);
}
return(true);
}
