private void frmLoggerData_Load(object sender, EventArgs e)
{
// Initiate error handling
// activating error handling will trap errors like
// bad channel numbers and non-configured conditions.
// Parameters:
// MccDaq.ErrorReporting.DontPrint :all warnings and errors encountered will be handled locally
// MccDaq.ErrorHandling.DontStop :if an error is encountered, the program will not stop,
// errors will be handled locally.
MccDaq.ErrorInfo ULStat = MccDaq.MccService.ErrHandling
(MccDaq.ErrorReporting.DontPrint, MccDaq.ErrorHandling.DontStop);
// Get the first file in the directory
// Parameters:
// MccDaq.GetFileOptions.GetFirst :first file
// m_Path :path to search
// filename :receives name of file
string filename = new string(' ', MAX_PATH);
ULStat = MccDaq.DataLogger.GetFileName
((int)MccDaq.GetFileOptions.GetFirst, ref m_Path, ref filename);
filename = filename.Trim();
filename = filename.Trim('\0');
// create an instance of the data logger
logger = new MccDaq.DataLogger(filename);
// Set the preferences
// Parameters
// timeFormat :specifies times are 12 or 24 hour format
// timeZone :specifies local time of GMT
// units :specifies Fahrenheit, Celsius, or Kelvin
MccDaq.TimeFormat timeFormat = MccDaq.TimeFormat.TwelveHour;
MccDaq.TimeZone timeZone = MccDaq.TimeZone.Local;
MccDaq.TempScale units = MccDaq.TempScale.Fahrenheit;
logger.SetPreferences(timeFormat, timeZone, units);
// Get the sample info for the first file in the directory
// Parameters:
// sampleInterval :receives the sample interval (time between samples)
// sampleCount :receives the sample count
// startDate :receives the start date
// startTime :receives the start time
int sampleInterval = 0;
int startDate = 0;
int startTime = 0;
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
ULStat = logger.GetSampleInfo(ref sampleInterval, ref SampleCount, ref startDate, ref startTime);
}
// Get the ANALOG channel count for the first file in the directory
// Parameters:
// aiChannelCount :receives the number of AI chennels logged
int aiChannelCount = 0;
if (ULStat.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
ULStat = logger.GetAIChannelCount(ref aiChannelCount);
}
}
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Initiate error handling
// activating error handling will trap errors like
// bad channel numbers and non-configured conditions.
// Parameters:
// MccDaq.ErrorReporting.PrintAll :all warnings and errors encountered will be printed
// MccDaq.ErrorHandling.StopAll :if an error is encountered, the program will stop
MccDaq.ErrorInfo errorInfo = MccDaq.MccService.ErrHandling(MccDaq.ErrorReporting.PrintAll, MccDaq.ErrorHandling.StopAll);
// Get the first file in the directory
// Parameters:
// MccDaq.GetFileOptions.GetFirst :first file
// m_Path :path to search
// filename :receives name of file
string filename = new string('\0', MAX_PATH);
errorInfo = MccDaq.DataLogger.GetFileName((int)MccDaq.GetFileOptions.GetFirst, ref m_Path, ref filename);
// create an instance of the data logger
MccDaq.DataLogger logger = new MccDaq.DataLogger(filename);
// Set the preferences
// Parameters
// timeFormat :specifies times are 12 or 24 hour format
// timeZone :specifies local time of GMT
// units :specifies Fahrenheit, Celsius, or Kelvin
MccDaq.TimeFormat timeFormat = MccDaq.TimeFormat.TwelveHour;
MccDaq.TimeZone timeZone = MccDaq.TimeZone.Local;
MccDaq.TempScale units = MccDaq.TempScale.Fahrenheit;
logger.SetPreferences(timeFormat, timeZone, units);
// Get the sample info for the first file in the directory
// Parameters:
// sampleInterval :receives the sample interval (time between samples)
// sampleCount :receives the sample count
// startDate :receives the start date
// startTime :receives the start time
int sampleInterval = 0;
int sampleCount = 0;
int startDate = 0;
int startTime = 0;
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.GetSampleInfo(ref sampleInterval, ref sampleCount, ref startDate, ref startTime);
}
// Get the ANALOG channel count for the first file in the directory
// Parameters:
// aiChannelCount :receives the number of AI chennels logged
int aiChannelCount = 0;
float [] aiChannelData = null;
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.GetAIChannelCount(ref aiChannelCount);
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
aiChannelData = new float [sampleCount * aiChannelCount];
}
}
// Get the CJC info for the first file in the directory
// Parameters:
// cjcChannelCount :receives the number of CJC chennels logged
int cjcChannelCount = 0;
float [] cjcChannelData = null;
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.GetCJCInfo(ref cjcChannelCount);
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
cjcChannelData = new float [sampleCount * cjcChannelCount];
}
}
// Get the DIO info for the first file in the directory
// Parameters:
// dioChannelCount :receives the number of DIO chennels logged
int dioChannelCount = 0;
int [] dioChannelData = null;
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.GetDIOInfo(ref dioChannelCount);
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
dioChannelData = new int [sampleCount * dioChannelCount];
}
}
// Read the time tag information
// Parameters:
// startSample :first sample to read
// sampleCount :number of samples to read
// dateTags :receives the date tag information
// timeTags :receives the time tag information
int startSample = 0;
int [] dateTags = new int [sampleCount];
int [] timeTags = new int [sampleCount];
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.ReadTimeTags(startSample, sampleCount, ref dateTags, ref timeTags);
}
// Read the Analog data
// Parameters:
// startSample :first sample to read
// sampleCount :number of samples to read
// aiChannelData :receives the analog data
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.ReadAIChannels(startSample, sampleCount, ref aiChannelData);
}
// Read the CJC data
// Parameters:
// startSample :first sample to read
// sampleCount :number of samples to read
// cjcChannelData :receives the cjc data
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.ReadCJCChannels(startSample, sampleCount, ref cjcChannelData);
}
// Read the DIO data
// Parameters:
// startSample :first sample to read
// sampleCount :number of samples to read
// dioChannelData :receives the dio data
if (errorInfo.Value == MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
errorInfo = logger.ReadDIOChannels(startSample, sampleCount, ref dioChannelData);
}
// display the data in teh list box
string displayStr;
string dateStr;
string timeStr;
string postfix;
int index;
for (int i = 0; i < sampleCount; i++)
{
int date = dateTags[i];
int time = timeTags[i];
int day = date & 0xff;
int month = (date >> 8) & 0xff;
int year = (date >> 16) & 0xffff;
dateStr = month.ToString() + "/" + day.ToString() + "/" + year.ToString();
switch ((time >> 24) & 0xff)
{
case 0:
postfix = " AM";
break;
case 1:
postfix = " PM";
break;
case -1:
postfix = "";
break;
default:
postfix = "";
break;
}
int hours = (time >> 16) & 0xff;
int minutes = (time >> 8) & 0xff;
int seconds = (time) & 0xff;
timeStr = hours.ToString() + ":" + minutes.ToString() + ":" + seconds.ToString() + ":" + postfix;
displayStr = dateStr + " " + timeStr;
if (aiChannelCount > 0)
{
index = i * aiChannelCount;
for (int j = 0; j < aiChannelCount; j++)
{
displayStr += "\t\t" + aiChannelData[index++].ToString();
}
}
if (cjcChannelCount > 0)
{
index = i * cjcChannelCount;
for (int j = 0; j < cjcChannelCount; j++)
{
displayStr += "\t\t" + cjcChannelData[index++].ToString();
}
}
if (dioChannelCount > 0)
{
index = i * dioChannelCount;
for (int j = 0; j < dioChannelCount; j++)
{
displayStr += "\t" + dioChannelData[index++].ToString();
}
}
lbData.Items.Add(displayStr);
}
if (errorInfo.Value != MccDaq.ErrorInfo.ErrorCode.NoErrors)
{
MessageBox.Show(errorInfo.Message);
return;
}
}
