// read temperature from device
internal static void getTemperature(TemperatureContainer tc, int trial)
{
// get the current resolution and other settings of the device
byte[] state = tc.readDevice();
double lastTemp;
while (trial-- > 0)
{
// perform a temperature conversion
tc.doTemperatureConvert(state);
// read the result of the conversion
state = tc.readDevice();
// extract the result out of state
lastTemp = tc.getTemperature(state);
if (tempMode == FAHRENHEIT)
{
lastTemp = convertToFahrenheit(lastTemp);
}
// show results up to 2 decimal places
Debug.WriteLine(" Temperature = " + ((int)(lastTemp * 100)) / 100.0 + tempUnit);
}
}
/// <summary>
/// Method main
///
/// </summary>
/// <param name="args">
/// </param>
public static void Main1(string[] args)
{
byte[] state = null;
double alarmLow;
double alarmHigh;
bool alarming;
OneWireContainer owc = null;
TemperatureContainer tc = null;
Stream stream = loadResourceFile("TemperatureContainerDemo.input.txt");
dis = new StreamReader(stream);
// find and initialize the first OneWireContainer with
// TemperatureContainerDemo interface
owc = initContainer();
if (!(owc is TemperatureContainer))
{
cleanup();
Debug.WriteLine("*************************************************************************");
Debug.WriteLine("No TemperatureContainerDemo found. Exit program.");
Debug.WriteLine("");
return;
}
else
{
tc = (TemperatureContainer)owc;
}
initMenu();
int curMenuChoice = 0;
while (true)
{
curMenuChoice = getMenuChoice(hashMainMenu, mainMenuItemCount);
try
{
switch (curMenuChoice)
{
case 0: // Read Temperature Once
getTemperature(tc, 1);
break;
case 1: // Read Temperature Multiple Time
Debug.Write("Please enter number of times: ");
int trial = (int)Number;
getTemperature(tc, trial);
break;
case 2: // Read High and Low Alarms
if (!tc.hasTemperatureAlarms())
{
Debug.WriteLine("Temperature alarms not supported");
}
else
{
state = tc.readDevice();
alarmLow = tc.getTemperatureAlarm(TemperatureContainer_Fields.ALARM_LOW, state);
alarmHigh = tc.getTemperatureAlarm(TemperatureContainer_Fields.ALARM_HIGH, state);
if (tempMode == FAHRENHEIT)
{
alarmHigh = convertToFahrenheit(alarmHigh);
alarmLow = convertToFahrenheit(alarmLow);
}
Debug.WriteLine(" Alarm: High = " + alarmHigh + tempUnit + ", Low = " + alarmLow + tempUnit);
}
break;
case 3: // Set High and Low Alarms
Debug.WriteLine("*************************************************************************");
if (!tc.hasTemperatureAlarms())
{
Debug.WriteLine("Temperature alarms not supported");
}
else
{
if (tempMode == CELSIUS)
{
Debug.WriteLine("*** Temperature value in Celsius ***");
}
else
{
Debug.WriteLine("*** Temperature value in Fehrenheit ***");
}
Debug.Write("Enter alarm high value: ");
double inputHigh = Number;
Debug.Write("Enter alarm low value: ");
double inputLow = Number;
if (tempMode == CELSIUS)
{
alarmHigh = inputHigh;
alarmLow = inputLow;
}
else
{
alarmHigh = convertToCelsius(inputHigh);
alarmLow = convertToCelsius(inputLow);
}
state = tc.readDevice();
tc.setTemperatureAlarm(TemperatureContainer_Fields.ALARM_HIGH, alarmHigh, state);
tc.setTemperatureAlarm(TemperatureContainer_Fields.ALARM_LOW, alarmLow, state);
tc.writeDevice(state);
state = tc.readDevice();
alarmLow = tc.getTemperatureAlarm(TemperatureContainer_Fields.ALARM_LOW, state);
alarmHigh = tc.getTemperatureAlarm(TemperatureContainer_Fields.ALARM_HIGH, state);
if (tempMode == FAHRENHEIT)
{
alarmHigh = convertToFahrenheit(alarmHigh);
alarmLow = convertToFahrenheit(alarmLow);
}
Debug.WriteLine(" Set Alarm: High = " + alarmHigh + tempUnit + ", Low = " + alarmLow + tempUnit);
}
break;
case 4: // isAlarming
if (!tc.hasTemperatureAlarms())
{
Debug.WriteLine("Temperature alarms not supported");
}
else
{
alarming = owc.Alarming;
if (alarming)
{
Debug.WriteLine(" Alarming");
}
else
{
Debug.WriteLine(" Not Alarming");
}
}
break;
case 5: // Temperature Display Option
Debug.WriteLine("*************************************************************************");
Debug.WriteLine("1. Celsius");
Debug.WriteLine("2. Fehrenheit");
Debug.Write("Please enter temperature display option: ");
int choice = (int)Number;
if (choice == 2)
{
tempMode = FAHRENHEIT;
tempUnit = " F";
Debug.WriteLine(" Set to Fehrenheit display mode ");
}
else
{
tempMode = CELSIUS;
tempUnit = " C";
Debug.WriteLine(" Set to Celsius display mode (default) ");
}
break;
case 6:
cleanup();
return;
} //switch
}
catch (Exception e)
{
printException(e);
}
} // while
}
// find the first OneWireContainer with TemperatureContainerDemo
// interface. If found, initialize the container
internal static OneWireContainer initContainer()
{
byte[] state = null;
OneWireContainer owc = null;
TemperatureContainer tc = null;
try
{
adapter = OneWireAccessProvider.DefaultAdapter;
// get exclusive use of adapter
adapter.beginExclusive(true);
adapter.setSearchAllDevices();
adapter.targetAllFamilies();
adapter.Speed = DSPortAdapter.SPEED_REGULAR;
// enumerate through all the one wire device found
for (System.Collections.IEnumerator owc_enum = adapter.AllDeviceContainers; owc_enum.MoveNext();)
{
// get the next owc
owc = (OneWireContainer)owc_enum.Current;
// check for one wire device that implements TemperatureCotainer interface
if (owc is TemperatureContainer)
{
tc = (TemperatureContainer)owc;
// access One Wire device
state = tc.readDevice();
if (tc.hasSelectableTemperatureResolution())
{
double[] resolution = tc.TemperatureResolutions;
tc.setTemperatureResolution(resolution [resolution.Length - 1], state);
}
tc.writeDevice(state);
// print device information
Debug.WriteLine("");
Debug.WriteLine("*************************************************************************");
Debug.WriteLine("* 1-Wire Device Name: " + owc.Name);
Debug.WriteLine("* 1-Wire Device Other Names: " + owc.AlternateNames);
Debug.WriteLine("* 1-Wire Device Address: " + owc.AddressAsString);
Debug.WriteLine("* 1-Wire Device Max speed: " + ((owc.MaxSpeed == DSPortAdapter.SPEED_OVERDRIVE) ? "Overdrive" : "Normal"));
Debug.WriteLine("* 1-Wire Device Description: " + owc.Description);
Debug.WriteLine("*************************************************************************");
Debug.WriteLine(" Hit ENTER to continue...");
dis.ReadLine();
break;
}
} // enum all owc
}
catch (Exception e)
{
printException(e);
}
return(owc);
}
