public float ReadTemperature()
{
try
{
oneWire.TouchReset();
oneWire.WriteByte(SkipROM);
oneWire.WriteByte(ConvertT);
Thread.Sleep(1000);
oneWire.TouchReset();
oneWire.WriteByte(SkipROM);
oneWire.WriteByte(ReadScratchpad);
// Read just the temperature (2 bytes)
var tempLo = oneWire.ReadByte();
var tempHi = oneWire.ReadByte();
float temperature = GetTemperature((byte)tempLo, (byte)tempHi);
return(temperature);
}
catch (Exception exception)
{
//Logger.Instance.Write(exception.ToString());
return(0f);
}
}
void Setup()
{
OneWire ow = new OneWire(myPin);
ushort temperature;
// read every second
while (true)
{
if (ow.TouchReset() > 0)
{
ow.WriteByte(0xCC); // Skip ROM, we only have one device
ow.WriteByte(0x44); // Start temperature conversion
while (ow.ReadByte() == 0)
{
; // wait while busy
}
ow.TouchReset();
ow.WriteByte(0xCC); // skip ROM
ow.WriteByte(0xBE); // Read Scratchpad
temperature = (byte)ow.ReadByte(); // LSB
temperature |= (ushort)(ow.ReadByte() << 8); // MSB
TempValue = temperature / 16;
Debug.Print("Temperature: " + TempValue);
Thread.Sleep(1000);
}
else
{
Debug.Print("Device is not detected.");
}
Thread.Sleep(1000);
}
}
private void Write(params byte[] sendValues)
{
foreach (byte sendValue in sendValues)
{
_bus.WriteByte(sendValue);
}
}
public static string OneWire_Temperaturea()
{
// Change this your correct pin!
Cpu.Pin myPin = (Cpu.Pin)FEZ_Pin.Digital.Di4;
OneWire ow = new OneWire(myPin);
ushort temperature;
{
BMP085 pressureSensor = new BMP085(0x77, BMP085.DeviceMode.UltraLowPower);
string temperature_Pressure;
if (ow.Reset())
{
ow.WriteByte(0xCC); // Skip ROM, we only have one device
ow.WriteByte(0x44); // Start temperature conversion
while (ow.ReadByte() == 0)
{
; // wait while busy
}
ow.Reset();
ow.WriteByte(0xCC); // skip ROM
ow.WriteByte(0xBE); // Read Scratchpad
temperature = ow.ReadByte(); // LSB
temperature |= (ushort)(ow.ReadByte() << 8); // MSB
temperature_Pressure = "Temperature: " + temperature / 16 + "\n" + "BMP085 Pascal: " + pressureSensor.Pascal +
" BMP085 InchesMercury: " + pressureSensor.InchesMercury.ToString("F2") + " BMP085 Temp*C: " + pressureSensor.Celsius.ToString("F2");
}
else
{
temperature_Pressure = "Temperature Device is not Detected";
}
ow.Dispose();
Thread.Sleep(1000);
return(temperature_Pressure);
}
}
private double ReadTemperture(byte[] owAddress)
{
var scratchpad = new byte[9];
_ow.TouchReset();
_ow.WriteByte(MatchRom);
for (int i = 0; i <= 7; i++)
{
_ow.WriteByte(owAddress[i]);
}
_ow.WriteByte(StartTemperatureConversion);
while (_ow.ReadByte() == 0)
{
}
_ow.TouchReset();
_ow.WriteByte(MatchRom);
for (int i = 0; i <= 7; i++)
{
_ow.WriteByte(owAddress[i]);
}
_ow.WriteByte(ReadScratchPad);
for (int i = 0; i <= 8; i++)
{
scratchpad[i] = (byte)_ow.ReadByte();
}
short tempLow = scratchpad[0];
short tempHigh = scratchpad[1];
long temptemp = (((long)tempHigh) << 8) | ((uint)tempLow);
float temperatureC = temptemp * 0.0625f;
return(temperatureC);
}
public void ReadTemperature()
{
long data = 0;
if (DataPin.ReadByte() > 0 && ConvStarted)
{
//Read temperature1
DataPin.Reset();
DataPin.WriteByte(MatchROM);
DataPin.Write(IDs[0], 0, 8);
DataPin.WriteByte(ReadScratchPad);
data = DataPin.ReadByte(); // LSB
data |= (ushort)(DataPin.ReadByte() << 8); // MSB
Temperature1 = data * 0.0625f;
//Read temperature2
DataPin.Reset();
DataPin.WriteByte(MatchROM);
DataPin.Write(IDs[1], 0, 8);
DataPin.WriteByte(ReadScratchPad);
data = DataPin.ReadByte(); // LSB
data |= (ushort)(DataPin.ReadByte() << 8); // MSB
Temperature2 = data * 0.0625f;
ConvStarted = false;
}
DataPin.Reset();
DataPin.WriteByte(MatchROM);
DataPin.Write(IDs[0], 0, 8);
DataPin.WriteByte(StartTemperatureConversion);
DataPin.Reset();
DataPin.WriteByte(MatchROM);
DataPin.Write(IDs[1], 0, 8);
DataPin.WriteByte(StartTemperatureConversion);
ConvStarted = true;
}
/// <summary>
/// Lettura del codice ROM di identificazione
/// </summary>
public string GetRomCode(bool checkCrc = true)
{
byte[] code = new byte[8];
try
{
// verifico se sul bus è presente un dispositivo 1-Wire
if (Ow.TouchReset() > 0)
{
// invio comando lettura codice ROM
Ow.WriteByte(ReadROM);
// Ricezione del codice ROM composto da 8 byte
for (int i = 0; i < 8; i++)
{
code[i] = (byte)Ow.TouchByte(0xFF);
}
// Verifico se è un codice valido
if (checkCrc)
{
if (OnewireUtil.ComputeCrc(code, 0, 7) == code[7])
{
// Chiave valida
return(ByteArrayToHexString(code, 0, 8));
}
return("");
}
if (code[0] != 0)
{
return(ByteArrayToHexString(code, 0, 8));
}
}
}
catch (Exception ex)
{
Debug.Print(ex.Message);
}
return("");
}
/// <summary>
/// Funcion encargada de 3 cosas: Leer el sensor, mostrar datos por LCD y controlar el encendido y apagado de los relays.
/// </summary>
private static void readTemp()
{
OneWire _oneWire = new OneWire(new OutputPort(Pins.GPIO_PIN_D0, false));
var lcdProvider = new GpioLcdTransferProvider(
Pins.GPIO_PIN_D11, // RS
Pins.GPIO_NONE, // RW
Pins.GPIO_PIN_D9, // enable
Pins.GPIO_PIN_D2, // d0
Pins.GPIO_PIN_D4, // d1
Pins.GPIO_PIN_D6, // d2
Pins.GPIO_PIN_D8, // d3
Pins.GPIO_PIN_D7, // d4
Pins.GPIO_PIN_D5, // d5
Pins.GPIO_PIN_D3, // d6
Pins.GPIO_PIN_D1); // d7
var lcd = new Lcd(lcdProvider);
lcd.Begin(16, 2);
// apagamos todos los compomentes externos.
// Infinite loop that reads the temp and stores it in tempAct
while (true)
{
Double rango = Datos.tempMax - Datos.tempMin;
Double limiteSup = 0.50 * rango;
Double limiteInf = 0.20 * rango;
try
{
if (_oneWire.TouchReset() > 0)
{
_oneWire.WriteByte(0xCC); // Skip ROM, only one device
_oneWire.WriteByte(0x44); // Temp conversion
while (_oneWire.ReadByte() == 0)
{
; //Loading
}
_oneWire.TouchReset();
_oneWire.WriteByte(0xCC); // Skip ROM
_oneWire.WriteByte(0xBE); // Read
ushort temperature = (byte)_oneWire.ReadByte();
temperature |= (ushort)(_oneWire.ReadByte() << 8); // MSB
Datos.tempAct = temperature / 16.0;
if (Datos.competi && !Datos.finishBattle)
{
//Debug.Print("------------------------------DENTRO DE PROGRAM.170-------------------");
// tanto el secador como el ventilador, operan en FALSE - circuito cerrado
if (Datos.tempAct >= (Datos.tempMax - limiteSup)) // FRIO
{
Secador.Write(false);
Ventilador1.Write(true);
Ventilador2.Write(true);
ledCool.Write(true);
}
else if (Datos.tempAct <= (Datos.tempMin + limiteInf)) // CALOR
{
Secador.Write(true);
Ventilador1.Write(false);
Ventilador2.Write(false);
}
else // APAGAMOS TODO
{
off();
}
//Datos.tempAct = Microsoft.SPOT.Math.(Datos.tempAct, 1);
lcd.Clear();
lcd.SetCursorPosition(0, 0);
lcd.Write("[" + Datos.tempMin.ToString("N1") + "-" + Datos.tempMax.ToString("N1") + "]");
lcd.SetCursorPosition(12, 0);
lcd.Write(Datos.roundTime.ToString() + "s");
lcd.SetCursorPosition(0, 1);
lcd.Write(Datos.tempAct.ToString("N1") + "C [" + Datos.timeInRangeTemp.ToString() + "s" + "]");
lcd.SetCursorPosition(13, 1);
lcd.Write(Datos.timeLeft.ToString());
Thread.Sleep(Datos.refresh);
}
if (!Datos.competi && !Datos.coolerMode)
{
lcd.Clear();
lcd.SetCursorPosition(0, 0);
lcd.Write("Temp War Grupo 1");
lcd.SetCursorPosition(0, 1);
lcd.Write("[" + Datos.tempAct.ToString("N1") + "C] Pts:" + Datos.timeInRangeTemp + "s");
Thread.Sleep(Datos.displayRefresh);
}
if (Datos.coolerMode)
{
lcd.Clear();
lcd.SetCursorPosition(0, 0);
lcd.Write("Cooling Mode.");
lcd.SetCursorPosition(0, 1);
lcd.Write("Temp: " + Datos.tempAct.ToString("N1") + "C");
Thread.Sleep(Datos.displayRefresh);
lcd.SetCursorPosition(0, 0);
lcd.Write("Cooling Mode..");
Thread.Sleep(Datos.displayRefresh);
lcd.SetCursorPosition(0, 0);
lcd.Write("Cooling Mode...");
}
}
else
{
Debug.Print("Fallo de sensor");
//Could be that you read to fast after previous read. Include
Thread.Sleep(1000);
}
}
catch (Exception ex)
{
Debug.Print("ReadTemperatureToConsole " + ex.Message);
}
}
}
/// <summary>
/// Reading temperature
/// </summary>
/// <param name="format"> desired format</param>
/// <returns></returns>
public override double ReadTemperature(TemperatureFormat format)
{
int rawTemperature = 0;
//if tere is only one device
if (address == null)
{
if (oneWire.TouchReset() > 0)
{
oneWire.WriteByte((int)OneWireCommands.SkipRom);
oneWire.WriteByte((int)OneWireCommands.MeasureTemperature);
while (oneWire.ReadByte() == 0)
{
;
}
oneWire.TouchReset();
oneWire.WriteByte((int)OneWireCommands.SkipRom);
oneWire.WriteByte((int)OneWireCommands.ReadRom);
rawTemperature = (UInt16)((UInt16)oneWire.ReadByte() | (UInt16)(oneWire.ReadByte() << 8));
}
else
{
throw new Exception("Device not found");
}
}
//else if there is device address provided
else
{
bool match = false;
byte[] found = null;
//find device with provided address
var devices = oneWire.FindAllDevices();
foreach (byte[] codes in devices)
{
match = true;
for (int i = 0; i < codes.Length; i++)
{
if (codes[i] != address[i])
{
match = false;
break;
}
}
if (match)
{
found = codes;
break;
}
}
if (found == null)
{
throw new Exception("Device with specified address not found");
}
else
{
if (oneWire.TouchReset() > 0)
{
oneWire.WriteByte((int)OneWireCommands.MatchRom);
foreach (byte codePart in found)
{
oneWire.WriteByte((int)codePart);
}
oneWire.WriteByte((int)OneWireCommands.MeasureTemperature);
while (oneWire.ReadByte() == 0)
{
;
}
oneWire.WriteByte((int)OneWireCommands.MatchRom);
foreach (byte codePart in found)
{
oneWire.WriteByte((int)codePart);
}
oneWire.WriteByte((int)OneWireCommands.ReadRom);
rawTemperature = (UInt16)((UInt16)oneWire.ReadByte() | (UInt16)(oneWire.ReadByte() << 8));
}
}
}
//conversion
double result = 1;
if ((rawTemperature & 0x8000) > 0)
{
rawTemperature = (rawTemperature ^ 0xffff) + 1;
result = -1;
}
result *= (6 * rawTemperature + rawTemperature / 4) / 100;
return(result + ((format == TemperatureFormat.KELVIN) ? 273.15 : 0.0));
}