public static void Main()
{
var op = new OutputPort(Stm32F4Discovery.FreePins.PA15, false);
var ow = new OneWire(op);
IDisplay display = new Display();
DS18X20[] devices = DS18X20.FindAll(ow);
if (devices.Length == 0)
{
display.ShowError("Brak DS18B20");
return;
}
DS18X20 tempDev = devices[0];
for (;;)
{
float currentTemp = 0;
string exceptionMsg = String.Empty;
try
{
currentTemp = tempDev.GetTemperature();
}
catch(IOException ex)
{
exceptionMsg = ex.Message;
}
if (exceptionMsg.Length == 0)
display.ShowTemperature(currentTemp);
else
display.ShowError(exceptionMsg);
Thread.Sleep(1000);
}
}
public static Device[] Scan(OneWire ow, params Family[] includeFamilies)
{
var addr = new byte[8];
var list = new ArrayList();
var all = false;
var devs = ow.FindAllDevices();
if (includeFamilies != null)
{
foreach (var f in includeFamilies)
{
if (f == Family.Unknown)
all = true;
}
}
foreach (byte[] da in devs)
{
if (includeFamilies == null || includeFamilies.Length == 0 || all)
{
list.Add(new Device(da));
}
else
{
foreach (var f in includeFamilies)
{
if (addr[0] == (byte)f)
list.Add(new Device(da));
}
}
}
return (Device[])list.ToArray(typeof(Device));
}
private bool PreInit(object sender, EventArgs e)
{
BlinkingLed = new SignalGenerator(EMX.Pin.IO17, false, 2);
Blink(100);
OneWireBus = new OneWire(new OutputPort(EMX.Pin.IO26, false));
return true;
}
public Ds18B20(OneWire ow, OneWireBus.Device dev)
{
m_ow = ow;
if (dev == null)
{
var devs = OneWireBus.Scan(ow, OneWireBus.Family.DS18B20);
if (devs == null || devs.Length < 1)
throw new InvalidOperationException("No DS18B20 devices found on OneWire bus");
dev = devs[0];
}
m_dev = dev;
}
public Ds18B20(Cpu.Pin pin, OneWireBus.Device dev)
{
m_op = new OutputPort(pin, false);
m_ow = new OneWire(m_op);
if (dev == null)
{
var devs = OneWireBus.Scan(m_ow, OneWireBus.Family.DS18B20);
if (devs == null || devs.Length < 1)
throw new InvalidOperationException("No DS18B20 devices found on OneWire bus");
dev = devs[0];
}
m_dev = dev;
}
/// <summary>
/// Constructs DS-18B20 object for a given 1-wire bus and a device sequence number.
/// </summary>
/// <param name="bus">1-wire bus to whish the sensor is attached</param>
/// <param name="index">sequence index of a bus element</param>
public Ds18b20(OneWire bus, int index)
{
if (bus.AcquireEx() < 0)
{
throw new InvalidOperationException("Invalid OneWire bus.");
}
OneWireBus = bus;
ArrayList devices = GetDevices();
if (index >= devices.Count)
{
throw new IndexOutOfRangeException("Invalid device number.");
}
Address = (byte[])devices[index];
}
private DS18X20(byte[] presensePulse, OneWire bus)
{
if (presensePulse == null)
throw new ArgumentNullException("presensePulse");
if (bus == null)
throw new ArgumentNullException("bus");
if (presensePulse[0] != DS18S20FamilyCode
&& presensePulse[0] != DS18B20FamilyCode)
throw new ArgumentException("Wrong pulses", "presensePulse");
_presensePulse = presensePulse;
_bus = bus;
_sSeries = _presensePulse[0] == DS18S20FamilyCode;
}
/// <summary>
/// Constructs DS-18B20 object for a given 1-wire bus and a device address
/// </summary>
/// <param name="bus">1-wire bus to whish the sensor is attached</param>
/// <param name="address">device address</param>
public Ds18b20(OneWire bus, byte[] address)
{
if (bus.AcquireEx() < 0)
{
throw new InvalidOperationException("Invalid OneWire bus.");
}
OneWireBus = bus;
ArrayList devices = GetDevices();
foreach (byte[] Address in devices)
{
if (Address.Compare(address))
{
this.Address = Address;
return;
}
}
throw new InvalidOperationException("Device with the specified address is not present in the bus.");
}
// ReSharper restore InconsistentNaming
public static DS18X20[] FindAll(OneWire bus)
{
if (bus == null)
throw new ArgumentNullException("bus");
var devices = new ArrayList();
ArrayList presensePulses = bus.FindAllDevices();
foreach (byte[] presensePulse in presensePulses)
{
if (presensePulse[0] != DS18S20FamilyCode
&& presensePulse[0] != DS18B20FamilyCode)
continue;
var device = new DS18X20(presensePulse, bus);
devices.Add(device);
}
var result = (DS18X20[]) devices.ToArray(typeof (DS18X20));
return result;
}
public Ds18B20(OneWire ow) : this(ow, null) {}
private void InitBus()
{
//var socket = Socket.GetSocket(12, true, null, null);
//var i2c = new I2CBus(socket, 1, busClockRate, null);
//byte[] b = new byte[5];
//int i = i2c.Read(b, 1000);
//Debug.Print(b[0].ToString() + i);
//byte[] b = new byte[1];
//int i = i2c.WriteRead(new byte[] {0x00}, b, 1000);
//Debug.Print(b[0].ToString() + i);
//- See more at: https://www.ghielectronics.com/community/forum/topic?id=13503&page=2#msg137894
//networkCoordinator = new NetworkCoordinator();
//busHubI2C = new BusHubI2C(new BusConfiguration(new I2CDevice(null)));
//busHubI2C.BusModulesCollectionChanged += busHubI2C_BusModulesCollectionChanged;
//networkCoordinator.BusHubs.Add(busHubI2C);
//----------------------------------------------------------
OneWire ow = new OneWire(new OutputPort(Socket.GetSocket(11, true, null, null).CpuPins[3], false));
busHubOneWire = new BusMasterOneWire(ow);
busHubOneWire.BusModulesCollectionChanged += busHub_BusModulesCollectionChanged;
//OneWireExtension.Device[] devs = OneWireExtension.Scan(Socket.GetSocket(11, true, null, null).CpuPins[3]);
//var b = devs;
}
public BusMasterOneWire(OneWire bus)
: base(0)
{
this.bus = bus;
}
public M8_TempMgr(Cpu.Pin owPin)
{
this._owPin = owPin;
this._owBus = new OneWire(this._owPin);
this._thermometers = new ArrayList();
this._getThermometers();
}