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));
}
public DS18B20(Cpu.Pin pin, OneWireBus.Device dev)
{
m_op = new OutputPort(pin, false);
m_ow = new OneWire(m_op);
if (dev == null)
{
var x = m_ow.FindAllDevices();
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;
}
// 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;
}
