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;
}