private int readadc()
{
if ((adcnum > 7) || adcnum < 0)
{
return(-1);
}
cspin.Write(true);
clockpin.Write(false); // #start clock low
cspin.Write(false); // #bring CS low
int commandout = adcnum;
commandout |= 0x18; //# start bit + single-ended bit
commandout <<= 3; //# we only need to send 5 bits here
for (int i = 0; i < 5; i++)
{
if ((commandout & 0x80) == 128)
{
mosipin.Write(true);
}
else
{
mosipin.Write(false);
}
commandout <<= 1;
clockpin.Write(true);
clockpin.Write(false);
}
int adcout = 0;
//# read in one empty bit, one null bit and 10 ADC bits
for (int i = 0; i < 12; i++)
{
clockpin.Write(true);
clockpin.Write(false);
adcout <<= 1;
if (misopin.Read())
{
adcout |= 0x1;
}
}
cspin.Write(true);
adcout /= 2;//# first bit is 'null' so drop it
return(adcout);
}
/// <summary>
/// Read 8 bit data from the DS1620
/// </summary>
/// <returns>The temperature in half degree increments</returns>
private int ReadData()
{
int n;
var raw_data = 0; // go into input mode
for (n = 0; n < 9; n++)
{
_clk.Write(false);
var bit = _dq.Read() == PinState.High ? 1 : 0;
_clk.Write(true);
raw_data = raw_data | (bit << n);
}
Console.WriteLine("bin=" + Convert.ToString(raw_data, 2));
return(raw_data);
}
/// <summary>
/// Read 8 bit data from the DS1620
/// </summary>
/// <returns>The temperature in half degree increments</returns>
private int ReadData()
{
int bit, n;
int raw_data = 0; // go into input mode
for (n = 0; n < 9; n++)
{
_clk.Write(false);
if (_dq.Read() == true)
{
bit = 1;
}
else
{
bit = 0;
}
_clk.Write(true);
raw_data = raw_data | (bit << n);
}
Console.WriteLine("bin=" + Convert.ToString(raw_data, 2));
return(raw_data);
}
public byte receive()
{
byte temp = 0;
// Pull-up on
_data.Write(true);
for (int i = 0; i < 8; i++)
{
temp >>= 1;
_clock.Write(false);
if (_data.Read())
{
temp |= 0x80;
}
_clock.Write(true);
}
_data.Write(false);
return(temp);
}
static void printPin(GPIO pin) {
Console.Write(pin.Read() ? "1" : "0");
}