private string GetPiFaceStatus()
{
try
{
UInt16 inputs = MCP23S17.ReadRegister16();
JObject status = new JObject(
new JProperty("LED",
new JObject(
new JProperty("LED0", ((inputs & 1 << PiFaceDigital2.LED0) != 0) ? "on" : "off"),
new JProperty("LED1", ((inputs & 1 << PiFaceDigital2.LED1) != 0) ? "on" : "off"),
new JProperty("LED2", ((inputs & 1 << PiFaceDigital2.LED2) != 0) ? "on" : "off"),
new JProperty("LED3", ((inputs & 1 << PiFaceDigital2.LED3) != 0) ? "on" : "off"),
new JProperty("LED4", ((inputs & 1 << PiFaceDigital2.LED4) != 0) ? "on" : "off"),
new JProperty("LED5", ((inputs & 1 << PiFaceDigital2.LED5) != 0) ? "on" : "off"),
new JProperty("LED6", ((inputs & 1 << PiFaceDigital2.LED6) != 0) ? "on" : "off"),
new JProperty("LED7", ((inputs & 1 << PiFaceDigital2.LED7) != 0) ? "on" : "off")
)),
new JProperty("Switch",
new JObject(
new JProperty("SW0", ((inputs & 1 << PiFaceDigital2.SW0) == 0) ? "on" : "off"),
new JProperty("SW1", ((inputs & 1 << PiFaceDigital2.SW1) == 0) ? "on" : "off"),
new JProperty("SW2", ((inputs & 1 << PiFaceDigital2.SW2) == 0) ? "on" : "off"),
new JProperty("SW3", ((inputs & 1 << PiFaceDigital2.SW3) == 0) ? "on" : "off")
)));
return(status.ToString());
}
catch (Exception ex)
{
return("에러발생" + ex.ToString());
}
}
/// <summary>Updates the values from the Pi.</summary>
internal void UpdateValuesFromPi()
{
var result = MCP23S17.ReadRegister16(); // do something with the values
for (int i = 0; i < 8; i++)
{
var bitIsOn = (result & (1 << i)) != 0;
this.Inputs.First(input => input.Id == i).IsOn = !bitIsOn;
bitIsOn = (result & (1 << (i + 8))) != 0;
this.Outputs.First(input => input.Id == i).IsOn = bitIsOn;
}
}
// read GPIO and display it
private void Timer_Tick(object sender, object e)
{
LightLEDs(MCP23S17.ReadRegister16()); // do something with the values
}
private byte CheckLedStatus(byte led)
{
UInt16 Inputs = MCP23S17.ReadRegister16();
return(((Inputs & 1 << led) != 0) ? MCP23S17.On : MCP23S17.Off);
}