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;
}
}
private async void InitSPIchip()
{
try
{
await MCP23S17.InitSPI();
MCP23S17.InitMCP23S17();
MCP23S17.setPinMode(0x00FF);
MCP23S17.pullupMode(0x00FF);
MCP23S17.WriteWord(0x0000);
}
catch (Exception ex)
{
}
}
private async void InitSPI()
{
try
{
await MCP23S17.InitSPI();
MCP23S17.InitMCP23S17();
MCP23S17.setPinMode(0x00FF); // 0x0000 = all outputs, 0xffff=all inputs, 0x00FF is PIFace Default
MCP23S17.pullupMode(0x00FF); // 0x0000 = no pullups, 0xffff=all pullups, 0x00FF is PIFace Default
MCP23S17.WriteWord(0x0000); // 0x0000 = no pullups, 0xffff=all pullups, 0x00FF is PIFace Default
}
catch (Exception ex)
{
}
}
/// <summary>Initializes the pi face.</summary>
public async Task InitializePiFace()
{
await MCP23S17.InitializeSpiDevice();
MCP23S17.Initialize();
MCP23S17.SetPinMode(0x00FF); // 0x0000 = all outputs, 0xffff=all inputs, 0x00FF is PIFace Default
MCP23S17.SetPullUpMode(0x00FF); // 0x0000 = no pullups, 0xffff=all pullups, 0x00FF is PIFace Default
MCP23S17.WriteWord(0x0000); // 0x0000 = no pullups, 0xffff=all pullups, 0x00FF is PIFace Default
// ReSharper disable once ExceptionNotDocumented
this.timer = new DispatcherTimer {
Interval = TimeSpan.FromMilliseconds(200)
};
this.timer.Tick += this.TimerOnTick;
this.timer.Start();
this.SendStatus();
}
private string ControlPiFaceLed(string[] query)
{
int targetLedNo;
string resultString = "XXXXXXX";
if (int.TryParse(query[1], out targetLedNo) == true && targetLedNo < 8)
{
MCP23S17.WritePin(LedAdress[targetLedNo],
this.CheckLedStatus(LedAdress[targetLedNo]) == MCP23S17.On
? MCP23S17.Off
: MCP23S17.On);
//MCP23S17.WritePin(LedAdress[targetLedNo], Convert.ToByte(query[1]));
resultString = "ok";
}
return(resultString);
}
private void TimerOutputs_Tick(object sender, object e)
{
if (OnFlag == 0)
{
MCP23S17.pullupMode(PFDII.LED2, Off);
MCP23S17.WritePin(PFDII.LED2, On);
MCP23S17.WritePin(PFDII.LED3, On);
MCP23S17.WritePin(PFDII.LED4, On);
OnFlag = 1;
}
else
{
MCP23S17.WritePin(PFDII.LED2, Off);
MCP23S17.WritePin(PFDII.LED3, Off);
MCP23S17.WritePin(PFDII.LED4, Off);
OnFlag = 0;
}
}
/* Initialize GPIO, SPI, and the display */
private async void InitAll()
{
try
{
await MCP23S17.InitSPI();
MCP23S17.InitMCP23S17();
MCP23S17.setPinMode(0x00FF); // 0x0000 = all outputs, 0xffff=all inputs, 0x00FF is PIFace Default
MCP23S17.pullupMode(0x00FF); // 0x0000 = no pullups, 0xffff=all pullups, 0x00FF is PIFace Default
MCP23S17.WriteWord(0x0000); // 0x0000 = no pullups, 0xffff=all pullups, 0x00FF is PIFace Default
Switch0.AddHandler(PointerPressedEvent, new PointerEventHandler(Switch0_PointerPressed), true);
Switch0.AddHandler(PointerReleasedEvent, new PointerEventHandler(Switch0_PointerReleased), true);
Switch1.AddHandler(PointerPressedEvent, new PointerEventHandler(Switch1_PointerPressed), true);
Switch1.AddHandler(PointerReleasedEvent, new PointerEventHandler(Switch1_PointerReleased), true);
Switch2.AddHandler(PointerPressedEvent, new PointerEventHandler(Switch2_PointerPressed), true);
Switch2.AddHandler(PointerReleasedEvent, new PointerEventHandler(Switch2_PointerReleased), true);
Switch3.AddHandler(PointerPressedEvent, new PointerEventHandler(Switch3_PointerPressed), true);
Switch3.AddHandler(PointerReleasedEvent, new PointerEventHandler(Switch3_PointerReleased), true);
initTimer();
}
catch (Exception ex)
{
//Text_Status.Text = "Exception: " + ex.Message;
//if (ex.InnerException != null)
//{
// Text_Status.Text += "\nInner Exception: " + ex.InnerException.Message;
//}
//return;
}
}
// read GPIO and display it
private void Timer_Tick(object sender, object e)
{
LightLEDs(MCP23S17.ReadRegister16()); // do something with the values
}
private void LED7_Unchecked(object sender, RoutedEventArgs e)
{
MCP23S17.WritePin(PFDII.LED7, Off);
}
private void LED1_Unchecked(object sender, RoutedEventArgs e)
{
MCP23S17.WritePin(PFDII.LED1, Off);
RelayA.IsChecked = false; // LED1 and RelayB are the same output pin
}
private void LED0_Checked(object sender, RoutedEventArgs e)
{
MCP23S17.WritePin(PFDII.LED0, On);
RelayB.IsChecked = true; // LED0 and RelayA are the same output pin
}
private void RelayB_Unchecked(object sender, RoutedEventArgs e)
{
MCP23S17.WritePin(PFDII.RelayB, Off);
RelayBImage.Source = RelayOff.Source;
LED0.IsChecked = false;;
}
private void RelayB_Checked(object sender, RoutedEventArgs e)
{
MCP23S17.WritePin(PFDII.RelayB, On);
RelayBImage.Source = RelayOn.Source;
LED0.IsChecked = true;;
}
public MCP23S17RegisterBase(int address, MCP23S17 chip)
{
this.address = address;
this.chip = chip;
}
private byte CheckLedStatus(byte led)
{
UInt16 Inputs = MCP23S17.ReadRegister16();
return(((Inputs & 1 << led) != 0) ? MCP23S17.On : MCP23S17.Off);
}
public MCP23S17RegisterBit(int bit_num, int address, MCP23S17 chip)
: base(address, chip)
{
this.bit_num = bit_num;
}
private void LED6_Checked(object sender, RoutedEventArgs e)
{
MCP23S17.WritePin(PFDII.LED6, On);
}
