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();
}
/* 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;
}
}