public async Task <SpiDevice> CreateSpiDeviceAsync(WD.Spi.SpiConnectionSettings connectionSettings)
{
if (this.IsTypeSupported(SocketType.Y) && !this.IsTypeSupported(SocketType.S))
{
return(await this.CreateSpiDeviceAsync(connectionSettings, SocketPinNumber.Six, SocketPinNumber.Seven, SocketPinNumber.Eight, SocketPinNumber.Nine));
}
this.EnsureTypeIsSupported(SocketType.S);
if (this.SpiDeviceCreator != null)
{
return(await this.SpiDeviceCreator(this));
}
return(new NativeInterfaces.SpiDevice(await NativeInterfaces.SpiDevice.CreateInterfaceAsync(this.NativeSpiDeviceId, connectionSettings)));
}
public async Task <SpiDevice> CreateSpiDeviceAsync(WD.Spi.SpiConnectionSettings connectionSettings, SocketPinNumber chipSelectPinNumber, SocketPinNumber masterOutPinNumber, SocketPinNumber masterInPinNumber, SocketPinNumber clockPinNumber)
{
if (chipSelectPinNumber == SocketPinNumber.Six && masterOutPinNumber == SocketPinNumber.Seven && masterInPinNumber == SocketPinNumber.Eight && clockPinNumber == SocketPinNumber.Nine && this.IsTypeSupported(SocketType.S))
{
return(await this.CreateSpiDeviceAsync(connectionSettings));
}
var chipSelect = await this.CreateDigitalIOAsync(chipSelectPinNumber);
var masterOut = await this.CreateDigitalIOAsync(masterOutPinNumber);
var masterIn = await this.CreateDigitalIOAsync(masterInPinNumber);
var clock = await this.CreateDigitalIOAsync(clockPinNumber);
return(new SoftwareInterfaces.SpiDevice(chipSelect, masterOut, masterIn, clock, connectionSettings));
}
public static async Task <WD.Spi.SpiDevice> CreateInterfaceAsync(string deviceId, WD.Spi.SpiConnectionSettings connectionSettings)
{
var infos = await WD.Enumeration.DeviceInformation.FindAllAsync(WD.Spi.SpiDevice.GetDeviceSelector(deviceId));
return(await WD.Spi.SpiDevice.FromIdAsync(infos[0].Id, connectionSettings));
}
internal SpiDevice(DigitalIO chipSelect, DigitalIO masterOut, DigitalIO masterIn, DigitalIO clock, Windows.Devices.Spi.SpiConnectionSettings settings)
{
if (settings.DataBitLength != 8)
{
throw new NotSupportedException("Only 8 data bits are supported.");
}
this.chipSelect = chipSelect;
this.masterOut = masterOut;
this.masterIn = masterIn;
this.clock = clock;
this.clockActiveState = (((int)settings.Mode) & 0x02) == 0;
this.captureOnRisingEdge = ((((int)settings.Mode) & 0x01) == 0);
this.clock.Write(!this.clockActiveState);
this.masterIn.Read();
this.masterOut.Write(true);
this.chipSelect.Write(true);
}
internal SpiDevice(DigitalIO chipSelect, DigitalIO masterOut, DigitalIO masterIn, DigitalIO clock, Windows.Devices.Spi.SpiConnectionSettings settings)
{
if (settings.DataBitLength != 8)
{
throw new NotSupportedException("Only 8 data bits are supported.");
}
this.chipSelect = chipSelect;
this.masterOut = masterOut;
this.masterIn = masterIn;
this.clock = clock;
this.clockEdge = (((int)settings.Mode) & 0x01) > 0;
this.clockPolarity = (((int)settings.Mode) & 0x02) == 0;
}
