public RaspSPI(SPIMode DataMode, SPIBitOrder BitOrder,
SPIClockDivider ClockDivider, ChipSelect ChipSelect,
bool ChipSelectPolarity)
{
RaspExtern.SPI.bcm2835_spi_begin();
this.DataMode = DataMode;
this.BitOrder = BitOrder;
this.ClockDivider = ClockDivider;
this.ChipSelect = ChipSelect;
this.ChipSelectPolarity = ChipSelectPolarity;
}
public MAX7219(int numberOfPanels = 1, Rotate rotate = Rotate.None, Transform transform = Transform.None, ChipSelect chipSelect = ChipSelect.CE0, string SPIControllerName = "SPI0")
{
this.PanelsPerFrame = numberOfPanels < 0 ? 0 : numberOfPanels;
this.rotate = rotate;
this.transform = transform;
this.chipSelect = chipSelect;
this.SPIControllerName = SPIControllerName;
SendDataBytes = new byte[2 * PanelsPerFrame];
Task.Run(() => InitSpi()).Wait();
InitDisplay();
}
public void EnableSPI(SPIMode DataMode = SPIMode.MODE1,
SPIBitOrder BitOrder = SPIBitOrder.Order_MSBFIRST,
SPIClockDivider ClockDivider = SPIClockDivider.Divider_256,
ChipSelect ChipSelect = ChipSelect.CS0,
bool ChipSelectPolarity = false)
{
if (spi != null)
{
spi.Dispose();
}
spi = new RaspSPI(DataMode, BitOrder, ClockDivider, ChipSelect, ChipSelectPolarity);
}
public MAX7219(int numberOfPanels = 1, Rotate rotate = Rotate.None, Transform transform = Transform.None, ChipSelect chipSelect = ChipSelect.CE0, string SPIControllerName = "SPI0")
{
this.PanelsPerFrame = numberOfPanels < 0 ? 0 : numberOfPanels;
this.rotate = rotate;
this.transform = transform;
this.chipSelect = chipSelect;
this.SPIControllerName = SPIControllerName;
SendDataBytes = new byte[2 * PanelsPerFrame];
Task.Run(() => InitSpi()).Wait();
InitDisplay();
}
public MAX7219(int numberOfPanels = 1, Rotate rotate = Rotate.None, Transform transform = Transform.None, ChipSelect chipSelect = ChipSelect.CE0, BusId busId = BusId.BusId0)
{
this.PanelsPerFrame = numberOfPanels < 0 ? 0 : numberOfPanels;
this.rotate = rotate;
this.transform = transform;
this.chipSelect = chipSelect;
this.busId = busId;
SendDataBytes = new byte[2 * PanelsPerFrame];
InitializeSpi();
InitializeDisplay();
}
private async Task InitSPI(ChipSelect cs) {
try {
var settings = new SpiConnectionSettings((int)cs);
settings.ClockFrequency = 500000;// 10000000;
settings.Mode = SpiMode.Mode0; //Mode3;
string spiAqs = SpiDevice.GetDeviceSelector(SPI_CONTROLLER_NAME);
var deviceInfo = await DeviceInformation.FindAllAsync(spiAqs);
SpiMCP3200 = await SpiDevice.FromIdAsync(deviceInfo[0].Id, settings);
}
/* If initialization fails, display the exception and stop running */
catch (Exception ex) {
throw new Exception("SPI Initialization Failed", ex);
}
}
private async Task InitSPI(ChipSelect cs)
{
try {
var settings = new SpiConnectionSettings((int)cs);
settings.ClockFrequency = 500000; // 10000000;
settings.Mode = SpiMode.Mode0; //Mode3;
string spiAqs = SpiDevice.GetDeviceSelector(SPI_CONTROLLER_NAME);
var deviceInfo = await DeviceInformation.FindAllAsync(spiAqs);
SpiMCP3200 = await SpiDevice.FromIdAsync(deviceInfo[0].Id, settings);
}
/* If initialization fails, display the exception and stop running */
catch (Exception ex) {
throw new Exception("SPI Initialization Failed", ex);
}
}
public MCP3002(ChipSelect cs)
{
Task.Run(() => InitSPI(cs)).Wait();
}
public MCP3002(ChipSelect cs) {
Task.Run(() => InitSPI(cs)).Wait();
}
public static void BeginSpi(ChipSelect cs, ushort clkDivider)
{
bcm2835_spi_begin ();
bcm2835_spi_chipSelect ((byte)cs);
bcm2835_spi_setClockDivider (clkDivider);
}
public static extern void bcm2835_spi_setChipSelectPolarity(ChipSelect cs, byte active);
public static extern void bcm2835_spi_chipSelect(ChipSelect cs);