public void Read(SpiDeviceConfig config, ushort[] buffer, ByteOrder byteOrder)
{
ConfigureBusForDevice(config);
//todo validate byte order
_spotSpi.WriteRead(new ushort[] { config.NoOpCommand },
buffer);
throw new NotImplementedException();
}
public void WriteRead(SpiDeviceConfig config,
byte[] writeBuffer,
int writeOffset,
int writeCount,
byte[] readBuffer,
int readOffset,
int readCount,
int startReadingAtOffset = 0)
{
ConfigureBusForDevice(config);
_spotSpi.WriteRead(writeBuffer, writeOffset, writeCount, readBuffer, readOffset, readCount, startReadingAtOffset);
}
public void WriteRead(SpiDeviceConfig config,
ushort[] writeBuffer,
int writeOffset,
int writeCount,
ushort[] readBuffer,
int readOffset,
int readCount,
ByteOrder byteOrder,
int startReadingAtOffset = 0)
{
ConfigureBusForDevice(config);
//todo validate byte order
_spotSpi.WriteRead(writeBuffer, writeOffset, writeCount, readBuffer, readOffset, readCount, startReadingAtOffset);
}
private void ConfigureBusForDevice(SpiDeviceConfig config)
{
int newHash = config.GetHashCode();
if (newHash == _lastConfigHash)
{
return;
}
//todo optomize better by building a simple registry table
_spotSpi.Config = new SPI.Configuration(config.ChipSelect.Pin,
config.ChipSelect.ActiveState,
config.ChipSelect_SetupTime,
config.ChipSelect_HoldTime,
config.Clock_IdleState,
config.Clock_Edge,
config.Clock_RateKHz,
_module);
//todo include feedback signal
_noOpBuffer[0] = config.NoOpCommand;
_lastConfigHash = newHash;
}
public void Write(SpiDeviceConfig config, ushort[] buffer, ByteOrder byteOrder)
{
ConfigureBusForDevice(config);
//todo validate byte order
_spotSpi.Write(buffer);
}
public void Write(SpiDeviceConfig config, byte[] buffer)
{
ConfigureBusForDevice(config);
_spotSpi.Write(buffer);
}
public void Read(SpiDeviceConfig config, byte[] buffer)
{
ConfigureBusForDevice(config);
_spotSpi.WriteRead(_noOpBuffer, buffer, 0);
}
