public SpiParameterBuilder frequency(SpiFrequency freq)
{
config[4] |= (byte)((byte)freq << 3);
return(this);
}
public async Task <byte[]> ReadSPIAsync(byte length, byte slaveSelectPin, byte clockPin, byte mosiPin, byte misoPin, byte mode, SpiFrequency frequency,
byte[] data = null, bool lsbFirst = true, bool useNativePins = true)
{
SpiParameterBuilder builder = new SpiParameterBuilder((byte)((length - 1) | (DIRECT_SPI_READ_ID << 4)));
builder.slaveSelectPin(slaveSelectPin)
.clockPin(clockPin)
.mosiPin(mosiPin)
.misoPin(misoPin)
.mode(mode)
.frequency(frequency);
if (lsbFirst)
{
builder.lsbFirst();
}
if (useNativePins)
{
builder.useNativePins();
}
if (data != null)
{
builder.data(data);
}
var response = await spiReadTask.Execute("Did not received SPI data within {0}ms", bridge.TimeForResponse,
() => bridge.sendCommand(SERIAL_PASSTHROUGH, Util.setRead(SPI_RW), builder.build()));
if (response.Length > 3)
{
byte[] dataInner = new byte[response.Length - 3];
Array.Copy(response, 3, dataInner, 0, dataInner.Length);
return(dataInner);
}
else
{
throw new InvalidOperationException("Error reading SPI data from device or register address. Response: " + Util.arrayToHexString(response));
}
}
public void Read(byte slaveSelectPin, byte clockPin, byte mosiPin, byte misoPin, byte mode, SpiFrequency frequency,
byte[] data = null, bool lsbFirst = true, bool useNativePins = true)
{
SpiParameterBuilder builder = new SpiParameterBuilder((byte)((spiByteArray.attributes.length() - 1) | (id << 4)));
builder.slaveSelectPin(slaveSelectPin)
.clockPin(clockPin)
.mosiPin(mosiPin)
.misoPin(misoPin)
.mode(mode)
.frequency(frequency);
if (lsbFirst)
{
builder.lsbFirst();
}
if (useNativePins)
{
builder.useNativePins();
}
if (data != null)
{
builder.data(data);
}
byte[] parameters = builder.build();
byte[] command = new byte[spiByteArray.eventConfig.Length - 1 + parameters.Length];
Array.Copy(spiByteArray.eventConfig, 0, command, 0, 2);
Array.Copy(parameters, 0, command, 2, parameters.Length);
bridge.sendCommand(command);
}
public void WriteSPI(byte slaveSelectPin, byte clockPin, byte mosiPin, byte misoPin, byte mode, SpiFrequency frequency,
byte[] data, bool lsbFirst = true, bool useNativePins = true)
{
if (bridge.lookupModuleInfo(SERIAL_PASSTHROUGH).revision >= SPI_REVISION)
{
SpiParameterBuilder builder = new SpiParameterBuilder();
builder.slaveSelectPin(slaveSelectPin)
.clockPin(clockPin)
.mosiPin(mosiPin)
.misoPin(misoPin)
.mode(mode)
.frequency(frequency);
if (lsbFirst)
{
builder.lsbFirst();
}
if (useNativePins)
{
builder.useNativePins();
}
if (data != null)
{
builder.data(data);
}
bridge.sendCommand(SERIAL_PASSTHROUGH, SPI_RW, builder.build());
}
}
public Task <byte[]> ReadSPIAsync(byte length, byte slaveSelectPin, byte clockPin, byte mosiPin, byte misoPin, byte mode, SpiFrequency frequency,
byte[] data = null, bool lsbFirst = true, bool useNativePins = true)
{
spiReadTask = new TaskCompletionSource <byte[]>();
spiReadTimeout = new Timer(e => spiReadTask.SetException(new TimeoutException("Reading spi data timed out")), null, MetaWearBoard.COMMS_TIMEOUT, Timeout.Infinite);
SpiParameterBuilder builder = new SpiParameterBuilder((byte)((length - 1) | (DIRECT_SPI_READ_ID << 4)));
builder.slaveSelectPin(slaveSelectPin)
.clockPin(clockPin)
.mosiPin(mosiPin)
.misoPin(misoPin)
.mode(mode)
.frequency(frequency);
if (lsbFirst)
{
builder.lsbFirst();
}
if (useNativePins)
{
builder.useNativePins();
}
if (data != null)
{
builder.data(data);
}
bridge.sendCommand(SERIAL_PASSTHROUGH, Util.setRead(SPI_RW), builder.build());
return(spiReadTask.Task);
}
