public override void WriteRead(byte[] writeBuffer, int writeOffset, int writeLength, byte[] readBuffer, int readOffset, int readLength, out int numWritten, out int numRead)
{
numWritten = 0;
numRead = 0;
if (readLength == 0 && writeLength == 0)
{
return;
}
else if (readLength == 0 && writeOffset == 0)
{
numWritten = Execute(Hardware.I2CDevice.CreateWriteTransaction(writeBuffer));
}
else if (writeLength == 0 && readOffset == 0)
{
numRead = Execute(Hardware.I2CDevice.CreateReadTransaction(readBuffer));
}
else if (readOffset == 0 && writeOffset == 0)
{
int bytes = Execute(Hardware.I2CDevice.CreateWriteTransaction(writeBuffer), Hardware.I2CDevice.CreateReadTransaction(readBuffer));
numWritten = Math.Min(bytes, writeLength);
numRead = bytes - numWritten;
}
else
{
Hardware.I2CDevice.I2CTransaction writeTransaction = null;
Hardware.I2CDevice.I2CTransaction readTransaction = null;
Hardware.I2CDevice.I2CTransaction[] transactions = new Hardware.I2CDevice.I2CTransaction[1];
int count = 0;
if (writeLength > 0)
{
transactions[0] = writeTransaction = Hardware.I2CDevice.CreateWriteTransaction(writeBuffer);
count++;
}
if (readLength > 0)
{
if (count > 0)
{
transactions = new Hardware.I2CDevice.I2CTransaction[2];
transactions[0] = writeTransaction;
}
transactions[count] = readTransaction = Hardware.I2CDevice.CreateReadTransaction(readBuffer);
}
int bytes = Execute(transactions);
numWritten = Math.Min(bytes, writeLength);
numRead = bytes - numWritten;
}
}
public override void WriteRead(byte[] writeBuffer, int writeOffset, int writeLength, byte[] readBuffer, int readOffset, int readLength, out int numWritten, out int numRead)
{
numWritten = 0;
numRead = 0;
if (readLength == 0 && writeLength == 0)
{
return;
}
else if (readLength == 0 && writeOffset == 0)
{
numWritten = Execute(Hardware.I2CDevice.CreateWriteTransaction(writeBuffer));
}
else if (writeLength == 0 && readOffset == 0)
{
numRead = Execute(Hardware.I2CDevice.CreateReadTransaction(readBuffer));
}
else if (readOffset == 0 && writeOffset == 0)
{
int bytes = Execute(Hardware.I2CDevice.CreateWriteTransaction(writeBuffer), Hardware.I2CDevice.CreateReadTransaction(readBuffer));
numWritten = Math.Min(bytes, writeLength);
numRead = bytes - numWritten;
}
else
{
Hardware.I2CDevice.I2CTransaction writeTransaction = null;
Hardware.I2CDevice.I2CTransaction readTransaction = null;
Hardware.I2CDevice.I2CTransaction[] transactions = new Hardware.I2CDevice.I2CTransaction[1];
int count = 0;
if (writeLength > 0)
{
transactions[0] = writeTransaction = Hardware.I2CDevice.CreateWriteTransaction(writeBuffer);
count++;
}
if (readLength > 0)
{
if (count > 0)
{
transactions = new Hardware.I2CDevice.I2CTransaction[2];
transactions[0] = writeTransaction;
}
transactions[count] = readTransaction = Hardware.I2CDevice.CreateReadTransaction(readBuffer);
}
int bytes = Execute(transactions);
numWritten = Math.Min(bytes, writeLength);
numRead = bytes - numWritten;
}
}
