/// <summary>
/// Reads data from the specified address.
/// </summary>
/// <param name="address">The address.</param>
/// <param name="count">The count. Recommended 32 as maximum.</param>
/// <returns>The byte array that was read.</returns>
public byte[] Read(byte address, int count)
{
var data = new byte[7];
data[0] = 0x04; // Set Address
data[1] = address; // Address Literal
data[2] = 0x02; // Start Condition
data[3] = 0x06; // Write Command
data[4] = Convert.ToByte(count); // data length;
data[5] = 0x03; // Stop condition
data[6] = 0x00; // End command;
var output = new byte[count];
var outCount = BoardException.ValidateResult(
I2c.BbI2CZip(Handle, data, Convert.ToUInt32(data.Length), output, Convert.ToUInt32(output.Length)));
if (output.Length == outCount)
{
return(output);
}
var result = new byte[outCount];
Buffer.BlockCopy(output, 0, result, 0, outCount);
return(result);
}
/// <summary>
/// Writes data to the specified address.
/// </summary>
/// <param name="address">The address.</param>
/// <param name="buffer">The buffer. Recommended 32 bytes max.</param>
public void Write(byte address, byte[] buffer)
{
var data = new byte[7 + buffer.Length];
data[0] = 0x04; // Set Address
data[1] = address; // Address Literal
data[2] = 0x02; // Start Condition
data[3] = 0x07; // Write Command
data[4] = Convert.ToByte(data.Length); // data length;
data[data.Length - 2] = 0x03; // Stop condition
data[data.Length - 1] = 0x00; // End command;
// copy buffer data to command
Buffer.BlockCopy(buffer, 0, data, 5, data.Length);
var output = new byte[32];
BoardException.ValidateResult(
I2c.BbI2CZip(Handle, data, Convert.ToUInt32(data.Length), output, Convert.ToUInt32(output.Length)));
}