/// <summary>
/// Writes bytes to I2C device from provided buffer
/// </summary>
/// <param name="deviceAddress">7-bit address of the I2C device</param>
/// <param name="flag">FT260_I2C_FLAG</param>
/// <param name="buffer">byte array to write from</param>
/// <param name="bytesToWrite">number of bytes to write from the buffer</param>
/// <returns>StatusResults(FT260_STATUS, FT260_CONTROLLER_STATUS)</returns>
public StatusResults Write(byte deviceAddress, FT260_I2C_FLAG flag, byte[] buffer, uint bytesToWrite)
{
var ftStatus = FT260_STATUS.FT260_OTHER_ERROR;
uint bytesWritten = 0;
var status = FT260_CONTROLLER_STATUS.idle;
var size = (int)(Marshal.SizeOf(buffer[0]) * bytesToWrite);
var pntr = Marshal.AllocHGlobal(size);
try
{
Marshal.Copy(buffer, 0, pntr, (int)bytesToWrite);
}
finally
{
//Marshal.FreeHGlobal(pntr);
}
if (
(ftStatus =
FT260_I2CMaster_Write(ft260Handle, deviceAddress, flag, pntr, bytesToWrite, out bytesWritten)) == FT260_STATUS.FT260_OK)
{
if (bytesWritten != bytesToWrite)
{
ftStatus = FT260_STATUS.FT260_OTHER_ERROR;
}
}
byte controllerStatus = 0;
if (FT260_I2CMaster_GetStatus(ft260Handle, out controllerStatus) == FT260_STATUS.FT260_OK)
{
status = (FT260_CONTROLLER_STATUS)controllerStatus;
}
Marshal.FreeHGlobal(pntr);
return(new StatusResults(ftStatus, status));
}
public static extern FT260_STATUS FT260_I2CMaster_Write(IntPtr ft260Handle, byte deviceAddress, FT260_I2C_FLAG flag, IntPtr lpBuffer, uint dwBytesToWrite, out uint lpdwBytesWritten);
public static extern FT260_STATUS FTFT260_I2CMaster_Read(IntPtr ft260Handle, byte deviceAddress, FT260_I2C_FLAG flag, IntPtr lpBuffer, uint dwBytesToRead, out uint lpdwBytesReturned);
