private int _ConnectDevice()
{
uint index, bitRate;
var sbVersion = new StringBuilder(10);
string version;
int result;
ushort[] deviceIndex = new ushort[16];
string[] deviceSerialNumber = new string[16];
version = Mcp2221Api.Mcp2221GetLibraryVersionApi();
if (!version.Equals("2.2b"))
{
MessageBox.Show("MCP2221 library: " + sbVersion.ToString() + " != 2.2b !!");
goto error;
}
Mcp2221Api.Mcp2221FindDevicesExtApi(16, deviceIndex, 16, deviceSerialNumber);
if (mcp2221Adapter != IntPtr.Zero)
{
return(0);
}
if (Mcp2221Api.Mcp2221GetConnectedDevicesApi() < 0)
{
goto error;
}
uint.TryParse(tbBitrate.Text, out bitRate);
bitRate = bitRate * 1000;
if ((bitRate < 46875) || (bitRate > 500000))
{
MessageBox.Show("bitRate out of range: " + bitRate);
goto error;
}
uint.TryParse(tbPort.Text, out index);
mcp2221Adapter = Mcp2221Api.Mcp2221OpenByIndexApi(index);
if (mcp2221Adapter == IntPtr.Zero)
{
goto error;
}
result = Mcp2221Api.Mcp2221SetBitrateApi(mcp2221Adapter, bitRate);
if (result < 0)
{
MessageBox.Show("Mcp2221_SetSpeed() fail: " + result);
goto error;
}
return(0);
error:
return(-1);
}
