/// <summary>
/// Configure for FT230XS.
/// </summary>
/// <param name="dev">The usb device to try to configure.</param>
/// <returns>Returns true on success.</returns>
public static bool ConfigureFTDI(UsbLinkDevice dev)
{
byte request;
ushort value;
ushort index;
// Reset command.
request = 0x00;
value = 0x0000; // Purge RX & TX.
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set modem control reg.
request = 0x01;
value = 0x0000; //0x0000 = DTR & RTS off.
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set flow control.
request = 0x02;
value = 0x0000; // No Xon & Xoff.
index = 0x01; // Port A + no flow control.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set baud rate.
request = 0x03;
value = 0x0034; // 57600 => div=0x34, subdiv = 0x03 => 0xC000.
index = 0x0; // Index used for Baud High, set bit 0 to zero. Not used for Port number.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set data.
request = 0x04;
value = 0x0008; // 8 bit data, no parity, 1 stop bit, no break.
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set event char.
request = 0x06;
value = 0x0000; // None.
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set error char.
request = 0x07;
value = 0x0000; // None.
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set latency timer.
request = 0x09;
value = 0x002; // Or 2 ms!
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
// Set bit mode.
request = 0x0B;
value = 0x0000; // 0x0000 = Off. Or should it be 0x4000?
index = 0x1; // Port A.
if (!dev.ControlTransfer(UsbCh9.USB_TYPE_VENDOR, request, value, index))
{
return(false);
}
return(true);
}
// Returns true if device was switched into Android accessory mode.
// Note: only use u for ControlTransfer since vid/pid may be stale.
public static bool TryOpeningAccessory(UsbLinkDevice u)
{
byte[] ioBuffer = new byte[2];
int outLen = 0;
bool response;
string serialNumber = ACCSerialNumber;
if (String.IsNullOrWhiteSpace(serialNumber) || (serialNumber.Length < 2))
{
serialNumber = Settings.SerialNumberFormatter(Lima.GetComputerCode(), 'B', 'X');
}
// response = u.mUsb.ResetDevice();
// if(!response) { ShowLastError(); return null; }
// Note: this clears strings on device too.
response = u.ControlTransfer(UsbRqstInVendor, ACCESSORY_GET_PROTOCOL, 0, 0, ioBuffer, 2, 0, out outLen);
if (!response)
{
return(false);
}
TmpDevVersion = ioBuffer[1] << 8 | ioBuffer[0]; //This should be >0 if Accessory mode supported.
if (TmpDevVersion == 0)
{
return(false);
}
Thread.Sleep(1000); // Allow space after In cmd otherwise sometimes hangs on the next transfer.
ioBuffer = Encoding.UTF8.GetBytes(Settings.AppManufacturer); // Strings must be in UTF8 encoding.
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_SEND_STRING, 0, ACCESSORY_STRING_MANUFACTURER, ioBuffer, ioBuffer.Length);
if (!response)
{
return(false);
}
ioBuffer = Encoding.UTF8.GetBytes(Settings.AppModelName);
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_SEND_STRING, 0, ACCESSORY_STRING_MODEL, ioBuffer, ioBuffer.Length);
if (!response)
{
return(false);
}
ioBuffer = Encoding.UTF8.GetBytes(Settings.AppDescription);
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_SEND_STRING, 0, ACCESSORY_STRING_DESCRIPTION, ioBuffer, ioBuffer.Length);
if (!response)
{
return(false);
}
ioBuffer = Encoding.UTF8.GetBytes(Settings.AppVersion);
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_SEND_STRING, 0, ACCESSORY_STRING_VERSION, ioBuffer, ioBuffer.Length);
if (!response)
{
return(false);
}
ioBuffer = Encoding.UTF8.GetBytes(Settings.AppURI);
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_SEND_STRING, 0, ACCESSORY_STRING_URI, ioBuffer, ioBuffer.Length);
if (!response)
{
return(false);
}
ioBuffer = Encoding.UTF8.GetBytes(serialNumber);
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_SEND_STRING, 0, ACCESSORY_STRING_SERIAL, ioBuffer, ioBuffer.Length);
if (!response)
{
return(false);
}
// Control request for starting device in accessory mode.
// The host sends this after setting all its strings to the device.
response = u.ControlTransfer(UsbRqstOutVendor, ACCESSORY_START, 0, 0);
Thread.Sleep(2000); // Allow time to switch.
return(response);
}