Anyone has this issue. It works ok with the FTDI.
But my production boards have prolific, so has to solve it
private static void UsbSerialConnected(object sender, UsbSerial usbSer)
{
Program.DB_Print("UsbSerialConnected");
usbSerial = usbSer;
usbSerial.BaudRate = 9600; <== Exception here
usbSerial.DataReceived += usbSerial_DataReceived;
}
UsbSerialConnected
#### Exception System.Exception - 0xffffffff (7) ####
#### Message:
#### GHI.Usb.Host.UsbSerial::NativeSetBaudRate [IP: 0000] ####
#### GHI.Usb.Host.UsbSerial::set_BaudRate [IP: 0010] ####
#### GHI.Usb.Host.Controller::OnUsbSerialConnected [IP: 000d] ####
#### GHI.Usb.Host.Controller::OnConnect [IP: 00b0] ####
#### GHI.Utilities.InternalEvent::RaiseEvent [IP: 000d] ####
#### GHI.Utilities.InternalEvent::OnEvent [IP: 003e] ####