Ftdi Port Devices Driver

  



The package provides the installation files for FTDI USB Serial Port Driver version 2.12.16.0. If the driver is already installed on your system, updating (overwrite-installing) may fix various. The COM stands for 'communication', and each one has a unique number, known as the COM Port number. In this case the COM Port number is COM3. If you don't see the COM port verify the cable is plugged in, and check that you installed the VCP FTDI driver. Then right click and select Properties.


On Thu, Jun 2, 2016 at 9:33 AM, E.S. Rosenberg <es.rosenberg+libftdi.i2net@xxxxxxxxx> wrote:
That sounds correct, from my experience with the Open Lighting Architecture ftdi driver you need a separate context for each port (I modified it to support a 4-port single FTDI device), so devices would definitely need their individual context.
HTH,
Eli

Ftdi
2016-06-01 18:50 GMT+03:00 Ales Fiala <ales.fiala@xxxxxxxxxxx>:
I am trying to understand how to open and use multiple FTDI devices in the same program.
I am using ftdi_usb_find_all() to enumerate the devices and then ftdi_usb_open_dev() to open each one and identify it. Afterwards I close each device. I do this part with just one ftdi_context.
Now that I found all the devices I want to open each selected device and keep it open for reading and writing. I notice that ftdi_context contains the following:
  • libusb_device_handle
  • readbuffer
  • eeprom

All this makes me believe that I need a separate ftdi_context for each device that I want to access. Am I on the right track? Mapletronics driver download pc.

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Using the ftdi_device_list that I found above I want to create a new context for each device and open it.

I tried doing

ftdi_new();
ftdi_usb_open_dev();

for each device using the old device list. But I get a SIGSEGV somewhere in the depths of usb_open() in libusb. I am thinking it is because I used a device list created with one context and now am trying to open the same device using a different context.

So how do I accomplish what I want? Any advice would be appreciated.

Regards

Ales Fiala



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Ftdi Port Devices Driver Updater



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