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Questions tagged [ftdi]

Future Technology Devices International, commonly known by its acronym FTDI, is a semiconductor device company, specializing in Universal Serial Bus (USB) technology and converters from USB to other (UART, I²C, SPI etc.) communication buses.

Useful Links:

Official Web Site

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How can I send data via a FT232R chip /PL2303 to display characters /string on the receiving device?

I am sending data from an android app to a medical device via usb. I am using a FTDI RS232 Cable (which has a FT232RL chip) and I also use a Prolific cable (which has a PL2303 chip). I can send characters / string values over the cables. However my…
BioengineerDavid
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FTDI via libusb error EPIPE

I'm trying to work with an FTDI-based USB device and I'm getting a -32 (EPIPE) error: 08-06 16:32:16.328: WARN/System.err(15547): ftdi_usb_open_dev() 08-06 16:32:16.328: WARN/System.err(15547): usb_detach_kernel_driver_np()libusb: 0.029116 debug…
4ntoine
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Matlab and FTDI

I am trying to send/retreieve data from/to FPGA using Matlab. I connected FPGA using Virtual com port. Now how to send data from Matlab to FPGA or read data of FPGA ? FTDI 2232H is on the FPGA as well. I connected external LED's and switches on…
Nabeel
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Using glib and gtk+ to control ftdi device over USB

I am developing a simple application in C with GTK+2.0 GUI, on Linux of course, this application is designed to control a device which is connected over the USB port and is using FTDI driver to emulate RS232 asynchronious protocol over the USB…
Marek
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Howto use the OpenBy[...] functions of FTD2XX_NET

I want to list all COM ports, which are virtual ports of FTDI controllers. To accopolish that, I tried to use the methods GetDeviceList and OpenBySerialNumber, provided by the official .NET wrapper ("FTD2XX_NET") for the official FTDI…
Cellcon
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Reading from FTDI sync FT245 FIFO returns zero bytes

Hello I am developing simple DSO and I have problem with FT245 sync FIFO. Reading from FT245 works normally when I read 4byte acknowledges, but when I want to retrieve sampled data it returns zero bytes (meaning ftdi_read_data returns 0,…
Bruno Kremel
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VB.NET compatibility issue between versions 4.0 and 4.5

I'm writing a program on VB.NET, using a WIN8, 64-bit computer. I have the .NET 4.5 framework installed. I'm having a hard time running the program on a WINXP 32-bit computer, which has the .NET 4.0 framework. I tried running the .EXE file from the…
Eyal D
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DMX USB Pro(FTDI) works very sporadically

I've been trying to write a C# application that send data to a stage light using the Enttec DMX USB Pro box. There are provided C# wrappers that I'm using and I've gotten the light to respond as expected but it very rarely works. I seem to have to…
John Lotacs
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I have a c# windows form program in which I plan to use the FTDI FTD2XX_NET library

I have a c# windows form program which uses the FTDI FTD2XX_NET library. How can I use specific FT_ commands like FT_GetDeviceInfo, FT_GetDriverVersion, etc? I have found in another answer this: FTD2XX_NET.FTDI.FT_STATUS ftStatus =…
Epi
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winforms: Reading from serialport and plotting real time data. Many errors/bugs

I'm trying to acquire data from an MCU, save them to a file and plot them. The code functions properly for some time, then just hangs randomly (sometimes after 1 sec, sometimes after 1 minute ...!). Also the serialport timeouts are not respected,…
H_squared
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FTDI d2xx android communication

I've been trying to use TN_134 FTDI Android D2XX Driver and the test application, and failed miserably. LogCat tells me that it unable to load the .jni file and the app crashes every time it tries to... The .jni library cannot be loaded, because my…
TibiG
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Communication between a BeagleBoard and an Arduino Pro Mini through an FTDI adapter

I'm working on a project in which i have to connect a BeagleBoard and an Arduino Pro Mini for communication. I tried the USB-FTDI way. I have installed all kernel modules, ftdi-sio , usbserial module, but nothing appear in /dev. I try it in Ångström…
elyas
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Set initial state as input on pins using FTDI device FT4232H

I am using a USB device from FTDI called FT4232H and I want to write on the EEPROM to make sure that some pins are set to inputs at start. I am using the D2XX drivers (pdf here). Here I found at page 106 that there is a struct called…
Olppah
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Latency or context shift time when a function exported by a Windows DLL is called from a Windows exe

I need help on this. I am seeing Latency or context shift time when a function exported by a Windows DLL is called from a Windows exe. How one concluded this is that most of the times the DLL exported function is seen to get completed in under 1…
user1960734
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How to avoid library finding CMakeLists feature

I'm trying to adjust 3rd person code to my needs. This code is provided with CMake config files used to build and install it. There is possibility to choose one of libraries. And in code is often used #ifdef USE_FTD2XX directive. I saw that this is…
bLAZ
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