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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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Communication with DLP-IO20 (using a FTDI chip) on linux

I'm trying to communicate with th DLP-IO20 board on linux (ubuntu) but I get an error every time. The same program under windows works well. In order to communicate with the board, I first installed all the FTDI drivers, then I generated a library…
Alboz
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Not able to enable FT2232h (FTDI) Pin

I am trying to enable ft2232h ftdi pin for my project application but i am not getting high pulse on oscilloscope. I am using below python code and link through visual studio.... https://iosoft.blog/2018/12/02/ftdi-python-part-1/ However i am…
DHARMENDRA KUMAR SINGH Singh
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Issues with FTDI Driver using PyUSB/libusb

I'm running into issues reading from a USB device using PyUSB. If I run import usb.core dev = usb.core.find(idVendor=0x0403, idProduct=0x6001, serial_number="GAFR0000") if dev is None: raise ValueError('Not…
mugnuff
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LIBUSB for FTDI2232 to use I2C mode

Please help me to support this question: Due to, we have used FTDI2232H and need to use “LIBUSB" to control FTDI2232H. I want to ask How to control FTDI2232H related programs/code through LIBUSB. 1.To change MPSS mode to interface2? 2.To open iic…
TOMTSENG
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Unable to open ftdi device with vid 0403, pid 6010

I'm trying to build this example for my ECP5 evaluation board. It runs fine until the upload to the FPGA is supposed to start. It then gives me this error: Error: libusb_open() failed with LIBUSB_ERROR_ACCESS Error: no device found Error: unable to…
Anteino
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FTDI Multithreaded Read

I have the following problem and hope someone can help me. My basic flow: I want to program any number of devices in parallel using the FTDI D2XX driver and then communicate with them for testing purposes. For this I use two arrays from…
user15098727
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FTDI RS232 EEPROM

The cable we bought from the company is working. We bought the same cable, but the cable we bought does not work. No password security etc. Orginal Working Cable FT_Prog EEPROM Device: 0 [Loc ID:0x12] Word MSB 0000: 4000 0403 6001 0600 9680 0008…
EmirKorkmaz
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Closing FTDI Comm port with CloseHandle() takes a lot of time

I'm working in a C/C++ program that communicates with a RS232 device. The port is opened using CreateFile() hComm = CreateFile(DevPath, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL); Then, the port is Setup using…
Carles
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Trying to read data from old gadget with pylibftdi fails

I have a small USB device from Windows XP times. It receives a sea weather report on a special frequency and transmits it in text form. This requires a program and driver that only runs on Windows XP. (Old Page here:…
F. E.
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c# FTDI 24bit two's complement implement

I am a beginner at C# and would like some advice on how to solve the following problem: My code read 3 byte from ADC true FTDI ic and calculating value. Problem is that sometimes I get values under zero (less than 0000 0000 0000 0000 0000 0000) and…
mrkefca
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How to modify FTDI default .INF without needing digitally signing again?

I need to modify the default latency on the FTDI drivers as it often gets reset when the device gets reconnected, but when I modify the default configuration file I get an error from windows saying that "The hash for the file is not present" and…
birdistheword99
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Arduino takes too long to upload, avrdude: ser_drain() error (macOS Big Sur)

I'm having trouble uploading basic sample sketches to my arduino Lilypad. It takes a really long time to upload (1-3 minutes) after compiling. The IDE shows that the sketch has been uploaded, however, the console shows nothing. Everytime I plug in…
mosmos
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Unable to find ttyUSB*

I have a PYNQ-Z2 board and it contains FT2232HQ chip, which convert data from USB to JTAG and UART The problem is the board is working and is detected by Vivado (I can program it), but the device doesn't show up as /dev/ttyUSB* device, it shows up…
Abady
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FTDI D2XX write then read, however result is empty

I am trying to get a basic example working using the D2XX driver from FTDI to write a command and read back the result. (I am using D2XX since I want access to the FTDI eeprom user area memory). I have included here the code, which is based on an…
Jesse RJ
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Is there any way we can change the default baud rate of FT230X devices in ubuntu 20.04 system?

I have an FT230X device from FTDI, Which is preconfigured for 115200 baud rate by default. For windows system, they have provided FT_PROG utility for changing settings, but for Linux FT2XX device driver is there. I am able to change the baud rate…
Vikas Singh
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