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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.

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Official Web Site

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FTDI D2xx android java not reading

I am currently porting some code I have form C# to Java to run in on an Android system. In my code, I have to read some data from a board that has a FTDI chip. I am trying to use the java drivers from the FTDI website. I can connect to the device…
Bovaz
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Do Android devices need to supply power over USB in order to support custom USB accessories?

In the various tutorials for building an Android accessory that uses a USB connection, the first step is to "Select a hardware platform that can support USB host mode." Most of these tutorials claim that that means obtaining a device that is…
Troy
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Cross compile FTDI VCP Driver for embedded linux arm

I'm trying to cross compile the FTDI VCP Driver for my embedded arch linux arm machine. I downloaded the source files from http://www.ftdichip.com/Drivers/VCP.htm onto my host machine which is running kernel: 2.6.32-54-generic-pae When running the…
user3215598
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Receiving data using USB Host and FTDI device

I am working on a program that will allow me to exchange data between my Android phone and a micro-controller that uses and FTDI chip (FT232R) for USB communications. So far, I have successfully created a thread that allows me to perform USB…
Willis
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"NULL expression encountered" on FTDI's libMPSSE

My question is specific to the library libMPSSE from FTDI to work with USB to serial port (SPI, I2C, etc) adapters on Linux. When I execute any program linked with the library, the method Init_libMPSSE() is called (without explicit invocation) and…
Ferite
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Using FTD2XX_NET managed .NET wrapper class to read real time temperature data

I have a problem reading real time temperature data from the DS18B20+ sensor on a DLPIO20 device. I'm using the FTD2XX.DLL .NET wrapper (version 1.0.14) on the Windows platform (as per link:…
coleg
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What's going on after DTR/RTS is sent to an FTDI-based Arduino board?

I'm working over a sketch to enable uploading from an Android device to an Arduino board, and it works for Duemilanove (FTDI-based) and Arduino Uno (ATmega-based) when testing for PC/Arduino using rxtx (pure Java). But it does not work when using…
4ntoine
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Fulfilling missing .so file in libftdi

I am using ft232r library provided by ftdi for programming an LPC11C14 micro-controller through Linux Mint. To initialize the software, I need to run the following command: ./ft232r_prog --manufacturer Sunswift --product $(PROJECT_NAME)…
John
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Retrieval of the error counters via TIOCGICOUNT returns always error (-1)

I have come across a show stopping problem when developing an interface application for a USB to RS422 converter module. I need to retrieve the UART error counters for framing, overrun, parity and break errors. But the call to ioctl always returns…
Eduard B
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How to mount an FTDI USB device to a docker container?

I would like to be able to access an FTDI serial-to-usb bridge device plugged into a host computer from within a Docker container. From there, I am using a Python script with the pyusb and libusb libraries to process the USB output. That way, I can…
ThunderBolt84
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DLL silently ignored even though the library links

I'm using a third part DLL that I've used successfully for ages. Now the linker links the dll lib without complaint but the exe doesn't load the dll. I recently upgraded from the 32 bit to 64 bit cygwin. I'm doing a mingw cross compile to 32…
oksteve
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FT232H user space GPIO device

I have a FT232H breakout board by Adafruit. I'd like for that device to appear in Ubuntu as a user space GPIO device so I can use it with libgpiod. I've found these patches to the ftdi_sio Kernel driver that seem to say they enable this. Looking at…
Ryan
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C# FTDI Multithreaded Write

Using FTDI D2XX drivers to work with FTDI's USB to Serial and an embedded FT232RL, running into an issue where the FTDI Write is Failing with FT_IO_ERROR after 10+ hours of operation, and subsequently the port dies. WES7, C#, .net 4.0. …
hi5spidey
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Parallel (buffered) readout of multiple I2C devices, python 3

For experimental measurements of human balance, I would like to connect and read out multiple I2C sensors (gyro/mag/accelerometer, such as this one). I have managed to hook them up (libftdi+python3.7) and can read from single registers. However, I…
falkm
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How to access a FTDI USB device in a UWP app?

I'm using FTDI's managed wrapper for the ftd2xx.dll of their D2XX driver to access a USB device. The wrapper works as expected when it is used in a .NET Framework or .NET Core console application. However, when I use the wrapper in a UWP (Universal…
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