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libftdi version 1.6rc1
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libftdi - A library (using libusb) to talk to FTDI's UART/FIFO chips
including the popular bitbang mode.

The following chips are supported:
* FT230X
- FT4232H / FT2232H
- FT232R  / FT245R
- FT2232L / FT2232D / FT2232C
- FT232BM / FT245BM (and the BL/BQ variants)
- FT8U232AM / FT8U245AM

libftdi requires libusb 1.x.

The AUTHORS file contains a list of all the people
that made libftdi possible what it is today.

Changes
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* New ftdi_set_module_detach_mode() API function
* ftdi_eeprom / eeprom handling:
  * Fix checksum calculation for FT230X series
  * Support readout of "user_data_addr" value
  * Remove legacy EEPROM fields from FT4232H
  * Don't set EEPROM serial when it's not used
  * ftdi_eeprom_initdefaults() now takes const arguments
  * Don't spam stderr when flashing FT232H eeprom
  * EEPROM decoder: Show C/D channel mode for FT4232, B channel mode for FT2232C
* CMake build system:
  * Bump minimal required version to 3.15
  * Fix building as a subproject
  * Add SHAREDLIBS option
  * Fix multiarch support
  * Rework findlibusb module
  * Fix static build with libusb and -latomic
  * Modernize Boost detection for the unit tests when using CMake 3.30+
* Python wrapper:
  * Update for SWIG 4.3
  * Rework Python interpreter and development files detection
  * Fix race during build of python bindings causing random build failures
  * Move from distutils to sysconfig
* C++ wrapper: Use std::unique_ptr, get rid of the Boost dependency
* MSVC/Windows build fixes:
  * Fix building static library on Windows/MSVC
  * Fix shadowed variable warnings
  * Fix warnings by using all enum values in case statements
  * Quiet uninteresting warnings
* Various bug fixes and code improvements:
  * Fix uninitialized variable warning in ftdi_read_eeprom_location()
  * Fix GCC fall-through warnings
  * Fix ftdi_readstream() timeout setting
  * Don't error out when optional strings are missing
* Add .editorconfig file for consistent code style
* Ignore various IDE temp files (JetBrains, VSCode, clangd)
* License clarifications:
  * Fix wrong LGPL version in the "LICENSE" readme:
    * Clarify main libftdi library is LGPL v2.1 only
    * Clarify ftdi_eeprom is GPL v2 only
  * SPDX license tags added in 2019 were already correct
  * Update COPYING.LIB to LGPL v2.1 after clarifications

You'll find the newest version of libftdi at:
https://www.intra2net.com/en/developer/libftdi


Quick start
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mkdir build
cd build

cmake -DCMAKE_INSTALL_PREFIX="/usr" ../
make
make install

More verbose build instructions are in "README.build"

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www.intra2net.com                             2003-2026 Intra2net AG
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