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Changelog {#changelog}

This changelog is meant as a quick & rough guide to what has changed between versions. The API is now fairly stable but when new calls/features are added they are listed here. Anything pre 0.2.x is ignored.

1.0.0

  • Change API to enhance error checking in C. Changes include:
    • mraa_aio_read
    • mraa_i2c_read_byte
    • mraa_i2c_read
    • mraa_i2c_read_byte_data
    • mraa_i2c_read_word_data
    • mraa_spi_write_word
    • mraa::Spi:write_word becomes mraa::Spi::writeWord
  • Remove MRAA_ERROR_PLATFORM_ALREADY_INITIALISED which was deprecated for C89 compatibility
  • Remove pwm config_* apis as unused
  • Add mraa_remove_subplatform
  • Support NPM for android
  • Fix AIO always returning channel 0 with firmata support

0.10.1

  • Remove imraa from node package

0.10.0

  • Add Firmata support with -DFIRMATA=ON
  • Add imraa with support for pinmuxing and arduino101 flashing
  • Add better support for NVM installed node via NODE_ROOT_DIR.
  • Mraa bindings now link to libmraa.so.x
  • mraa_init() now returns MRAA_SUCCESS if platform is already initialize
  • Mraa java bindings now support JNI 1.6+
  • Added support for a02082 rpi2
  • Mraa has a logo!

0.9.6

  • ftdi ft4222 now dynamically loaded
  • FT4222 improved ISR code

0.9.5

  • Add support for the UP board (up-board.org)
  • Support OpenJDK 7 as well as OpenJDK 8
  • 96board better pin numbering
  • node v4 improvements
  • Support for PCA9555 i2c expander read/write on FT4222

0.9.4

  • Fix issue with edison ADC initilisation
  • documentation update

0.9.3

  • Intel edison detection much improved
  • ftdi ft4222 interrupt improvement
  • small fixes to java lib

0.9.2

  • Fix bug with mraa_init & USBPLAT
  • Add mraa_gpio_read_dir call
  • Enable cherryhill/braswell platform
  • Improved 96 board support

0.9.1

  • Minnowboard Turbot support
  • Change to java runables for ISR support
  • New platform version call
  • Default i2c bus on edison miniboard is now i2c-1
  • More compatibility with node.js versions > 0.10
  • New C++ get i2c default bus call
  • Various bug fixes & optimisations

0.9.0

  • Beta iio API in C & C++ (no SWIG support)
  • Added 96Board support
  • Added Brillo/Android support
  • Java ISR fixes
  • FT4222 gpio support

0.8.1

  • Nodejs 4.1.1 support
  • Java examples fixes
  • Nodejs SPI tweaks
  • Misc fixes

0.8.0

  • Better java support
  • Support for FT4222 subplatforms
  • New types.hpp improves C++ & SWIG APIs
  • Added support for minnowboard max compatible boards

0.7.5

  • 5th Generation NUC i2c support
  • NPM 0.10.x ia32 fix

0.7.4

  • Minnowboard i2c fix
  • Add NPM arm support
  • Uart initialisation improved
  • Better i2c bus detection on DE3815 & mmax

0.7.3

  • DE3815 i2c fix when using different kernels
  • Fixed various memory leaks in SWIG wrappers
  • gpio enums all prefixed with mraa_
  • Fix SPI CS pin caps causing mux_total to be > 0
  • Improved error checking/handling

0.7.2

  • Fix node.js npm builds with binding.gyp that didn't use --target-arch

0.7.1

  • Uart now uses binary arrays and has optional 'Str' functions in C++/SWIG
  • Various Uart module bugfixes
  • Node.js 0.12.4 support
  • Node.js documentation support

0.7.0

  • Uart module now contains read/write interactions and configuration
  • Python API contains more buffer checks
  • Java support
  • RPM cpack support

0.6.2

  • Node.js 0.12 support
  • NPM support
  • Formatting done with clang-format
  • Various examples and documentation updates
  • Supported added for Beaglebone Black + Banana Pi

0.6.1

  • 16bit spi iunctions added
  • Node.js ISR now supported

0.6.0

  • add device path queries for uart
  • add platform configuration querying
  • gpio sample added
  • improve i2c/spi write/read API for python & nodejs
  • performance improvements on edison & galileo

0.5.4

  • pwm read_* fix introduced in 0.5.3
  • improved npmpkg support

0.5.3

  • OE toolchain support added to CMake
  • Various UART fixes
  • SPI add CS exposure
  • Remove functions from mraa.c into modules
  • Rework of support for mmap
  • Intel Edison MMAP support added. Read and Write
  • I2C clean up, add cleaner functions
  • MinnowBoard Max support added
  • PWM period is written before duty
  • Node GYP build supported added
  • Add Get Platform Name function

0.5.2

  • pwm improvement & bugfix
  • spi mraa_spi_bit_per_word fix
  • new spi transfer function
  • i2c object api uses uint8_t
  • i2c readReg() calls added
  • edison i2c bus now defaults to a sensible value
  • edison uart enable support
  • edison hardware CS exposed as IO10
  • DE3815tykhe NUC support

0.5.1

  • Intel Edison - Mini breakout board support
  • Change to use syslog throughout instead of printing to stderr.
  • Fix misc issues brought up throuh coverity scans
  • Clear up Analog call documentation

0.5.0

  • Intel Edison - Arduino board support.
  • Boost Allowable i2c busses to 12
  • Additional platform hooks added
  • ADC is now 10bits by default on all platforms but can be changed

0.4.5

  • if only one spidev we default to it reguardless of number
  • mraa_pwm_config_ms & mraa_pwm_config_percent functions added
  • Uart C++ class added, adds python & node support
  • galileo gen2 gpio modes supported

0.4.4

  • prefix SPI mode with MRAA_SPI_
  • added C++ adc bitness calls

0.4.3

  • SPI Mode function now functional, API Change in SPI
  • I2C read in swig worked on.
  • Galileo Gen 2: PWM setting period sets all channel's period
  • Galileo Gen 2: I2C setup now specific to Gen 2.
  • General commits around freeing memory at the right times.

0.4.2

  • Barebone UART module added.
  • Hook branch merged.
  • I2C init hooks added.
  • Intel Galileo Gen 2, I2C gpio pins now go hiz input when I2C initialised.

0.4.1

  • Rename python & nodejs modules to mraa
  • common.hpp introduced for C++
  • python & nodejs modules can now take binary strings for Spi & I2c
  • improved Aio module and clear bitness
  • Improved Galileo Gen 2 support

0.4.0

  • Rename to mraa
  • get_platform_type function added.

0.3.1

  • Initial Intel Galileo Gen 2 support
  • mraa_gpio_isr parameters added.
  • Detection of different supported platforms added.

0.3.0

  • mraa_i2c_read now returns length of read

0.2.9

  • Add global mraa.h & mraa.hpp headers
  • usage of "gpio.h" is not legal you need to use "mraa/gpio.h" unless adding -L/usr/include/mraa

0.2.8

  • Added mraa_set_priority call
  • Added mmap gpio call mraa_gpio_use_mmaped

0.2.7

  • C++ API now uses basic types and not unistd types as C
  • Clearer and consistent use of unistd tpyes in C api

0.2.6

  • C++ examples added, using c++ headers/api.
  • moved to open instead of fopen in all modules
  • rename mraa_check functions and made them internal to mraa only.
  • removed "export" functions from api
  • Intel Galileo Gen 1 (rev d) fixes, incorrect definition of some items
  • SPI, implementation completed.
  • I2C internal function, completed.
  • PWM fix bug in period set method.
  • Swig upstream can be used for building.
  • No longer builds docs on default cmake, needs flag
  • GPIO/PWM ownership guard prevents closing on existing pins, still can be forced.

0.2.5

  • C++/Python/Node Enums/const names now do not contain MRAA_GPIO
  • Enum type declaration for C++ changed
  • Python/Node get_version() -> GetVersion()
  • i2c read calls don't use const char* and i2c write calls do

0.2.4

  • All mraa_ contexts now are pointers to the actual struct which is not delcared in the header. The only end user change is that instead of returning a type mraa_gpio_context pointer mraa_gpio_init() now returns a mraa_gpio_context (which is actually a pointer to struct _gpio internally).
  • C++ API is available, use the .hpp headers and add stdc++ to the linker flags.
  • Initial SPI implementation is provided

0.2.3

  • mraa_aio_read_u16() -> mraa_aio_read()
  • mraa_aio_read() now returns a uint16_t instead of an unsigned int

0.2.2

  • First version with API considered 'stable'