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Changelog

v1.13.2

This release includes a patch release update to Buildroot 2020.08.2.

  • Updated dependencies

  • Improvements

    • Switched source for built-in WiFi module firmware. This pulls in newer firmware versions that were found to fix issues on the Raspberry Pi 4. It may improve built-in WiFi on other Raspberry Pis.

v1.13.1

The main change in this release is to bump the Linux kernel to 5.4. This follows the kernel update in the Raspberry Pi OS.

If you have based a custom system off of this one, please inspect the nerves_defconfig for WiFi firmware changes. WiFi firmware is no longer being pulled from the rpi-wifi-firmware since that package is out of date.

  • Updated dependencies

  • Improvements

    • Enabled reproducible builds in Buildroot to remove some timestamp and build path differences in firmware images. This helps delta firmware updates.
    • The memory cgroup controller is no longer enabled by default. This was an upstream change. As a result, the memory cgroup directory is no longer mounted.

v1.13.0

This release updates to Buildroot 2020.08 and OTP 23.1.1.

v1.12.2

This release updates to Buildroot 2020.05.1 and OTP 23.0.3 which are both bug fix releases.

  • Updated dependencies

  • New features

    • The /data directory now exists for storing application-specific data. It is currently a symlink to /root. Using /data will eventually be encouraged over /root even though currently there is no advantage. This change makes it possible to start migrating paths in applications and libraries.

  • Fixes

    • Fixed old references to the -Os compiler flag. All C/C++ code will default to using -O2 now.

v1.12.1

  • Fixes
    • Remove nerves_system_linter from hex package. This fixes mix dependency errors in projects that reference systems with different nerves_system_linter dependency specs.

v1.12.0

This release updates the system to use Buildroot 2020.05 and Erlang/OTP 23. Please see the respective release notes for updates and deprecations in both projects for changes that may affect your application.

v1.11.2

v1.11.1

  • Updated dependencies
    • nerves_system_br v1.11.2
    • Erlang 22.3.1
    • erlinit 1.7.0 - tty initialization support
    • fwup 1.6.0 - xdelta3/VCDIFF patch support
    • Enable unixodbc so that Erlang's odbc application can be used in projects

v1.11.0

This release updates Buildroot to 2020.02 and upgrades gcc from 8.3 to 9.2. While this is a minor version bump due to the Buildroot release update, barring advanced usage of Nerves, this is a straightforward update from v1.10.2.

v1.10.2

  • Fixes

    • This fixes a regression on OSX where the USB gadget Ethernet would incorrectly try to go into RNDIS mode and not work. Gadget Ethernet works with this fix on Linux and OSX. It also works on Windows with a driver installed. See the README.md for details.

  • Updated dependencies

v1.10.1

This release changes the behavior of the gadget port as well as the UART pins on the GPIO header. The gadget driver has been changed to use g_ether. This provides a more stable network connection at the expense of the virtual serial port. Console access has been output to the UART. If you were using the UART to connect to peripherals, you will need to disable the console. See: https://hexdocs.pm/nerves/advanced-configuration.html#overwriting-files-in-the-boot-partition for more information.

  • Enhancements

    • Set expand=true on the application data partition. This will only take effect for users running the complete task, fwup will not expand application data partitions that exist during upgrade tasks.
    • linux: swap the cdc composite gadget for g_ether

  • Updated dependencies

v1.10.0

This release updates Buildroot to 2019.11 with security and bug fix updates across Linux packages. Enables dnsd, udhcpd and ifconfig in the default Busybox configuration to support vintage_net and vintage_net_wizard. See the nerves_system_br notes for details.

v1.9.2

This release updates Buildroot to 2019.08.2 with security and bug fix updates across Linux packages. See the nerves_system_br notes for details. Erlang/OTP is now at 22.1.7.

v1.9.1

This release pulls in security and bug fix updates from nerves_system_br. Erlang/OTP is now at 22.1.1.

v1.9.0

This release updates Buildroot to 2019.08 with security and bug fix updates across Linux packages. See the nerves_system_br notes for details.

v1.8.2

This release fixes an issue that broke display output on small LCD screens. Updating the Raspberry Pi firmware to the latest from the Raspberry Pi Foundation fixed the issue. See pappersverk/rpi_fb_capture#2 for details.

v1.8.1

v1.8.0

This release

This release updates Erlang to OTP 22 and gcc from version 7.3.0 to 8.3.0. See the nerves_system_br and toolchain release notes for more information.

v1.7.2

  • Bux fixes
    • Add TAR option --no-same-owner to fix errors when untarring artifacts as the root user.
  • Updated dependencies

v1.7.1

This release fixes a major issue with the gadget USB port where it would hang on boot. If you have made a custom system or are overriding the erlinit.config file in your project, please make sure that your erlinit.config has:

-c null
-s "/usr/bin/nbtty --tty /dev/ttyGS0 --wait-input"

  • Bug fixes

    • Fix regression with virtual serial port where it could cause the whole USB interface to hang.

  • Improvements

    • Bump C compiler options to -O2 from -Os. This provides a small, but measurable performance improvement (500ms at boot in a trivial project).

  • Updated dependencies

v1.7.0

This release bumps the Linux kernel to 4.19.25. This change had an impact on how the WiFi regulatory database gets loaded into the kernel. Instead of building it into the kernel as previously done, the kernel loads it on demand. This requires that all WiFi drivers be built as kernel modules so that the database isn't loaded before the root filesystem is mounted. If you made a custom system and see boot errors about not being able to load the regulatory database, this is the problem.

A known bug with the Raspberry Pi Zero USB gadget interface is that it sometimes doesn't load on Linux systems. Moving the gadget drivers to kernel modules seems to work around this but it takes longer to load the gadget interface.

v1.6.3

v1.6.2

v1.6.1

  • Updated dependencies

    • nerves_system_br v1.6.5
    • Erlang 21.2.2
    • boardid 1.5.2
    • erlinit 1.4.9
    • OpenSSL 1.1.1a
    • Linux 4.14.89 with patches from the Raspberry Pi Foundation

  • Enhancements

    • Moved boardid config from inside erlinit.config to /etc/boardid.config
    • Compile gpiomem into the Linux kernel
    • Enable pstore, an in-memory buffer that can capture logs, kernel oops and other information when unexpected reboots. The buffer can be recovered on the next boot where it can be inspected.

v1.6.0

This pulls in a pending patch in Buildroot to update the version of OpenSSL from 1.0.2 to 1.1.0h. This fixes what appears to be issues with Erlang using OpenSSL engines. It also enables Erlang crypto algorithms such as ed25519 that have been added in recent Erlang releases.

v1.5.1

v1.5.0

This release updates the Linux kernel from 4.4 to 4.14.71.

  • Enhancements

    • Added Alsa utils aplay and amixer for audio support.
    • Added espeak a speech synthesizer for text to audio.
    • Automatically reboot if the Linux kernel panics (defaults to a 10 second delay before the reboot)

  • Updated dependencies

v1.4.0

This release contains various updates to provisioning variables and data.

Host requirements

Building firmware using this system requires fwup to be updated on your host computer to at least v1.2.5. The target minimum version requirement has not changed from 0.15.0.

Serial numbers

Device serial numbers are now set using NERVES_SERIAL_NUMBER instead of SERIAL_NUMBER. This is to reduce ambiguity on the source of the serial by name spacing it along side other Nerves variables. The U-Boot environment key has also changed from serial_number to nerves_serial_number. The erlinit.config has been updated to provide backwards compatibility for setting the hostname from the serial number by checking for nerves_serial_number and falling back to serial_number.

Custom provisioning

Provisioning data is applied at the time of calling the fwup task complete. The complete task is executed when writing the firmware to the target disk. During this time, fwup will include the contents of a provisioning file located at ${NERVES_SYSTEM}/images/fwup_include/provisioning.conf. By default, this file only sets nerves_serial_number. You can add additional provisioning data by overriding the location of this file to include your own by setting the environment variable NERVES_PROVISIONING. If you override this variable you will be responsible for also setting nerves_serial_number.

v1.3.0

This release upgrades gcc from version 6.3.0 to 7.3.0. See the toolchain release notes for more information.

v1.2.1

v1.2.0

This release updates Erlang to OTP 21.0

v1.1.1

This release fixes some issues and adds firmware UUID support. This support can be used to unambiguously know what's running on a device.

  • Updated dependencies

  • Bug fixes

    • Empty serial numbers stored in the U-Boot environment would be used instead of reverting to devices IDs built into the CPU or board.
    • It wasn't possible to enable QtWebEngine (needed for kiosk apps)

v1.1.0

This release adds official support for provisioning serial numbers to devices. Other information can be provisioned in a similar manner. See the README.md for details.

Buildroot was also updated to 2018.05. Be sure to review the nerves_system_br link for the changes in the embedded Linux components.

  • Updated dependencies

  • New features

    • More wpa-supplicant features were enabled to support more WiFi use-cases

v1.0.0

This release is nearly identical to rc.1 except for pulling the official 1.0 versions of Nerves dependencies and minor documentation updates.

v1.0.0-rc.1

This release contains updates to Erlang and heart from nerves_system_br and mostly cosmetic changes to this project. The trivial .fw files are no longer created by CI scripts. If you've forked this project and are building systems using CI, make sure to update your publish scripts.

v1.0.0-rc.0

v0.21.0

v0.20.1

  • Updated dependencies
    • nerves_system_br v0.16.3 This fixes the call to otp_build so that it always uses Buildroot's version the autoconf tools.

v0.20.0

Important: This image removes kernel log messages from the HDMI and UART ports. They are now only available via dmesg. If you're debugging a boot hang, you can re-enable prints by updating the cmdline.txt. See README.md.

  • Updated dependencies

  • Bug fixes

    • Removed kernel logging from UART and HDMI to avoid interfering with other uses. They are rarely used on those ports.

  • Enhancements

    • Reboot automatically if Erlang VM exits - This is consistent with other Nerves systems. See rootfs_overlay/etc/erlinit.config if undesired.

    • Start running nerves_system_linter to check for configuration errors.

    • Disable console blanking for HDMI to make it easier to capture error messages.

    • Automount the boot partition readonly at /boot

    • Support for reverting firmware.

      See Reverting Firmware for more info on reverting firmware.

      See fwup-revert.conf for more information on how fwup handles reverting.

v0.19.2

  • Bug fixes
    • Updated toolchains to 0.12.1 which fixes issues with missing app files.

v0.19.1

  • Bug fixes
    • Rollback release due to errors with toolchains not defining erlang app files

v0.19.0

v0.18.2

v0.18.1

  • Bug fixes
    • Build nbtty

v0.18.0

  • Updated dependencies

  • Enhancements

    • Add global patch directory

    This is required to pull in the e2fsprogs patch that's needed now that util-linux's uuid_generate function calls getrandom and can block indefinitely for the urandom pool to initialize

  • Bug fixes

    • Use nbtty by default to fix tty hang issue

v0.17.1

  • Updated dependencies
    • nerves_system_br v0.13.7

v0.17.0

This release contains an updated toolchain with Linux 4.1 Headers. You will have to clean and compile any c/c++ code in your project and dependencies. Failure to do so will result in an error when producing firmware.

  • nerves_system_br v0.13.5

    • fwup 0.15.4

  • Nerves toolchain v0.11.0

  • New Features

    • Fix warnings for Elixir 1.5
    • Remove unused options from OTP 20 update
    • Per Buildroot convention, the rootfs-additions directory is being renamed to rootfs_overlay. A symlink is put in its place to avoid breaking any systems.
    • Enabled IPv6 Support in Linux kernel

v0.16.0

  • nerves_system_br v0.13.2

    • OTP 20
    • erlinit 1.1.3
    • fwup 0.15.3

  • New features

    • Firmware updates verify that they're updating the right target. If the target doesn't say that it's an rpi0 through the firmware metadata, the update will fail.
    • Added meta-misc and meta-vcs-identifier to the fwup.conf metadata for use by users and for the regression test framework

  • Bug fixes

    • The erlinit update fixes a hang issue that occurs on reboots if nothing is connected to the USB virtual serial console.

v0.15.0

  • nerves_system_br v0.12.1

    • erlinit 1.1.1
    • fwup 0.15.0

  • New features

    • The application data partition is now ext4. This greatly improves its robustness to corruption. Nerves.Runtime contains code to initialize it on first boot.
    • Firmware images now contain metadata that can be queried at runtime (see Nerves.Runtime.KV
    • Increased GPU memory to support Pi Camera V2

v0.14.0

  • nerves_system_br v0.12.0

    • Buildroot 2017.05
    • erlinit 1.1.0

  • New features

    • pigpio is now available by default (enables near real-time use of gpios)

  • Bug fixes

    • USB host/gadget mode selection doesn't seem to work on some non-Apple hardware. Host support has been disabled as a workaround. See Issue 10 for details.

  • Other changes

    • pi3-miniuart-bt overlay is enabled by default to give full speed UART access on GPIO pins

v0.13.1

  • nerves_system_br v0.11.1
    • erlinit 1.0.1 - contains fix for Erlang VM exit detection issue

v0.13.0

The brcmfmac wireless driver is now built as a module, so you will need to load it. See hello_wifi for an example of WiFi module loading on application startup.

  • nerves_system_br v0.11.0
    • erlinit 1.0
    • fwup 0.14.2
    • rpi-userland and rpi-firmware version bumps to correspond with Raspbian Linux 4.4 updates

v0.12.0

This is the first official Raspberry Pi Zero system release. It was forked off nerves_system_rpi so previous versions are from that project. Those also work on the Zero, but without USB gadget mode or RPi Zero W WiFi support.

  • nerves_system_br v0.10.0

    • Buildroot 2017.02
    • Erlang/OTP 19.3

  • New features

    • Upgraded the Linux kernel from 4.4.43 -> 4.4.50. Due to the coupling between the Linux kernel and rpi-firmware and possibly rpi-userland, if you have a custom system based off this, you should update your Linux kernel as well. (see nerves_defconfig changes)

v0.11.0

  • New features
    • Enabled USB_SERIAL and FTDI_SIO support. Needed for connecting with Arduino to the USB ports
    • Support for Nerves 0.5.0

v0.10.0

  • New features
    • Upgraded the Linux kernel to 4.4.43. This also removes the call to mkknlimg which is no longer needed.
    • Bump toolchain to use gcc 5.3 (previously using gcc 4.9.3)

v0.9.1

  • Bug Fixes
    • Loosen mistaken nerves dep on 0.4.0 to ~> 0.4.0

v0.9.0

This version switches to using the nerves_package compiler. This will consolidate overall deps and compilers.

  • Nerves.System.BR v0.8.1
    • Support for distillery
    • Support for nerves_package compiler

v0.7.0

When upgrading to this version, be sure to review the updates to nerves_defconfig if you have customized this system.

  • nerves_system_br v0.7.0
    • Package updates
      • Buildroot 2016.08
      • Linux 4.4

v0.6.1

  • Package versions

    • Nerves.System.BR v0.6.1

  • New features

    • All Raspberry Pi-specific configuration is now in this repository
    • Enabled SMP Erlang - even though the RPi Zero and Model B+ are single core systems, some NIFs require SMP Erlang.

v0.6.0

  • Nerves.System.BR v0.6.0
    • Package updates
      • Erlang OTP 19
      • Elixir 1.3.1
      • fwup 0.8.0
      • erlinit 0.7.3
      • bborg-overlays (pull in I2C typo fix from upstream)
    • Bug fixes
      • Synchronize file system kernel configs across all platforms

v0.5.2

  • Enhancements
    • Enabled USB Printer kernel mod. Needs to be loaded with modprobe to use
  • Bug Fixes(raspberry pi)
    • Enabled multicast in linux config for rpi/rpi2/rpi3/ev3

v0.5.1

  • Nerves.System.BR v0.5.1
    • Bug Fixes(nerves-env)
      • Added include paths to CFLAGS and CXXFLAGS
      • Pass sysroot to LDFLAGS

v0.5.0

  • Nerves.System.BR v0.5.0
    • New features
      • WiFi drivers enabled by default on RPi2 and RPi3
      • Include wireless regulatory database in Linux kernel by default on WiFi-enabled platforms. Since kernel/rootfs are read-only and coupled together for firmware updates, the normal CRDA/udev approach isn't necessary.
      • Upgraded the default BeagleBone Black kernel from 3.8 to 4.4.9. The standard BBB device tree overlays are included by default even though the upstream kernel patches no longer include them.
      • Change all fwup configurations from two step upgrades to one step upgrades. If you used the base fwup.conf files to upgrade, you no longer need to finalize the upgrade. If not, there's no change.