:orphan:

.. _zephyr_1.9:

Zephyr Kernel 1.9.2
###################

This is a maintenance release with fixes.

Kernel
******
* Generic queue item acquisition fixed to always return a valid item when
  using K_FOREVER

Bluetooth
*********
* Multiple stability fixes for BLE Mesh
* Multiple stability fixes for the BLE Controller

Zephyr Kernel 1.9.1
###################

This is a maintenance release with fixes and a two new features in the
BLE Controller.

Drivers and Sensors
*******************
* mcux ethernet driver buffer overflow fixed
* STM32 PWM prescaler issue fixed

Networking
**********
* Support for IPv6 in DNS fixed

Bluetooth
*********
* Multiple stability fixes for the BLE Controller
* Support for PA/LNA amplifiers in the BLE Controller
* Support for additional VS commands in the BLE Controller

Zephyr Kernel 1.9.0
###################

We are pleased to announce the release of Zephyr kernel version 1.9.0

Major enhancements planned with this release include:

* Bluetooth 5.0 Support (all features except Advertising Extensions)
* Bluetooth Qualification-ready BLE Controller
* BLE Mesh
* Lightweight Machine to Machine (LwM2M) support
* Pthreads compatible API
* BSD Sockets compatible API
* MMU/MPU (Cont.): Thread Isolation, Paging
* Expand Device Tree support to more architectures
* Revamp Testsuite, Increase Coverage
* Stack Sentinel support (See details below)

The following sections provide detailed lists of changes by component.

Kernel
******

* Added POSIX thread IPC support for Kernel
* kernel: introduce opaque data type for stacks
* Timeslicing and tickless kernel improvements

Architectures
*************

* arm: Added STM32F405, STM32F417, STM32F103x8 SoCs
* arm: Added TI CC2650 SoC
* arm: Removed TI CC3200 SoC
* arm: Added MPU support to nRF52, STM32L4, and STM32F3
* xtensa: Added ESP32 support
* Stack sentinel: This places a sentinel value at the lowest 4 bytes of a stack
  memory region and checks it at various intervals, including when servicing
  interrupts or context switching.
* x86: Enable MMU for application memory
* ARC: Added initial MPU support, including stack sentinel checking for ARC
  configurations not featuring hardware stack bounds checking
* ARC: Nested interrupt support for normal, non-FIRQ interrupts

Boards
******

* Added device tree support for Intel Quark based microcontroller boards
  such as Arduino_101, tinytile, and Quark_d2000_crb.
* arm: Added Atmel SAM4S Xplained board
* arm: Added Olimex STM32-E407 and STM32-P405 boards
* arm: Added STM32F412 Nucleo and STM32F429I-DISC1 boards
* arm: Added TI SensorTag board
* arm: Removed TI CC3200 LaunchXL board
* arm: Added VBLUno51 and VBLUno52 boards
* xtensa: Added ESP32 board support
* ARC: Added support for EMSK EM7D v2.2 version (incl. MPU)
* ARC: Board configuration restructuring, peripheral configs moved from soc to
  board level

Drivers and Sensors
*******************

* KW40Z IEEE 802.15.4 radio driver support added
* APDS9960 sensor driver added
* Added TICKLESS KERNEL support for nrf RTC Timer
* Added Kinetis adc and pwm drivers
* Removed deprecated PWM driver APIs
* Added ESP32 drivers for GPIO, pin mux, watchdog, random number generator,
  and UART
* sensor: Add BMM150 Geomagnetic sensor driver

Networking
**********

* LWM2M support added
* net-app API support added. This is higher level API that can be used
  by applications to create client/server applications with transparent
  TLS (for TCP) or DTLS (for UDP) support.
* MQTT TLS support added
* Add support to automatically setup IEEE 802.15.4 and Bluetooth IPSP networks
* TCP receive window support added
* Network sample application configuration file unification, where most of the
  similar configuration files were merged together
* Added Bluetooth support to HTTP(S) server sample application
* BSD Socket compatible API layer, allowing to write and/or port simple
  networking applications using a well-known, cross-platform API
* Networking API documentation fixes
* Network shell enhancements
* Trickle algorithm fixes
* Improvements to HTTP server and client libraries
* CoAP API fixes
* IPv6 fixes
* RPL fixes

Bluetooth
*********

* Bluetooth Mesh support (all mandatory features and most optional ones)
* GATT Service Changed Characteristic support
* IPSP net-app support: a simplified networking API reducing duplication
  of common tasks an application writer has to go through to connect
  to the network.
* BLE controller qualification-ready, with all required tests passing
* Controller-based privacy (including all optional features)
* Extended Scanner Filter Policies support in the controller
* Controller roles (Advertiser, Scanner, Master and Slave) separation in
  source code, conditionally includable
* Flash access cooperation with BLE radio activity
* Bluetooth Kconfig options have been renamed have the same (consistent)
  prefix as the Bluetooth APIs, namely BT_* instead of BLUETOOTH_*.
  Controller Kconfig options have been shortened to use CTLR instead of
  CONTROLLER.
* Removed deprecated NBLE support

Build and Infrastructure
************************

* change description

Libraries
*********

* mbedTLS updated to 2.6.0
* TinyCrypt updated to 0.2.7

HALs
****

* Added support for stm32f417 SOC
* Added support for stm32f405 SOC
* pinmux: stm32: 96b_carbon: Add support for SPI
* Added rcc node on stm32 socs
* Added pin config for USART1 on PB6/PB7 for stm32l4
* Removed TI cc3200 SOC and LaunchXL board support

Documentation
*************

* CONTRIBUTING.rst and Contribution Guide material added
* Configuration options doc reorganized for easier access
* Navigation sidebar issues fixed for supported boards section
* Fixed link targets hidden behind header
* Completed migration of wiki.zephyrproject.org content into docs and
  GitHub wiki. All links to old wiki updated.
* Broken link and spelling check scans through .rst, Kconfig (used for
  auto-generated configuration docs), and source code doxygen comments
  (used for API documentation).
* API documentation added for new interfaces and improved for existing
  ones.
* Documentation added for new boards supported with this release.
* Python packages needed for document generation added to new python
  pip requirements.txt


Build System and Tools
**********************
* Convert post-processing host tools to python, this includes the following
  tools: gen_offset_header.py gen_idt.py gen_gdt.py gen_mmu.py


Tests and Samples
*****************

* Added test Case to stress test round robin scheduling in schedule_api test.
* Added test case to stress test priority scheduling in scheduling_api_test.


JIRA Related Items
******************
* ``ZEP-230`` - Define I2S driver APIs
* ``ZEP-601`` - enable CONFIG_DEBUG_INFO
* ``ZEP-702`` - Integrate Nordic's Phoenix Link Layer into Zephyr
* ``ZEP-749`` - TinyCrypt uses an old, unoptimized version of micro-ecc
* ``ZEP-896`` - nRF5x Series: Add support for power and clock peripheral
* ``ZEP-1067`` - Driver for BMM150
* ``ZEP-1396`` - Add ksdk adc shim driver
* ``ZEP-1426`` - CONFIG_BOOT_TIME_MEASUREMENT on all targets?
* ``ZEP-1552`` - Provide apds9960 sensor driver
* ``ZEP-1647`` - Figure out new combo for breathe/doxygen/sphinx versions that are supported
* ``ZEP-1744`` - UPF 56 BLE Controller Issues
* ``ZEP-1751`` - Add template YAML file
* ``ZEP-1819`` - Add tickless kernel support in nrf_rtc_timer timer
* ``ZEP-1843`` - provide mechanism to filter test cases based on available hardware
* ``ZEP-1892`` - Fix issues with Fix Release
* ``ZEP-1902`` - Missing board documentation for arm/nucleo_f334r8
* ``ZEP-1911`` - Missing board documentation for arm/stm3210c_eval
* ``ZEP-1917`` - Missing board documentation for arm/stm32373c_eval
* ``ZEP-1918`` - Fix connection parameter request procedure
* ``ZEP-2018`` - Remove deprecated PWM APIs
* ``ZEP-2020`` - tests/crypto/test_ecc_dsa intermittently fails on riscv32
* ``ZEP-2025`` - Add mcux pwm shim driver for k64
* ``ZEP-2031`` - ESP32 Architecture Configuration
* ``ZEP-2032`` - Espressif Open-source Toolchain Support
* ``ZEP-2039`` - Implement stm32cube LL based clock control driver
* ``ZEP-2054`` - Convert all helper script to use python3
* ``ZEP-2062`` - Convert gen_offset_header to a python script
* ``ZEP-2063`` - Convert gen_idt to python
* ``ZEP-2068`` - Need Tasks to Be Tracked in QRC too
* ``ZEP-2071`` - samples: warning: (SPI_CS_GPIO && SPI_SS_CS_GPIO && I2C_NRF5) selects GPIO which has unmet direct dependencies
* ``ZEP-2085`` - Add CONTRIBUTING.rst to root folder w/contributing guidelines
* ``ZEP-2089`` - UART support for ESP32
* ``ZEP-2115`` - Common API for networked applications for setting up network
* ``ZEP-2116`` - Common API for networked apps to create client/server applications
* ``ZEP-2141`` - Coverity CID 169303 in tests/net/ipv6/src/main.c
* ``ZEP-2150`` - Move Arduino 101 to Device Tree
* ``ZEP-2151`` - Move Quark D2000 to device tree
* ``ZEP-2156`` - Build warnings [-Wformat] with LLVM/icx (tests/kernel/sprintf)
* ``ZEP-2168`` - Timers seem to be broken with TICKLESS_KERNEL on nRF51 (Cortex M0)
* ``ZEP-2171`` - Move all board pinmux code from drivers/pinmux/stm32 to the corresponding board/soc locations
* ``ZEP-2184`` - Split data, bss, noinit sections into application and kernel areas
* ``ZEP-2188`` - x86: Implement simple stack memory protection
* ``ZEP-2217`` - schedule_api test fails on ARM with tickless kernel enabled
* ``ZEP-2218`` - unexpected short timeslice when running schedule_api with tickless kernel enabled
* ``ZEP-2220`` - Extend MPU to stm32 family
* ``ZEP-2225`` - Ability to unregister GATT services
* ``ZEP-2226`` - BSD Sockets API: Basic blocking API
* ``ZEP-2227`` - BSD Sockets API: Non-blocking API
* ``ZEP-2229`` - test_time_slicing_preemptible fails on bbc_microbit and other NRF boards
* ``ZEP-2250`` - sanitycheck not filtering defconfigs properly
* ``ZEP-2258`` - Coverity static scan issues seen
* ``ZEP-2265`` - stack declaration macros for ARM MPU
* ``ZEP-2267`` - Create Release Notes
* ``ZEP-2270`` - Convert mpu_stack_guard_test from using k_thread_spawn to k_thread_create
* ``ZEP-2274`` - Build warnings [-Wpointer-sign] with LLVM/icx (tests/net/ipv6_fragment)
* ``ZEP-2278`` - KW41-Z 802.15.4 driver hangs if full debug is disabled
* ``ZEP-2279`` - echo_server TCP handler corrupt by SYN flood
* ``ZEP-2280`` - add test case for KBUILD_ZEPHYR_APP
* ``ZEP-2285`` - non-boards shows up in board list for docs
* ``ZEP-2286`` - Write a GPIO driver for ESP32
* ``ZEP-2289`` - [DoS] Memory leak from large TCP packets
* ``ZEP-2296`` - ESP32: watchdog driver
* ``ZEP-2297`` - ESP32: Pin mux driver
* ``ZEP-2303`` - Concurrent incoming TCP connections
* ``ZEP-2305`` - linker: implement MMU alignment constraints
* ``ZEP-2306`` - echo server hangs from IPv6 hop-by-hop option anomaly
* ``ZEP-2308`` - (New) Networking API details documentation is missing
* ``ZEP-2310`` - Improve configuration documentation index organization
* ``ZEP-2314`` - Testcase failure :tests/benchmarks/timing_info/testcase.ini#test
* ``ZEP-2316`` - Testcase failure :tests/bluetooth/shell/testcase.ini#test_br
* ``ZEP-2318`` - some kernel objects sections are misaligned
* ``ZEP-2319`` - tests/net/ieee802154/l2 uses semaphore before initialization
* ``ZEP-2321`` - [PTS] All TC's of SM/GATT/GAP failed due to BTP_TIMEOUT error.
* ``ZEP-2326`` - x86: API to validate user buffer
* ``ZEP-2328`` - gen_mmu.py appears to generate incorrect tables in some situations
* ``ZEP-2329`` - bad memory access tests/net/route
* ``ZEP-2330`` - bad memory access tests/net/rpl
* ``ZEP-2331`` - bad memory access tests/net/ieee802154/l2
* ``ZEP-2332`` - bad memory access tests/net/ip-addr
* ``ZEP-2334`` - bluetooth shell build warning when CONFIG_DEBUG=y
* ``ZEP-2335`` - Ensure the Licensing page is up-to-date for the release
* ``ZEP-2340`` - Disabling advertising gets stuck
* ``ZEP-2341`` - Build warnings:override: reassigning to symbol MAIN_STACK_SIZE with LLVM/icx (/tests/net/6lo)
* ``ZEP-2343`` - Coverity static scan issues seen
* ``ZEP-2344`` - Coverity static scan issues seen
* ``ZEP-2345`` - Coverity static scan issues seen
* ``ZEP-2352`` - network API docs don't mention when callbacks are called from a different thread
* ``ZEP-2354`` - ESP32: Random number generator
* ``ZEP-2355`` - Coverity static scan issues seen
* ``ZEP-2358`` - samples:net:echo_server: Failed to send UDP packets
* ``ZEP-2359`` - samples:net:coaps_server: unable to bind with IPv6
* ``ZEP-2360`` - Initial implementation of Bluetooth Mesh
* ``ZEP-2361`` - Provide a POSIX compatibility Layer on top of native APIs
* ``ZEP-2365`` - samples/net/wpanusb/test_15_4 fail on nrf52840_pca10056 and frdm_kw41z
* ``ZEP-2366`` - implement \__kernel attribute
* ``ZEP-2367`` - NULL pointer read in udp, tcp, context net tests
* ``ZEP-2368`` - x86: QEMU: enable MMU at boot by default
* ``ZEP-2370`` - [test] Create a stress test to test preemptive scheduling on zephyr
* ``ZEP-2371`` - [test] Create a stress test to test round robin scheduling with equal priority tasks on zephyr
* ``ZEP-2374`` - Build warnings:override: reassigning to symbol NET_IPV4 with LLVM/icx (/tests/net/dhcpv4)
* ``ZEP-2375`` - Build warnings [-Wpointer-sign] with LLVM/icx (tests/net/udp)
* ``ZEP-2378`` - sample/bluetooth/ipsp: When build the app 'ROM' overflowed
* ``ZEP-2379`` - samples/bluetooth: Bluetooth init failed (err -19)
* ``ZEP-2380`` - TCP is broken by Zephyr commit 3604c391e
* ``ZEP-2382`` - Convert test to use ztest framework
* ``ZEP-2383`` - Net-app API needs to support DTLS
* ``ZEP-2384`` - "Common" bluetooth sample code does not build out of tree
* ``ZEP-2385`` - Update TinyCrypt to 0.2.7
* ``ZEP-2395`` - Assert in http_server example when run over bluetooth on nrf52840
* ``ZEP-2397`` - net_if_ipv6_addr_rm calls k_delayed_work_cancel() on uninitialized k_delayed_work object
* ``ZEP-2398`` - network stack test cases are only tested on x86
* ``ZEP-2403`` - Enabling MMU for qemu_x86 broke active connect support
* ``ZEP-2407`` - [Cortex m series ] Getting a crash on Cortex m3 series when more than 8 preemptive threads with equal priority are scheduled
* ``ZEP-2408`` - design mechanism for kernel object sharing policy
* ``ZEP-2412`` - Bluetooth tester app not working from commit c1e5cb
* ``ZEP-2423`` - samples/bluetooth/ipsp's builtin TCP echo crashes on TCP closure
* ``ZEP-2432`` - ieee802154_shell.c, net_mgmt call leads to a BUS FAULT
* ``ZEP-2433`` - x86: do forensic analysis to determine stack overflow context in supervisor mode
* ``ZEP-2436`` - Unable to see console output in Quark_D200_CRB
* ``ZEP-2437`` - warnings when building applications for quark d2000
* ``ZEP-2444`` - [nrf] Scheduling test API is getting failed in case of nrf51/nrf52 platforms
* ``ZEP-2445`` - nrf52: CPU lock-up when using Bluetooth + Flash driver + CONFIG_ASSERT
* ``ZEP-2447`` - 'make debugserver' fails for qemu_x86_iamcu
* ``ZEP-2451`` - Move Bluetooth IPSP support functions from samples/bluetooth to a separate library
* ``ZEP-2452`` - https server does not build for olimex_stm32_e407
* ``ZEP-2457`` - generated/offsets.h is being regenerated unnecessarily
* ``ZEP-2459`` - Sample application not working with Quark SE C1000
* ``ZEP-2460`` - tests/crypto/ecc_dh fails on qemu_nios2
* ``ZEP-2464`` - "allow IPv6 interface init to work with late IP assignment" patch broke non-late IPv6 assignment
* ``ZEP-2465`` - Static code scan (coverity) issues seen
* ``ZEP-2467`` - Static code scan (coverity) issues seen
* ``ZEP-2468`` - Static code scan (coverity) issues seen
* ``ZEP-2469`` - Static code scan (coverity) issues seen
* ``ZEP-2474`` - Static code scan (coverity) issues seen
* ``ZEP-2480`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/coaps_server)
* ``ZEP-2482`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/telnet)
* ``ZEP-2483`` - samples:net:http_client: Failed to get http requests in IPv6
* ``ZEP-2484`` - samples:net:http_server: Failed to work in IPv6
* ``ZEP-2485`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/coaps_client)
* ``ZEP-2486`` - Build warnings [-Wpointer-sign] with LLVM/icx (samples/net/mbedtls_dtlsserver)
* ``ZEP-2488`` - Build warnings [-Wpointer-sign] and [-Warray-bounds] with LLVM/icx (samples/net/irc_bot)
* ``ZEP-2489`` - bug in _x86_mmu_buffer_validate API
* ``ZEP-2496`` - Build failure on tests/benchmarks/object_footprint
* ``ZEP-2497`` - [TIMER] k_timer_start should take 0 value for duration parameter
* ``ZEP-2498`` - [Display] Minimum Duration argument to k_timer_start should be non Zero positive value
* ``ZEP-2508`` - esp32 linkage doesn't unify ELF sections correctly
* ``ZEP-2510`` - BT: CONFIG_BT_HCI_TX_STACK_SIZE appears to be too low for BT_SPI
* ``ZEP-2514`` - XCC sanitycheck build compile wrong targets
* ``ZEP-2523`` - Static code scan (Coverity) issue seen in file: /samples/net/zoap_server/src/zoap-server.c
* ``ZEP-2525`` - Static code scan (Coverity) issue seen in file: /samples/net/zoap_server/src/zoap-server.c
* ``ZEP-2531`` - Static code scan (Coverity) issue seen in file: /tests/net/lib/dns_resolve/src/main.c
* ``ZEP-2528`` - Static code scan (Coverity) issue seen in file: /samples/net/nats/src/nats.c
* ``ZEP-2534`` - Static code scan (Coverity) issue seen in file: /tests/kernel/irq_offload/src/irq_offload.c
* ``ZEP-2535`` - Static code scan (Coverity) issue seen in file: /tests/net/lib/zoap/src/main.c
* ``ZEP-2537`` - Static code scan (Coverity) issue seen in file: /tests/crypto/ecc_dh/src/ecc_dh.c
* ``ZEP-2538`` - Static code scan (Coverity) issue seen in file: /arch/arm/soc/st_stm32/stm32f1/soc_gpio.c
* ``ZEP-2539`` - Static code scan (Coverity) issue seen in file: /tests/net/ieee802154/l2/src/ieee802154_test.c
* ``ZEP-2540`` - Static code scan (Coverity) issue seen in file: /ext/lib/crypto/tinycrypt/source/ecc_dh.c
* ``ZEP-2541`` - Static code scan (Coverity) issue seen in file: /subsys/bluetooth/host/mesh/cfg.c
* ``ZEP-2549`` - Static code scan (Coverity) issue seen in file: /samples/net/leds_demo/src/leds-demo.c
* ``ZEP-2552`` - ESP32 uart poll_out always return 0
* ``ZEP-2553`` - k_queue_poll not handling -EADDRINUSE (another thread already polling) properly
* ``ZEP-2556`` - ESP32 watchdog WDT_MODE_INTERRUPT_RESET mode fails
* ``ZEP-2557`` - ESP32 : Some GPIO tests are getting failed (tests/drivers/gpio/gpio_basic_api)
* ``ZEP-2558`` - CONFIG_BLUETOOTH_* Kconfig options silently ignored
* ``ZEP-2560`` - samples/net: the sample of zoap_server fails to add multicast address
* ``ZEP-2561`` - samples/net: The HTTP client failed to send the POST request
* ``ZEP-2568`` - [PTS] All TC's of L2CAP/SM/GATT/GAP failed due to BTP_ERROR.
* ``ZEP-2575`` - error:[ '-O: command not found'] with LLVM/icx (samples/hello_world)
* ``ZEP-2576`` - samples/net/sockets/echo, echo_async : fails to send the TCP packets
* ``ZEP-2581`` - CC3220 executable binary format support
* ``ZEP-2584`` - Update mbedTLS to 2.6.0
* ``ZEP-713``  - Implement preemptible regular IRQs on ARC