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TinyGo v0.15.0 Release Notes

Release Date: 2020-09-17 // over 3 years ago

  • 🚀 This is a very major release that adds some long-awaited capabilities to TinyGo, like support for Bluetooth Low Energy via the Nordic Semiconductor nRF51/nRF52. and also support for the Espressif ESP32/ESP8266.

    • command-line
      • add cached GOROOT to info subcommand
      • embed git-hash in tinygo-dev executable
      • implement tinygo targets to list usable targets
      • use simpler file copy instead of file renaming to avoid issues on nrf52840 UF2 bootloaders
      • use ToSlash() to specify program path
      • support flashing esp32/esp8266 directly from tinygo
      • when flashing call PortReset only on other than openocd
    • compiler
      • compileopts: add support for custom binary formats
      • compiler: improve display of goroutine wrappers
      • interp: don't panic in the Store method
      • interp: replace some panics with error messages
      • interp: show error line in first line of the traceback
      • loader: be more robust when creating the cached GOROOT
      • loader: rewrite/refactor much of the code to use go list directly
      • loader: use ioutil.TempDir to create a temporary directory
      • stacksize: deal with DW_CFA_advance_loc1
    • standard library
      • runtime: use waitForEvents when appropriate
    • wasm
      • wasm: Remove --no-threads from wasm-ld calls.
      • wasm: update wasi-libc dependency
    • targets
      • arduino-mega2560: fix flashing on Windows
      • arm: automatically determine stack sizes
      • arm64: make dynamic loader structs and constants private
      • avr: configure emulator in board files
      • cortexm: fix stack size calculation with interrupts
      • flash: add openocd settings to atsamd21 / atsamd51
      • flash: add openocd settings to nrf5
      • microbit: reelboard: flash using OpenOCD when needed
      • nintendoswitch: Add dynamic loader for runtime loading PIE sections
      • nintendoswitch: fix import cycle on dynamic_arm64.go
      • nintendoswitch: Fix invalid memory read / write in print calls
      • nintendoswitch: simplified assembly code
      • nintendoswitch: support outputting .nro files directly
    • boards
      • arduino-zero: Adding support for the Arduino Zero (#1365)
      • atsamd2x: fix BAUD value
      • atsamd5x: fix BAUD value
      • bluepill: Enable stm32's USART2 for the board and map it to UART1 tinygo's device
      • device/atsamd51x: add all remaining bitfield values for PCHCTRLm Mapping
      • esp32: add libgcc ROM functions to linker script
      • esp32: add SPI support
      • esp32: add support for basic GPIO
      • esp32: add support for the Espressif ESP32 chip
      • esp32: configure the I/O matrix for GPIO pins
      • esp32: export machine.PortMask* for bitbanging implementations
      • esp8266: add support for this chip
      • machine/atsamd51x,runtime/atsamd51x: fixes needed for full support for all PWM pins. Also adds some useful constants to clarify peripheral clock usage
      • machine/itsybitsy-nrf52840: add support for Adafruit Itsybitsy nrf52840 (#1243)
      • machine/stm32f4: refactor common code and add new build tag stm32f4 (#1332)
      • nrf: add SoftDevice support for the Circuit Playground Bluefruit
      • nrf: call sd_app_evt_wait when the SoftDevice is enabled
      • nrf52840: add build tags for SoftDevice support
      • nrf52840: use higher priority for USB-CDC code
      • runtime/atsamd51x: use PCHCTRL_GCLK_SERCOMX_SLOW for setting clocks on all SERCOM ports
      • stm32f405: add basic UART handler
      • stm32f405: add STM32F405 machine/runtime, and new board/target feather-stm32f405
    • 🏗 build
      • all: run test binaries in the correct directory
      • build: Fix arch release job
      • ci: run tinygo test for known-working packages
      • ci: set git-fetch-depth to 1
      • docker: fix the problem with the wasm build (#1357)
      • Makefile: check whether submodules have been downloaded in some common cases
    • 📄 docs
      • add ESP32, ESP8266, and Adafruit Feather STM32F405 to list of supported boards