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@aykevl aykevl released this Mar 6, 2021

This is a large release of almost 3 months of work, with several improvements to the compiler, tinygo gdb, many improvements to the machine package and finally the addition of several new boards. We've also updated TinyGo with support for LLVM 11 and Go 1.16.

  • command line
    • switch to LLVM 11 for static builds
    • support gdb debugging with AVR
    • add support for additional openocd commands
    • add -x flag to print commands
    • use LLVM 11 by default when linking LLVM dynamically
    • update go-llvm to use LLVM 11 on macOS
    • bump go.bug.st/serial to version 1.1.2
    • do not build LLVM with libxml to work around a bugo on macOS
    • add support for Go 1.16
    • support gdb daemonization on Windows
    • remove support for LLVM 9, to fix CI
    • kill OpenOCD if it does not exit with a regular quit signal
    • support -ocd-output on Windows
  • compiler
    • builder: parallelize most of the build
    • builder: remove unused cacheKey parameter
    • builder: add -mcpu flag while building libraries
    • builder: wait for running jobs to finish
    • cgo: add support for variadic functions
    • compiler: fix undefined behavior in wordpack
    • compiler: fix incorrect "exported function" panic
    • compiler: fix non-int integer constants (fixing a crash)
    • compiler: refactor and add tests
    • compiler: emit a nil check when slicing an array pointer
    • compiler: saturate float-to-int conversions
    • compiler: test float to int conversions and fix upper-bound calculation
    • compiler: support all kinds of deferred builtins
    • compiler: remove ir package
    • compiler: remove unnecessary main.main call workaround
    • compiler: move the setting of attributes to getFunction
    • compiler: create runtime types lazily when needed
    • compiler: move settings to a separate Config struct
    • compiler: work around an ARM backend bug in LLVM
    • interp: rewrite entire package
    • interp: fix alignment of untyped globals
    • loader: use name "main" for the main package
    • loader: support imports from vendor directories
    • stacksize: add support for DW_CFA_offset_extended
    • transform: show better error message in coroutines lowering
  • standard library
    • machine: accept configuration struct for ADC parameters
    • machine: make I2C.Configure signature consistent
    • reflect: implement PtrTo
    • runtime: refactor to simplify stack switching
    • runtime: put metadata at the top end of the heap
  • targets
    • atsam: add a length check to findPinPadMapping
    • atsam: improve USBCDC
    • atsam: avoid infinite loop when USBCDC is disconnected
    • avr: add SPI support for Atmega based chips
    • avr: use Clang for compiling C and assembly files
    • esp32: implement task based scheduler
    • esp32: enable the FPU
    • esp8266: implement task based scheduler
    • esp: add compiler-rt library
    • esp: add picolibc
    • nrf: refactor code a bit to reduce duplication
    • nrf: use SPIM peripheral instead of the legacy SPI peripheral
    • nrf: update nrfx submodule to latest commit
    • nrf52840: ensure that USB CDC interface is only initialized once
    • nrf52840: improve USBCDC
    • stm32: use stm32-rs SVDs which are of much higher quality
    • stm32: harmonization of UART logic
    • stm32: replace I2C addressable interface with simpler type
    • stm32: fix i2c and add stm32f407 i2c
    • stm32: revert change that adds support for channels in interrupts
    • wasm: implement a growable heap
    • wasm: fix typo in wasm_exec.js, syscall/js.valueLoadString()
    • wasm: Namespaced Wasm Imports so they don't conflict across modules, or reserved LLVM IR
    • wasi: support env variables based on libc
    • wasi: specify wasi-libc in a different way, to improve error message
  • boards
    • matrixportal-m4: add support for board Adafruit Matrix Portal M4
    • mkr1000: add this board
    • nucleo-f722ze: add this board
    • clue: correct volume name and add alias for release version of Adafruit Clue board
    • p1am-100: add support for the P1AM-100 (similar to Arduino MKR)
    • microbit-v2: add initial support based on work done by @alankrantas thank you!
    • lgt92: support for STM32L0 MCUs and Dragino LGT92 device
    • nicenano: nice!nano board support
    • circuitplay-bluefruit: correct internal I2C pin mapping
    • clue: correct for lack of low frequency crystal
    • digispark: split off attiny85 target
    • nucleo-l552ze: implementation with CLOCK, LED, and UART
    • nrf52840-mdk-usb-dongle: add this board
Assets 8