Tags give the ability to mark specific points in history as being important
  • v1.3.5
    RAM savings, memoryview, quick-ref and more.
    Improvements to core:
    - make better use of bytecode coding space
    - about 10% RAM savings in bytecode
    - add uheapq module
    - add memoryview builtin
    - add compile builtin
    - support in VM for KeyboardInterrupt
    - fix integer modulo with negative arguments
    - small GC fixes
    - add 2nd arg to readinto
    New features in unix port:
    - CTRL-C raises KeyboardInterrupt
    - heapsize option takes K and M
    - -m option to execute library module
    stmhal improvements:
    - make MMA_INT/PB2 pin available
    - add pyb.hard_reset()
    - cc3k recv improments
    - all HAL errors now raise OSError with POSIX error code
    - USB config improved for windows (CDC on Windows 10 without driver)
    - use different USB PID when in CDC+HID mode (so HID works in Windows)
    - boot.py and main.py use \r\n for newlines
    - change SPI phase from 1,2 to 0,1 to match industry conventions
    - allow DAC object to be init'd from pin
    - improved raw REPL control codes
    - improved pyboard.py script
    - add quick reference page with pinout
  • v1.3.4
    Add regex and CAN, improve UART, and more.
    py core:
    - add basic regex support using re1.5 library
    - replace zlibd with uzlib
    - compiler returns proper exception on SyntaxError
    - proper context saving for eval/exec
    - use mp_[u]int_t in most places instead of [u]int
    - better ARM support in native emitter
    - autodetect machine endianness
    - better big endian support
    - memory errors from locked gc can be reported
    - more robust lexer when out of memory
    - rename modules to begin with u-, and add module weak links
    - more native binops in viper emitter
    - native pointers with load+store in viper
    - fix GC realloc so that chunks are shrunk correctly
    - compiler optimisations for constant if/while conds
    - add kwargs for builtin open() and FileIO
    - enable unicode on windows
    stmhal port:
    - add basic CAN bus support
    - overhaul UART class to use read/write
    - add NRF24L01 driver (in pure Python)
    - pyb.freq can change SYSCLK
    - add pyb.stop and pyb.standby
    - can set Timer freq using float
    - Timer supports complementary channel and deadtime
    - add retry for SD card init
  • v1.3.3
    0bbe4de5 · stmhal: Update help text. ·
    Network support in stmhal, and improved viper compiler.
    Changes in core:
    - tidy up native emitter and assemblers
    - viper can compiler more binary ops
    - viper supports casting (int, ptr8, ptr16)
    - viper can compile native stores (eg p[1] = 42)
    - remove IOError (use OSError instead)
    stmhal port:
    - fix OSX mass storage issue, so pyboard can be left plugged in
    - add network and usocket modules with CC3000 and WIZnet5k support
      (disabled by default)
    - improved percent option in timer PWM
    - add pyb.elapsed_millis, pyb.elapsed_micros
    - internal flash is labelled as "pybflash" on creation
    - don't init NSS pin when initialising SPI bus with NSS_SOFT mode
  • v1.3.2
    Changes in core:
    - bytecode prelude uses less RAM
    - free non-interned strings earlier
    - add builtins module
    - add ujson module with dumps and loads
    - mpz div changed so that mpz is more efficient
    - some compiler optimisations
    - some simplifications of the code
    - bug fix memcpy -> memmove
    - changed most instances of int/uint to mp_int_t/mp_uint_t
    - added ioctl method to stream protocol
    - divmod, % and // support for floating-point numbers
    Native emitter enhancements:
    - bug fixes
    - support for delete name and global
    - support for end finally
    - x86 support
    - x86-64 can use extended regs
    unix port:
    - MIPS compilation support
    stmhal port:
    - add generic select module
    - ability to select/poll on UART objects
    - proper SDHC support (cards > 4gb now work)
    - enhanced timer support (PWM, OC, IC)
    - big fix with miss-aligned stack pointer
    - more math functions implemented
    Added drivers subdirectory with WIZNet5200 support
    (disabled by default).
    Added docs subdirectory and moved to Sphinx docs.
    Improved teensy support.
  • v1.3.1
    Bug fixes, viper improvements, and more
    New features in core:
    - min and max accept key= argument
    - accepts user defined ==, >, <=, >=
    - native support for ARM (non thumb)
    - cut RAM and ROM usage of zlibd
    - significant GC allocation speed up
    Viper improvements:
    - type annotations
    - store to global
    - call functions with native types
    - raise exceptions
    Bug fixes to core:
    - fix multiplication of a sequence by negative number
    - GC bug fix where native code was being collected
    - int(b'1234') now works
    - can now make strings longer than 64k
    unix port:
    - modtermios for unix
    - make install for unix
    stmhal port:
    - reduced code size by 35k
    - put some code into first 16k block
    - in safe mode SD card is still presented as MSD
    - SD card init fixes; should be more reliable
    - added time.mktime; enhanced time.localtime
    - new Pin functions: mode, pull, af
    - nestable enable_irq/disable_irq
    - added pyb.micros()
    - added USB_VCP.any()
    - STM32F4DISC accel support via staccel.py script
  • v1.3
    v1.3: New features and many bug fixes.
    New features include:
    - file.flush, os.stat
    - unicode enabled by default on unix and stmhal ports
    - print function accepts file= argument
    - I2C object allows for 16-bit mem addr
    - emergency exception buffer for improved exception traceback
    - USB_VCP object
    - 0:/ and 1:/ changed to /flash and /sd
    - improved Pin object
    - can set pin alternate function from Python
    - builtin reversed, can len() and subscr range objects
    - added moductypes
    - added modzlibd for DEFLATE decompression
    Code improvements include:
    - more efficient line-number to bytecode mapping
    - new STM HAL driver v1.3.0
    Bug fixes include:
    - mpz (bignum) fixes
    - accel startup improved
    - important bug fix in GC
  • v1.2
    v1.2: Unicode support (disabled by default); bug fixes and minor features added.
  • v1.1.1
    v1.1.1: Improved LCD driver, UART REPL and some bug fixes.
    Bumping version because this binary will be put on the next batch of pyboards.
  • v1.1
    v1.1: Many bug fixes, enhancements and features.
  • v1.0.1
    v1.0.1: mostly bug fixes for stmhal/, features for py/.
    Main bug fixes: flushing USB CDC correctly, setting RTC.
    Main features for stmhal: improved native and viper emitters.
    This version goes on the next batch of pyboards.
  • v1.0
    Version 1.0!  This is shipping with the next batch of pyboards.
  • v1.0-rc1
    Preparing for v1.0.