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v1.4.4
Unix binary gets tab completion and builtin upip, and more. py core: - allow to compile without needing git to extract version - conform to CPython's way of printing nan/inf with padding - wrap qstr defs in quotes to protect from C preprocessor - add stack check to mp_iternext to catch nested iterators - implement implicit cast to obj for viper load/store index/value - implement native multiply operation in viper emitter - expose KeyboardInterrupt in builtins module - fallback to stack alloca for Python-stack if heap alloc fails - support unicode (utf-8 encoded) identifiers in Python source - implement second arg for math.log (optional value for base) - support mpz bignums in divmod builtin extmod: - add ubinascii.unhexlify - swap address and descriptor args in uctypes constructor lib: - fix some issues with dates prior to 1 Mar 2000 - implemente delete key in readline tools: - pyboard.py: allow pyboard constructor to take a baudrate parameter - pyboard.py: change logic for when raw ">" prompt is parsed - add codestats.sh to compute code statistics such as size, speed unix port: - add option to use uPy readline and enable by default (adds tab completion) - include upip as frozen module within standard uPy executable; standard way to use is: micropython -m upip install <module> - allow to cat a script into stdin from the command line - make micropython -m <module> work for frozen modules windows port: - implement mp_hal_xxx functions and enable uPy readline stmhal port: - raise error if disk is full when writing a file - implement sys.stdin.buffer, sys.stdout.buffer for raw byte mode - remove all PYBVxx defines and use general config vars instead - add support for UART5 if MCU has it - fix slow SPI DMA transfers by removing wfi from DMA wait loop - break immediately from USB CDC busy wait loop if IRQs disabled - make I2C transfers use DMA when possible (when IRQs are enabled) cc3200 port: - add os.rename() - add Timer module - add uhashlib with SHA1 and SHA256 - add ubinascii module - implement full set of wake-on-WLAN features - remove NIC abstraction layer - improve WDT - make peripheral API more similar to stmhal's - improve reliability of ftp and telnet servers - add antenna selection feature to WLAN - add sendbreak method to UART esp8266 port: - add uos module - allow to set CPU frequency to 160MHz using pyb.freq - add pyb.ADC class - to esp module add: mac, phy_mode, sleep_type, deepsleep, flash_id - update SDK to version 1.1.0 (MIT licensed) - fix lost chars when transfering large amounts of data over UART - add skeleton "network" module with bare WLAN() constructor - add WLAN.connect/disconnect functions - change esp_scan to keep the current WiFi operating mode docs: - document esp module - allow to generate separate docs for each port (using ..only directive) - add initial docs for the WiPy
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v1.4.3
Tab autocompletion, and various improvements and bug fixes. py core: - add attrtuple for space efficient tuples with attr access - add sys.implementation, with uPy name and version number - fix printing of "inf" and "nan" values - native: fix stack adjustment when erroring on binary op - mpz: fix bug with shl not truncating zero digits correctly - modify "with" implementation so it doesn't use any heap - add sys.exc_info() - implement conversion of bignum to bytes - implement struct.pack with 'q' and 'Q' args on 32-bit archs - replace py-version.sh with makeversiohdr.py, written in Python - implement tab autocompletion for REPL - rename struct module to ustruct - add NotImplemented builtin constant - handle user instance hash based on Python adhoc rules - fix naming of function arguments when function is a closure - fix printing of complex numbers with nan/inf extmod: - add machine module, with mem8, mem16, mem32 objects lib: - move common mod_network_* functions to lib/netutils - move common time functions to lib/timeutils tools: - pyboard.py: add "--follow" option to wait for output indefinitely - add script to install "upip" package manager tests: - add more viper tests, including for ViperTypeError - coverage at 94% unix port: - modffi: support passing float/double args - add special function to coverage build to improve coverage - print unhandled exceptions to stderr stmhal port: - implement os.uname() - reset timer counter to zero after changing auto reload - properly disable unhandled timer interrupts - automatically reenable IRQs when code drops to the USB REPL - allow to configure UART pins completely via mpconfigboard.h - make raw REPL work with event-driven version of pyexec - add rtc.calibration() method to get/set RTC fine-tuning value - add os.rename() - add readinto() and readlines() methods to sys.stdin and pyb.USB_VCP cc3200 port: - add WiPy specific info to README.md - fix byte order in MAKE_SOCKADDR and UNPACK_SOCKADDR - select NIC when the socket is created - add delays to allow ftp and telnet servers to start/stop - make telnet login work with Tera Term - implement os.uname() - make WLAN scan results a list of attrtuples - make WLAN.isconnected() also work in AP mode - implement Sleep.wake_reason() - make WLAN.ifconfig() return an attrtuple - enable MICROPY_MODULE_WEAK_LINKS esp8266 port: - export station status() constants - add esp.socket class, with ESP-style socket functionality - add raw REPL support and working soft reset - fix garbage collector by hard-coding stack end address - add socket.onsent() callback support - add support for frozen modules - implement time functions - add utime and pyb.RTC - add module weak links docs: - document pyb.stop, pyb.standby, pyb.RTC.wakeup - document USB_VCP read* and write methods
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v1.4.2
Improved native codegen, better printf, support for F401 and F411 MCUs. py core: - implement delete for property and descriptors - add option to disable "enumerate" and "reversed" builtins - can call functions with *args in native emitter - implement full function arg passing for native emitter - combine load_attr and store_attr internal type methods into one - fix formatting of floating point numbers near 1.0 - support assignment of bytes to bytearray slices - overhaul and simplify printf/pfenv mechanism - fix builtin ord so that it can handle bytes values >= 0x80 - inlinethumb: add support for core floating point instructions - make viper code generator raise ViperTypeError on error lib: - string0.c now in lib/libc/ (was in stmhal/) - fatfs code size reduced (by 768 bytes on Thumb2 archs) tests: - more tests for builtins - tests for lexer - coverage increased to 93% stmhal: - make LED object print LED(x) for consistency with constructor - in USB HID driver, make polling interval configurable - allow sending CAN messages with timeout=0 - add support for sending and receiving CAN RTR messages - make board parameters more configurable (HSE PLL, LED4, TIMs, etc) - add support for F401 and F411 MCUs - add support for Espruino Pico board - make raw REPL mode 8-bit clean cc3200 port: - enable pull-ups for stdio UART pins - enable long filename support in fatfs - add WLAN.config_ip(), to assign a static IP - add IPPROTO_SEC so secure sockets can be made tools: - make pyboard.py 8-bit clean, so it works with unicode chars docs: - document pyb.main() function
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v1.4.1
Stackless support, new 16-bit PIC port. py core: - builtin round() accepts second arg - add more special methods: __pos__, __neg__, __invert__ - support for stackless Python calls in VM, strict and non-strict - support for object representation that suits 16-bit archs - implement closures in native code emitter - implement str.splitlines() method lib: - fatfs library upgraded to R0.11 (fixes bugs with unlink) pic16bit port: - new port to 16-bit PIC (reference MCU is dsPIC33J256GP506) - heap is 4600 bytes - implement basic pyb module with delay - implement basic LED and Switch classes docs: - initial docs for micropython module - additional example for Timer callback usage - document instantiating struct objects in uctypes
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v1.4
More Python features, reduced code size, coverage testing at 91%. py core: - add builtin setattr function - optimise exceptions for out-of-memory scenario - add some special methods: __mul__, __floordiv__, __truediv__ - implement array slice assignment - add support for start/stop/step attrs in range object - make builtin abs work with bools and bignums - add basic implementation of collections.OrderedDict - add support for a function's __name__ - refactor compiler code to reduce code size by up to 2k - support for descriptors __get__ and __set__ inline Thumb2 assembler: - more robust syntax checking - general bug fixes - better error messages - add "it" instructions - add bl, bx instructions - add bcc_n, bcc_w instructions extmod: - modure: bug fixes for groups - modure: add named classes lib: - libm: add erf, erfc, lgamma, tgamma drivers: - add onewire driver in pure Python - add ds18x20 temp sensor driver, using onewire - cc3100 driver upgraded to v1.1.0 tests: - lots of new tests, including many for SyntaxError - automated covage testing using coveralls, at 91% coverage unix port: - support for readline history saving to file stmhal port: - usbdev code cleanup - add Python-configurable USB HID mode - add CDC only USB option - improve USB descriptors (untested on Windows and Mac) - add UART.sendbreak() method to send break condition - add support for CAN rx callbacks - raise error if UART can't do requested baudrate within 5% - fix timing init when callback is passed as argument to init - add support for quadrature encoder mode in TimerChannel - fix ADC.read_timed so buffer store respects element size - add RTC.wakeup method to set wakeup timer (preliminary) - add compile-time config option for RTC to use LSE or LSI - bug fix related to unhandled channel interrupts - improved support for stop and standby mode - expose all PYBv1.0 pins, including SD and USB pins - optimise ADC.read_timed so it can sample at up to 750kHz - make pybstdio code usable by other ports cc3200 port: - add I2C module - add ADC module - add SD module - support for connecting to WEP secured networks - add WDT support - add low power support - add SPi module esp8266 port: - add basic pyb.Pin class miscellaneous: - add list of Kickstarter backers in ACKNOWLEDGEMENTS file size difference in bytes to previous version (a negative value means binary is smaller in this version): - bare-arm: -2448 - minimal: -3028 - unix: +574 - stmhal: +7996 - cc3200: -2984 - teensy: -10560 - esp8266: -936 - qemu-arm: -844
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v1.3.10
Bug fixes, CC3200 port, improved inline assembler py core: - big-int bug fixes - support for floats in struct module - vstr no longer null-terminates buff by default - properly handle CR/LF in triple-quoted string - list.sort now has O(log(N)) stack usage - parse big-int/float constants directly in parser - allow to subclass native buffer objects - reduce stack size of VM by 8 bytes on stmhal, 16 on x86 - add ldrex, strex, push, pop, sdiv, udiv, clz, rbit to inline assembler - make inline assembler report line numbers on error extmod: - uzlib: raw deflate decoding support unix port: - add "coverage" makefile target for coverage testing stmhal port: - bug fixes in ADCAll object - bug fix in timer.deinit esp8266 port: - add esp module - add connect, disconnect, status functions cc3200 port: - new port to the CC3200 launchxl board
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v1.3.9
Internal changes, RAM and ROM reductions, new minimal port py core: - lots of small optimisations, cleanups and code size reduction - move away from Plan 9 headers to traditional guarded ones - improved and optimised float to int conversion - fix right-shifting edge cases in mpz - namedtuple: use sequence of strings for init - namedtuple: allow keyword arguments in constructor - ability to issue compile/runtime warnings - str.format now has kwargs support - put all global state togther in a state structure - optimisation to cache map lookup results in bytecode - fix handling of "0" in some mpz functions - implement equality check for all types - add qstr cfg capability - can now configure qstr len storage; defaults to using 1 byte - allow code to compile with lots more warnings enabled - add LOAD_CONST_OBJ bytecode, to directly load Python objects - never intern data of large str/bytes objects - fix handling of default except in compiler - add extra pass to bytecode compiler to compute stack size - implement very simple frozen modules support - implement __reversed__ slot - implement proper re-raising in native codegen's finally handler lib: - move readline code from stmhal to lib/mp-readline/ - readline refactored to support event-driven usage - add frexp and modf to libm minimal port: - new port, intended to represent minimal working code stmhal port: - collect root pointers together; improves GC speed - add MICROPY_HW_USB_VBUS_DETECT_PIN option - add MICROPY_HW_USB_OTG_ID_PIN option - add support for FEZ Cerb40 II board - bug fixes in network module and usocket.accept, setsockopt qemu-arm port: - enable GC and native code-gen - add working tests - get tests running under Travis CI esp8266 port: - use dedicated heap allocated as static array - implement task-based, event-driven interface with UART - implement pyb.hard_reset()
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v1.3.8
Feature additions to core, unix and stmhal; general improvements. py core: - implement +, +=, .extend for bytarray and array objs - add mem_info, qstr_info to micropython module - bytes/bytearray/array can be init'd by buffer protocol objs - optimised lexer by exposing lexer type; gives ROM savings - add sys.print_exception - allow builtins to be overridden - fixed all semantic issues with range optimisation - compiler gives proper SyntaxError exceptions for bad global/nonlocal - reduce VM exception stack size by 1 machine word per exception - make bytes objs work with more str methods - refactor and make mp_bytecode_print and friends more useful - start transition to guarded includes - lots of code cleanup - some ROM savings extmod: - add ubinascii module, with hexlify unix port: - add _os.unlink, _os.system functions - 64-bit clean in ffi module - time module renamed to utime stmhal port: - add USB_VCP.setinterrupt method, to disable CTRL-C - make pyb.[u]delay work when irqs are disabled - overhaul of internal network driver interface - bug fixes to CC3K and WIZNET5K network drivers - use DMA for SPI transfers (only if irqs enabled) - allow SPI.init to specify prescaler directly - enhance pyb.freq to configure bus frequencies - add more math functions (acosh, asinh, atanh, tan) - add execfile function - upgrade to latest FatFs driver (now in lib/) - add ability to mount custom block device esp8266 port: - put more rodata in irom section - add README.md docs: - basic docs for uhashlib, ubinascii, ure, uzlib - links to LCD and AMP skin schematics - general improvements
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v1.3.7
Port to ESP8266, add uhashlib, improved CAN driver. py core: - support more ops for bytes/bytarray - support __hash__ for user-defined types - support for float/double arrays in array module - shorter error messages for TERSE message option - add seek via ioctl to stream protocol extmod: - add uhashlib with sha256 unix port: - heapsize can take w specifier for word adjustment stmhal port: - CAN init now takes sjw, bs1, bs2 args - add CAN filter management - fix HAL error raising bug esp8266 port: - new port to ESP8266 wifi chip docs: - minor additions
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v1.3.6
Improved documentation, and other small changes. py core: - add builtin round function - gc.enable/disable still allows manual GC (as per CPython) - fix builtin callable for user-defined types - fix bug for right shift of small int by large amount unix port: - add "fast" version - improve uctypes, including sizeof function stmhal port: - support for extended CAN frames - USB_VCP works with select - experimental support for RTS/CTS in UART - make UART bits count number of data bits, not incl parity - pyb.freq now allows 8MHz and 16MHz docs: - revamp and merge all inline docs into Sphinx framework - add a few more tutorials
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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 docs: - add quick reference page with pinout
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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
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v1.3.3
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
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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.
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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
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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
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v1.2
v1.2: Unicode support (disabled by default); bug fixes and minor features added.
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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.
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v1.1
v1.1: Many bug fixes, enhancements and features.
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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.