[分享] micropython更新：2020.4

• unix/mpthreadport: Ensure enough thread stack to detect overflow. 
• unix/mpthreadport: Ensure enough thread stack to detect overflow. 
• tests/float: Add new lexer test to test parsing of float without prefix. 
• tests: Format all Python code with black, except tests in basics subdir. 
• tests/micropython/heapalloc_fail_set.py: Remove extra trailing comma. 
• travis: Build full unix coverage build on osx job. 
• all: Fix implicit casts of float/double, and signed comparison. 
• tools/pyboard.py: Add -d as an alias for --device.
• tools/pyboard.py: Support setting device/baudrate from shell env vars. 


 

• esp32: Change from FAT to littlefs v2 as default filesystem. 
• travis: Build GENERIC_1M board as part of esp8266 job.
• esp8266/makeimg.py: Print out info about RAM segments when building fw.
• esp8266: Change from FAT to littlefs v2 as default filesystem. 
• docs,tests: Add docs and test for uasyncio custom exc handler methods.
• extmod/uasyncio: Add global exception handling methods. 
• esp32/README.md: Fix typo in venv instructions.
• extmod/uasyncio: Add StreamReader/StreamWriter as aliases of Stream cls. 
• extmod/uasyncio: Add error message to Lock.release's RuntimeError. 
• extmod/uasyncio: Implement Loop.stop() to stop the event loop.
• extmod/uasyncio: Don't create a Loop instance in get_event_loop(). 

 

感谢老师分享

• travis: Make OSX build work again by not installing pkgconfig. 
• extmod/modbluetooth: Provide FLAG_WRITE_NO_RESPONSE for characteristics. 
• extmod/btstack: Pass through SCAN_RSP events. 
• lib/btstack: Update to latest master btstack commit.
• drivers/display/ssd1306.py: Change the SET_COM_PIN_CFG setting. 
• ports: Enable error text compression for various ports, but not all. 
• all: Use MP_ERROR_TEXT for all error messages.
• py/objexcept: Allow compression of exception message text. 
• windows: Update genhdr.targets to match makeqstrdefs.py args.
• py: Implement "common word" compression scheme for error messages. 
• extmod/modubinascii: Make code private and module self-contained. 
• py/dynruntime.mk: Set MICROPY_ENABLE_DYNRUNTIME instead of per module. 
• stm32/Makefile: Add missing ordering dependency on generated headers.
• py: Use preprocessor to detect error reporting level (terse/detailed). 


 

• docs/library: Note that uasyncio.wait_for() can raise exception.
• esp32/espneopixel: Use integer arithmetic to compute timing values.
• py/objexcept: Remove optional TimeoutError exception. 
• py/parse: Remove unnecessary check in const folding for ** operator. 
• tests/extmod: Update littlefs test output to match new library version. 
• lib/littlefs: Update littlefs2 to v2.2.0. 


 

这次更新有两个值得特别注意的，一个是LittleFS更新到 v2.2.0，另外一个是改进了ESP32对WS2812驱动的时间计算方法。

• py/scope: Add assert to check that low numbered qstrs do fit in uint8_t.
• py/makecompresseddata.py: Don't prefix str with mark if not compressed.
• all: Clean up error strings to use lowercase and change cannot to can't. 
• extmod/uasyncio: Add Loop.new_event_loop method. 
• unix/Makefile: Fix regression using install on non-GNU systems. 
• py/scheduler: Add assert that scheduler is locked when unlocking. 
• py/scheduler: Fix race in checking scheduler pending state. 
• unix: Implement MICROPY_BEGIN/END_ATOMIC_SECTION protection macros. 
• unix: Fix behaviour of COPT/NDEBUG for unix variants. 
• tests/run-tests: Make diff tool user configurable.
• travis: Split esp32 ESP-IDF v3 and v4 builds to separate jobs. 

• stm32/mboot/README: Clarify that mboot can access FAT formatted FS only.
• stm32/storage: Fix start address of second, internal block device.
• mpy-cross/main: Print uncaught nlr jump to stderr. 
• mpy-cross/main: Fix stderr_print_strn parameter type. 
• esp32: Update to ESP IDF v3.3.2.
• py: Always give noop defines when MICROPY_ROM_TEXT_COMPRESSION disabled. 
• extmod/uasyncio: Change cannot to can't in error message, and test exp. 


 

• docs/library: Document that char_data/notify_data are also references.
• stm32/mboot: Expose custom DFU USB VID/PID values at makefile level. 
• all: Enable extra conversion warnings where applicable. 
• py/objint: Do not use fpclassify. 
• all: Fix implicit floating point to integer conversions. 
• all: Fix implicit conversion from double to float. 
• py/objarray: Fix sign mismatch in comparison. 
• tests/float: Fix cmath_fun_special for MICROPY_FLOAT_IMPL_FLOAT. 
• all: Fix implicit floating point promotion. 
• Revert "all: Fix implicit casts of float/double, and signed comparison." 
• travis: Finish jobs early after test failure. 
• travis: Decrease build duration by starting OSX build early. 


 

• README: Fix small typo, dfeault -> default.
• all: Format code to add space after C++-style comment start. 
• all: Remove commented-out include statements.
• esp32: Consolidate check_esp_err functions and add IDF error string. 
• esp32/modesp32: Add idf_heap_info(capabilities) to esp32 module. 
• README: Update Travis CI links to point to travis-ci.com. 
• tools/check_code_size.sh: Remove unused script. 
• travis: Use tools/metrics.py to compute size diff of minimal ports. 
• tools/metrics.py: Use OrderedDict when reading build log. 
• tools/metrics.py: Don't build mpy-cross if not needed by any ports. 
• tools/metrics.py: Add option to diff to error if delta above threshold. 
• py/makecompresseddata.py: Make compression deterministic. 


 

最近蓝牙的更新比较多

• all: Factor gchelper code to one place and use it for unix & ARM ports. 
• unix: Add btstack to the unix submodules list. 
• extmod/modbluetooth: Fix sign compare and unused variable warnings.
• lib/btstack: Update to c8b9823 for USB HCI reset timeout fix.
• unix: Enable modbluetooth on the "dev" and "coverage" variants. 
• tests/run-multitests.py: Add shortcuts for local Python instances. 
• tests/multi_bluetooth/ble_gap_advertise: Fix bytes/str compare warning.
• tests/run-multitests.py: Allow filtering out lines from stdout. 
• unix: Add support for modbluetooth and BLE using btstack. 
• extmod/btstack: Implement more robust init/deinit sequencing.
• stm32/main: Peform a clean shutdown of btstack on soft reset. 
• extmod/modbluetooth: Don't hold atomic section during mp_sched_schedule. 
• stm32/Makefile: Rename SRC_LIB to LIB_SRC_C to match other ports.
• unix/modmachine: Add machine.idle(), implemented using sched_yield. 
• tests/extmod: Add btree test for errors raised by btree DB library. 
• py/modio: Allow uio.IOBase streams to return errno for read/write error. 
• py/stream: Remove mp_stream_errno and use system errno instead. 
• py/objdict: Fix popitem for ordered dicts. 
• extmod/nimble: Update to work with NimBLE 1.3.
• lib/mynewt-nimble: Update submodule to NimBLE release 1.3.0.