[讨论] micropython更新：2020.6

开始改进对STM32WB的支持。

• docs/reference: Add note about multiple exceptions when heap is locked.
• minimal: Make build more flexible and work as 64-bit build. 
• lib/utils/pyexec: Add missing MP_ERROR_TEXT when compiler disabled.
• py/modbuiltins: Fix getattr to work with class raising AttributeError. 
• stm32/Makefile: Quote libgcc path so spaces are not an issue. 
• qemu-arm/README: Update link to toolchain. 
• stm32/boards/xxx_WB55: Enable pyb.ADC and hardware SPI on WB55 boards. 
• stm32/dma: Add support for DMA on STM32WB, with SPI settings provided.
• stm32/machine_adc: Make setting of ADC1_COMMON->CCR clearer on STM32WB.
• stm32/adc: Add support to pyb.ADC for STM32WB MCUs.
• stm32/modmachine: Allow changing AHB and APB bus frequencies on STM32WB. 
• stm32/machine_uart: Allow re-init'ing a static UART object. 

• examples/bluetooth: Fix incorrect value of BR/EDR flag in advertising. 
• extmod/modbluetooth: Support bigger characteristic values. 
• extmod/modbluetooth: Ensure status=0 always on success. 
• docs/library: Update ubluetooth for new events and discover by uuid.
• tests/multi_bluetooth: Update to work with new BLE events. 
• extmod/modbluetooth: Implement read done event. 
• extmod/modbluetooth: Allow discovery of svc/char by uuid. 
• extmod/modbluetooth: Add discover complete events for svc/char/desc. 
• extmod/modbluetooth: Make modbluetooth event not a bitfield. 
• mimxrt: Add initial impl of machine.LED class, and basic pin support. 

 越来越给力

• docs: Fix Sphinx 3.x warnings, and enable warnings-as-errors on build. 
• github: Add GitHub action to build docs. 
• esp32/mpthreadport: Fix calculation of thread stack size. 
• qemu-arm: Support building in debug mode with DEBUG=1. 


 

• mimxrt/boards: Integrate support for MIMXRT1020_EVK board.
• mimxrt/boards: Enable LED class for MIMXRT1060_EVK board.
• esp32: Update IDF v4.0 supported hash to v4.0.1. 
• extmod/ure: Use single function for match/search/sub. 
• py/dynruntime.h: Make mp_obj_str_get_str raise if arg not a str/bytes.
• mimxrt/tusb_config.h: Preliminary fix for TinyUSB HS endpoint overflow. 

• mimxrt/boards: Set __heap_size__ to 0 in MIMXRT1011.ld. 
• docs/esp8266: Add quickref documentation for UART on esp8266. 
• tests/run-multitests.py: Allow passing unique env vars to each instance. 
• unix/btstack_usb: Allow choosing adaptor via environment variable. 
• examples/bluetooth: Fix event code in ble_temperature_central.py.
• extmod/modbluetooth: Register default GATT service and fix esp32 init. 
• extmod/uasyncio: Add asyncio.wait_for_ms function. 
• py/obj.h: Clarify comments about mp_map_t is_fixed and is_ordered. 
• py/objtype: Use mp_obj_dict_copy() for creating obj.__dict__ attribute. 
• py/objtype: Add __dict__ attribute for class objects. 


 

• tests/basics: Add tests for variable annotations.
• py/compile: Implement PEP 526, syntax for variable annotations. 
• py/grammar.h: Consolidate duplicate sub-rules for :test and =test.
• tests/cpydiff: Add CPy diff test for assignment expression behaviour.
• tests/basics: Add tests for assignment operator :=.
• ports: Disable MICROPY_PY_ASSIGN_EXPR in bare-arm and minimal ports. 
• py/compile: Implement PEP 572, assignment expressions with := operator. 
• py/compile: Convert scope test to SCOPE_IS_COMP_LIKE macro.
• tools/uncrustify: Update config for v0.71.0. 
• tools/codeformat.py: Remove sizeof fixup. 
• tools/uncrustify.cfg: Remove deprecated sp_word_brace option. 
• top: Update contribution and commit guide to include optional sign-off. 


 

• travis: Change nrf pca10056 board to build with soft-device enabled. 
• nrf/bluetooth: Use MP_ERROR_TEXT for all error messages. 
• stm32/rfcore: Leave txpower level as default when initialising rfcore. 
• stm32/usb: Add support for 2xVCP on L0, L432 and WB MCUs. 
• stm32/factoryreset: Provide empty create-FS function when FAT disabled. 
• esp32/esp32_rmt: Extend RMT to support carrier feature. 


 

• travis: In stm32 job, build mboot for NUCLEO_WB55. 
• stm32/boards: Add build-time option for NUCLEO_WB55 to use mboot. 
• stm32/mboot: Add support for using mboot with WB MCUs. 
• stm32/mboot: Use CMSIS system source code for SystemInit function. 
• stm32/mboot: Use flash routines from main stm32 code rather than custom. 
• stm32/flash: Add flash_is_valid_addr, and extend sectors for 2MB F7. 
• stm32/i2cslave: Add support for WB MCUs. 
• stm32/flash: Make flash C-API reusable, and funcs return an error code. 
• stm32/powerctrlboot: Include irq.h to get definitions of IRQ priorities. 
• stm32/irq: Clean up irq.h so it does not depend on core uPy defines. 
• travis: Build qemu-arm with MP_ENDIANNESS_BIG=1 to test bigendian build. 
• qemu-arm/Makefile: Add CFLAGS_EXTRA to CFLAGS. 
• py/misc.h: Add missing semi-colon in mp_float_union_t for big-endian. 
• esp32/esp32_rmt: Call rmt_driver_install before rmt_config. 
• tools/uncrustify: Enable more opts to remove space between func and '('. 
• tools/codeformat.py: Include extmod/{btstack,nimble} in code formatting. 
• stm32/boards/NUCLEO_WB55: Add more CPU pins and aliases to SW1/2/3. 
• github: Add FUNDING.yml file pointing to micropython GitHub sponsorship. 

• stm32/boards: Enable LFS2 on PYBD_SF3 and PYBD_SF6. 
• stm32/timer: Support TIM1 on WB MCUs. 
• stm32/mpconfigport.h: Enable PY_IO_FILEIO when any VFS is enabled. 
• extmod/vfs_lfs: Fix littlefs bindings to build in nan-box mode. 
• tools/makemanifest.py: Support freezing a subdirectory recursively. 
• py/objtype: Support passing in an OrderedDict to type() as the locals. 
• extmod/moductypes: Use mp_obj_is_dict_or_ordereddict to simplify code. 
• py/obj.h: Add public mp_obj_is_dict_or_ordereddict() helper macro. 
• stm32/mboot: Use additional CFLAGS to compile string0.c. 
• stm32/mboot: Set VTOR on start up to ensure it has the correct value. 

• py/objcomplex: Add mp_obj_get_complex_maybe for use in complex bin-op. 
• py/emitnative: Implement binary operations for viper uint operands. 
• py/asm: Add condition codes for signed comparisons. 
• py/asm: Add funcs/macros to emit machine code for logical-shift-right. 
• stm32/i2cslave: Pass I2C instance to callbacks to support multi I2Cs. 
• travis: Build mboot for PYBV10 with LFS2 enabled in stm32 job. 
• stm32/mboot: Update README to describe WB and littlefs support. 
• stm32/mboot: Add support for littlefs. 
• stm32/mboot: Decouple stream, filesystem and top-level loading code. 
• stm32/mboot: Don't search for firmware on FS, just attempt to open it.