circuitpython/py/py.mk

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# where py object files go (they have a name prefix to prevent filename clashes)
PY_BUILD = $(BUILD)/py
# where autogenerated header files go
HEADER_BUILD = $(BUILD)/genhdr
# file containing qstr defs for the core Python bit
PY_QSTR_DEFS = $(PY_SRC)/qstrdefs.h
TRANSLATION ?= en_US
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# If qstr autogeneration is not disabled we specify the output header
# for all collected qstrings.
ifneq ($(QSTR_AUTOGEN_DISABLE),1)
QSTR_DEFS_COLLECTED = $(HEADER_BUILD)/qstrdefs.collected.h
endif
# Any files listed by these variables will cause a full regeneration of qstrs
# DEPENDENCIES: included in qstr processing; REQUIREMENTS: not included
QSTR_GLOBAL_DEPENDENCIES += $(PY_SRC)/mpconfig.h mpconfigport.h
QSTR_GLOBAL_REQUIREMENTS += $(HEADER_BUILD)/mpversion.h
# some code is performance bottleneck and compiled with other optimization options
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CSUPEROPT = -O3
# Enable building 32-bit code on 64-bit host.
ifeq ($(MICROPY_FORCE_32BIT),1)
CC += -m32
CXX += -m32
LD += -m32
endif
# External modules written in C.
ifneq ($(USER_C_MODULES),)
# pre-define USERMOD variables as expanded so that variables are immediate
# expanded as they're added to them
SRC_USERMOD :=
SRC_USERMOD_CXX :=
CFLAGS_USERMOD :=
CXXFLAGS_USERMOD :=
LDFLAGS_USERMOD :=
$(foreach module, $(wildcard $(USER_C_MODULES)/*/micropython.mk), \
$(eval USERMOD_DIR = $(patsubst %/,%,$(dir $(module))))\
$(info Including User C Module from $(USERMOD_DIR))\
$(eval include $(module))\
)
SRC_MOD += $(patsubst $(USER_C_MODULES)/%.c,%.c,$(SRC_USERMOD))
SRC_MOD_CXX += $(patsubst $(USER_C_MODULES)/%.cpp,%.cpp,$(SRC_USERMOD_CXX))
CFLAGS_MOD += $(CFLAGS_USERMOD)
CXXFLAGS_MOD += $(CXXFLAGS_USERMOD)
LDFLAGS_MOD += $(LDFLAGS_USERMOD)
endif
ifeq ($(CIRCUITPY_ULAB),1)
ULAB_SRCS := $(shell find $(TOP)/extmod/ulab/code -type f -name "*.c")
SRC_MOD += $(patsubst $(TOP)/%,%,$(ULAB_SRCS))
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CFLAGS_MOD += -DCIRCUITPY_ULAB=1 -DMODULE_ULAB_ENABLED=1 -iquote $(TOP)/extmod/ulab/code
$(BUILD)/extmod/ulab/code/%.o: CFLAGS += -Wno-missing-declarations -Wno-missing-prototypes -Wno-unused-parameter -Wno-float-equal -Wno-sign-compare -Wno-cast-align -Wno-shadow -DCIRCUITPY
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endif
# py object files
PY_CORE_O_BASENAME = $(addprefix py/,\
mpstate.o \
nlr.o \
nlrx86.o \
nlrx64.o \
nlrthumb.o \
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nlraarch64.o \
nlrpowerpc.o \
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nlrxtensa.o \
nlrsetjmp.o \
malloc.o \
gc.o \
Introduce a long lived section of the heap. This adapts the allocation process to start from either end of the heap when searching for free space. The default behavior is identical to the existing behavior where it starts with the lowest block and looks higher. Now it can also look from the highest block and lower depending on the long_lived parameter to gc_alloc. As the heap fills, the two sections may overlap. When they overlap, a collect may be triggered in order to keep the long lived section compact. However, free space is always eligable for each type of allocation. By starting from either of the end of the heap we have ability to separate short lived objects from long lived ones. This separation reduces heap fragmentation because long lived objects are easy to densely pack. Most objects are short lived initially but may be made long lived when they are referenced by a type or module. This involves copying the memory and then letting the collect phase free the old portion. QSTR pools and chunks are always long lived because they are never freed. The reallocation, collection and free processes are largely unchanged. They simply also maintain an index to the highest free block as well as the lowest. These indices are used to speed up the allocation search until the next collect. In practice, this change may slightly slow down import statements with the benefit that memory is much less fragmented afterwards. For example, a test import into a 20k heap that leaves ~6k free previously had the largest continuous free space of ~400 bytes. After this change, the largest continuous free space is over 3400 bytes.
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gc_long_lived.o \
py: Introduce a Python stack for scoped allocation. This patch introduces the MICROPY_ENABLE_PYSTACK option (disabled by default) which enables a "Python stack" that allows to allocate and free memory in a scoped, or Last-In-First-Out (LIFO) way, similar to alloca(). A new memory allocation API is introduced along with this Py-stack. It includes both "local" and "nonlocal" LIFO allocation. Local allocation is intended to be equivalent to using alloca(), whereby the same function must free the memory. Nonlocal allocation is where another function may free the memory, so long as it's still LIFO. Follow-up patches will convert all uses of alloca() and VLA to the new scoped allocation API. The old behaviour (using alloca()) will still be available, but when MICROPY_ENABLE_PYSTACK is enabled then alloca() is no longer required or used. The benefits of enabling this option are (or will be once subsequent patches are made to convert alloca()/VLA): - Toolchains without alloca() can use this feature to obtain correct and efficient scoped memory allocation (compared to using the heap instead of alloca(), which is slower). - Even if alloca() is available, enabling the Py-stack gives slightly more efficient use of stack space when calling nested Python functions, due to the way that compilers implement alloca(). - Enabling the Py-stack with the stackless mode allows for even more efficient stack usage, as well as retaining high performance (because the heap is no longer used to build and destroy stackless code states). - With Py-stack and stackless enabled, Python-calling-Python is no longer recursive in the C mp_execute_bytecode function. The micropython.pystack_use() function is included to measure usage of the Python stack.
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pystack.o \
qstr.o \
vstr.o \
mpprint.o \
unicode.o \
mpz.o \
reader.o \
lexer.o \
parse.o \
scope.o \
compile.o \
emitcommon.o \
emitbc.o \
asmbase.o \
asmx64.o \
emitnx64.o \
asmx86.o \
emitnx86.o \
asmthumb.o \
emitnthumb.o \
emitinlinethumb.o \
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asmarm.o \
emitnarm.o \
asmxtensa.o \
emitnxtensa.o \
emitinlinextensa.o \
emitnxtensawin.o \
formatfloat.o \
parsenumbase.o \
parsenum.o \
emitglue.o \
persistentcode.o \
runtime.o \
runtime_utils.o \
scheduler.o \
nativeglue.o \
pairheap.o \
ringbuf.o \
stackctrl.o \
argcheck.o \
warning.o \
profile.o \
map.o \
enum.o \
obj.o \
objarray.o \
objattrtuple.o \
objbool.o \
objboundmeth.o \
objcell.o \
objclosure.o \
objcomplex.o \
objdeque.o \
objdict.o \
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objenumerate.o \
objexcept.o \
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objfilter.o \
objfloat.o \
objfun.o \
objgenerator.o \
objgetitemiter.o \
objint.o \
objint_longlong.o \
objint_mpz.o \
objlist.o \
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objmap.o \
objmodule.o \
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objobject.o \
objpolyiter.o \
objproperty.o \
objnone.o \
objnamedtuple.o \
objrange.o \
objreversed.o \
objset.o \
objsingleton.o \
objslice.o \
objstr.o \
objstrunicode.o \
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objstringio.o \
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objtraceback.o \
objtuple.o \
objtype.o \
objzip.o \
opmethods.o \
protocols: Allow them to be (optionally) type-safe Protocols are nice, but there is no way for C code to verify whether a type's "protocol" structure actually implements some particular protocol. As a result, you can pass an object that implements the "vfs" protocol to one that expects the "stream" protocol, and the opposite of awesomeness ensues. This patch adds an OPTIONAL (but enabled by default) protocol identifier as the first member of any protocol structure. This identifier is simply a unique QSTR chosen by the protocol designer and used by each protocol implementer. When checking for protocol support, instead of just checking whether the object's type has a non-NULL protocol field, use `mp_proto_get` which implements the protocol check when possible. The existing protocols are now named: protocol_framebuf protocol_i2c protocol_pin protocol_stream protocol_spi protocol_vfs (most of these are unused in CP and are just inherited from MP; vfs and stream are definitely used though) I did not find any crashing examples, but here's one to give a flavor of what is improved, using `micropython_coverage`. Before the change, the vfs "ioctl" protocol is invoked, and the result is not intelligible as json (but it could have resulted in a hard fault, potentially): >>> import uos, ujson >>> u = uos.VfsPosix('/tmp') >>> ujson.load(u) Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: syntax error in JSON After the change, the vfs object is correctly detected as not supporting the stream protocol: >>> ujson.load(p) Traceback (most recent call last): File "<stdin>", line 1, in <module> OSError: stream operation not supported
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proto.o \
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reload.o \
sequence.o \
stream.o \
binary.o \
builtinimport.o \
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builtinevex.o \
builtinhelp.o \
modarray.o \
modbuiltins.o \
modcollections.o \
modgc.o \
modio.o \
modmath.o \
modcmath.o \
modmicropython.o \
modstruct.o \
modsys.o \
moduerrno.o \
modthread.o \
vm.o \
bc.o \
showbc.o \
repl.o \
smallint.o \
frozenmod.o \
)
PY_EXTMOD_O_BASENAME = \
extmod/moduasyncio.o \
extmod/moductypes.o \
extmod/modujson.o \
extmod/modure.o \
extmod/moduzlib.o \
extmod/moduheapq.o \
extmod/modutimeq.o \
extmod/moduhashlib.o \
extmod/modubinascii.o \
extmod/modurandom.o \
extmod/moduselect.o \
extmod/modframebuf.o \
extmod/vfs.o \
extmod/vfs_blockdev.o \
extmod/vfs_reader.o \
extmod/vfs_posix.o \
extmod/vfs_posix_file.o \
extmod/vfs_fat.o \
extmod/vfs_fat_diskio.o \
extmod/vfs_fat_file.o \
extmod/vfs_lfs.o \
extmod/utime_mphal.o \
shared/libc/abort_.o \
shared/libc/printf.o \
# prepend the build destination prefix to the py object files
PY_CORE_O = $(addprefix $(BUILD)/, $(PY_CORE_O_BASENAME))
PY_EXTMOD_O = $(addprefix $(BUILD)/, $(PY_EXTMOD_O_BASENAME))
# this is a convenience variable for ports that want core, extmod and frozen code
PY_O = $(PY_CORE_O) $(PY_EXTMOD_O)
# object file for frozen code specified via a manifest
ifneq ($(FROZEN_MANIFEST),)
PY_O += $(BUILD)/$(BUILD)/frozen_content.o
endif
# Sources that may contain qstrings
SRC_QSTR_IGNORE = py/nlr%
SRC_QSTR_EMITNATIVE = py/emitn%
SRC_QSTR += $(SRC_MOD) $(filter-out $(SRC_QSTR_IGNORE),$(PY_CORE_O_BASENAME:.o=.c)) $(PY_EXTMOD_O_BASENAME:.o=.c)
# Sources that only hold QSTRs after pre-processing.
SRC_QSTR_PREPROCESSOR = $(addprefix $(TOP)/, $(filter $(SRC_QSTR_EMITNATIVE),$(PY_CORE_O_BASENAME:.o=.c)))
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# Anything that depends on FORCE will be considered out-of-date
FORCE:
.PHONY: FORCE
$(HEADER_BUILD)/mpversion.h: FORCE | $(HEADER_BUILD)
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$(STEPECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makeversionhdr.py $@
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# mpconfigport.mk is optional, but changes to it may drastically change
# overall config, so they need to be caught
MPCONFIGPORT_MK = $(wildcard mpconfigport.mk)
$(HEADER_BUILD)/$(TRANSLATION).mo: $(TOP)/locale/$(TRANSLATION).po | $(HEADER_BUILD)
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$(Q)msgfmt -o $@ $^
$(HEADER_BUILD)/qstrdefs.preprocessed.h: $(PY_QSTR_DEFS) $(QSTR_DEFS) $(QSTR_DEFS_COLLECTED) mpconfigport.h $(MPCONFIGPORT_MK) $(PY_SRC)/mpconfig.h | $(HEADER_BUILD)
$(STEPECHO) "GEN $@"
$(Q)cat $(PY_QSTR_DEFS) $(QSTR_DEFS) $(QSTR_DEFS_COLLECTED) | $(SED) 's/^Q(.*)/"&"/' | $(CPP) $(CFLAGS) - | $(SED) 's/^"\(Q(.*)\)"/\1/' > $@
# qstr data
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$(HEADER_BUILD)/qstrdefs.enum.h: $(PY_SRC)/makeqstrdata.py $(HEADER_BUILD)/qstrdefs.preprocessed.h
$(STEPECHO) "GEN $@"
Merge tag 'v1.17' into merge-1.17 F-strings, new machine.I2S class, ESP32-C3 support and LEGO_HUB_NO6 board This release of MicroPython adds support for f-strings (PEP-498), with a few limitations compared to normal Python. F-strings are essentially syntactic sugar for "".format() and make formatting strings a lot more convenient. Other improvements to the core runtime include pretty printing OSError when it has two arguments (an errno code and a string), scheduling of KeyboardInterrupt on the main thread, and support for a single argument to the optimised form of StopIteration. In the machine module a new I2S class has been added, with support for esp32 and stm32 ports. This provides a consistent API for transmit and receive of audio data in blocking, non-blocking and asyncio-based operation. Also, the json module has support for the "separators" argument in the dump and dumps functions, and framebuf now includes a way to blit between frame buffers of different formats using a palette. A new, portable machine.bitstream function is also added which can output a stream of bits with configurable timing, and is used as the basis for driving WS2812 LEDs in a common way across ports. There has been some restructuring of the repository directory layout, with all third-party code now in the lib/ directory. And a new top-level directory shared/ has been added with first-party code that was previously in lib/ moved there. The docs have seen further improvement with enhancements and additions to the rp2 parts, as well as a new quick reference for the zephyr port. The terms master/slave have been replaced with controller/peripheral, mainly relating to I2C and SPI usage. And u-module references have been replaced with just the module name without the u-prefix to help clear up the intended usage of modules in MicroPython. For the esp8266 and esp32 ports, hidden networks are now included in WLAN scan results. On the esp32 the RMT class is enhanced with idle_level and write_pulses modes. There is initial support for ESP32-C3 chips with GENERIC_C3 and GENERIC_C3_USB boards. The javascript port has had its Makefile and garbage collector implementation reworked so it compiles and runs with latest the Emscripten using asyncify. The mimxrt port sees the addition of hardware I2C and SPI support, as well as some additional methods to the machine module. There is also support for Hyperflash chips. The nrf port now has full VFS storage support, enables source-line on traceback, and has .mpy features consistent with other ports. For the rp2 port there is now more configurability for boards, and more boards added. The stm32 port has a new LEGO_HUB_NO6 board definition with detailed information how to get this LEGO Hub running stock MicroPython. There is also now support to change the CPU frequency on STM32WB MCUs. And USBD_xxx descriptor options have been renamed to MICROPY_HW_USB_xxx. Thanks to everyone who contributed to this release: Amir Gonnen, Andrew Scheller, Bryan Tong Minh, Chris Wilson, Damien George, Daniel Mizyrycki, David Lechner, David P, Fernando, finefoot, Frank Pilhofer, Glenn Ruben Bakke, iabdalkader, Jeff Epler, Jim Mussared, Jonathan Hogg, Josh Klar, Josh Lloyd, Julia Hathaway, Krzysztof Adamski, Matúš Olekšák, Michael Weiss, Michel Bouwmans, Mike Causer, Mike Teachman, Ned Konz, NitiKaur, oclyke, Patrick Van Oosterwijck, Peter Hinch, Peter Züger, Philipp Ebensberger, robert-hh, Roberto Colistete Jr, Sashkoiv, Seon Rozenblum, Tobias Thyrrestrup, Tom McDermott, Will Sowerbutts, Yonatan Goldschmidt. What follows is a detailed list of changes, generated from the git commit history, and organised into sections. Main components =============== all: - fix signed shifts and NULL access errors from -fsanitize=undefined - update to point to files in new shared/ directory py core: - mpstate: make exceptions thread-local - mpstate: schedule KeyboardInterrupt on main thread - mperrno: add MP_ECANCELED error code - makeqstrdefs.py: don't include .h files explicitly in preprocessing - mark unused arguments from bytecode decoding macros - objexcept: pretty print OSError also when it has 2 arguments - makeversionhdr: add --tags arg to git describe - vm: simplify handling of MP_OBJ_STOP_ITERATION in yield-from opcode - objexcept: make mp_obj_exception_get_value support subclassed excs - support single argument to optimised MP_OBJ_STOP_ITERATION - introduce and use mp_raise_type_arg helper - modsys: optimise sys.exit for code size by using exception helpers - objexcept: make mp_obj_new_exception_arg1 inline - obj: fix formatting of comment for mp_obj_is_integer - emitnative: reuse need_reg_all func in need_stack_settled - emitnative: ensure stack settling is safe mid-branch - runtime: fix bool unary op for subclasses of native types - builtinimport: fix condition for including do_execute_raw_code() - mkrules: automatically build mpy-cross if it doesn't exist - implement partial PEP-498 (f-string) support - lexer: clear fstring_args vstr on lexer free - mkrules.mk: do submodule sync in "make submodules" extmod: - btstack: add missing call to mp_bluetooth_hci_uart_deinit - btstack: check that BLE is active before performing operations - uasyncio: get addr and bind server socket before creating task - axtls-include: add axtls_os_port.h to customise axTLS - update for move of crypto-algorithms, re1.5, uzlib to lib - moduselect: conditionally compile select() - nimble: fix leak in l2cap_send if send-while-stalled - btstack/btstack.mk: use -Wno-implicit-fallthrough, not =0 - utime: always invoke mp_hal_delay_ms when >= to 0ms - modbluetooth: clamp MTU values to 32->UINT16_MAX - nimble: allow modbluetooth binding to hook "sent HCI packet" - nimble: add "memory stalling" mechanism for l2cap_send - uasyncio: in open_connection use address info in socket creation - modujson: add support for dump/dumps separators keyword-argument - modlwip: fix close and clean up of UDP and raw sockets - modbluetooth: add send_update arg to gatts_write - add machine.bitstream - modframebuf: enable blit between different formats via a palette lib: - tinyusb: update to version 0.10.1 - pico-sdk: update to version 1.2.0 - utils/stdout_helpers: make mp_hal_stdout_tx_strn_cooked efficient - axtls: switch to repo at micropython/axtls - axtls: update to latest axtls 2.1.5 wih additional commits - re1.5: move re1.5 code from extmod to lib - uzlib: move uzlib code from extmod to lib - crypto-algorithms: move crypto-algorithms code from extmod to lib - update README's based on contents of these dirs drivers: - neopixel: add common machine.bitstream-based neopixel module - neopixel: optimize fill() for speed - neopixel: reduce code size of driver - cyw43: fix cyw43_deinit so it can be called many times in a row - cyw43: make wifi join fail if interface is not active mpy-cross: - disable stack check when building with Emscripten Support components ================== docs: - library: document new esp32.RMT features and fix wait_done - library: warn that ustruct doesn't handle spaces in format strings - esp8266/tutorial: change flash mode from dio to dout - replace master/slave with controller/peripheral in I2C and SPI - rp2: enhance quickref and change image to Pico pinout - rp2: update general section to give a brief technical overview - library/utime.rst: clarify behaviour and precision of sleep ms/us - library/uasyncio.rst: document stream readexactly() method - library/machine.I2S.rst: fix use of sd pin in examples - zephyr: add quick reference for the Zephyr port - library/zephyr: add libraries specific to the Zephyr port - templates: add unix and zephyr quickref links to top-index - rename ufoo.rst to foo.rst - replace ufoo with foo in all docs - library/index.rst: clarify module naming and purpose - library/builtins.rst: add module title - library/network.rst: simplify socket import - add docs for machine.bitstream and neopixel module - library: fix usage of :term: for frozen module reference - esp8266: use monospace for software tools - reference: mention that slicing a memoryview causes allocation examples: no changes specific to this component/port tests: - extmod: make uasyncio_heaplock test more deterministic - cpydiff/modules_struct_whitespace_in_format: run black - extmod/ujson: add tests for dump/dumps separators argument - run-multitests.py: add broadcast and wait facility - multi_bluetooth/ble_subscribe.py: add test for subscription - extmod/vfs_fat_finaliser.py: ensure alloc at never-used GC blocks - basics: split f-string debug printing to separate file with .exp - pybnative: make while.py test run on boards without pyb.delay tools: - autobuild: add scripts to build release firmware - remove obsolete build-stm-latest.sh script - ci.sh: run apt-get update in ci_powerpc_setup - makemanifest.py: allow passing flags to mpy-tool.py - autobuild: add mimxrt port to build scripts for nightly builds - pyboard.py: add cmd-line option to make soft reset configurable - mpremote: swap order of PID and VID in connect-list output - ci.sh: build unix dev variant as part of macOS CI - ci.sh: build GENERIC_C3 board as part of esp32 CI - autobuild: use separate IDF version to build newer esp32 SoCs - autobuild: add FeatherS2 and TinyS2 to esp32 auto builds - mpremote: add seek whence for mounted files - mpremote: raise OSError on unsupported RemoteFile.seek - autobuild: add the MIMXRT1050_EVKB board to the daily builds - ci.sh: add mpy-cross build to nrf port - codeformat.py: include ports/nrf/modules/nrf in code formatting - gen-cpydiff.py: don't rename foo to ufoo in diff output - autobuild: add auto build for Silicognition wESP32 - mpremote: fix connect-list in case VID/PID are None - mpremote: add "devs" shortcut for "connect list" - mpremote: remove support for pyb.USB_VCP in/out specialisation - autobuild: don't use "-B" for make, it's already a fresh build - pyboard.py: move --no-exclusive/--soft-reset out of mutex group - pyboard.py: make --no-follow use same variable as --follow - pyboard.py: add --exclusive to match --no-exclusive - pyboard.py: make --no-soft-reset consistent with other args - uncrustify: force 1 newline at end of file - mpremote: bump version to 0.0.6 CI: - workflows: add workflow to build and test javascript port - workflows: switch from Coveralls to Codecov - workflows: switch from lcov to gcov - workflows: add workflow to build and test unix dev variant The ports ========= all ports: - use common mp_hal_stdout_tx_strn_cooked instead of custom one - update for move of crypto-algorithms, uzlib to lib - rename USBD_VID/PID config macros to MICROPY_HW_USB_VID/PID bare-arm port: no changes specific to this component/port cc3200 port: no changes specific to this component/port esp8266 port: - add __len__ to NeoPixel driver to support iterating - Makefile: add more libm files to build - include hidden networks in WLAN.scan results - replace esp.neopixel with machine.bitstream - remove dead code for end_ticks in machine_bitstream esp32 port: - boards/sdkconfig.base: disable MEMPROT_FEATURE to alloc from IRAM - add __len__ to NeoPixel driver to support iterating - main: allow MICROPY_DIR to be overridden - esp32_rmt: fix RMT looping in newer IDF versions - esp32_rmt: enhance RMT with idle_level and write_pulses modes - add new machine.I2S class for I2S protocol support - machine_spi: calculate actual attained baudrate - machine_hw_spi: use a 2 item SPI queue for long transfers - machine_dac: add MICROPY_PY_MACHINE_DAC option, enable by default - machine_i2s: add MICROPY_PY_MACHINE_I2S option, enable by default - fix use of mp_int_t, size_t and uintptr_t - add initial support for ESP32C3 SoCs - boards/GENERIC_C3: add generic C3-based board - modmachine: release the GIL in machine.idle() - mphalport: always yield at least once in delay_ms - machine_uart: add flow kw-arg to enable hardware flow control - boards: add Silicognition wESP32 board configuration - mpconfigport.h: enable reverse and inplace special methods - include hidden networks in WLAN.scan results - makeimg.py: get bootloader and partition offset from sdkconfig - enable MICROPY_PY_FSTRINGS by default - machine_hw_spi: release GIL during transfers - machine_pin: make check for non-output pins respect chip variant - replace esp.neopixel with machine.bitstream - remove dead code for end_ticks in machine_bitstream - boards: add GENERIC_C3_USB board with USB serial/JTAG support javascript port: - rework Makefile and GC so it works with latest Emscripten - Makefile: suppress compiler errors from array bounds - Makefile: change variable to EXPORTED_RUNTIME_METHODS mimxrt port: - move calc_weekday helper function to timeutils - machine_spi: add the SPI class to the machine module - moduos: seed the PRNG on boot using the TRNG - boards: set vfs partition start to 1 MBbyte - main: skip running main.py if boot.py failed - main: extend the information returned by help() - mimxrt_flash: remove commented-out code - modmachine: add a few minor methods to the machine module - machine_led: use mp_raise_msg_varg helper - machine_i2c: add hardware-based machine.I2C to machine module - add support for Hyperflash chips - boards: add support for the MIMXRT1050_EVKB board - machine_pin: implement ioctl for Pin minimal port: - Makefile: add support for building with user C modules nrf port: - modules: replace master/slave with controller/peripheral in SPI - boards/common.ld: calculate unused flash region - modules/nrf: add new nrf module with flash block device - drivers: add support for using flash block device with SoftDevice - mpconfigport.h: expose nrf module when MICROPY_PY_NRF is set - README: update README.md to reflect internal file systems - mpconfigport.h: tune FAT FS configuration - Makefile: add _fs_size linker script override from make - modules/uos: allow a board to configure MICROPY_VFS_FAT/LFS1/LFS2 - mpconfigport.h: enable MICROPY_PY_IO_FILEIO when an FS is enabled - qstrdefsport.h: add entries for in-built FS mount points - main: add auto mount and auto format hook for internal flash FS - boards: enable needed features for FAT/LFS1/LFS2 - facilitate use of freeze manifest - boards: set FROZEN_MANIFEST blank when SD present on nrf51 targets - modules/scripts: add file system formatting script - Makefile: set default manifest file for all targets - mphalport: add dummy function for mp_hal_time_ns() - boards: enable MICROPY_VFS_LFS2 for all target boards - modules/uos: add ilistdir to uos module - modules/nrf: add function to enable/disable DCDC - enable source line on tracebacks - set .mpy features consistent with documentation and other ports pic16bit port: no changes specific to this component/port powerpc port: no changes specific to this component/port qemu-arm port: no changes specific to this component/port rp2 port: - use 0=Monday datetime convention in RTC - machine_rtc: in RTC.datetime, compute weekday automatically - CMakeLists.txt: suppress compiler errors for pico-sdk and tinyusb - tusb_config.h: set CFG_TUD_CDC_EP_BUFSIZE to 256 - machine_uart: add hardware flow control support - machine_uart: allow overriding default machine UART pins - machine_i2c: allow boards to configure I2C pins using new macros - machine_spi: allow boards to configure SPI pins using new macros - machine_uart: fix poll ioctl to also check hardware FIFO - machine_uart: fix read when FIFO has chars but ringbuf doesn't - tusb_port: allow boards to configure USB VID and PID - boards/ADAFRUIT_FEATHER_RP2040: configure custom VID/PID - boards/ADAFRUIT_FEATHER_RP2040: configure I2C/SPI default pins - boards/SPARKFUN_PROMICRO: configure UART/I2C/SPI default pins - boards/SPARKFUN_THINGPLUS: configure I2C/SPI default pins - boards: add Adafruit ItsyBitsy RP2040 - boards: add Adafruit QT Py RP2040 - boards: add Pimoroni Pico LiPo 4MB - boards: add Pimoroni Pico LiPo 16MB - boards: add Pimoroni Tiny 2040 - CMakeLists.txt: allow a board's cmake to set the manifest path - enable MICROPY_PY_FSTRINGS by default - Makefile: add "submodules" target, to match other ports - rp2_flash: disable IRQs while calling flash_erase/program - CMakeLists.txt: add option to enable double tap reset to bootrom - mpconfigport.h: allow boards to add root pointers samd port: - add support for building with user C modules stm32 port: - softtimer: add soft_timer_reinsert() helper function - mpbthciport: change from systick to soft-timer for BT scheduling - provide a custom BTstack runloop that integrates with soft timer - usb: make irq's default trigger enable all events - boardctrl: skip running main.py if boot.py had an error - sdio: fix undefined reference to DMA stream on H7 - dma: add DMAMUX configuration for H7 to fix dma_nohal_init - main: call mp_deinit() at end of main - adc: allow using ADC12 and ADC3 for H7 - adc: define the ADC instance used for internal channels - adc: simplify and generalise how pin_adcX table is defined - add new machine.I2S class for I2S protocol support - boards/NUCLEO_F446RE: fix I2C1 pin assignment to match datasheet - replace master/slave with controller/peripheral in I2C and SPI - systick: always POLL_HOOK when delaying for milliseconds - sdram: make SDRAM test cache aware, and optional failure with msg - boards/NUCLEO_F446RE: enable CAN bus support - boards: add support for SparkFun STM32 MicroMod Processor board - uart: fix LPUART1 baudrate set/get - uart: support low baudrates on LPUART1 - boards/STM32F429DISC: set correct UART2 pins and add UART3/6 - boards/NUCLEO_F439ZI: add board definition for NUCLEO_F439ZI - boards/LEGO_HUB_NO6: add board definition for LEGO_HUB_NO6 - Makefile: update to only pull in used Bluetooth library - README.md: update supported MCUs, and submodule and mboot use - usbd_desc: rename USBD_xxx descriptor opts to MICROPY_HW_USB_xxx - usbd_cdc_interface: rename USBD_CDC_xx opts to MICROPY_HW_USB_xx - powerctrl: support changing frequency on WB MCUs - boards/NUCLEO_H743ZI2: add modified version of NUCLEO_H743ZI - mbedtls: fix compile warning about uninitialized val - enable MICROPY_PY_FSTRINGS by default - add implementation of machine.bitstream - Makefile: allow GIT_SUBMODULES and LIBS to be extended - stm32_it: support TIM17 IRQs on WB MCUs - disable computed goto on constrained boards - storage: make extended-block-device more configurable - boards/LEGO_HUB_NO6: change SPI flash storage to use hardware SPI - boards/LEGO_HUB_NO6: skip first 1MiB of SPI flash for storage - boards/LEGO_HUB_NO6: add make commands to backup/restore firmware teensy port: no changes specific to this component/port unix port: - modffi: add option to lock GC in callback, and cfun access - Makefile: add back LIB_SRC_C to list of object files - variants: enable help and help("modules") on standard and dev - Makefile: disable error compression on arm-linux-gnueabi-gcc windows port: - Makefile: add .exe extension to executables name - appveyor: update to VS 2017 and use Python 3.8 for build/test zephyr port: - machine_spi: add support for hardware SPI
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdata.py $(HEADER_BUILD)/qstrdefs.preprocessed.h > $@
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# Adding an order only dependency on $(HEADER_BUILD) causes $(HEADER_BUILD) to get
# created before we run the script to generate the .h
# Note: we need to protect the qstr names from the preprocessor, so we wrap
# the lines in "" and then unwrap after the preprocessor is finished.
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$(HEADER_BUILD)/qstrdefs.generated.h: $(PY_SRC)/makeqstrdata.py $(HEADER_BUILD)/$(TRANSLATION).mo $(HEADER_BUILD)/qstrdefs.preprocessed.h
$(STEPECHO) "GEN $@"
Merge tag 'v1.17' into merge-1.17 F-strings, new machine.I2S class, ESP32-C3 support and LEGO_HUB_NO6 board This release of MicroPython adds support for f-strings (PEP-498), with a few limitations compared to normal Python. F-strings are essentially syntactic sugar for "".format() and make formatting strings a lot more convenient. Other improvements to the core runtime include pretty printing OSError when it has two arguments (an errno code and a string), scheduling of KeyboardInterrupt on the main thread, and support for a single argument to the optimised form of StopIteration. In the machine module a new I2S class has been added, with support for esp32 and stm32 ports. This provides a consistent API for transmit and receive of audio data in blocking, non-blocking and asyncio-based operation. Also, the json module has support for the "separators" argument in the dump and dumps functions, and framebuf now includes a way to blit between frame buffers of different formats using a palette. A new, portable machine.bitstream function is also added which can output a stream of bits with configurable timing, and is used as the basis for driving WS2812 LEDs in a common way across ports. There has been some restructuring of the repository directory layout, with all third-party code now in the lib/ directory. And a new top-level directory shared/ has been added with first-party code that was previously in lib/ moved there. The docs have seen further improvement with enhancements and additions to the rp2 parts, as well as a new quick reference for the zephyr port. The terms master/slave have been replaced with controller/peripheral, mainly relating to I2C and SPI usage. And u-module references have been replaced with just the module name without the u-prefix to help clear up the intended usage of modules in MicroPython. For the esp8266 and esp32 ports, hidden networks are now included in WLAN scan results. On the esp32 the RMT class is enhanced with idle_level and write_pulses modes. There is initial support for ESP32-C3 chips with GENERIC_C3 and GENERIC_C3_USB boards. The javascript port has had its Makefile and garbage collector implementation reworked so it compiles and runs with latest the Emscripten using asyncify. The mimxrt port sees the addition of hardware I2C and SPI support, as well as some additional methods to the machine module. There is also support for Hyperflash chips. The nrf port now has full VFS storage support, enables source-line on traceback, and has .mpy features consistent with other ports. For the rp2 port there is now more configurability for boards, and more boards added. The stm32 port has a new LEGO_HUB_NO6 board definition with detailed information how to get this LEGO Hub running stock MicroPython. There is also now support to change the CPU frequency on STM32WB MCUs. And USBD_xxx descriptor options have been renamed to MICROPY_HW_USB_xxx. Thanks to everyone who contributed to this release: Amir Gonnen, Andrew Scheller, Bryan Tong Minh, Chris Wilson, Damien George, Daniel Mizyrycki, David Lechner, David P, Fernando, finefoot, Frank Pilhofer, Glenn Ruben Bakke, iabdalkader, Jeff Epler, Jim Mussared, Jonathan Hogg, Josh Klar, Josh Lloyd, Julia Hathaway, Krzysztof Adamski, Matúš Olekšák, Michael Weiss, Michel Bouwmans, Mike Causer, Mike Teachman, Ned Konz, NitiKaur, oclyke, Patrick Van Oosterwijck, Peter Hinch, Peter Züger, Philipp Ebensberger, robert-hh, Roberto Colistete Jr, Sashkoiv, Seon Rozenblum, Tobias Thyrrestrup, Tom McDermott, Will Sowerbutts, Yonatan Goldschmidt. What follows is a detailed list of changes, generated from the git commit history, and organised into sections. Main components =============== all: - fix signed shifts and NULL access errors from -fsanitize=undefined - update to point to files in new shared/ directory py core: - mpstate: make exceptions thread-local - mpstate: schedule KeyboardInterrupt on main thread - mperrno: add MP_ECANCELED error code - makeqstrdefs.py: don't include .h files explicitly in preprocessing - mark unused arguments from bytecode decoding macros - objexcept: pretty print OSError also when it has 2 arguments - makeversionhdr: add --tags arg to git describe - vm: simplify handling of MP_OBJ_STOP_ITERATION in yield-from opcode - objexcept: make mp_obj_exception_get_value support subclassed excs - support single argument to optimised MP_OBJ_STOP_ITERATION - introduce and use mp_raise_type_arg helper - modsys: optimise sys.exit for code size by using exception helpers - objexcept: make mp_obj_new_exception_arg1 inline - obj: fix formatting of comment for mp_obj_is_integer - emitnative: reuse need_reg_all func in need_stack_settled - emitnative: ensure stack settling is safe mid-branch - runtime: fix bool unary op for subclasses of native types - builtinimport: fix condition for including do_execute_raw_code() - mkrules: automatically build mpy-cross if it doesn't exist - implement partial PEP-498 (f-string) support - lexer: clear fstring_args vstr on lexer free - mkrules.mk: do submodule sync in "make submodules" extmod: - btstack: add missing call to mp_bluetooth_hci_uart_deinit - btstack: check that BLE is active before performing operations - uasyncio: get addr and bind server socket before creating task - axtls-include: add axtls_os_port.h to customise axTLS - update for move of crypto-algorithms, re1.5, uzlib to lib - moduselect: conditionally compile select() - nimble: fix leak in l2cap_send if send-while-stalled - btstack/btstack.mk: use -Wno-implicit-fallthrough, not =0 - utime: always invoke mp_hal_delay_ms when >= to 0ms - modbluetooth: clamp MTU values to 32->UINT16_MAX - nimble: allow modbluetooth binding to hook "sent HCI packet" - nimble: add "memory stalling" mechanism for l2cap_send - uasyncio: in open_connection use address info in socket creation - modujson: add support for dump/dumps separators keyword-argument - modlwip: fix close and clean up of UDP and raw sockets - modbluetooth: add send_update arg to gatts_write - add machine.bitstream - modframebuf: enable blit between different formats via a palette lib: - tinyusb: update to version 0.10.1 - pico-sdk: update to version 1.2.0 - utils/stdout_helpers: make mp_hal_stdout_tx_strn_cooked efficient - axtls: switch to repo at micropython/axtls - axtls: update to latest axtls 2.1.5 wih additional commits - re1.5: move re1.5 code from extmod to lib - uzlib: move uzlib code from extmod to lib - crypto-algorithms: move crypto-algorithms code from extmod to lib - update README's based on contents of these dirs drivers: - neopixel: add common machine.bitstream-based neopixel module - neopixel: optimize fill() for speed - neopixel: reduce code size of driver - cyw43: fix cyw43_deinit so it can be called many times in a row - cyw43: make wifi join fail if interface is not active mpy-cross: - disable stack check when building with Emscripten Support components ================== docs: - library: document new esp32.RMT features and fix wait_done - library: warn that ustruct doesn't handle spaces in format strings - esp8266/tutorial: change flash mode from dio to dout - replace master/slave with controller/peripheral in I2C and SPI - rp2: enhance quickref and change image to Pico pinout - rp2: update general section to give a brief technical overview - library/utime.rst: clarify behaviour and precision of sleep ms/us - library/uasyncio.rst: document stream readexactly() method - library/machine.I2S.rst: fix use of sd pin in examples - zephyr: add quick reference for the Zephyr port - library/zephyr: add libraries specific to the Zephyr port - templates: add unix and zephyr quickref links to top-index - rename ufoo.rst to foo.rst - replace ufoo with foo in all docs - library/index.rst: clarify module naming and purpose - library/builtins.rst: add module title - library/network.rst: simplify socket import - add docs for machine.bitstream and neopixel module - library: fix usage of :term: for frozen module reference - esp8266: use monospace for software tools - reference: mention that slicing a memoryview causes allocation examples: no changes specific to this component/port tests: - extmod: make uasyncio_heaplock test more deterministic - cpydiff/modules_struct_whitespace_in_format: run black - extmod/ujson: add tests for dump/dumps separators argument - run-multitests.py: add broadcast and wait facility - multi_bluetooth/ble_subscribe.py: add test for subscription - extmod/vfs_fat_finaliser.py: ensure alloc at never-used GC blocks - basics: split f-string debug printing to separate file with .exp - pybnative: make while.py test run on boards without pyb.delay tools: - autobuild: add scripts to build release firmware - remove obsolete build-stm-latest.sh script - ci.sh: run apt-get update in ci_powerpc_setup - makemanifest.py: allow passing flags to mpy-tool.py - autobuild: add mimxrt port to build scripts for nightly builds - pyboard.py: add cmd-line option to make soft reset configurable - mpremote: swap order of PID and VID in connect-list output - ci.sh: build unix dev variant as part of macOS CI - ci.sh: build GENERIC_C3 board as part of esp32 CI - autobuild: use separate IDF version to build newer esp32 SoCs - autobuild: add FeatherS2 and TinyS2 to esp32 auto builds - mpremote: add seek whence for mounted files - mpremote: raise OSError on unsupported RemoteFile.seek - autobuild: add the MIMXRT1050_EVKB board to the daily builds - ci.sh: add mpy-cross build to nrf port - codeformat.py: include ports/nrf/modules/nrf in code formatting - gen-cpydiff.py: don't rename foo to ufoo in diff output - autobuild: add auto build for Silicognition wESP32 - mpremote: fix connect-list in case VID/PID are None - mpremote: add "devs" shortcut for "connect list" - mpremote: remove support for pyb.USB_VCP in/out specialisation - autobuild: don't use "-B" for make, it's already a fresh build - pyboard.py: move --no-exclusive/--soft-reset out of mutex group - pyboard.py: make --no-follow use same variable as --follow - pyboard.py: add --exclusive to match --no-exclusive - pyboard.py: make --no-soft-reset consistent with other args - uncrustify: force 1 newline at end of file - mpremote: bump version to 0.0.6 CI: - workflows: add workflow to build and test javascript port - workflows: switch from Coveralls to Codecov - workflows: switch from lcov to gcov - workflows: add workflow to build and test unix dev variant The ports ========= all ports: - use common mp_hal_stdout_tx_strn_cooked instead of custom one - update for move of crypto-algorithms, uzlib to lib - rename USBD_VID/PID config macros to MICROPY_HW_USB_VID/PID bare-arm port: no changes specific to this component/port cc3200 port: no changes specific to this component/port esp8266 port: - add __len__ to NeoPixel driver to support iterating - Makefile: add more libm files to build - include hidden networks in WLAN.scan results - replace esp.neopixel with machine.bitstream - remove dead code for end_ticks in machine_bitstream esp32 port: - boards/sdkconfig.base: disable MEMPROT_FEATURE to alloc from IRAM - add __len__ to NeoPixel driver to support iterating - main: allow MICROPY_DIR to be overridden - esp32_rmt: fix RMT looping in newer IDF versions - esp32_rmt: enhance RMT with idle_level and write_pulses modes - add new machine.I2S class for I2S protocol support - machine_spi: calculate actual attained baudrate - machine_hw_spi: use a 2 item SPI queue for long transfers - machine_dac: add MICROPY_PY_MACHINE_DAC option, enable by default - machine_i2s: add MICROPY_PY_MACHINE_I2S option, enable by default - fix use of mp_int_t, size_t and uintptr_t - add initial support for ESP32C3 SoCs - boards/GENERIC_C3: add generic C3-based board - modmachine: release the GIL in machine.idle() - mphalport: always yield at least once in delay_ms - machine_uart: add flow kw-arg to enable hardware flow control - boards: add Silicognition wESP32 board configuration - mpconfigport.h: enable reverse and inplace special methods - include hidden networks in WLAN.scan results - makeimg.py: get bootloader and partition offset from sdkconfig - enable MICROPY_PY_FSTRINGS by default - machine_hw_spi: release GIL during transfers - machine_pin: make check for non-output pins respect chip variant - replace esp.neopixel with machine.bitstream - remove dead code for end_ticks in machine_bitstream - boards: add GENERIC_C3_USB board with USB serial/JTAG support javascript port: - rework Makefile and GC so it works with latest Emscripten - Makefile: suppress compiler errors from array bounds - Makefile: change variable to EXPORTED_RUNTIME_METHODS mimxrt port: - move calc_weekday helper function to timeutils - machine_spi: add the SPI class to the machine module - moduos: seed the PRNG on boot using the TRNG - boards: set vfs partition start to 1 MBbyte - main: skip running main.py if boot.py failed - main: extend the information returned by help() - mimxrt_flash: remove commented-out code - modmachine: add a few minor methods to the machine module - machine_led: use mp_raise_msg_varg helper - machine_i2c: add hardware-based machine.I2C to machine module - add support for Hyperflash chips - boards: add support for the MIMXRT1050_EVKB board - machine_pin: implement ioctl for Pin minimal port: - Makefile: add support for building with user C modules nrf port: - modules: replace master/slave with controller/peripheral in SPI - boards/common.ld: calculate unused flash region - modules/nrf: add new nrf module with flash block device - drivers: add support for using flash block device with SoftDevice - mpconfigport.h: expose nrf module when MICROPY_PY_NRF is set - README: update README.md to reflect internal file systems - mpconfigport.h: tune FAT FS configuration - Makefile: add _fs_size linker script override from make - modules/uos: allow a board to configure MICROPY_VFS_FAT/LFS1/LFS2 - mpconfigport.h: enable MICROPY_PY_IO_FILEIO when an FS is enabled - qstrdefsport.h: add entries for in-built FS mount points - main: add auto mount and auto format hook for internal flash FS - boards: enable needed features for FAT/LFS1/LFS2 - facilitate use of freeze manifest - boards: set FROZEN_MANIFEST blank when SD present on nrf51 targets - modules/scripts: add file system formatting script - Makefile: set default manifest file for all targets - mphalport: add dummy function for mp_hal_time_ns() - boards: enable MICROPY_VFS_LFS2 for all target boards - modules/uos: add ilistdir to uos module - modules/nrf: add function to enable/disable DCDC - enable source line on tracebacks - set .mpy features consistent with documentation and other ports pic16bit port: no changes specific to this component/port powerpc port: no changes specific to this component/port qemu-arm port: no changes specific to this component/port rp2 port: - use 0=Monday datetime convention in RTC - machine_rtc: in RTC.datetime, compute weekday automatically - CMakeLists.txt: suppress compiler errors for pico-sdk and tinyusb - tusb_config.h: set CFG_TUD_CDC_EP_BUFSIZE to 256 - machine_uart: add hardware flow control support - machine_uart: allow overriding default machine UART pins - machine_i2c: allow boards to configure I2C pins using new macros - machine_spi: allow boards to configure SPI pins using new macros - machine_uart: fix poll ioctl to also check hardware FIFO - machine_uart: fix read when FIFO has chars but ringbuf doesn't - tusb_port: allow boards to configure USB VID and PID - boards/ADAFRUIT_FEATHER_RP2040: configure custom VID/PID - boards/ADAFRUIT_FEATHER_RP2040: configure I2C/SPI default pins - boards/SPARKFUN_PROMICRO: configure UART/I2C/SPI default pins - boards/SPARKFUN_THINGPLUS: configure I2C/SPI default pins - boards: add Adafruit ItsyBitsy RP2040 - boards: add Adafruit QT Py RP2040 - boards: add Pimoroni Pico LiPo 4MB - boards: add Pimoroni Pico LiPo 16MB - boards: add Pimoroni Tiny 2040 - CMakeLists.txt: allow a board's cmake to set the manifest path - enable MICROPY_PY_FSTRINGS by default - Makefile: add "submodules" target, to match other ports - rp2_flash: disable IRQs while calling flash_erase/program - CMakeLists.txt: add option to enable double tap reset to bootrom - mpconfigport.h: allow boards to add root pointers samd port: - add support for building with user C modules stm32 port: - softtimer: add soft_timer_reinsert() helper function - mpbthciport: change from systick to soft-timer for BT scheduling - provide a custom BTstack runloop that integrates with soft timer - usb: make irq's default trigger enable all events - boardctrl: skip running main.py if boot.py had an error - sdio: fix undefined reference to DMA stream on H7 - dma: add DMAMUX configuration for H7 to fix dma_nohal_init - main: call mp_deinit() at end of main - adc: allow using ADC12 and ADC3 for H7 - adc: define the ADC instance used for internal channels - adc: simplify and generalise how pin_adcX table is defined - add new machine.I2S class for I2S protocol support - boards/NUCLEO_F446RE: fix I2C1 pin assignment to match datasheet - replace master/slave with controller/peripheral in I2C and SPI - systick: always POLL_HOOK when delaying for milliseconds - sdram: make SDRAM test cache aware, and optional failure with msg - boards/NUCLEO_F446RE: enable CAN bus support - boards: add support for SparkFun STM32 MicroMod Processor board - uart: fix LPUART1 baudrate set/get - uart: support low baudrates on LPUART1 - boards/STM32F429DISC: set correct UART2 pins and add UART3/6 - boards/NUCLEO_F439ZI: add board definition for NUCLEO_F439ZI - boards/LEGO_HUB_NO6: add board definition for LEGO_HUB_NO6 - Makefile: update to only pull in used Bluetooth library - README.md: update supported MCUs, and submodule and mboot use - usbd_desc: rename USBD_xxx descriptor opts to MICROPY_HW_USB_xxx - usbd_cdc_interface: rename USBD_CDC_xx opts to MICROPY_HW_USB_xx - powerctrl: support changing frequency on WB MCUs - boards/NUCLEO_H743ZI2: add modified version of NUCLEO_H743ZI - mbedtls: fix compile warning about uninitialized val - enable MICROPY_PY_FSTRINGS by default - add implementation of machine.bitstream - Makefile: allow GIT_SUBMODULES and LIBS to be extended - stm32_it: support TIM17 IRQs on WB MCUs - disable computed goto on constrained boards - storage: make extended-block-device more configurable - boards/LEGO_HUB_NO6: change SPI flash storage to use hardware SPI - boards/LEGO_HUB_NO6: skip first 1MiB of SPI flash for storage - boards/LEGO_HUB_NO6: add make commands to backup/restore firmware teensy port: no changes specific to this component/port unix port: - modffi: add option to lock GC in callback, and cfun access - Makefile: add back LIB_SRC_C to list of object files - variants: enable help and help("modules") on standard and dev - Makefile: disable error compression on arm-linux-gnueabi-gcc windows port: - Makefile: add .exe extension to executables name - appveyor: update to VS 2017 and use Python 3.8 for build/test zephyr port: - machine_spi: add support for hardware SPI
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$(Q)$(PYTHON) $(PY_SRC)/makeqstrdata.py --compression_filename $(HEADER_BUILD)/compression.generated.h --translation $(HEADER_BUILD)/$(TRANSLATION).mo $(HEADER_BUILD)/qstrdefs.preprocessed.h > $@
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$(PY_BUILD)/qstr.o: $(HEADER_BUILD)/qstrdefs.generated.h
py: Implement "common word" compression scheme for error messages. The idea here is that there's a moderate amount of ROM used up by exception text. Obviously we try to keep the messages short, and the code can enable terse errors, but it still adds up. Listed below is the total string data size for various ports: bare-arm 2860 minimal 2876 stm32 8926 (PYBV11) cc3200 3751 esp32 5721 This commit implements compression of these strings. It takes advantage of the fact that these strings are all 7-bit ascii and extracts the top 128 frequently used words from the messages and stores them packed (dropping their null-terminator), then uses (0x80 | index) inside strings to refer to these common words. Spaces are automatically added around words, saving more bytes. This happens transparently in the build process, mirroring the steps that are used to generate the QSTR data. The MP_COMPRESSED_ROM_TEXT macro wraps any literal string that should compressed, and it's automatically decompressed in mp_decompress_rom_string. There are many schemes that could be used for the compression, and some are included in py/makecompresseddata.py for reference (space, Huffman, ngram, common word). Results showed that the common-word compression gets better results. This is before counting the increased cost of the Huffman decoder. This might be slightly counter-intuitive, but this data is extremely repetitive at a word-level, and the byte-level entropy coder can't quite exploit that as efficiently. Ideally one would combine both approaches, but for now the common-word approach is the one that is used. For additional comparison, the size of the raw data compressed with gzip and zlib is calculated, as a sort of proxy for a lower entropy bound. With this scheme we come within 15% on stm32, and 30% on bare-arm (i.e. we use x% more bytes than the data compressed with gzip -- not counting the code overhead of a decoder, and how this would be hypothetically implemented). The feature is disabled by default and can be enabled by setting MICROPY_ROM_TEXT_COMPRESSION at the Makefile-level.
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# build a list of registered modules for py/objmodule.c.
$(HEADER_BUILD)/moduledefs.h: $(SRC_QSTR) $(QSTR_GLOBAL_DEPENDENCIES) | $(HEADER_BUILD)/mpversion.h
@$(ECHO) "GEN $@"
$(Q)$(PYTHON) $(PY_SRC)/makemoduledefs.py --vpath="., $(TOP), $(USER_C_MODULES)" $(SRC_QSTR) > $@
# Standard C functions like memset need to be compiled with special flags so
# the compiler does not optimise these functions in terms of themselves.
CFLAGS_BUILTIN ?= -ffreestanding -fno-builtin -fno-lto
$(BUILD)/shared/libc/string0.o: CFLAGS += $(CFLAGS_BUILTIN)
# Force nlr code to always be compiled with space-saving optimisation so
# that the function preludes are of a minimal and predictable form.
$(PY_BUILD)/nlr%.o: CFLAGS += -Os
# optimising gc for speed; 5ms down to 4ms on pybv2
ifndef SUPEROPT_GC
SUPEROPT_GC = 1
endif
ifeq ($(SUPEROPT_GC),1)
$(PY_BUILD)/gc.o: CFLAGS += $(CSUPEROPT)
endif
# optimising vm for speed, adds only a small amount to code size but makes a huge difference to speed (20% faster)
ifndef SUPEROPT_VM
SUPEROPT_VM = 1
endif
ifeq ($(SUPEROPT_VM),1)
$(PY_BUILD)/vm.o: CFLAGS += $(CSUPEROPT)
endif
# Optimizing vm.o for modern deeply pipelined CPUs with branch predictors
# may require disabling tail jump optimization. This will make sure that
# each opcode has its own dispatching jump which will improve branch
# branch predictor efficiency.
2018-11-30 16:23:53 -05:00
# https://marc.info/?l=lua-l&m=129778596120851
# http://hg.python.org/cpython/file/b127046831e2/Python/ceval.c#l828
# http://www.emulators.com/docs/nx25_nostradamus.htm
#-fno-crossjumping
# Include rules for extmod related code
include $(TOP)/extmod/extmod.mk