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Previously, constructing the singleton USBDevice object was enough to
trigger a USB disconnect on soft reset. Now it also has to be active.
The only case where this changes the behaviour is if the USBDevice object
has been constructed but never set to active (no more disconnect in this
case). Otherwise, behaviour is the same.
This change was requested by hippy on the raspberrypi forums.
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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Enabling this optimisation increases the RPI_PICO firmware by +3344 bytes.
Performace change is:
diff of scores (higher is better)
N=100 M=100 rpi-base -> rpi-opt diff diff% (error%)
bm_chaos.py 196.56 -> 215.26 : +18.70 = +9.514% (+/-0.05%)
bm_fannkuch.py 52.47 -> 54.37 : +1.90 = +3.621% (+/-0.05%)
bm_fft.py 1476.74 -> 1530.06 : +53.32 = +3.611% (+/-0.01%)
bm_float.py 2305.65 -> 2444.11 : +138.46 = +6.005% (+/-0.08%)
bm_hexiom.py 32.83 -> 35.09 : +2.26 = +6.884% (+/-0.05%)
bm_nqueens.py 2335.85 -> 2259.78 : -76.07 = -3.257% (+/-0.06%)
bm_pidigits.py 366.23 -> 465.81 : +99.58 = +27.191% (+/-0.04%)
bm_wordcount.py 41.20 -> 41.87 : +0.67 = +1.626% (+/-0.01%)
core_import_mpy_multi.py 327.44 -> 335.24 : +7.80 = +2.382% (+/-0.08%)
core_import_mpy_single.py 63.41 -> 64.98 : +1.57 = +2.476% (+/-0.21%)
core_locals.py 27.24 -> 29.19 : +1.95 = +7.159% (+/-0.01%)
core_qstr.py 137.31 -> 140.84 : +3.53 = +2.571% (+/-0.03%)
core_str.py 18.44 -> 18.10 : -0.34 = -1.844% (+/-0.03%)
core_yield_from.py 221.69 -> 211.72 : -9.97 = -4.497% (+/-0.01%)
misc_aes.py 303.38 -> 308.72 : +5.34 = +1.760% (+/-0.02%)
misc_mandel.py 1501.00 -> 1746.60 : +245.60 = +16.362% (+/-0.04%)
misc_pystone.py 1348.22 -> 1456.75 : +108.53 = +8.050% (+/-0.07%)
misc_raytrace.py 223.81 -> 246.16 : +22.35 = +9.986% (+/-0.07%)
viper_call0.py 331.05 -> 331.10 : +0.05 = +0.015% (+/-0.00%)
viper_call1a.py 323.34 -> 323.39 : +0.05 = +0.015% (+/-0.00%)
viper_call1b.py 241.01 -> 241.04 : +0.03 = +0.012% (+/-0.00%)
viper_call1c.py 242.88 -> 242.92 : +0.04 = +0.016% (+/-0.00%)
viper_call2a.py 318.41 -> 318.46 : +0.05 = +0.016% (+/-0.00%)
viper_call2b.py 211.27 -> 211.30 : +0.03 = +0.014% (+/-0.00%)
And the test `tests/basics/builtin_pow3_intbig.py` now passes (it uses a
lot of mpz code and previously took longer than 10 seconds to run on
RPI_PICO, which would lead to a timeout in the test runner).
Signed-off-by: Damien George <damien@micropython.org>
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Originally implemented in a patch file provided by @ironss-iotec.
Fixes issue #14093.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
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Co-Authored-By: glenn20 <glenn20@users.noreply.github.com>
Signed-off-by: Amirreza Hamzavi <amirrezahamzavi2000@gmail.com>
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This work was funded through GitHub Sponsors.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
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Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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This library contains external modules for Arduino boards.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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Signed-off-by: Andrew Leech <andrew@alelec.net>
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Signed-off-by: Andrew Leech <andrew@alelec.net>
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When PWM constructor was created without specifying a device or setting
both freq and duty rate, it was not tagged as used, and further calls to
get a PWM object may get the same PWM device assigned.
Fixes #13494.
Signed-off-by: robert-hh <robert@hammelrath.com>
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Exceptions in pin interrupt handlers would end up crashing MicroPython with
a "FATAL: uncaught exception".
In addition, MicroPython would get stuck trying to output this error
message, or generally any print output from inside a pin interrupt handler,
through the UART after the first character, so that only "F" was visible.
The reason was a matching interrupt priority between the running pin
interrupt and the UARTE interrupt signaling completion of the output
operation. Fix that by increasing the UARTE interrupt priority.
Code taken from the stm32 port and adapted.
Signed-off-by: Christian Walther <cwalther@gmx.ch>
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Under some circumstances, after a hard reset, the low-frequency clock would
not be running. This caused time.ticks_ms() to return 0, time.sleep_ms()
to get stuck, and other misbehavior. A soft reboot would return it to a
working state.
The cause was a race condition that was hit when the bootloader would
itself turn LFCLK on, but turn it off again shortly before launching the
main application (this apparently happens with the Adafruit bootloader
from https://github.com/fanoush/ds-d6/tree/master/micropython). Stopping
the clock is an asynchronous operation and it continues running for a short
time after the stop command is given. When MicroPython checked whether to
start it by looking at the LFCLKSTAT register (nrf_clock_lf_is_running)
during that time, it would mistakenly not be started again. What
MicroPython should be looking at is not whether the clock is running at
this time, but whether a start/stop command has been given, which is
indicated by the LFCLKRUN register (nrf_clock_lf_start_task_status_get).
It is not clearly documented, but empirically LFCLKRUN is not just set when
the LFCLKSTART task is triggered, but also cleared when the LFCLKSTOP task
is triggered, which is exactly what we need.
The matter is complicated by the fact that the nRF52832 has an anomaly
(see [errata](https://infocenter.nordicsemi.com/topic/errata_nRF52832_Rev3/ERR/nRF52832/Rev3/latest/anomaly_832_132.html?cp=5_2_1_0_1_33))
where starting the LFCLK will not work between 66µs and 138µs after it last
stopped. Apply a workaround for that. See nrfx_clock_lfclk_start() in
micropython/lib/nrfx/drivers/src/nrfx_clock.c for reference, but we are not
using that because it also does other things and makes the code larger.
Signed-off-by: Christian Walther <cwalther@gmx.ch>
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It destroys a few manual alignments, but these seem minor compared to
the benefit of automated code style consistency.
Signed-off-by: Christian Walther <cwalther@gmx.ch>
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Trying to use an external board definition according to
https://github.com/micropython/micropython-example-boards on the nrf port
failed with "Invalid BOARD specified". Replacing all ocurrences of
"boards/$(BOARD)" with "$(BOARD_DIR)" following the example of
stm32/Makefile fixes that.
Signed-off-by: Christian Walther <cwalther@gmx.ch>
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The documentation for `freeze()` says that:
- If `script` is `None`, all files in `path` will be frozen.
- If `script` is an iterable then `freeze()` is called on all items of the
iterable.
This commit makes sure this behaviour is followed when an empty tuple/list
is passed in for `script` (previously an empty tuple/list froze all files).
Fixes issue #14125.
Signed-off-by: Damien George <damien@micropython.org>
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According to the datasheet, the IEN bit to enable the interrupt is in the
MR2 register, not the MR register.
This is just cleanup as the interrupt appears to be enabled by default
after resetting the chip.
Tested on W5100S_EVB_PICO.
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During a build the ESP-IDF downloads managed components in the
ports/esp32/managed_components directory, which shouldn't be spellchecked.
Signed-off-by: Daniël van de Giessen <daniel@dvdgiessen.nl>
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If the heap allocation fails we will crash if we continue, so at least we
can show a clear error message so one can figure out memory allocation was
the problem (instead of just seeing some arbitrary null pointer error
later).
Signed-off-by: Daniël van de Giessen <daniel@dvdgiessen.nl>
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Newer versions of gcc (14 and up) have more sophisticated dead-code
detection, and the asm clobbers list needs to contain "memory" to inform
the compiler that the asm code actually does something.
Tested that adding this "memory" line does not change the generated code on
ARM Thumb2, x86-64 and Xtensa targets (using gcc 13.2).
Fixes issue #14115.
Signed-off-by: Damien George <damien@micropython.org>
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Enable Biome on all of webassembly port and tests.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This allows running tests with a .js/.mjs suffix, and also .py tests using
node and the webassembly port.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This commit adds a pyscript variant for use in https://pyscript.net/.
The configuration is:
- No ASYNCIFY, in order to keep the WASM size down and have good
performance.
- MICROPY_CONFIG_ROM_LEVEL_FULL_FEATURES to enable most features.
- Custom manifest that includes many of the python-stdlib libraries.
- MICROPY_GC_SPLIT_HEAP_AUTO to increase GC heap size instead of doing a
collection when memory is exhausted. This is needed because ASYNCIFY is
disabled. Instead the GC collection is run at the top-level before
executing any Python code.
- No MICROPY_VARIANT_ENABLE_JS_HOOK because there is no asynchronous
keyboard input to interrupt a running script.
Signed-off-by: Damien George <damien@micropython.org>
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This is the JavaScript API for starting and running a REPL.
Signed-off-by: Damien George <damien@micropython.org>
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This allows running MicroPython webassembly from the command line using:
node micropython.mjs
Signed-off-by: Damien George <damien@micropython.org>
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With this commit, `interpreter.runPythonAsync(code)` can now be used to run
Python code that uses `await` at the top level. That will yield up to
JavaScript and produce a thenable, which the JavaScript runtime can then
resume. Also implemented is the ability for Python code to await on
JavaScript promises/thenables. For example, outer JavaScript code can
await on `runPythonAsync(code)` which then runs Python code that does
`await js.fetch(url)`. The entire chain of calls will be suspended until
the fetch completes.
Signed-off-by: Damien George <damien@micropython.org>
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This commit improves the webassembly port by adding:
- Proxying of Python objects to JavaScript with a PyProxy type that lives
on the JavaScript side. PyProxy implements JavaScript Proxy traps such
as has, get, set and ownKeys, to make Python objects have functionality
on the JavaScript side.
- Proxying of JavaScript objects to Python with a JsProxy type that lives
on the Python side. JsProxy passes through calls, attributes,
subscription and iteration from Python to JavaScript.
- A top-level API on the JavaScript side to construct a MicroPython
interpreter instance via `loadMicroPython()`. That function returns an
object that can be used to execute Python code, access the Python globals
dict, access the Emscripten filesystem, and other things. This API is
based on the API provided by Pyodide (https://pyodide.org/). As part of
this, the top-level file is changed from `micropython.js` to
`micropython.mjs`.
- A Python `js` module which can be used to access all JavaScript-side
symbols, for example the DOM when run within a browser.
- A Python `jsffi` module with various helper functions like
`create_proxy()` and `to_js()`.
- A dedenting lexer which automatically dedents Python source code if every
non-empty line in that source starts with a common whitespace prefix.
This is very helpful when Python source code is indented within a string
within HTML or JavaScript for formatting reasons.
Signed-off-by: Damien George <damien@micropython.org>
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This commit cleans up and generalises the Makefile, adds support for
variants (following the unix port) and adds the "standard" variant as the
default variant.
Signed-off-by: Damien George <damien@micropython.org>
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When enabled the GC will not reclaim any memory on a call to
`gc_collect()`. Instead it will grow the heap.
Signed-off-by: Damien George <damien@micropython.org>
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All output is now handled by Emscripten's stdio facility.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This eliminates the need for wrapper.js to run to set up the time.
Signed-off-by: Damien George <damien@micropython.org>
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Following other ports.
Signed-off-by: Damien George <damien@micropython.org>
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Enabled by MICROPY_COMPILE_ALLOW_TOP_LEVEL_AWAIT. When enabled, this means
that scope such as module-level functions and REPL statements can yield.
The outer C code must then handle this yielded generator.
Signed-off-by: Damien George <damien@micropython.org>
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This workaround makes sure that all ringbuf functions that may be called
from an ISR are placed in IRAM. See
https://github.com/espressif/esp-idf/issues/13378
Note that this means that all esp32-og builds get non-ISR ringbuf functions
placed in flash now, whereas previously it was just the spiram variant.
This might be a good thing (e.g. free up some IRAM for native/viper).
Fixes issue #14005.
This work was funded through GitHub Sponsors.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
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This fixes a bug where a random Python object may become
un-garbage-collectable until an enclosing Python file (compiled on device)
finishes executing.
Details:
The mp_parse_tree_t structure is stored on the stack in top-level functions
such as parse_compile_execute() in pyexec.c (and others).
Although it quickly falls out of scope in these functions, it is usually
still in the current stack frame when the compiled code executes. (Compiler
dependent, but usually it's one stack push per function.)
This means if any Python object happens to allocate at the same address as
the (freed) root parse tree chunk, it's un-garbage-collectable as there's a
(dangling) pointer up the stack referencing this same address.
As reported by @GitHubsSilverBullet here:
https://github.com/orgs/micropython/discussions/14116#discussioncomment-8837214
This work was funded through GitHub Sponsors.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
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Signed-off-by: Damien George <damien@micropython.org>
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Using it increases code size by about 2k.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This commit implements the 'e' half-float format: 10-bit mantissa, 5-bit
exponent. It uses native _Float16 if supported by the compiler, otherwise
uses custom bitshifting encoding/decoding routines.
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Nicko van Someren <nicko@nicko.org>
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This commit implements a new <AbstractNIC>.ipconfig() function for the NIC
classes that use lwIP, to set and retrieve network configuration for a NIC.
Currently this method supports:
- ipconfig("addr4"): obtain a tuple (addr, netmask) of the currently
configured ipv4 address
- ipconfig("addr6"): obtain a list of tuples (addr, state,
prefered_lifetime, valid_lifetime) of all currently active ipv6
addresses; this includes static, slaac and link-local addresses
- ipconfig("has_dhcp4"): whether ipv4 dhcp has supplied an address
- ipconfig("has_autoconf6"): if there is a valid, non-static ipv6 address
- ipconfig(addr4="1.2.3.4/24"): to set the ipv4 address and netmask
- ipconfig(addr6="2a01::2"): to set a static ipv6 address; note that this
does not configure an interface route, as this does not seem supported by
lwIP
- ipconfig(autoconf6=True): to enable ipv6 network configuration with slaac
- ipconfig(gw4="1.2.3.1"): to set the ipv4 gateway
- ipconfig(dhcp4=True): enable ipv4 dhcp; this sets ipv4 address, netmask,
gateway and a dns server
- ipconfig(dhcp4=False): stops dhcp, releases the ip, and clears the
configured ipv4 address.
- ipconfig(dhcp6=True): enable stateless dhcpv6 to obtain a dns server
There is also a new global configuration function network.ipconfig() that
supports the following:
- network.ipconfig(dns="2a01::2"): set the primary dns server (can be a
ipv4 or ipv6 address)
- network.ipconfig(prefer=6): to prefer ipv6 addresses to be returned as
dns responses (falling back to ipv4 if the host does not have an ipv6
address); note that this does not flush the dns cache, so if a host is
already in the dns cache with its v4 address, subsequent lookups will
return that address even if prefer=6 is set
This interface replaces NIC.ifconfig() completely, and ifconfig() should be
marked as deprecated and removed in a future version.
Signed-off-by: Felix Dörre <felix@dogcraft.de>
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The C-based SPI flash driver is needed because the
`_copy_file_to_raw_filesystem()` function must copy from a filesystem (eg
FAT) to another part of flash, and the same C code must be used for both
reading (from FAT) and writing (to flash).
Signed-off-by: Damien George <damien@micropython.org>
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