Commit Graph

80 Commits

Author SHA1 Message Date
David Lechner 3446d440f6 shared/runtime/gchelper: Drop cpu directive from ARM asm helpers.
This drops the `.cpu` directive from the ARM gchelper_*.s files.  Having
this directive breaks the linker when targeting older CPUs (e.g. `-mthumb
-mthumb-interwork` for `-mcpu=arm7tdmi`).  The actual target CPU should be
determined by the compiler options.

The exact CPU doesn't actually matter, but rather the supported assembly
instruction set.  So the files are renamed to *_thumb1.s and *thumb2.s to
indicate the instruction set support instead of the CPU support.

Signed-off-by: David Lechner <david@pybricks.com>
2023-01-28 15:51:38 +11:00
Jim Mussared 68090cc6cd cc3200: Remove unused NIC type customisation.
See the previous commit, except in this case the customisation didn't
actually do anything so can just be removed.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-12-15 17:40:18 +11:00
Jim Mussared d6d8722558 extmod: Make extmod.mk self-contained.
This makes it so that all a port needs to do is set the relevant variables
and "include extmod.mk" and doesn't need to worry about adding anything to
OBJ, CFLAGS, SRC_QSTR, etc.

Make all extmod variables (src, flags, etc) private to extmod.mk.

Also move common/shared, extmod-related fragments (e.g. wiznet, cyw43,
bluetooth) into extmod.mk.

Now that SRC_MOD, CFLAGS_MOD, CXXFLAGS_MOD are unused by both extmod.mk
(and user-C-modules in a previous commit), remove all uses of them from
port makefiles.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-10-11 23:31:49 +11:00
Jim Mussared 17f2783e4a all: Use += rather than = everywhere for CFLAGS/LDFLAGS/LIBS.
This avoids a surprise where an = can cancel out an earlier +=.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-10-11 23:17:41 +11:00
Jim Mussared 94beeabd2e py/obj: Convert make_new into a mp_obj_type_t slot.
Instead of being an explicit field, it's now a slot like all the other
methods.

This is a marginal code size improvement because most types have a make_new
(100/138 on PYBV11), however it improves consistency in how types are
declared, removing the special case for make_new.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-09-19 19:06:15 +10:00
Jim Mussared 6da41b5900 py/obj: Merge getiter and iternext mp_obj_type_t slots.
The goal here is to remove a slot (making way to turn make_new into a slot)
as well as reduce code size by the ~40 references to mp_identity_getiter
and mp_stream_unbuffered_iter.

This introduces two new type flags:
- MP_TYPE_FLAG_ITER_IS_ITERNEXT: This means that the "iter" slot in the
  type is "iternext", and should use the identity getiter.
- MP_TYPE_FLAG_ITER_IS_CUSTOM: This means that the "iter" slot is a pointer
  to a mp_getiter_iternext_custom_t instance, which then defines both
  getiter and iternext.

And a third flag that is the OR of both, MP_TYPE_FLAG_ITER_IS_STREAM: This
means that the type should use the identity getiter, and
mp_stream_unbuffered_iter as iternext.

Finally, MP_TYPE_FLAG_ITER_IS_GETITER is defined as a no-op flag to give
the default case where "iter" is "getiter".

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-09-19 19:06:13 +10:00
Jim Mussared e8355eb163 py/obj: Add "full" and "empty" non-variable-length mp_obj_type_t.
This will always have the maximum/minimum size of a mp_obj_type_t
representation and can be used as a member in other structs.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-09-19 19:06:04 +10:00
Jim Mussared 9dce82776d all: Remove unnecessary locals_dict cast.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-09-19 19:06:01 +10:00
Jim Mussared 662b9761b3 all: Make all mp_obj_type_t defs use MP_DEFINE_CONST_OBJ_TYPE.
In preparation for upcoming rework of mp_obj_type_t layout.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-09-19 19:06:01 +10:00
robert-hh a39b88f0fb cc3200/mods/pybuart: Implement uart.flush() and uart.txdone().
uart.flush()

flush() will wait until all characters have been sent.
To avoid a permanent lock, a timeout applies depending on the
size of FIFO and the baud rate.

ret = uart.txdone()

ret is True if no transfer is in progress.
ret is False otherwise.
2022-08-31 00:18:49 +10:00
Jim Mussared 8a0ee5a5c0 py/objstr: Split mp_obj_str_from_vstr into bytes/str versions.
Previously the desired output type was specified.  Now make the type part
of the function name.  Because this function is used in a few places this
saves code size due to smaller call-site.

This makes `mp_obj_new_str_type_from_vstr` a private function of objstr.c
(which is almost the only place where the output type isn't a compile-time
constant).

This saves ~140 bytes on PYBV11.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-08-26 16:43:55 +10:00
Damien George 8f4c108025 all: Remove MICROPY_PY_IO_FILEIO config option.
Since commit e65d1e69e8 there is no longer an
io.FileIO class, so this option is no longer needed.

This option also controlled whether or not files supported being opened in
binary mode (eg 'rb'), and could, if disabled, lead to confusion as to why
opening a file in binary mode silently did the wrong thing (it would just
open in text mode if MICROPY_PY_IO_FILEIO was disabled).

The various VFS implementations (POSIX, FAT, LFS) were the only places
where enabling this option made a difference, and in almost all cases where
one of these filesystems were enabled, MICROPY_PY_IO_FILEIO was also
enabled.  So it makes sense to just unconditionally enable this feature
(ability to open a file in binary mode) in all cases, and so just remove
this config option altogether.  That makes configuration simpler and means
binary file support always exists (and opening a file in binary mode is
arguably more fundamental than opening in text mode, so if anything should
be configurable then it should be the ability to open in text mode).

Signed-off-by: Damien George <damien@micropython.org>
2022-08-18 11:54:17 +10:00
Jim Mussared 28aaab9590 py/objstr: Add hex/fromhex to bytes/memoryview/bytearray.
These were added in Python 3.5.

Enabled via MICROPY_PY_BUILTINS_BYTES_HEX, and enabled by default for all
ports that currently have ubinascii.

Rework ubinascii to use the implementation of these methods.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-08-12 12:44:30 +10:00
Jim Mussared 092784da19 ports: Remove unused mp_type_{fileio/textio} macros in mpconfigport.h.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-07-26 18:07:22 +10:00
Jim Mussared 4cf9928902 cc3200: Fix various array-based compiler warnings.
1. Add -Wno-array-bounds to avoid false positive on gcc 12.1; see related
   issue #8685.
2. Remove always-true not-NULL-check (Msg.Rsp.Args.Common.Bssid is an array
   not a pointer).
3. Fix pointer-to-freed-stack in wlan_set_security.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-07-21 16:26:04 +10:00
David Lechner 226e969ad3 cc3200: Use MP_REGISTER_ROOT_POINTER().
This uses MP_REGISTER_ROOT_POINTER() to register all port-specific root
pointers for the cc3200 port.

Signed-off-by: David Lechner <david@pybricks.com>
2022-07-18 13:50:34 +10:00
David Lechner 095ad87adf cc3200/mpconfigport: Remove mp_const_user_interrupt.
mp_const_user_interrupt was listed as a root pointer but not used anywhere
in the code base, so it can be removed.

Signed-off-by: David Lechner <david@pybricks.com>
2022-07-18 13:50:34 +10:00
David Lechner 81dbea1ce3 shared/readline: Use MP_REGISTER_ROOT_POINTER().
This uses MP_REGISTER_ROOT_POINTER() to register the readline_history root
pointer array used by shared/readline.c and removes the registration from
all mpconfigport.h files.

This also required adding a new MICROPY_READLINE_HISTORY_SIZE config option
since not all ports used the same sized array.

Signed-off-by: David Lechner <david@pybricks.com>
2022-07-18 13:48:49 +10:00
David Lechner fc3d7ae11b py/make_root_pointers: Add MP_REGISTER_ROOT_POINTER parser/generator.
This adds new compile-time infrastructure to parse source code files for
`MP_REGISTER_ROOT_POINTER()` and generates a new `root_pointers.h` header
file containing the collected declarations.  This works the same as the
existing `MP_REGISTER_MODULE()` feature.

Signed-off-by: David Lechner <david@pybricks.com>
2022-07-18 13:48:23 +10:00
David Lechner c118b5d0e4 extmod/extmod.mk: Separate out extmod file list from py.mk to extmod.mk.
This separates extmod source files from `py.mk`.  Previously, `py.mk`
assumed that every consumer of the py/ directory also wanted to include
extmod/.  However, this is not the case.  For example, building mpy-cross
uses py/ but doesn't need extmod/.

This commit moves all extmod-specific items from `py.mk` to `extmod.mk` and
explicitly includes `extmod.mk` in ports that use it.

Signed-off-by: David Lechner <david@pybricks.com>
2022-06-21 00:14:34 +10:00
Damien George efe23aca71 all: Remove third argument to MP_REGISTER_MODULE.
It's no longer needed because this macro is now processed after
preprocessing the source code via cpp (in the qstr extraction stage), which
means unused MP_REGISTER_MODULE's are filtered out by the preprocessor.

Signed-off-by: Damien George <damien@micropython.org>
2022-06-02 16:31:37 +10:00
Damien George 47f634300c py: Change makemoduledefs process so it uses output of qstr extraction.
This cleans up the parsing of MP_REGISTER_MODULE() and generation of
genhdr/moduledefs.h so that it uses the same process as compressed error
string messages, using the output of qstr extraction.

This makes sure all MP_REGISTER_MODULE()'s that are part of the build are
correctly picked up.  Previously the extraction would miss some (eg if you
had a mod.c file in the board directory for an stm32 board).

Build speed is more or less unchanged.

Thanks to @stinos for the ports/windows/msvc/genhdr.targets changes.

Signed-off-by: Damien George <damien@micropython.org>
2022-06-02 16:29:53 +10:00
Damien George 6e71cde6aa ports: Use default VFS config for import_stat and builtin_open.
For ports with MICROPY_VFS and MICROPY_PY_IO enabled their configuration
can now be simplified to use the defaults for mp_import_stat and
mp_builtin_open.

This commit makes no functional change, except for the following minor
points:
- the built-in "open" is removed from the minimal port (it previously did
  nothing)
- the duplicate built-in "input" is removed from the esp32 port
- qemu-arm now delegates to VFS import/open

Signed-off-by: Damien George <damien@micropython.org>
2022-05-25 13:04:45 +10:00
David Lechner be5657b64f ports: Rename thread_t to mp_thread_t.
This adds the `mp_` prefix to the `thread_t` type.  The name `thread_t`
conflicts with the same in `mach/mach_types.h` on macOS.

Signed-off-by: David Lechner <david@lechnology.com>
2022-05-24 00:51:23 +10:00
Jim Mussared 1d33ceb0d0 cc3200: Make port-specific modules use MP_REGISTER_MODULE.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-05-18 20:57:09 +10:00
Jim Mussared 4eab44a1ec extmod: Make extmod modules use MP_REGISTER_MODULE.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-05-18 20:49:12 +10:00
Jim Mussared 0e7bfc88c6 all: Use mp_obj_malloc everywhere it's applicable.
This replaces occurences of

    foo_t *foo = m_new_obj(foo_t);
    foo->base.type = &foo_type;

with

    foo_t *foo = mp_obj_malloc(foo_t, &foo_type);

Excludes any places where base is a sub-field or when new0/memset is used.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2022-05-03 22:28:14 +10:00
Damien George aab005c75b extmod/modusocket: Provide config macro for socket.listen backlog deflt.
To make it possible to change this value for any given port or board.

Signed-off-by: Damien George <damien@micropython.org>
2022-04-11 15:28:56 +10:00
Jon Bjarni Bjarnason 919f696ad2 extmod/modusocket: Implement optional socket.listen backlog argument.
This follows the CPython change: https://bugs.python.org/issue21455

Socket listen backlog defaults to 2 if not given, based on most bare metal
targets not having many resources for a large backlog.  On UNIX it defaults
to SOMAXCONN or 128, whichever is less.
2022-04-11 15:26:47 +10:00
Damien George fbd47fc46c ports: Consolidate inclusion of umachine module in built-ins.
The inclusion of `umachine` in the list of built-in modules is now done
centrally in py/objmodule.c.  Enabling MICROPY_PY_MACHINE will include this
module.

As part of this, all ports now have `umachine` as the core module name
(previously some had only `machine` as the name).

Signed-off-by: Damien George <damien@micropython.org>
2022-02-03 10:08:54 +11:00
Damien George de43b500bd py/runtime: Allow initialising sys.path/argv with defaults.
If MICROPY_PY_SYS_PATH_ARGV_DEFAULTS is enabled (which it is by default)
then sys.path and sys.argv will be initialised and populated with default
values.  This keeps all bare-metal ports aligned.

Signed-off-by: Damien George <damien@micropython.org>
2021-12-18 00:08:07 +11:00
Mike Causer 7f14344428 ports: Add images, features and urls to board.json. 2021-10-28 15:25:38 +11:00
Jim Mussared e359b077dd ports: Add board.json for all boards.
This will be used by https://micropython.org/download/ to generate the
full listing of boards and firmware files.

Optionally supports a board.md for additional customisation of the
download page, as well as deploy.md for flashing instructions.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2021-10-27 14:04:53 +11:00
Jim Mussared b326edf68c all: Remove MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE.
This commit removes all parts of code associated with the existing
MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE optimisation option, including the
-mcache-lookup-bc option to mpy-cross.

This feature originally provided a significant performance boost for Unix,
but wasn't able to be enabled for MCU targets (due to frozen bytecode), and
added significant extra complexity to generating and distributing .mpy
files.

The equivalent performance gain is now provided by the combination of
MICROPY_OPT_LOAD_ATTR_FAST_PATH and MICROPY_OPT_MAP_LOOKUP_CACHE (which has
been enabled on the unix port in the previous commit).

It's hard to provide precise performance numbers, but tests have been run
on a wide variety of architectures (x86-64, ARM Cortex, Aarch64, RISC-V,
xtensa) and they all generally agree on the qualitative improvements seen
by the combination of MICROPY_OPT_LOAD_ATTR_FAST_PATH and
MICROPY_OPT_MAP_LOOKUP_CACHE.

For example, on a "quiet" Linux x64 environment (i3-5010U @ 2.10GHz) the
change from CACHE_MAP_LOOKUP_IN_BYTECODE, to LOAD_ATTR_FAST_PATH combined
with MAP_LOOKUP_CACHE is:

diff of scores (higher is better)
N=2000 M=2000       bccache -> attrmapcache      diff      diff% (error%)
bm_chaos.py        13742.56 ->   13905.67 :   +163.11 =  +1.187% (+/-3.75%)
bm_fannkuch.py        60.13 ->      61.34 :     +1.21 =  +2.012% (+/-2.11%)
bm_fft.py         113083.20 ->  114793.68 :  +1710.48 =  +1.513% (+/-1.57%)
bm_float.py       256552.80 ->  243908.29 : -12644.51 =  -4.929% (+/-1.90%)
bm_hexiom.py         521.93 ->     625.41 :   +103.48 = +19.826% (+/-0.40%)
bm_nqueens.py     197544.25 ->  217713.12 : +20168.87 = +10.210% (+/-3.01%)
bm_pidigits.py      8072.98 ->    8198.75 :   +125.77 =  +1.558% (+/-3.22%)
misc_aes.py        17283.45 ->   16480.52 :   -802.93 =  -4.646% (+/-0.82%)
misc_mandel.py     99083.99 ->  128939.84 : +29855.85 = +30.132% (+/-5.88%)
misc_pystone.py    83860.10 ->   82592.56 :  -1267.54 =  -1.511% (+/-2.27%)
misc_raytrace.py   21490.40 ->   22227.23 :   +736.83 =  +3.429% (+/-1.88%)

This shows that the new optimisations are at least as good as the existing
inline-bytecode-caching, and are sometimes much better (because the new
ones apply caching to a wider variety of map lookups).

The new optimisations can also benefit code generated by the native
emitter, because they apply to the runtime rather than the generated code.
The improvement for the native emitter when LOAD_ATTR_FAST_PATH and
MAP_LOOKUP_CACHE are enabled is (same Linux environment as above):

diff of scores (higher is better)
N=2000 M=2000        native -> nat-attrmapcache  diff      diff% (error%)
bm_chaos.py        14130.62 ->   15464.68 :  +1334.06 =  +9.441% (+/-7.11%)
bm_fannkuch.py        74.96 ->      76.16 :     +1.20 =  +1.601% (+/-1.80%)
bm_fft.py         166682.99 ->  168221.86 :  +1538.87 =  +0.923% (+/-4.20%)
bm_float.py       233415.23 ->  265524.90 : +32109.67 = +13.756% (+/-2.57%)
bm_hexiom.py         628.59 ->     734.17 :   +105.58 = +16.796% (+/-1.39%)
bm_nqueens.py     225418.44 ->  232926.45 :  +7508.01 =  +3.331% (+/-3.10%)
bm_pidigits.py      6322.00 ->    6379.52 :    +57.52 =  +0.910% (+/-5.62%)
misc_aes.py        20670.10 ->   27223.18 :  +6553.08 = +31.703% (+/-1.56%)
misc_mandel.py    138221.11 ->  152014.01 : +13792.90 =  +9.979% (+/-2.46%)
misc_pystone.py    85032.14 ->  105681.44 : +20649.30 = +24.284% (+/-2.25%)
misc_raytrace.py   19800.01 ->   23350.73 :  +3550.72 = +17.933% (+/-2.79%)

In summary, compared to MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE, the new
MICROPY_OPT_LOAD_ATTR_FAST_PATH and MICROPY_OPT_MAP_LOOKUP_CACHE options:
- are simpler;
- take less code size;
- are faster (generally);
- work with code generated by the native emitter;
- can be used on embedded targets with a small and constant RAM overhead;
- allow the same .mpy bytecode to run on all targets.

See #7680 for further discussion.  And see also #7653 for a discussion
about simplifying mpy-cross options.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2021-09-16 16:04:03 +10:00
Jim Mussared e3eebc329f stm32: Suggest putting code in main.py not boot.py.
Don't want users to accidentally use boot.py (because recovering requires
knowing how to activate safe mode).

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2021-09-16 12:40:05 +10:00
Damien George 136369d72f all: Update to point to files in new shared/ directory.
Signed-off-by: Damien George <damien@micropython.org>
2021-07-12 17:08:10 +10:00
Damien George 132d93886f ports: Use common mp_hal_stdout_tx_strn_cooked instead of custom one.
To reduce code duplication.

Signed-off-by: Damien George <damien@micropython.org>
2021-07-08 12:59:31 +10:00
Damien George e9e9c76ddf all: Rename mp_keyboard_interrupt to mp_sched_keyboard_interrupt.
To match mp_sched_exception() and mp_sched_schedule().

Signed-off-by: Damien George <damien@micropython.org>
2021-04-30 15:13:43 +10:00
Damien George 6129b8e401 tests: Rename run-tests to run-tests.py for consistency.
Signed-off-by: Damien George <damien@micropython.org>
2021-03-12 19:56:09 +11:00
Damien George 7c44354592 ports: Remove def of MP_PLAT_PRINT_STRN if it's the same as the default.
To simplify config, there's no need to specify MP_PLAT_PRINT_STRN if it's
the same as the default definition in py/mpconfig.h.

Signed-off-by: Damien George <damien@micropython.org>
2021-02-04 22:39:17 +11:00
Vincent Duvert 45f0b6ab63 cc3200: Fix debug build.
* Fix a typo in the Makefile that prevented the debug build to be actually
  enabled when BTYPE=debug is used.

* Add a missing header in modmachine.c that is used when a debug build is
  created.
2021-01-23 17:44:27 +11:00
Vincent Duvert 342dc61784 cc3200/ftp: Add quotes to PWD response and allow FEAT prior to login.
This commit improves some FTP implementation details for better
compatibility with FTP clients:

* The PWD command now puts quotes around the directory name before
  returning it.  This fixes BBEdit’s FTP client, which performs a PWD after
  each CWD and gets confused if the returned directory path is not
  surrounded by quotes.

* The FEAT command is now allowed before logging in. This fixes the lftp
  client, which send FEAT first and gets confused (tries to use TLS) if the
  server responds with 332.
2021-01-23 17:40:53 +11:00
Damien George bd7af6151d ports: Add utime.gmtime() function.
To portably get the Epoch.  This is simply aliased to localtime() on ports
that are not timezone aware.

Signed-off-by: Damien George <damien@micropython.org>
2020-09-18 16:25:36 +10:00
Damien George 06659077a8 all: Update Python code to conform to latest black formatting.
Updating to Black v20.8b1 there are two changes that affect the code in
this repository:

- If there is a trailing comma in a list (eg [], () or function call) then
  that list is now written out with one line per element.  So remove such
  trailing commas where the list should stay on one line.

- Spaces at the start of """ doc strings are removed.

Signed-off-by: Damien George <damien@micropython.org>
2020-08-29 15:18:01 +10:00
Damien George 5f3c2f1fa8 stm32/irq: Clean up irq.h so it does not depend on core uPy defines.
The irq.h file now just provides low-level IRQ definitions and priorities.
All Python binding definitions are moved to modmachine.h, with some
renaming of pyb -> machine, and also the machine_idle definition (was
pyb_wfi) is moved to modmachine.c.

The cc3200 and teensy ports are updated to build with these changes.

Signed-off-by: Damien George <damien@micropython.org>
2020-06-22 13:47:15 +10:00
David Lechner 77ed6f69ac tools/uncrustify: Enable more opts to remove space between func and '('.
With only `sp_func_proto_paren = remove` set there are some cases where
uncrustify misses removing a space between the function name and the
opening '('.  This sets all of the related options to `force` as well.
2020-06-19 22:07:32 +10:00
Jim Mussared 710426024a all: Factor gchelper code to one place and use it for unix & ARM ports.
No functionality change is intended with this commit, it just consolidates
the separate implementations of GC helper code to the lib/utils/ directory
as a general set of helper functions useful for any port.  This reduces
duplication of code, and makes it easier for future ports or embedders to
get the GC implementation correct.

Ports should now link against gchelper_native.c and either gchelper_m0.s or
gchelper_m3.s (currently only Cortex-M is supported but other architectures
can follow), or use the fallback gchelper_generic.c which will work on
x86/x64/ARM.

The gc_helper_get_sp function from gchelper_m3.s is not really GC related
and was only used by cc3200, so it has been moved to that port and renamed
to cortex_m3_get_sp.
2020-04-29 23:45:19 +10:00
stijn 84fa3312cf all: Format code to add space after C++-style comment start.
Note: the uncrustify configuration is explicitly set to 'add' instead of
'force' in order not to alter the comments which use extra spaces after //
as a means of indenting text for clarity.
2020-04-23 11:24:25 +10:00
stijn d6243568a0 all: Remove commented-out include statements. 2020-04-23 11:24:15 +10:00
Jim Mussared 073b9a5eb8 ports: Enable error text compression for various ports, but not all.
Enabled on: bare-arm, minimal, unix coverage/dev/minimal, stm32, esp32,
esp8266, cc3200, teensy, qemu-arm, nrf.  Not enabled on others to be able
to test the code when the feature is disabled (the default case).

Code size change for this commit:

   bare-arm:  -600 -0.906%
minimal x86:  -308 -0.208%
   unix x64:    +0 +0.000%
unix nanbox:    +0 +0.000%
      stm32: -3368 -0.869% PYBV10
     cc3200: -1024 -0.558%
    esp8266: -2512 -0.368% GENERIC
      esp32: -2876 -0.205% GENERIC[incl -3168(data)]
        nrf: -1708 -1.173% pca10040
       samd:    +0 +0.000% ADAFRUIT_ITSYBITSY_M4_EXPRESS
2020-04-05 15:02:06 +10:00