Commit Graph

8768 Commits

Author SHA1 Message Date
Damien George
27fa9881a9 esp32/modnetwork: Implement dhcp_hostname for WLAN.config(). 2018-02-19 17:02:56 +11:00
Damien George
4e469085c1 py/objstr: Protect against creating bytes(n) with n negative.
Prior to this patch uPy (on a 32-bit arch) would have severe issues when
calling bytes(-1): such a call would call vstr_init_len(vstr, -1) which
would then +1 on the len and call vstr_init(vstr, 0), which would then
round this up and allocate a small amount of memory for the vstr.  The
bytes constructor would then attempt to zero out all this memory, thinking
it had allocated 2^32-1 bytes.
2018-02-19 16:25:30 +11:00
Damien George
165aab12a3 py/repl: Generalise REPL autocomplete to use qstr probing.
This patch changes the way REPL autocomplete finds matches.  It now probes
the target object for all qstrs via mp_load_method_maybe to look for a
match with the given input string.  Similar to how the builtin dir()
function works, this new algorithm now find all methods and instances of
user-defined classes including attributes of their parent classes.  This
helps a lot at the REPL prompt for user-discovery and to autocomplete names
even for classes that are derived.

The downside is that this new algorithm is slower than the previous one,
and in particular will be slower the more qstrs there are in the system.
But because REPL autocomplete is primarily used in an interactive way it is
not that important to make it fast, as long as it is "fast enough" compared
to human reaction.

On a slow microcontroller (CPU running at 16MHz) the autocomplete time for
a list of 35 names in the outer namespace (pressing tab at a bare prompt)
takes about 160ms with this algorithm, compared to about 40ms for the
previous implementation (this time includes the actual printing of the
names as well).  This time of 160ms is very reasonable especially given the
new functionality of listing all the names.

This patch also decreases code size by:

   bare-arm:    +0
minimal x86:  -128
   unix x64:  -128
unix nanbox:  -224
      stm32:   -88
     cc3200:   -80
    esp8266:   -92
      esp32:   -84
2018-02-19 16:12:44 +11:00
Damien George
98647e83c7 py/modbuiltins: Simplify and generalise dir() by probing qstrs.
This patch improves the builtin dir() function by probing the target object
with all possible qstrs via mp_load_method_maybe.  This is very simple (in
terms of implementation), doesn't require recursion, and allows to list all
methods of user-defined classes (without duplicates) even if they have
multiple inheritance with a common parent.  The downside is that it can be
slow because it has to iterate through all the qstrs in the system, but
the "dir()" function is anyway mostly used for testing frameworks and user
introspection of types, so speed is not considered a priority.

In addition to providing a more complete implementation of dir(), this
patch is simpler than the previous implementation and saves some code
space:

   bare-arm:   -80
minimal x86:   -80
   unix x64:   -56
unix nanbox:   -48
      stm32:   -80
     cc3200:   -80
    esp8266:  -104
      esp32:   -64
2018-02-19 16:12:44 +11:00
Damien George
a8775aaeb0 py/qstr: Add QSTR_TOTAL() macro to get number of qstrs. 2018-02-19 16:12:44 +11:00
Damien George
2a0cbc0d38 py/gc: Update comment now that gc_drain_stack is called gc_mark_subtree. 2018-02-19 16:08:20 +11:00
Ayke van Laethem
736faef223 py/gc: Make GC stack pointer a local variable.
This saves a bit in code size, and saves some precious .bss RAM:

                 .text  .bss
minimal CROSS=1: -28    -4
unix (64-bit):   -64    -8
2018-02-19 16:05:46 +11:00
Ayke van Laethem
5c9e5618e0 py/gc: Rename gc_drain_stack to gc_mark_subtree and pass it first block.
This saves a bit in code size:

minimal CROSS=1: -44
unix:            -96
2018-02-19 16:00:59 +11:00
Ayke van Laethem
ea7cf2b738 py/gc: Reduce code size by specialising VERIFY_MARK_AND_PUSH macro.
This macro is written out explicitly in the two locations that it is used
and then the code is optimised, opening possibilities for further
optimisations and reducing code size:

unix:            -48
minimal CROSS=1: -32
stm32:           -32
2018-02-19 15:58:49 +11:00
Mike Wadsten
a3e01d3642 py/objdict: Disallow possible modifications to fixed dicts. 2018-02-18 21:51:04 -06:00
Damien George
5a82ba8e07 esp32/machine_touchpad: Swap pins 32 and 33.
Based on testing, this is how the mapping should be.
2018-02-19 00:36:55 +11:00
Damien George
7b2a9b059a py/pystack: Use "pystack exhausted" as error msg for out of pystack mem.
Using the message "maximum recursion depth exceeded" for when the pystack
runs out of memory can be misleading because the pystack can run out for
reasons other than deep recursion (although in most cases pystack
exhaustion is probably indirectly related to deep recursion).  And it's
important to give the user more precise feedback as to the reason for the
error: if they know precisely that the pystack was exhausted then they have
a chance to increase the amount of memory available to the pystack (as
opposed to not knowing if it was the C stack or pystack that ran out).

Also, C stack exhaustion is more serious than pystack exhaustion because it
could have been that the C stack overflowed and overwrote/corrupted some
data and so the system must be restarted.  The pystack can never corrupt
data in this way so pystack exhaustion does not require a system restart.
Knowing the difference between these two cases is therefore important.

The actual exception type for pystack exhaustion remains as RuntimeError so
that programatically it behaves the same as a C stack exhaustion.
2018-02-19 00:26:14 +11:00
Damien George
3759aa2cc9 drivers/sdcard: Update SD mounting example code for ESP8266. 2018-02-18 23:40:54 +11:00
Ayke van Laethem
5591bd237a py/nlrthumb: Do not mark nlr_push as not returning anything.
By adding __builtin_unreachable() at the end of nlr_push, we're
essentially telling the compiler that this function will never return.
When GCC LTO is in use, this means that any time nlr_push() is called
(which is often), the compiler thinks this function will never return
and thus eliminates all code following the call.

Note: I've added a 'return 0' for older GCC versions like 4.6 which
complain about not returning anything (which doesn't make sense in a
naked function). Newer GCC versions (tested 4.8, 5.4 and some others)
don't complain about this.
2018-02-18 01:35:27 +01:00
Damien George
60c6b880fa esp32/machine_rtc: Move export declaration from .c to common .h file. 2018-02-17 00:52:55 +11:00
Eric Poulsen
abec47a1cd esp32/modesp32: Add new module "esp32" to support extra wake features.
The machine.Pin class is also updated to support these wake-on-pin
features.
2018-02-17 00:49:05 +11:00
Eric Poulsen
44033a1d27 esp32/machine_rtc: Add RTC class to machine module with sleep impl.
The machine.RTC class is added and the machine module is updated with the
implementation of sleep, deepsleep, reset_cause and wake_reason.
2018-02-17 00:47:17 +11:00
Damien George
73d1d20b46 py/objexcept: Remove long-obsolete mp_const_MemoryError_obj.
This constant exception instance was once used by m_malloc_fail() to raise
a MemoryError without allocating memory, but it was made obsolete long ago
by 3556e45711.  The functionality is now
replaced by the use of mp_emergency_exception_obj which lives in the global
uPy state, and which can handle any exception type, not just MemoryError.
2018-02-15 16:50:02 +11:00
Damien George
d966a33486 stm32: Change header include guards from STMHAL to STM32 to match dir. 2018-02-15 15:47:04 +11:00
Damien George
e05fca4ef3 docs/library/ujson: Document dump() and load() functions. 2018-02-15 11:37:48 +11:00
Damien George
d9bca1f7bd extmod/modujson: Implement ujson.dump() function. 2018-02-15 11:35:42 +11:00
Damien George
9e8b7b1b63 docs/library/ujson: Update to conform with docs conventions.
The formatting of exception objects is done as per CPython conventions, eg:

    :exc:`TypeError`
2018-02-15 11:31:34 +11:00
Olivier Ortigues
298b325f3e docs/esp8266: Add a note concerning GPIO16 pull capabilities. 2018-02-15 11:15:12 +11:00
Olivier Ortigues
359d2bdf84 esp8266/README.md: Update build instruction to reflect new ports dir. 2018-02-15 11:14:52 +11:00
Olivier Ortigues
d072573226 docs/esp8266: Update PWM doc regarding clipping of min/max values. 2018-02-15 11:14:34 +11:00
Olivier Ortigues
5c83d05b49 esp8266/esppwm: Clip negative duty numbers to 0.
Prior to this patch a negative duty would lead to full PWM.
2018-02-15 11:12:41 +11:00
Damien George
ab7819c314 unix/mpconfigport_coverage: Enable range (in)equality comparison. 2018-02-14 23:22:02 +11:00
Damien George
d77da83d55 py/objrange: Implement (in)equality comparison between range objects.
This feature is not often used so is guarded by the config option
MICROPY_PY_BUILTINS_RANGE_BINOP which is disabled by default.  With this
option disabled MicroPython will always return false when comparing two
range objects for equality (unless they are exactly the same object
instance).  This does not match CPython so if (in)equality between range
objects is needed then this option should be enabled.

Enabling this option costs between 100 and 200 bytes of code space
depending on the machine architecture.
2018-02-14 23:17:06 +11:00
Damien George
5604b710c2 py/emitglue: When assigning bytecode only pass bytecode len if needed.
Most embedded targets will have this bit of the code disabled, saving a
small amount of code space.
2018-02-14 18:41:17 +11:00
Damien George
e98ff40604 py/modbuiltins: Simplify casts from char to byte ptr in builtin ord. 2018-02-14 18:27:14 +11:00
Damien George
19aee9438a py/unicode: Clean up utf8 funcs and provide non-utf8 inline versions.
This patch provides inline versions of the utf8 helper functions for the
case when unicode is disabled (MICROPY_PY_BUILTINS_STR_UNICODE set to 0).
This saves code size.

The unichar_charlen function is also renamed to utf8_charlen to match the
other utf8 helper functions, and the signature of this function is adjusted
for consistency (const char* -> const byte*, mp_uint_t -> size_t).
2018-02-14 18:19:22 +11:00
Damien George
49e0dd54e6 tests/run-tests: Capture any output from a crashed uPy execution.
Instead of putting just 'CRASH' in the .py.out file, this patch makes it so
any output from uPy that led to the crash is stored in the .py.out file, as
well as the 'CRASH' message at the end.
2018-02-14 17:24:59 +11:00
Damien George
04c55f5828 tests: Rewrite some tests so they can run without needing eval/exec.
For builds without the compiler enabled (and hence without eval/exec) it is
useful to still be able to run as many tests as possible.
2018-02-14 16:50:20 +11:00
Damien George
6031957473 tests: Automatically skip tests that require eval, exec or frozenset. 2018-02-14 16:46:44 +11:00
Damien George
24c513cbc3 unix/Makefile,embedding/Makefile: Remove obsolete use of STMHAL_SRC_C. 2018-02-14 15:24:21 +11:00
Damien George
e6235fe647 teensy: Update GPIO speed consts to align with changes in stm32 port. 2018-02-14 10:52:45 +11:00
Damien George
fa13e0d35b stm32: Factor out flash and SPI block-device code to separate files.
Prior to this patch, storage.c was a combination of code that handled
either internal flash or external SPI flash and exposed one of them as a
block device for the local storage.  It was also exposed to the USB MSC.

This patch splits out the flash and SPI code to separate files, which each
provide a general block-device interface (at the C level).  Then storage.c
just picks one of them to use as the local storage medium.  The aim of this
factoring is to allow to add new block devices in the future and allow for
easier configurability.
2018-02-13 22:21:46 +11:00
Damien George
34911f1a57 stm32/boards: Update all boards to work with new USB configuration. 2018-02-13 18:57:01 +11:00
Damien George
d9b9fbc41a lib/utils/pyexec: Update to work with new MICROPY_HW_ENABLE_USB option. 2018-02-13 18:56:12 +11:00
Damien George
5c320bd0b0 stm32: Introduce MICROPY_HW_ENABLE_USB and clean up USB config.
This patch allows to completely compile-out support for USB, and no-USB is
now the default.  If a board wants to enable USB it should define:

    #define MICROPY_HW_ENABLE_USB (1)

And then one or more of the following to select the USB PHY:

    #define MICROPY_HW_USB_FS (1)
    #define MICROPY_HW_USB_HS (1)
    #define MICROPY_HW_USB_HS_IN_FS (1)
2018-02-13 18:51:08 +11:00
Damien George
8aad22fdca stm32/timer: Support MCUs that don't have TIM4 and/or TIM5. 2018-02-13 15:53:39 +11:00
Damien George
6e91ab5806 stm32/spi: Further updates to use newer versions of HAL names. 2018-02-13 15:53:08 +11:00
Damien George
3eb0694b97 stm32: Update HAL macro and constant names to use newer versions.
Newer versions of the HAL use names which are cleaner and more
self-consistent amongst the HAL itself.  This patch switches to use those
names in most places so it is easier to update the HAL in the future.
2018-02-13 15:37:35 +11:00
Damien George
8e1cb58a23 stm32/usbdev: Fix USBD setup request handler to use correct recipient.
Prior to this patch the USBD driver did not handle the recipient correctly
for setup requests.  It was not interpreting the req->wIndex field in the
right way: in some cases this field indicates the endpoint number but the
code was assuming it always indicated the interface number.

This patch fixes this.  The only noticeable change is to the MSC
interface, which should now correctly respond to the USB_REQ_CLEAR_FEATURE
request and hence unmount properly from the host when requested.
2018-02-12 17:22:59 +11:00
Damien George
02f88cb2df stm32/boards: Remove all config options that are set to defaults.
mpconfigboard_common.h now sets the defaults so there is no longer a need
to explicitly list all configuration options in a board's mpconfigboard.h
file.
2018-02-09 18:40:40 +11:00
Damien George
2d5bab46be stm32: Add mpconfigboard_common.h with common/default board settings.
This file mirrors py/mpconfig.h but for board-level config options.  It
provides a default configuration, to be overridden by a specific
mpconfigboard.h file, as well as setting up certain macros to automatically
configure a board.
2018-02-09 18:40:13 +11:00
Damien George
bbb08431f3 py/objfloat: Fix case of raising 0 to -infinity.
It was raising an exception but it should return infinity.
2018-02-08 14:35:43 +11:00
Damien George
b75cb8392b py/parsenum: Fix parsing of floats that are close to subnormal.
Prior to this patch, a float literal that was close to subnormal would
have a loss of precision when parsed.  The worst case was something like
float('10000000000000000000e-326') which returned 0.0.
2018-02-08 14:02:50 +11:00
Damien George
0c650d4276 py/vm: Simplify stack sentinel values for unwind return and jump.
This patch simplifies how sentinel values are stored on the stack when
doing an unwind return or jump.  Instead of storing two values on the stack
for an unwind jump it now stores only one: a negative small integer means
unwind-return and a non-negative small integer means unwind-jump with the
value being the number of exceptions to unwind.  The savings in code size
are:

   bare-arm:   -56
minimal x86:   -68
   unix x64:   -80
unix nanbox:    -4
      stm32:   -56
     cc3200:   -64
    esp8266:   -76
      esp32:  -156
2018-02-08 13:30:33 +11:00
Damien George
0b12cc8feb .travis.yml,ports/unix/Makefile: Add coverage test for script via stdin. 2018-02-08 11:30:19 +11:00