Commit Graph

10025 Commits

Author SHA1 Message Date
Damien George
5996eeb48f py/persistentcode: Add a qstr window to save mpy files more efficiently.
This is an implementation of a sliding qstr window used to reduce the
number of qstrs stored in a .mpy file.  The window size is configured to 32
entries which takes a fixed 64 bytes (16-bits each) on the C stack when
loading/saving a .mpy file.  It allows to remember the most recent 32 qstrs
so they don't need to be stored again in the .mpy file.  The qstr window
uses a simple least-recently-used mechanism to discard the least recently
used qstr when the window overflows (similar to dictionary compression).
This scheme only needs a single pass to save/load the .mpy file.

Reduces mpy file size by about 25% with a window size of 32.
2019-03-05 16:25:07 +11:00
Damien George
5a2599d962 py: Replace POP_BLOCK and POP_EXCEPT opcodes with POP_EXCEPT_JUMP.
POP_BLOCK and POP_EXCEPT are now the same, and are always followed by a
JUMP.  So this optimisation reduces code size, and RAM usage of bytecode by
two bytes for each try-except handler.
2019-03-05 16:09:58 +11:00
Damien George
6f9e3ff719 py/vm: Remove currently_in_except_block variable.
After the previous commit it is no longer needed.
2019-03-05 16:09:41 +11:00
Damien George
e1fb03f3e2 py: Fix VM crash with unwinding jump out of a finally block.
This patch fixes a bug in the VM when breaking within a try-finally.  The
bug has to do with executing a break within the finally block of a
try-finally statement.  For example:

    def f():
        for x in (1,):
            print('a', x)
            try:
                raise Exception
            finally:
                print(1)
                break
            print('b', x)
    f()

Currently in uPy the above code will print:

    a 1
    1
    1
    segmentation fault (core dumped)  micropython

Not only is there a seg fault, but the "1" in the finally block is printed
twice.  This is because when the VM executes a finally block it doesn't
really know if that block was executed due to a fall-through of the try (no
exception raised), or because an exception is active.  In particular, for
nested finallys the VM has no idea which of the nested ones have active
exceptions and which are just fall-throughs.  So when a break (or continue)
is executed it tries to unwind all of the finallys, when in fact only some
may be active.

It's questionable whether break (or return or continue) should be allowed
within a finally block, because they implicitly swallow any active
exception, but nevertheless it's allowed by CPython (although almost never
used in the standard library).  And uPy should at least not crash in such a
case.

The solution here relies on the fact that exception and finally handlers
always appear in the bytecode after the try body.

Note: there was a similar bug with a return in a finally block, but that
was previously fixed in b735208403
2019-03-05 16:05:05 +11:00
Damien George
b5f33ac2cb ports: Update to work with new oofatfs version. 2019-03-05 15:56:39 +11:00
Damien George
e959f21986 extmod/vfs_fat: Update for new oofatfs version. 2019-03-05 15:56:39 +11:00
Damien George
7eadcaa8c6 lib/oofatfs: Update ffconf.h config for new oofatfs version. 2019-03-05 15:56:39 +11:00
Damien George
1a24bac6cb lib/oofatfs: Update oofatfs library to R0.13c working branch.
From https://github.com/micropython/oofatfs, branch work-R0.13c,
commit cb05c9486d3b48ffd6bd7542d8dbbab4b1caf790.

Large code pages (932, 936, 949, 950) have been removed from ffunicode.c
because they were not included in previous versions here.
2019-03-05 15:56:39 +11:00
Francisco J. Manno
f938e70c69 stm32: Add compile-time option to use HSI as clock source.
To use HSI instead of HSE define MICROPY_HW_CLK_USE_HSI as 1 in the board
configuration file.  The default is to use HSE.

HSI has been made the default for the NUCLEO_F401RE board to serve as an
example, and because early revisions of this board need a hardware
modification to get HSE working.
2019-03-05 15:49:08 +11:00
Damien George
e61862d063 stm32/boards: Update to use new build config for lwip component. 2019-03-04 23:34:03 +11:00
Damien George
78fe979d7d stm32: Use global lwip build config and support building without lwip. 2019-03-04 23:33:02 +11:00
Damien George
871954d75c py/py.mk: Update lwip build config to work with latest lwip version.
Also, to make it possible for ports to provide their own lwipopts.h, the
default include directory of extmod/lwip-include is no longer added and
instead a port should now make sure the correct include directory is
included in the list (can still use extmod/lwip-include).
2019-03-04 23:29:01 +11:00
Damien George
84479569de stm32/boards/STM32F769DISC: Use external QSPI flash to store some code.
This demonstrates how to use external QSPI flash in XIP (execute in place)
mode.  The default configuration has all extmod/ code placed into external
QSPI flash, but other code can easily be put there by modifying the custom
f769_qspi.ld script.
2019-03-04 22:40:15 +11:00
Damien George
c8bbf2c170 stm32/Makefile: Allow a board to specify its linker sections for FW.
A board can now use the make variables TEXT0_SECTIONS and TEXT1_SECTIONS to
specify the linker sections that should go in its firmware.  Defaults are
provided which give the existing behaviour.
2019-03-04 22:26:55 +11:00
Tom Collins
2d644ac455 py/objexcept: Fix hash of exc str created in mp_obj_new_exception_msg. 2019-03-04 12:07:03 +11:00
Damien George
f8f2724297 stm32/qspi: Enable sample shift and disable timeout counter.
This makes the QSPI more robust, in particular the timeout counter should
not be used with memory mapped mode (see F7 errata).
2019-03-01 16:15:14 +11:00
Damien George
47e551ba59 cc3200/mpconfigport.h: Disable compiler optimisation of OrderedDict.
This port would rather keep the code size as RAM.
2019-03-01 15:24:29 +11:00
Damien George
0779693c23 py/compile: Add optimisation to compile OrderedDict inplace.
This optimisation eliminates the need to create a temporary normal dict.
The optimisation is enabled via MICROPY_COMP_CONST_LITERAL which is enabled
by default (although only has an effect if OrderdDict is enabled).

Thanks to @pfalcon for the initial idea and implementation.
2019-03-01 15:22:46 +11:00
Damien George
8ce22662fe esp8266/modmachine: Call ets_event_poll after waiti in machine.idle.
Because "waiti 0" may have waited for a while (eg 500ms) and the internal
WDT may need to be fed immediately.

Fixes issue #4459.
2019-02-28 15:44:37 +11:00
Damien George
9b2a97a903 extmod/modwebrepl: Fix logic to handle a put of file of size 0.
Fixes issue #4499.
2019-02-28 15:30:48 +11:00
Damien George
ed1a88e263 extmod/modlwip: Don't require a port to define concurrency macros. 2019-02-27 10:27:56 +11:00
Damien George
12ce9f2689 py/compile: Fix handling of unwinding BaseException in async with.
All exceptions that unwind through the async-with must be caught and
BaseException is the top-level class, which includes Exception and others.

Fixes issue #4552.
2019-02-26 23:52:10 +11:00
Damien George
823b31e528 stm32/boards/NUCLEO_F429ZI: Enable lwIP and Ethernet peripheral. 2019-02-26 23:32:19 +11:00
Damien George
ed0a530614 stm32/boards/STM32F769DISC: Enable lwIP and Ethernet peripheral. 2019-02-26 23:32:19 +11:00
Damien George
b3513f54d3 stm32/boards/STM32F7DISC: Enable lwIP and Ethernet peripheral. 2019-02-26 23:32:19 +11:00
Damien George
8daec24168 stm32/boards/NUCLEO_F767ZI: Enable lwIP and Ethernet peripheral. 2019-02-26 23:32:19 +11:00
Damien George
ac3e2f380d stm32/modnetwork: Don't call NIC callback if it's NULL. 2019-02-26 23:32:19 +11:00
Damien George
08a24c5f41 stm32/mpconfigport.h: Enable lwIP concurrency protection mechanism. 2019-02-26 23:32:19 +11:00
Damien George
c55709bf29 stm32/network_lan: Add high-level network.LAN interface to ETH driver. 2019-02-26 23:32:19 +11:00
Damien George
c950a1a35d stm32/eth: Add low-level Ethernet MAC driver. 2019-02-26 23:32:19 +11:00
Damien George
b6791ffbbe lib/netutils: Add function to print tracing info for Ethernet frames. 2019-02-26 23:32:19 +11:00
Damien George
39ea132e1d extmod/modlwip: Add concurrency protection macros.
Some users of this module may require the LwIP stack to run at an elevated
priority, to protect against concurrency issues with processing done by the
underlying network interface.  Since LwIP doesn't provide such protection
it must be done here (the other option is to run LwIP in a separate thread,
and use thread protection mechanisms, but that is a more heavyweight
solution).
2019-02-26 23:32:19 +11:00
Damien George
cc63e19332 stm32/mphalport: Add mp_hal_get_mac() helper function. 2019-02-26 23:32:07 +11:00
Damien George
75a35448e1 stm32/boards/NUCLEO_F767ZI: Fix up comments about HCLK computation. 2019-02-26 22:44:27 +11:00
Yonatan Goldschmidt
9521399044 docs/uos: Document extra requirements on stream objs passed to dupterm.
This is only correct for the extmod/uos_dupterm.c implementation however,
as e.g cc3200 implementation does the mp_load_method() itself, and anyway
requires `read` instead of `readinto`.
2019-02-26 01:12:37 +11:00
Petr Kracík
21f9329d5d esp32/modnetwork: Fix wifi.isconnected to return False after disconnect.
esp_wifi_connect will return ESP_OK for the normal path of execution which
just means the reconnect is started, not that it is actually reconnected.
In such a case wifi.isconnected() should return False until the
reconnection is complete.  After reconnect a GOT_IP event is called and it
will change wifi_sta_connected back to True.
2019-02-26 00:49:40 +11:00
Damien George
55ff562c70 unix/modffi: Eliminate unused-argument warning when debugging disabled. 2019-02-25 14:53:17 +11:00
Damien George
4ee2c2a4cd py: Eliminate warnings about unused arguments when debugging disabled. 2019-02-25 14:52:36 +11:00
Petr Kracík
5801a003f0 esp32/network_lan: Make power arg to constructor optional.
A value of None for this argument is already supported, so the argument can
be made optional.
2019-02-21 23:29:10 +11:00
Petr Kracík
01c1432e32 esp32/modnetwork: Catch and report Ethernet events. 2019-02-21 23:28:51 +11:00
Petr Kracík
7d8c71c222 esp32/network_lan: Add arg to constructor to set clock mode for ETH PHY.
This optional parameter for network.LAN clock_mode can be used for cases
where the clock source is different from the default GPIO0.  Fixes #4502.
2019-02-21 23:28:17 +11:00
Damien George
be41d6d6f9 tests/basics: Add tests for try-except-else and try-except-else-finally. 2019-02-21 16:22:41 +11:00
Stig Bjørlykke
c72391c4ce nrf/pwm: Remove superfluous NULL in machine_hard_pwm_instances.
Remove unneeded NULL entry in machine_hard_pwm_instances[] when not
building for NRF52_SERIES.
2019-02-20 22:52:18 +01:00
Stig Bjørlykke
6ca03fe8bd nrf/readme: Update make flash command when defining board.
Update the "make flash" command sample to include BOARD parameter
when building for a specific target board.
2019-02-20 22:34:08 +01:00
Glenn Ruben Bakke
ca2bb66127 nrf/bluetooth: Resolve compilation warning in ble_drv.c.
This patch makes sure that the char_data.props is first
assigned a value before other flags are OR'd in.
Resolves compilation warning on possible unitialized variable.
2019-02-20 07:25:51 +01:00
Glenn Ruben Bakke
0c6f5bc529 nrf/bluetooth: Improve advertisment behavior for nrf52 targets.
This patch makes sure that advertisment data is located in
persistent static RAM memory throughout the advertisment.

Also, setting m_adv_handle to predifined
BLE_GAP_ADV_SET_HANDLE_NOT_SET value to indicate first time
usage of the handle. Upon first advertisment configuration
this will be populated with a handle value returned by the
stack (s132/s140).
2019-02-20 07:25:51 +01:00
Glenn Ruben Bakke
ee3a01f25c nrf/readme: Update link to nrfjprog download.
After new layout of nordicsemi.com the direct links to
command line tools (nrfjprog) has changed to become dynamic.
This patch removes the old direct links to each specific OS
variant and is replaced with one single link to the download
landing page instead.
2019-02-20 07:13:36 +01:00
Andrew Leech
8ed4a28dae stm32/sdram: Increase GPIO speed for SDRAM interface to "very high".
Currently all usages of mp_hal_pin_config_alt_static() set the pin speed to
"high" (50Mhz).  The SDRAM interface typically runs much faster than this
so should be set to the maximum pin speed.

This commit adds mp_hal_pin_config_alt_static_speed() which allows setting
the pin speed along with the other alternate function details.
2019-02-20 16:54:32 +11:00
Damien George
7bc71f5446 py/objfun: Make fun_data arg of mp_obj_new_fun_asm() a const pointer. 2019-02-20 13:14:03 +11:00
Damien George
bf352047de py/obj.h: Remove obsolete mp_obj_new_fun_viper() declaration. 2019-02-20 13:06:35 +11:00