| Commit message (Collapse) | Author | Age |
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The VFS sub-system supports mounting of an arbitrary number of devices
(limited only by available RAM). The internal flash is now mounted at
"/flash".
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There's no need to force ports to copy-and-paste this initialisation
code. If FSUSERMOUNT is enabled then this zeroing out must be done.
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With this patch, @micropython.asm_xtensa can be used on the esp8266 port.
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This patch allows esp8266 to use @micropython.native and
@micropython.viper function decorators. By default the executable machine
code is written to the space at the end of the iram1 region. The user can
call esp.set_native_code_location() to make the code go to flash instead.
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If a port defines MICROPY_READER_POSIX or MICROPY_READER_FATFS then
lexer.c now provides an implementation of mp_lexer_new_from_file using
the mp_reader_new_file function.
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ESP8266 SDK2.0 fixes (at least, I can't reproduce it) an infamous bug
with crash during scan. 36K seams to be a safe value based on a download
test (test_dl.py), over 1GB was downloaded. More testing is needed, but
let's have other people participate by committing it now.
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It's probably not strictly needed so far, but serves as an example of
MP_FASTCODE use and may be helpful in the future.
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upip will use first non-empty component in sys.path as an install path
(if MICROPYPATH envvar is not set, like it will be for baremetal targets).
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Utility functions for keyboard interrupt handling, to be reused across
(baremetal) ports.
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Because they may use dupterm functionality (e.g. WebREPL running on boot).
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Not clearing the command line history sometimes results in strange output
when going back after a reset.
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This is kind of compensation for 4K FatFs buffer size which is eaten away
from it on FS mount. This should still leave enough of networking ("OS")
heap.
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Upon start-up, _boot module is executed from frozen files to do early
initialization, e.g. create and mount the flash filesystem. Then
"boot.py" is executed if it exists in the filesystem. Finally, "main.py"
is executed if exists to allow start-on-boot user applications.
This allows a user to make a custom boot file or startup application
without recompiling the firmware, while letting to do early initialization
in Python code.
Based on RFC https://github.com/micropython/micropython/issues/1955.
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Event-driven loop (push-style) is still supported and default (controlled
by MICROPY_REPL_EVENT_DRIVEN setting, as expected).
Dedicated loop worked even without adding ets_loop_iter(), though that
needs to be revisited later.
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Also, term_obj can be NULL if socket enables REPL duplication signalling
before os.dupterm is called, so it should be checked.
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The idea is following: underlying interrupt-driven or push-style data source
signals that more data is available for dupterm processing via call to
mp_hal_signal_dupterm_input(). This triggers a task which pumps data between
actual dupterm object (which may perform additional processing on data from
low-level data source) and input ring buffer.
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Otherwise device stays mounted on soft reset and leads to corruption
(since block device object is now gone).
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Otherwise, events may be posted to non-initialized task, which leads to
segfaults.
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This is a convenience function similar to pyexec_file. It should be used
instead of raw mp_parse_compile_execute because the latter does not catch
and report exceptions.
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py/mphal.h contains declarations for generic mp_hal_XXX functions, such
as stdio and delay/ticks, which ports should provide definitions for. A
port will also provide mphalport.h with further HAL declarations.
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Initializing too early caused some of the API functions (wifi_*) to fail
when called in main.py
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As user_init() is not a true main functions, the stack pointer captured within
is not pointing at the base of the stack. This caused gc_collect being called
with sp being higher than stack_end, causing integer overflow and crashing as
gc tried to scan almost the entire address space.
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esp8266 port now has working raw and friendly REPL, as well as working
soft reset (CTRL-D at REPL, or raise SystemExit).
tools/pyboard.py now works with esp8266 port.
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To enable parsing constants more efficiently, mp_parse should be allowed
to raise an exception, and mp_compile can already raise a MemoryError.
So these functions need to be protected by an nlr push/pop block.
This patch adds that feature in all places. This allows to simplify how
mp_parse and mp_compile are called: they now raise an exception if they
have an error and so explicit checking is not needed anymore.
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This enables proper interfacing with underlying OS - MicroPython doesn't
run the main loop, OS does, MicroPython just gets called when some event
takes place.
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We cannot assume that all memory belongs to us - it actually belongs to
ESP8266 OS.
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This patch consolidates all global variables in py/ core into one place,
in a global structure. Root pointers are all located together to make
GC tracing easier and more efficient.
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Some rodata items can go in iram/irom segment, but not others. With
this patch ESP now has 24256 bytes of heap ram. It passes 228 out of
248 tests from tests/basics directory.
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