Commit Graph

18120 Commits

Author SHA1 Message Date
Damien George
90f259f62b py/objtuple: Move all tuple helper declarations to objtuple.h.
These helper functions assume their argument is of type `mp_obj_tuple_t` so
they have a better home in `py/objtuple.h`.

Also remove `mp_obj_tuple_hash()` because it doesn't have a corresponding
function defined anywhere (nor is it ever used).

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:43:54 +11:00
Damien George
8c1462b454 py/objlist: Make three list helper functions inline.
This can be done now these functions are declared in `py/objlist.h`, where
the `mp_obj_list_t` struct is defined.

This changes code size by -24 bytes on bare-arm, and by -56 bytes on stm32.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:43:54 +11:00
Damien George
1199015747 py/objlist: Move all list helper declarations to objlist.h.
These helper functions assume their argument is of type `mp_obj_list_t` so
they have a better home in `py/objlist.h`.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:43:54 +11:00
Damien George
512da03403 py/objfun: Rename mp_obj_fun_get_name to mp_obj_fun_bc_get_name.
And change the argument to `const mp_obj_fun_bc_t *`.  This makes it clear
that it requires that specific type, rather than a general `mp_obj_t`.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:43:52 +11:00
Damien George
60fa4ab05d py/objfun: Move decl of mp_obj_fun_get_name to objfun.h.
This is an internal helper function that assumes the argument is of type
`mp_obj_fun_bc_t`, so has a better home in `py/objfun.h`.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:42:50 +11:00
Damien George
cf90c8d88b py/objmodule: Move decl of mp_obj_module_get_globals to objmodule.h.
This inline helper function has two specific uses so doesn't need to be
generally available in `py/obj.h`.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:42:50 +11:00
Damien George
e07bad9866 py/misc: Remove unused CHECKBUF macros.
These macros were added in e11b17c25f for
use with `sys.path` and building import path names, as well as being used
by the unix port in 625d08a93e.

But the macro usage for importing was promptly replaced with vstrs in
e09ffa1400, and eventually for the unix port
in 520f35632d, over 9.5 years ago.

So, remove these unused macros.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 10:42:50 +11:00
Damien George
0c7726a89c all: Use enum instead of bool argument to mp_handle_pending.
This should be a no-op because the enum and bool have the same numeric
value.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:29:36 +11:00
Damien George
74845981bb py/runtime: Rename mp_handle_pending_internal to mp_handle_pending.
This commit removes the static-inline `mp_handle_pending()` wrapper
function, which was originally added for backwards compatibility.  It
replaces it with `mp_handle_pending_internal()` which is renamed to
`mp_handle_pending()`, which has the same arguments.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:29:05 +11:00
Damien George
2984574d71 py/runtime: Reorder mp_handle_pending_behaviour_t enum.
This is functionally a no-op, although will change compiled code due to the
numerical values of the enums changing.

This is needed for a follow-up commit, to remove the static-inline
`mp_handle_pending(bool)` helper function.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:29:05 +11:00
Damien George
adbdded185 ports: Remove incorrect and unnecessary mp_handle_pending declaration.
In c57aebf790 `mp_handle_pending()` became a
static-inline function.  So these declarations in `mpconfigport.h` are
incorrect and removed by this commit.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:29:05 +11:00
Damien George
570744d06c py/runtime: Make import-all support non-modules via __dict__/__all__.
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Prior to this fix, `mp_import_all()` assumed that its argument was exactly
a native module instance.  That would lead to a crash if something else was
passed in, eg a user class via a custom `__import__` implementation or by
writing to `sys.modules`.

MicroPython already supports injecting non-module objects into the import
machinery, so it makes sense to round out that implementation by supporting
`from x import *` where `x` is a non-module object.

Fixes issue #18639.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-05 00:24:14 +11:00
Damien George
c9f747cccf py/lexer: Move f-string completion code to more logical location.
This way, the use of `lex->fstring_args` is fully self contained within the
string literal parsing section of `mp_lexer_to_next()`.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 23:19:09 +11:00
Damien George
7ea88f7da2 py/lexer: Add support for nested f-strings within f-strings.
It turns out that it's relatively simple to support nested f-strings, which
is what this commit implements.

The way the MicroPython f-string parser works at the moment is:
1. it extracts the f-string arguments (things in curly braces) into a
   temporary buffer (a vstr)
2. once the f-string ends (reaches its closing quote) the lexer switches to
   tokenizing the temporary buffer
3. once the buffer is empty it switches back to the stream.

The temporary buffer can easily hold f-strings itself (ie nested f-strings)
and they can be re-parsed by the lexer using the same algorithm.  The only
thing stopping that from working is that the temporary buffer can't be
reused for the nested f-string because it's currently being parsed.

This commit fixes that by adding a second temporary buffer, which is the
"injection" buffer.  That allows arbitrary number of nestings with a simple
modification to the original algorithm:
1. when an f-string is encountered the string is parsed and its arguments
   are extracted into `fstring_args`
2. when the f-string finishes, `fstring_args` is inserted into the current
   position in `inject_chrs` (which is the start of that buffer if no
   injection is ongoing)
3. `fstring_args` is now cleared and ready for any further f-strings
   (nested or not)
4. the lexer switches to `inject_chrs` if it's not already reading from it
5. if an f-string appeared inside the f-string then it is in `inject_chrs`
   and can be processed as before, extracting its arguments into
   `fstring_args`, which can then be inserted again into `inject_chrs`
6. once `inject_chrs` is exhausted (meaning that all levels of f-strings
   have been fully processed) the lexer switched back to tokenizing the
   stream.

Amazingly, this scheme supports arbitrary numbers of nestings of f-strings
using the same quote style.

This adds some code size and a bit more memory usage for the lexer.  In
particular for a single (non-nested) f-string it now makes an extra copy of
the `fstring_args` data, when copying it across to `inject_chrs`.
Otherwise, memory use only goes up with the complexity of nested f-strings.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 23:19:09 +11:00
Damien George
617c7dba3b py/lexer: Use null char as lexer EOF sentinel.
The null byte cannot exist in source code (per CPython), so use it to
indicate the end of the input stream (instead of `(mp_uint_t)-1`).  This
allows the cache chars (chr0/1/2 and their saved versions) to be 8-bit
bytes, making it clear that they are not `unichar` values.  It also saves a
bit of memory in the `mp_lexer_t` data structure.  (And in a future commit
allows the saved cache chars to be eliminated entirely by storing them in
a vstr instead.)

In order to keep code size down, the frequently used `chr0` is still of
type `uint32_t`.  Having it 32-bit means that machine instructions to load
it are smaller (it adds about +80 bytes to Thumb code if `chr0` is changed
to `uint8_t`).

Also add tests for invalid bytes in the input stream to make sure there are
no regressions in this regard.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 23:19:09 +11:00
Damien George
bfb5e772f1 py/vstr: Don't check for byte_len>0 in vstr_ins_blank_bytes.
Having this check takes code size and execution time, and it's not
necessary: all callers of this function pass a non-zero value for
`byte_len` already.  And even if `byte_len` was zero, the code would still
perform correctly.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 23:19:09 +11:00
Damien George
5f59f399b7 py/vstr: Add vstr_ins_strn helper function.
This is now an easy function to define as inline, so it does not impact
code size unless it's used.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 23:19:09 +11:00
Damien George
60c37a22d6 py/vstr: Make vstr_ins_byte/char functions inline to reduce code size.
This saves about 4 bytes on ARM Cortex-M, and about 50-60 bytes on x86-64.
It also allows the upcoming `vstr_ins_strn()` function to be inline as
well, and have less of a code-size impact when used.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 23:19:09 +11:00
Damien George
6436f8b93f tests/run-tests.py: Abort test run if enter_raw_repl fails many times.
Prior to this change, if a test crashed a board to the point that it was no
longer responsive but the serial connection was still alive and able to
read/write (eg due to an infinite loop with ctrl-C unavailable), it would
take (30 + 10 * number-of-remaining-tests) seconds to finish the test run.
That can be 10 minutes or more.

The change here aborts the test run if the target does not respond 4 times
to when trying to enter the raw REPL at the start of a test.  Now, it only
takes a maximum of (30 + 4 * 5) = 50 seconds to detect a crashed state and
abort the entire test run.

Can test this by adding the following to a test:

    import time, micropython
    micropython.kbd_intr(-1)
    while 1:
        time.sleep(1)

For example, add the above to the end of `tests/extmod/random_extra.py` and
test via:

    $ ./run-tests.py -t a0 extmod/[r-z]*.py
    $ ./run-natmodtests.py -t a0 extmod/[r-z]*.py

Previously the `run-tests.py` run would take around 16 minutes.  Now it
takes under a minute.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 20:17:11 +11:00
Damien George
f624200b31 tests/test_utils.py: Abort test if serial port fails at start.
All test runners (except `run-multitests.py`) will now abort with error
code 2 if the target is a serial port and could not be detected, ie
`enter_raw_repl` failed at the detection stage.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 20:17:11 +11:00
Damien George
a1d4f6256c tests/run-tests.py: Exit with error code 2 if test runner fails.
The tests runners usually exit with error code 1 when something fails.  But
it's useful to distinguish between "a test failed" and "the test runner
failed".

To that end, `run-tests.py` now returns error code 2 when unittest is not
installed but is needed.  And `run-natmodtests.py` now returns error code 2
when it cannot automatically detect the target architecture.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 20:17:11 +11:00
Damien George
cef2538b10 tests/target_wiring/README: Add README describing target_wiring specs.
This is now the authoritative place for what should go in a target wiring
script.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 19:59:38 +11:00
Damien George
d291a280bd tests/target_wiring: Add SPI instance for mimxrt, nrf, renesas-ra, samd.
Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 19:59:19 +11:00
Damien George
e5f772ae85 tests/extmod/machine_spi_rate.py: Use target wiring for SPI instances.
This commit converts `tests/extmod/machine_spi_rate.py` to use the target
wiring mechanism, moving the port-specefic definition of the SPI instances
that are being tested out of the `tests/extmod/machine_spi_rate.py` file
and into the target wiring code.  As part of this, the test is changed to
always use the default pins for the given SPI instance.

This simplifies the test, makes it easier to add support for new
ports/boards, and allows reusing the `spi_standalone_args_list` definition
in other tests (if needed one day).

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 19:59:19 +11:00
Damien George
edab53c1da tests/multi_net: Use random.getrandbits instead of random.randrange.
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The `getrandbits()` function is guaranteed to exist on all ports that have
the `random` module (but `randrange()` is not).

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 19:35:00 +11:00
Damien George
e40d609a0e tests/multi_net: Skip all ssl/tls tests on axTLS.
The axTLS implementation of the tls module only has a basic set of
features.  In particular it doesn't support the CERT_REQUIRED constant nor
DTLS, nor can it load the `ec_key.der` key when acting as a server.  So
skip tests that require these features, which ends up being all the ssl/tls
tests.

Signed-off-by: Damien George <damien@micropython.org>
2026-02-04 19:35:00 +11:00
Peter Harper
2b4b05a422 rp2: Fix linker scripts to match SDK 2.2.0.
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Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>
2026-02-03 12:58:53 +11:00
Peter Harper
6ce02145dd rp2: Remove build patch for Findpioasm.cmake.
This patch was added in 3fa77bdc7d to fix the
GCC 15 build issue https://github.com/raspberrypi/pico-sdk/issues/2448.

The patch is no longer needed with SDK 2.2.0.

Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>
2026-02-03 12:57:32 +11:00
Peter Harper
63dbaca348 rp2: Add pico_platform_common to sdk components.
Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>
2026-02-03 12:53:27 +11:00
Peter Harper
1ecec98ac3 lib/pico-sdk: Update pico-sdk to 2.2.0 release.
Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>
2026-02-03 12:53:20 +11:00
Andrew Leech
023a49c55e mimxrt/boards/PHYBOARD_RT1170: Add PHYBOARD-RT1170 board support.
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Adds board support for PHYTEC phyBOARD-RT1170 Development Kit featuring
MIMXRT1176 dual-core (Cortex-M7/M4), 64MB SDRAM, 16MB QSPI Flash, dual
Gigabit Ethernet (DP83867 RGMII + KSZ8081 RMII), USB 2.0, MIPI-DSI/CSI,
audio codec, CAN FD, RS-232, microSD, and M.2 Key E connector.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-31 22:38:42 +11:00
Dryw Wade
1046b5dc99 mimxrt/Makefile: Make board linker scripts configurable.
With this change, can simply add `LD_FILES` to a board's `mpconfigboard.mk`
to change the linker scripts, such as to change the section sizes, or
change the contents for each region. Example usage:

    LD_FILES = $(BOARD_DIR)/my_board.ld boards/common.ld

Signed-off-by: Dryw Wade <dryw.wade@sparkfun.com>
2026-01-31 22:23:59 +11:00
Andrew Leech
0e9e66100e mimxrt/machine_uart: Use a wrapper function to handle IRQ idle support.
MicroPython needs to handle the UART idle interrupt, which is not something
that the standard SDK provides.  This was previously fixed by including in
the mimxrt port a modified copy of `fsl_lpuart.c`.

This commit changes how that's done by building the unmodified
`fsl_lpuart.c` directly from the SDK, and using linker wrapping to override
the necessary functions to get at the idle IRQ.  As part of this, the code
is updated to work with the latest SDK.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-31 22:02:03 +11:00
Andrew Leech
cf048e0e8e lib/nxp_driver: Update mimxrt SDK to MCUX_2.16.100.
Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-31 22:01:39 +11:00
Dryw Wade
b0feb9c7ee mimxrt/Makefile: Add CXXFLAGS, and libstdc++ to LDFLAGS.
This allows user C modules to be built into the mimxrt port.  The change is
copied from `samd/Makefile`.

Fixes issue #18292.

Signed-off-by: Dryw Wade <dryw.wade@sparkfun.com>
2026-01-31 21:56:01 +11:00
Dryw Wade
0e3cc2910d mimxrt: Add PSRAM implementation.
This commit adds PSRAM support for Teensy 4.1 and other mimxrt boards.
It's enabled by default for Teensy 4.1.

This implementation is based on the Teensy Arduino core PSRAM code, and
Paul Stoffregen has agreed for it to be published here under the MIT
license, see https://github.com/micropython/micropython/pull/18288#issuecomment-3806784632

This addresses issue #18281.

Signed-off-by: Dryw Wade <dryw.wade@sparkfun.com>
2026-01-31 21:47:15 +11:00
Damien George
96bce47762 tests: Factor out common helper functions to separate Python module.
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The test runners have evolved over time and become more and more complex.
In particular `tests/run-tests.py` is rather large now.  The test runners
also duplicate some functionality amongst themselves.

As a start to improving this situation, this commit factors out the helper
functions from `run-tests.py` into a new `test_utils.py` file, and uses
that new module in all test runners.

There should be no functional change here.

Signed-off-by: Damien George <damien@micropython.org>
2026-01-30 17:03:08 +11:00
Angus Gratton
af76da96a3 stm32: Default to --connect-under-reset if flashing via deploy-stlink.
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(Can be overridden by setting STFLASH variable.)

Generalises the change from 6b13e6c498 to all
stm32 boards. As we're resetting the target to flash it anyway, it
shouldn't hurt to put the target into reset before trying to connect.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2026-01-29 09:18:09 +11:00
Andrew Leech
be15be3ab5 docs/mimxrt: Add docs for mimxrt.Flash.
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This adds docs for the `mimxrt` module and the `mimxrt.Flash` class, the
implementation for which was first added in
dfd4324eb1

The docs are simple, following the conventions used for similar classes in
the rp2 and stm32 ports.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-27 13:47:08 +11:00
Damien George
1b2f6e3d1f mimxrt: Increase resolution of RTC to 1/32768 seconds.
Currently the mimxrt port has a resolution of only 1 second for
`machine.RTC().datetime()` and `time.time_ns()`.  This means (among other
things) that it fails the `tests/extmod/time_time_ns.py` test, which
requires requires at least 5ms of resolution.

The underlying RTC hardware is just a 64-bit counter, and the HAL functions
`SNVS_LP_SRTC_GetDatetime()` and `SNVS_LP_SRTC_SetDatetime()` do
conversions between y/m/d/h/m/s and this 64-bit value, which counts at a
rate of 32kHz.

This commit changes the RTC code to access the 64-bit counter directly and
therefore improve resolution of all RTC functions to 1/32768 seconds.

That makes things much simpler because it a lot of places the code wants to
know the number of seconds since the Epoch.  Currently it uses a
combination of `SNVS_LP_SRTC_GetDatetime()` and
`timeutils_seconds_since_epoch()` which converts the 64-bit counter to
date-time and then back to seconds.  Those operations are computationally
expensive.

With this commit, getting the number of seconds since the Epoch is as
simple as reading the 64-bit counter and dividing by 32768.  We can
leverage a lot of the timeutils functions to simplify everything, and make
it similar to other ports like rp2.

Benefits of this change:
- simpler, more efficient code to get/set RTC
- `machine.RTC().datetime()` now has a non-zero value in the last slot,
  being the number of microseconds, and has a resolution of 1/32768 seconds
- `time.time_ns()` now has a resolution of 1/32768 seconds
- the `test/extmod/time_time_ns.py` test now passes

Signed-off-by: Damien George <damien@micropython.org>
2026-01-27 13:35:23 +11:00
Algy Tynan
af88d65e86 mimxrt: Add ALT11 pin mode support for MIMXRT1176.
This adds support for the ALT11 alternate function mode on MIMXRT1176
MCUs, enabling FLEXPWM channels on GPIO_AD pins that were previously
unavailable for PWM use.

Changes:
- Add PIN_AF_MODE_ALT11 enum to pin.h
- Add ALT11 column to MIMXRT1176_af.csv with FLEXPWM mappings
- Enables FLEXPWM1-4 on GPIO_AD_06 through GPIO_AD_21

This change only affects MIMXRT1176-based boards (MIMXRT1170_EVK and
PHYBOARD_RT1170). Other MIMXRT family chips use alternate function
modes ALT0-ALT9 and are not affected.

Tested on MIMXRT1176 hardware with PWM output on GPIO_AD_14
(FLEXPWM3_PWM0_X).

Signed-off-by: Algy Tynan <algy@tynan.io>
2026-01-27 13:29:55 +11:00
Andrew Leech
77e62f627a mimxrt/eth: Improve Dual Ethernet configuration.
Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-27 13:13:12 +11:00
Andrew Leech
5021137f32 mimxrt/boards/MIMXRT1170_EVK: Remove obsolete pin defines.
The definitions from pins.csv are used directly in mimxrt/eth.c

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-27 13:13:12 +11:00
Andrew Leech
2a5a8cc16e mimxrt/eth: Add DP83867 PHY driver support.
Adds new PHY driver for TI DP83867 Gigabit Ethernet PHY.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>
2026-01-27 13:13:12 +11:00
Alon Bar-Lev
2b07661ee6 mimxrt/machine_adc: Support ADC channel groups on rt117x.
The rt117x uses the LPADC peripheral which supports both A-side and B-side
channel inputs, e.g. ADC1_CH1A and ADC1_CH1B.

Previously, only `kLPADC_SampleChannelSingleEndSideA` was being used during
capture, while the pin may be in side B.  The fix in this commit detects
the side based on the pin configuration and sets `sampleChannelMode`
appropriately.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
2026-01-27 12:44:58 +11:00
Alon Bar-Lev
85e9d7596a mimxrt/machine_adc: Initialize LPADC2 for rt117x.
Pins may be on the LPADC2 peripheral.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
2026-01-27 12:41:07 +11:00
Damien George
93692caefa extmod/modmarshal: Support marshal.dumps of functions with children.
This commit adds support to the `marshal` module to be able to dump
functions that have child functions.  For example:

    import marshal

    def f():
        def child():
            return 1
        return child

    marshal.dumps(f.__code__)

It also covers the case of marshalling functions that use list
comprehensions, because a list comprehension uses a child function.

This is made possible by the newly enhanced
`mp_raw_code_save_fun_to_bytes()` that can now handle nested functions.

Unmarshalling via `marshal.loads()` already supports nested functions
because it uses the standard `mp_raw_code_load_mem()` function which is
used to import mpy files (and hence can handle all possibilities).

Signed-off-by: Damien George <damien@micropython.org>
2026-01-27 01:20:36 +11:00
Damien George
878f8004fd py/objfun: Support __code__ on functions with children.
If a function has children then the code object returned from __code__ must
contain an `mp_raw_code_t` (actually `mp_raw_code_truncated_t` is enough)
that points to the child table.

Signed-off-by: Damien George <damien@micropython.org>
2026-01-27 01:20:36 +11:00
Damien George
384cc627bc py/persistentcode: Support saving functions with children.
This adds support to `mp_raw_code_save_fun_to_bytes()` so that it can
handle saving functions that have children.  It does this by inspecting
the MP_BC_MAKE_FUNCTION/etc opcodes to work out how many children there
are, and creating a tree of simplified raw code information.

Signed-off-by: Damien George <damien@micropython.org>
2026-01-27 01:20:36 +11:00
Damien George
03f50d39da py/mpconfig: Enable MICROPY_PY_FUNCTION_ATTRS_CODE when marshal enabled.
In case `MICROPY_PY_MARSHAL` is enabled manually.  Otherwise the marshal
module is not very usable.

Signed-off-by: Damien George <damien@micropython.org>
2026-01-27 01:20:36 +11:00