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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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The following simple usocket example throws an error EINVAL on connect
import usocket
s = usocket.socket()
s.connect(usocket.getaddrinfo('www.micropython.org', 80)[0][-1])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
OSError: [Errno 22] EINVAL
Fixing the context parameter in calls of net_context_get_family() and
net_context_get_type(), the connect works fine.
Tested on a nucleo_h743zi board.
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Refactors the zephyr build infrastructure to build MicroPython as a
cmake target, using the recently introduced core cmake rules.
This change makes it possible to build the zephyr port like most other
zephyr applications using west or cmake directly. It simplifies building
with extra cmake arguments, such as specifying an alternate conf file or
adding an Arduino shield. It also enables building the zephyr port
anywhere in the host file system, which will allow regressing across
multiple boards with the zephyr twister script.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Removes zephyr port build files that aren't being used anymore.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Disables frozen source modules in the zephyr port. They are deprecated
in the makefile rules and not implemented in the new cmake rules.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Updates the zephyr port build instructions and CI to use the latest
zephyr release tag.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Signed-off-by: Damien George <damien@micropython.org>
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Currently supports only polling read and write.
Signed-off-by: Yonatan Schachter <yonatan.schachter@gmail.com>
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To reduce binary code size when not using I2C.
Signed-off-by: Jonathan Bruchim <yonbruchim@gmail.com>
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The zephyr function net_shell_cmd_iface() was removed in zephyr v1.14.0,
therefore the MicroPython zephyr port did not build with newer zephyr
versions when CONFIG_NET_SHELL=y. Replace with a more general
shell_exec() function that can execute any zephyr shell command. For
example:
>>> zephyr.shell_exec("net")
Subcommands:
allocs :Print network memory allocations.
arp :Print information about IPv4 ARP cache.
conn :Print information about network connections.
dns :Show how DNS is configured.
events :Monitor network management events.
gptp :Print information about gPTP support.
iface :Print information about network interfaces.
ipv6 :Print information about IPv6 specific information and
configuration.
mem :Print information about network memory usage.
nbr :Print neighbor information.
ping :Ping a network host.
pkt :net_pkt information.
ppp :PPP information.
resume :Resume a network interface
route :Show network route.
stacks :Show network stacks information.
stats :Show network statistics.
suspend :Suspend a network interface
tcp :Connect/send/close TCP connection.
vlan :Show VLAN information.
websocket :Print information about WebSocket connections.
>>> zephyr.shell_exec("kernel")
kernel - Kernel commands
Subcommands:
cycles :Kernel cycles.
reboot :Reboot.
stacks :List threads stack usage.
threads :List kernel threads.
uptime :Kernel uptime.
version :Kernel version.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Hardware I2C implementations must provide a .init() protocol method if they
want to support reconfiguration. Otherwise the default is that i2c.init()
raises an OSError (currently the case for all ports).
mp_machine_soft_i2c_locals_dict is renamed to mp_machine_i2c_locals_dict to
match the generic SPI bindings.
Fixes issue #6623 (where calling .init() on a HW I2C would crash).
Signed-off-by: Damien George <damien@micropython.org>
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With a warning that this way of constructing software I2C/SPI is
deprecated. The check and warning will be removed in a future release.
This should help existing code to migrate to the new SoftI2C/SoftSPI types.
Signed-off-by: Damien George <damien@micropython.org>
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Previous commits removed the ability for one I2C/SPI constructor to
construct both software- or hardware-based peripheral instances. Such
construction is now split to explicit soft and non-soft types.
This commit makes both types available in all ports that previously could
create both software and hardware peripherals: machine.I2C and machine.SPI
construct hardware instances, while machine.SoftI2C and machine.SoftSPI
create software instances.
This is a breaking change for use of software-based I2C and SPI. Code that
constructed I2C/SPI peripherals in the following way will need to be
changed:
machine.I2C(-1, ...) -> machine.SoftI2C(...)
machine.I2C(scl=scl, sda=sda) -> machine.SoftI2C(scl=scl, sda=sda)
machine.SPI(-1, ...) -> machine.SoftSPI(...)
machine.SPI(sck=sck, mosi=mosi, miso=miso)
-> machine.SoftSPI(sck=sck, mosi=mosi, miso=miso)
Code which uses machine.I2C and machine.SPI classes to access hardware
peripherals does not need to change.
Signed-off-by: Damien George <damien@micropython.org>
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The SoftI2C constructor is now used soley to create SoftI2C instances, it
can no longer delegate to create a hardware-based I2C instance.
Signed-off-by: Damien George <damien@micropython.org>
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Also rename machine_i2c_type to mp_machine_soft_i2c_type. These changes
make it clear that it's a soft-I2C implementation, and match SoftSPI.
Signed-off-by: Damien George <damien@micropython.org>
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Updates the zephyr port build instructions to use the latest zephyr
release tag.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Zephyr v2.4.0 added a const qualifier to usages of struct device to
allow storing device driver instances exclusively in flash and thereby
reduce ram footprint.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Zephyr v2.4.0 stopped using custom integer types in favor of C99 types
instead.
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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mp_irq_init() is useful when the IRQ object is allocated by the caller.
The mp_irq_methods_t.init method is not used anywhere so has been removed.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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This should return a 64-bit value being the number of nanoseconds since
1970/1/1.
Signed-off-by: Damien George <damien@micropython.org>
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Include storage/flash_map.h unconditionally so we always have access to the
FLASH_AREA_LABEL_EXISTS macro, even if CONFIG_FLASH_MAP is not defined.
This fixes a build error for the qemu_x86 board:
main.c:108:63: error: missing binary operator before token "("
108 | #elif defined(CONFIG_FLASH_MAP) && FLASH_AREA_LABEL_EXISTS(storage)
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../../py/mkrules.mk:88: recipe for target 'build/genhdr/qstr.i.last' failed
Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
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Signed-off-by: Damien George <damien@micropython.org>
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Supports hard and soft interrupts. In the current implementation, soft
interrupt callbacks will only be called when the VM is executing, ie they
will not be called during a blocking kernel call like k_msleep. And the
behaviour of hard interrupt callbacks will depend on the underlying device,
as well as the amount of ISR stack space.
Soft and hard interrupts tested on frdm_k64f and nucleo_f767zi boards.
Signed-off-by: Damien George <damien@micropython.org>
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Updates the zephyr port to use the ZEPHYR_BASE environment variable only to
locate the zephyr cmake package, allowing cmake to cache the variable.
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The minimum required cmake version has been 3.13.1 since zephyr 1.14.0.
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Converts DT_FLASH_AREA usages in the zephyr port to new device tree macros
introduced in zephyr 2.3.
Tested with littlefs on the reel_board.
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Updates the zephyr port to use the new timeout api introduced in zephyr
2.3.
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Updates the zephyr port to use refactored device structures introduced in
zephyr 2.3.
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Zephyr renamed CONFIG_FLOAT to CONFIG_FPU to better reflect its semantics
of enabling the hardware floating point unit (FPU) rather than enabling
toolchain-level floating point support (i.e., software floating point for
FPU-less socs).
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Zephyr deprecated and then removed its stack_analyze function because it
was unsafe. Use the new zephyr thread analyzer instead and rename the
MicroPython function to zephyr.thread_analyze() to be more consistent with
the implementation.
Tested on mimxrt1050_evk.
The output now looks like this:
>>> zephyr.thread_analyze()
Thread analyze:
80004ff4 : unused 400 usage 112 / 512 (21 %)
rx_workq : unused 1320 usage 180 / 1500 (12 %)
tx_workq : unused 992 usage 208 / 1200 (17 %)
net_mgmt : unused 656 usage 112 / 768 (14 %)
sysworkq : unused 564 usage 460 / 1024 (44 %)
idle : unused 256 usage 64 / 320 (20 %)
main : unused 2952 usage 1784 / 4736 (37 %)
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The zephyr build system supports merging application-level board
configurations, so there is no need to reproduce this functionality in
MicroPython.
If CONF_FILE is not explicitly set, then the zephyr build system looks for
prj.conf in the application directory. Therefore we rename the MicroPython
prj_base.conf to prj.conf.
Furthermore, if the zephyr build system finds boards/$(BOARD).conf in the
application directory, it merges that configuration with prj.conf.
Therefore we rename all the MicroPython board .conf files and move them
into a boards/ directory.
The minimal configuration, prj_minimal.conf, is left in the application
directory because it is used as an explicitly set CONF_FILE in
make-minimal.
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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.
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Zephyr v2.2 reworked its gpio api to support linux device tree bindings and
pin logical levels. This commit updates the zephyr port's machine.Pin
class to replace the deprecated gpio api calls with the new supported gpio
api. This resolves several build warnings.
Tested on frdm_k64f and mimxrt1050_evk boards.
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Adds support in the zephyr port to execute main.py if the file system is
enabled and the file exists. Existing support for executing a main.py
frozen module is preserved, since pyexec_file_if_exists() works just
like pyexec_frozen_module() if there's no vfs.
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Enables the zephyr usb device stack and mass storage class on the
mimxrt1050_evk board. The mass storage class is backed by the sdhc disk
access driver, so it's now possible to browse and modify the contents of
the SD card from a USB host (your PC). This is in preparation to support
writing a main.py script to the SD card, and then executing it after the
next reset.
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Adds support in the zephyr port to mount a file system if a block device
(sdhc disk access or flash area) is available. The mount point is either
"/sd" or "/flash" depending on the type of block device.
Tested with an sdhc disk access block device and fatfs on the
mimxrt1050_evk board.
Tested with a flash area block device and littlefs on the reel_board.
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This is run with uncrustify 0.70.1, and black 19.10b0.
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Enables the littlefs (v1 and v2) filesystems in the zephyr port.
Example usage with the internal flash on the reel_board or the
rv32m1_vega_ri5cy board:
import os
from zephyr import FlashArea
bdev = FlashArea(FlashArea.STORAGE, 4096)
os.VfsLfs2.mkfs(bdev)
os.mount(bdev, '/flash')
with open('/flash/hello.txt','w') as f:
f.write('Hello world')
print(open('/flash/hello.txt').read())
Things get a little trickier with the frdm_k64f due to the micropython
application spilling into the default flash storage partition defined
for this board. The zephyr build system doesn't enforce the flash
partitioning when mcuboot is not enabled (which it is not for
micropython). For now we can demonstrate that the littlefs filesystem
works on frdm_k64f by constructing the FlashArea block device on the
mcuboot scratch partition instead of the storage partition. Do this by
replacing the FlashArea.STORAGE constant above with the value 4.
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Introduces a new zephyr.FlashArea class that uses the zephyr flash map
api to implement the uos.AbstractBlockDev protocol. The flash driver is
enabled on the frdm_k64f board, reel_board, and rv32m1_vega_ri5cy board.
The standard and extended block device protocols are both supported,
therefore this class can be used with file systems like littlefs which
require the extended interface.
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Enables the fatfs filesystem in the zephyr port.
Example usage with an SD card on the mimxrt1050_evk board:
import zephyr, os
bdev = zephyr.DiskAccess('SDHC')
os.VfsFat.mkfs(bdev)
os.mount(bdev, '/sd')
with open('/sd/hello.txt','w') as f:
f.write('Hello world')
print(open('/sd/hello.txt').read())
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Enables the virtual file system and uos module in the zephyr port.
No concrete file system implementations are enabled yet.
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Introduces a new zephyr.DiskAccess class that uses the zephyr disk
access api to implement the uos.AbstractBlockDev protocol. This can be
used with any type of zephyr disk access driver, which currently
includes SDHC, RAM, and FLASH implementations. The SDHC driver is
enabled on the mimxrt1050_evk board.
Only the standard block device protocol (without the offset parameter)
can be supported with the zephyr disk access api, therefore this class
cannot be used with file systems like littlefs which require the
extended interface. In the future it may be possible to implement the
extended interface in a new class using the zephyr flash api.
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Zephyr removed the build target syscall_macros_h_target in commit
f4adf107f31674eb20881531900ff092cc40c07f. Removes reference from
MicroPython to fix build errors in the zephyr port.
This change is not compatible with zephyr v2.1 or earlier. It will be
compatible with Zephyr v2.2 when released.
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The SYS_CLOCK_HW_CYCLES_TO_NS macro was deprecated in zephyr commit
8892406c1de21bd5de5877f39099e3663a5f3af1. This commit updates MicroPython
to use the new k_cyc_to_ns_floor64 api and fix build warnings in the zephyr
port.
This change is compatible with Zephyr v2.1 and later.
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Zephyr restructured its includes in v2.0 and removed compatibility shims
after two releases in commit 1342dadc365ee22199e51779185899ddf7478686.
Updates include paths in MicroPython accordingly to fix build errors in
the zephyr port.
These changes are compatible with Zephyr v2.0 and later.
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The MP_STATE_THREAD(stack_top) is always available so use it instead of
creating a separate variable. This also allows gc_collect() to be used as
an independent function, without real_main() being called.
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