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This is an archived project. Repository and other project resources are read-only.
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micropython
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aee64835
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aee64835
authored
8 years ago
by
Paul Sokolovsky
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zephyr/README: Update for the current featureset, add more info.
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@@ -6,12 +6,20 @@ This is an initial port of MicroPython to Zephyr RTOS
...
@@ -6,12 +6,20 @@ This is an initial port of MicroPython to Zephyr RTOS
The port integrates well with Zephyr build system, using the latest
The port integrates well with Zephyr build system, using the latest
features which will be available in 1.6.0, and thus requires Zephyr
features which will be available in 1.6.0, and thus requires Zephyr
master to build against. All boards supported by Zephyr should be
master to build against. All boards supported by Zephyr (with standard
supported (but not all were tested).
level of feature support, like UART console) should work with
MicroPython (but not all were tested).
At this time, only basic interactive prompt (REPL) over UART connection
Features supported at this time:
is supported. Over time, bindings for various Zephyr subsystems may
be added.
*
REPL (interactive prompt) over Zephyr UART console.
*
`utime`
module for time measurements and delays.
*
`machine.Pin`
class for GPIO control.
*
"Frozen modules" support to allow to bundle Python modules together
with firmware. Including complete applications, including with
run-on-boot capability.
Over time, bindings for various Zephyr subsystems may be added.
Building
Building
...
@@ -36,10 +44,33 @@ supported boards.
...
@@ -36,10 +44,33 @@ supported boards.
Running
Running
-------
-------
To run the resulting
application
in QEMU (for BOARDs like qemu_x86,
To run the resulting
firmware
in QEMU (for BOARDs like qemu_x86,
qemu_cortex_m3):
qemu_cortex_m3):
make qemu
make qemu
For deploying/flashing
the application
on a real board, follow Zephyr
For deploying/flashing
a firmware
on a real board, follow Zephyr
documentation for a given board.
documentation for a given board.
Quick example
-------------
To blink an LED:
import time
from machine import Pin
LED = Pin(("GPIO_1", 21), Pin.OUT)
while True:
LED.value(1)
time.sleep(0.5)
LED.value(0)
time.sleep(0.5)
The above code uses an LED location for a FRDM-K64F board (port B, pin 21;
following Zephyr conventions port are identified by "GPIO_x", where
*x*
starts from 0). You will need to adjust it for another board (using board's
reference materials). To execute the above sample, copy it to clipboard, in
MicroPython REPL enter "paste mode" using Ctrl+E, paste clipboard, press
Ctrl+D to finish paste mode and start execution.
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