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zephyr/README: Reorder content related to recently added I2C. 

So it fits better with existing narrative.
This commit is contained in:
Paul Sokolovsky 2019-03-28 16:12:20 +02:00 committed by Damien George
parent c066dadc5b
commit b88bf42793
1 changed files with 8 additions and 8 deletions
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16
ports/zephyr/README.md
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@ -12,8 +12,8 @@ Features supported at this time:
* REPL (interactive prompt) over Zephyr UART console. * REPL (interactive prompt) over Zephyr UART console.
* `utime` module for time measurements and delays. * `utime` module for time measurements and delays.
* `machine.I2C` class for I2C control.
* `machine.Pin` class for GPIO control. * `machine.Pin` class for GPIO control.
* `machine.I2C` class for I2C control.
* `usocket` module for networking (IPv4/IPv6). * `usocket` module for networking (IPv4/IPv6).
* "Frozen modules" support to allow to bundle Python modules together * "Frozen modules" support to allow to bundle Python modules together
with firmware. Including complete applications, including with with firmware. Including complete applications, including with
@ -82,13 +82,6 @@ To blink an LED:
LED.value(0) LED.value(0)
time.sleep(0.5) time.sleep(0.5)
To scan for I2C slaves:
from machine import I2C
i2c = I2C("I2C_0")
i2c.scan()
The above code uses an LED location for a FRDM-K64F board (port B, pin 21; 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* 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 starts from 0). You will need to adjust it for another board (using board's
@ -96,6 +89,13 @@ reference materials). To execute the above sample, copy it to clipboard, in
MicroPython REPL enter "paste mode" using Ctrl+E, paste clipboard, press MicroPython REPL enter "paste mode" using Ctrl+E, paste clipboard, press
Ctrl+D to finish paste mode and start execution. Ctrl+D to finish paste mode and start execution.
Example of using I2C to scan for I2C slaves:
from machine import I2C
i2c = I2C("I2C_0")
i2c.scan()
Minimal build Minimal build
------------- -------------