From 2466cb67f831abef9425ec9c6b12cb8eeb8602b7 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Wed, 16 Mar 2016 13:37:39 +0000
Subject: [PATCH] docs/esp8266: Update quick reference: i2c.readfrom and
neopixel example.
---
docs/esp8266/quickref.rst | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/docs/esp8266/quickref.rst b/docs/esp8266/quickref.rst
index 6f5913f1c..30359cd5c 100644
--- a/docs/esp8266/quickref.rst
+++ b/docs/esp8266/quickref.rst
@@ -183,15 +183,15 @@ The I2C driver is implemented in software and works on all pins::
# construct an I2C bus
i2c = I2C(scl=Pin(5), sda=Pin(4), freq=100000)
+ i2c.readfrom(0x3a, 4) # read 4 bytes from slave device with address 0x3a
i2c.writeto(0x3a, '12') # write '12' to slave device with address 0x3a
buf = bytearray(10) # create a buffer with 10 bytes
i2c.writeto(0x3a, buf) # write the given buffer to the slave
+ i2c.readfrom(0x3a, 4, stop=False) # don't send a stop bit after reading
i2c.writeto(0x3a, buf, stop=False) # don't send a stop bit after writing
-Note that reading is not yet implemented.
-
OneWire driver
--------------
@@ -227,7 +227,7 @@ NeoPixel driver
Use the ``neopixel`` module::
from machine import Pin
- import neopixel
+ from neopixel import NeoPixel
pin = Pin(0, Pin.OUT) # set GPIO0 to output to drive NeoPixels
np = NeoPixel(pin, 8) # create NeoPixel driver on GPIO0 for 8 pixels
@@ -235,6 +235,7 @@ Use the ``neopixel`` module::
np.write() # write data to all pixels
r, g, b = np[0] # get first pixel colour
+ import neopixel
neopixel.demo(np) # run a demo
For low-level driving of a NeoPixel::
--
GitLab