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authorRadomir Dopieralski <openstack@sheep.art.pl>2016-08-27 19:07:14 +0200
committerDamien George <damien.p.george@gmail.com>2016-08-28 23:14:45 +1000
commited0a06a93fc275e4f3980b81e4e5314ed63279c6 (patch)
tree9cbb2acb5b07ae1c2da8fd96bde261c74822de00 /docs/esp8266
parent263aaa70302aa60d0338abbe439be2a77eb49a52 (diff)
downloadmicropython-ed0a06a93fc275e4f3980b81e4e5314ed63279c6.tar.gz
micropython-ed0a06a93fc275e4f3980b81e4e5314ed63279c6.zip
docs/esp8266/quickref: Fix and update the SPI docs
Use the `SPI` factory function in the examples, and use proper baud rate of 80 000 000.
Diffstat (limited to 'docs/esp8266')
-rw-r--r--docs/esp8266/quickref.rst10
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/esp8266/quickref.rst b/docs/esp8266/quickref.rst
index be58f9332c..d8ec603727 100644
--- a/docs/esp8266/quickref.rst
+++ b/docs/esp8266/quickref.rst
@@ -165,14 +165,14 @@ Use the ``machine.ADC`` class::
SPI bus
-------
-The SPI driver is implemented in software and works on all pins::
+There are two SPI drivers. One is implemented in software and works on all pins::
from machine import Pin, SPI
# construct an SPI bus on the given pins
# polarity is the idle state of SCK
# phase=0 means sample on the first edge of SCK, phase=1 means the second
- spi = SPI(baudrate=100000, polarity=1, phase=0, sck=Pin(0), mosi=Pin(2), miso=Pin(4))
+ spi = SPI(-1, baudrate=100000, polarity=1, phase=0, sck=Pin(0), mosi=Pin(2), miso=Pin(4))
spi.init(baudrate=200000) # set the baudrate
@@ -194,13 +194,13 @@ Hardware SPI
------------
The hardware SPI is faster (up to 80Mhz), but only works on following pins:
-``MISO`` is gpio2, ``MOSI`` is gpio13, and ``SCK`` is gpio14. It has the same
+``MISO`` is gpio12, ``MOSI`` is gpio13, and ``SCK`` is gpio14. It has the same
methods as SPI, except for the pin parameters for the constructor and init
(as those are fixed).
- from machine import Pin, HSPI
+ from machine import Pin, SPI
- hspi = HSPI(baudrate=800000000, polarity=0, phase=0)
+ hspi = SPI(0, baudrate=80000000, polarity=0, phase=0)
I2C bus