From ed0a06a93fc275e4f3980b81e4e5314ed63279c6 Mon Sep 17 00:00:00 2001 From: Radomir Dopieralski Date: Sat, 27 Aug 2016 19:07:14 +0200 Subject: 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. --- docs/esp8266/quickref.rst | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'docs/esp8266') 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 -- cgit v1.2.3