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changeset 52:65374c79d8ff

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FIx i2c in oled shields
author Radomir Dopieralski <sheep-devel@sheep.art.pl>
date Mon, 10 Jul 2017 14:42:27 +0200
parents 9b344c729142
children ffd7871811f2 f749ec2ab894
files shields.rst
diffstat 1 files changed, 5 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/shields.rst	Fri Jul 07 19:38:07 2017 +0200
+++ b/shields.rst	Mon Jul 10 14:42:27 2017 +0200
@@ -96,7 +96,7 @@
 
     import ssd1306
     from machine import I2C, Pin
-    i2c = I2C(Pin(5), Pin(4))
+    i2c = I2C(-1, Pin(5), Pin(4))
     display = ssd1306.SSD1306_I2C(64, 48, i2c)
     display.fill(0)
     display.text("Hello world!")
@@ -120,7 +120,7 @@
 
     import d1motor
     from machine import I2C, Pin
-    i2c = I2C(Pin(5), Pin(4), freq=10000)
+    i2c = I2C(-1, Pin(5), Pin(4), freq=10000)
     m0 = d1motor.Motor(0, i2c)
     m1 = d1motor.Motor(1, i2c)
     m0.speed(5000)
@@ -175,7 +175,7 @@
 
     from servo import Servos
     from machine import I2C, Pin
-    i2c = I2C(Pin(5), Pin(4))
+    i2c = I2C(-1, Pin(5), Pin(4))
     servos = Servos(i2c)
     servos.position(0, degrees=45)
 
@@ -190,12 +190,11 @@
 
     from machine import Pin, SPI
     import st7735
-    from rgb import DummyPin
 
-    display = st7735.ST7735(SPI(1), dc=Pin(12), cs=DummyPin(), rst=Pin(15))
+    display = st7735.ST7735(SPI(1), dc=Pin(12), cs=None, rst=Pin(15))
     display.fill(0x7521)
     display.pixel(64, 64, 0)
 
 If you have a display with a red tab, you need to use a different initialization::
 
-    display = st7735.ST7735R(SPI(1, baudrate=40000000), dc=Pin(12), cs=DommyPin(), rst=Pin(15))
+    display = st7735.ST7735R(SPI(1, baudrate=40000000), dc=Pin(12), cs=None, rst=Pin(15))