Complete Example¶
examples/qwiic_micro_oled_demo.py¶
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#-----------------------------------------------------------------------------
# qwiic_micro_oled_demo.py
#
# Simple Example for the Qwiic MicroOLED Device
#------------------------------------------------------------------------
#
# Written by SparkFun Electronics, May 2019
#
# This python library supports the SparkFun Electroncis qwiic
# qwiic sensor/board ecosystem on a Raspberry Pi (and compatable) single
# board computers.
#
# More information on qwiic is at https:# www.sparkfun.com/qwiic
#
# Do you like this library? Help support SparkFun. Buy a board!
#
#==================================================================================
# Copyright (c) 2019 SparkFun Electronics
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#==================================================================================
# Example - simple command to setup the OLED.
#
from __future__ import print_function, division
import qwiic_micro_oled
import time
import sys
import math
from random import randint
#-------------------------------------------------------------------
def pixelExample(myOLED):
print("Pixels!")
lWidth = myOLED.get_lcd_width()
lHeight = myOLED.get_lcd_height()
for i in range(128):
myOLED.pixel(randint(0, lWidth), randint(0, lHeight))
myOLED.display()
myOLED.clear(myOLED.PAGE)
#-------------------------------------------------------------------
def lineExample(myOLED):
middleX = myOLED.get_lcd_width() // 2
middleY = myOLED.get_lcd_height() // 2
lineWidth = min(middleX, middleY)
print("Lines!")
for i in range(2):
for deg in range(0, 360, 15):
xEnd = lineWidth * math.cos(deg * math.pi / 180.0)
yEnd = lineWidth * math.sin(deg * math.pi / 180.0)
myOLED.line(middleX, middleY, middleX + xEnd, middleY + yEnd)
myOLED.display()
time.sleep(.05)
for deg in range(0, 360, 15):
xEnd = lineWidth * math.cos(deg * math.pi / 180.0)
yEnd = lineWidth * math.sin(deg * math.pi / 180.0)
myOLED.line(middleX, middleY, middleX + xEnd, middleY + yEnd, myOLED.BLACK, myOLED.NORM)
myOLED.display()
time.sleep(.05)
#-------------------------------------------------------------------
def shapeExample(myOLED):
print("Shapes!")
# Silly pong demo. It takes a lot of work to fake pong...
paddleW = 3 # Paddle width
paddleH = 15 # Paddle height
lWidth = myOLED.get_lcd_width()
lHeight = myOLED.get_lcd_height()
# Paddle 0 (left) position coordinates
paddle0_Y = (lHeight // 2) - (paddleH // 2)
paddle0_X = 2
# Paddle 1 (right) position coordinates
paddle1_Y = (lHeight // 2) - (paddleH // 2)
paddle1_X = lWidth - 3 - paddleW
ball_rad = 2 #Ball radius
# // Ball position coordinates
ball_X = paddle0_X + paddleW + ball_rad
ball_Y = randint(1 + ball_rad, lHeight - ball_rad) #paddle0_Y + ball_rad
ballVelocityX = 1 # Ball left/right velocity
ballVelocityY = 1 # Ball up/down velocity
paddle0Velocity = -1 # Paddle 0 velocity
paddle1Velocity = 1 # Paddle 1 velocity
while (ball_X - ball_rad > 1) and (ball_X + ball_rad < lWidth - 2):
# // Increment ball's position
ball_X += ballVelocityX
ball_Y += ballVelocityY
# // Check if the ball is colliding with the left paddle
if ball_X - ball_rad < paddle0_X + paddleW:
# // Check if ball is within paddle's height
if (ball_Y > paddle0_Y) and (ball_Y < paddle0_Y + paddleH):
ball_X +=1 # Move ball over one to the right
ballVelocityX = -ballVelocityX # Change velocity
# Check if the ball hit the right paddle
if ball_X + ball_rad > paddle1_X:
# Check if ball is within paddle's height
if (ball_Y > paddle1_Y) and (ball_Y < paddle1_Y + paddleH):
ball_X -= 1 # Move ball over one to the left
ballVelocityX = -ballVelocityX # change velocity
# // Check if the ball hit the top or bottom
if (ball_Y <= ball_rad) or (ball_Y >= (lHeight - ball_rad - 1)):
# Change up/down velocity direction
ballVelocityY = -ballVelocityY
# // Move the paddles up and down
paddle0_Y += paddle0Velocity
paddle1_Y += paddle1Velocity
# // Change paddle 0's direction if it hit top/bottom
if (paddle0_Y <= 1) or (paddle0_Y > lHeight - 2 - paddleH):
paddle0Velocity = -paddle0Velocity
# // Change paddle 1's direction if it hit top/bottom
if (paddle1_Y <= 1) or (paddle1_Y > lHeight - 2 - paddleH):
paddle1Velocity = -paddle1Velocity
# Draw the Pong Field
myOLED.clear(myOLED.PAGE) # Clear the page
# Draw an outline of the screen:
myOLED.rect(0, 0, lWidth - 1, lHeight)
# Draw the center line
myOLED.rect_fill(lWidth//2 - 1, 0, 2, lHeight)
# Draw the Paddles:
myOLED.rect_fill(paddle0_X, paddle0_Y, paddleW, paddleH)
myOLED.rect_fill(paddle1_X, paddle1_Y, paddleW, paddleH)
# # Draw the ball:
myOLED.circle(ball_X, ball_Y, ball_rad)
# Actually draw everything on the screen:
myOLED.display()
time.sleep(.01) # Delay for visibility
time.sleep(.2)
#-------------------------------------------------------------------
def textExamples(myOLED):
print("Text!")
# Demonstrate font 0. 5x8 font
myOLED.clear(myOLED.PAGE) # Clear the screen
myOLED.set_font_type(0) # Set font to type 0
myOLED.set_cursor(0, 0) # Set cursor to top-left
# There are 255 possible characters in the font 0 type.
# Lets run through all of them and print them out!
for i in range(256):
# You can write byte values and they'll be mapped to
# their ASCII equivalent character.
myOLED.write(i) # Write a byte out as a character
myOLED.display() # Draw on the screen
# time.sleep(.05)
# We can only display 60 font 0 characters at a time.
# Every 60 characters, pause for a moment. Then clear
# the page and start over.
if (i%60 == 0) and (i != 0):
time.sleep(.1)
myOLED.clear(myOLED.PAGE) # Clear the page
myOLED.set_cursor(0, 0) # Set cursor to top-left
time.sleep(.5) # Wait 500ms before next example
# Demonstrate font 1. 8x16. Let's use the print function
# to display every character defined in this font.
myOLED.set_font_type(1) # Set font to type 1
myOLED.clear(myOLED.PAGE) # Clear the page
myOLED.set_cursor(0, 0) # Set cursor to top-left
# Print can be used to print a string to the screen:
myOLED.print(" !\"#$%&'()*+,-./01234")
myOLED.display() # Refresh the display
time.sleep(1)
myOLED.clear(myOLED.PAGE)
myOLED.set_cursor(0, 0)
myOLED.print("56789:<=>?@ABCDEFGHI")
myOLED.display()
time.sleep(1)
myOLED.clear(myOLED.PAGE)
myOLED.set_cursor(0, 0)
myOLED.print("JKLMNOPQRSTUVWXYZ[\\]^")
myOLED.display()
time.sleep(1)
myOLED.clear(myOLED.PAGE)
myOLED.set_cursor(0, 0)
myOLED.print("_`abcdefghijklmnopqrs")
myOLED.display()
time.sleep(1)
myOLED.clear(myOLED.PAGE)
myOLED.set_cursor(0, 0)
myOLED.print("tuvwxyz{|}~")
myOLED.display()
time.sleep(1)
# Demonstrate font 2. 10x16. Only numbers and '.' are defined.
# This font looks like 7-segment displays.
# Lets use this big-ish font to display readings from the
# analog pins.
for i in range(25):
myOLED.clear(myOLED.PAGE) # Clear the display
myOLED.set_cursor(0, 0) # Set cursor to top-left
myOLED.set_font_type(0) # Smallest font
myOLED.print("A0: ") # Print "A0"
myOLED.set_font_type(2) # 7-segment font
myOLED.print("%.3d" % randint(0,255))
myOLED.set_cursor(0, 16) # Set cursor to top-middle-left
myOLED.set_font_type(0) # Repeat
myOLED.print("A1: ")
myOLED.set_font_type(2)
myOLED.print("%.3d" % randint(0,255))
myOLED.set_cursor(0, 32)
myOLED.set_font_type(0)
myOLED.print("A2: ")
myOLED.set_font_type(2)
myOLED.print("%.3d" % randint(0,255))
myOLED.display()
time.sleep(.1)
# Demonstrate font 3. 12x48. Stopwatch demo.
myOLED.set_font_type(3) # Use the biggest font
ms = 0
s = 0
while s <= 5:
myOLED.clear(myOLED.PAGE) # Clear the display
myOLED.set_cursor(0, 0) # Set cursor to top-left
if s < 10:
myOLED.print("00") # Print "00" if s is 1 digit
elif s < 100:
myOLED.print("0") # Print "0" if s is 2 digits
myOLED.print(s) # Print s's value
myOLED.print(":") # Print ":"
myOLED.print(ms) # Print ms value
myOLED.display() # Draw on the screen
ms +=1 # Increment ms
if ms >= 10 : #If ms is >= 10
ms = 0 # Set ms back to 0
s +=1 # and increment s
# Demonstrate font 4. 31x48. Let's use the print function
# to display some characters defined in this font.
myOLED.set_font_type(4) # Set font to type 4
myOLED.clear(myOLED.PAGE) #Clear the page
myOLED.set_cursor(0, 0) #Set cursor to top-left
# Print can be used to print a string to the screen:
myOLED.print("OL")
myOLED.display() # Refresh the display
time.sleep(1)
myOLED.clear(myOLED.PAGE)
myOLED.set_cursor(0, 0)
myOLED.print("ED")
myOLED.display()
time.sleep(1)
myOLED.set_font_type(1)
myOLED.clear(myOLED.PAGE)
myOLED.set_cursor(0, 0)
myOLED.print("DONE!")
myOLED.display()
time.sleep(1)
#-------------------------------------------------------------------
def runExample():
# These three lines of code are all you need to initialize the
# OLED and print the splash screen.
# Before you can start using the OLED, call begin() to init
# all of the pins and configure the OLED.
print("\nSparkFun Micro OLED Everything Example\n")
myOLED = qwiic_micro_oled.QwiicMicroOled()
if not myOLED.connected:
print("The Qwiic Micro OLED device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myOLED.begin()
# clear(ALL) will clear out the OLED's graphic memory.
# clear(PAGE) will clear the Arduino's display buffer.
myOLED.clear(myOLED.ALL) # Clear the display's memory (gets rid of artifacts)
# To actually draw anything on the display, you must call the
# display() function.
myOLED.display()
time.sleep(1)
myOLED.clear(myOLED.PAGE)
print("-"*30)
pixelExample(myOLED)
print("-"*30)
lineExample(myOLED)
print("-"*30)
shapeExample(myOLED)
print("-"*30)
textExamples(myOLED)
print("-"*30)
print("DONE")
#-------------------------------------------------------------------
if __name__ == '__main__':
try:
runExample()
except (KeyboardInterrupt, SystemExit) as exErr:
print("\nEnding OLED Everything Example")
sys.exit(0)
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