# Lap Swimmer, an example program for the Finch
# Tell the Finch how many laps to do, set it down on the ground
# Finch goes forward until it sees an obstacle
# Then goes back the same distance. It'll then repeat this lap as many times
# as the user requested
from lib.finch import Finch
from time import sleep, time
# Main function for the lap swimmer example program
finch = Finch() # Initialize the finch
finch.led(255, 255, 0)
laps = 0
# Get the number of laps Finch will swim:
while laps <= 0:
laps = int(input('Enter number of laps: '))
if laps < 0:
print('Cannot swim a negative number of laps!')
elif laps == 0:
print('Zero laps? I want to swim!')
# Move forward until an obstacle is present and measure the time:
start = time()
finch.wheels(0.5, 0.5)
sleep(0.1)
# A simple program that wanders and avoids obstacles
from lib.finch import Finch
from time import sleep
# Instantiate the Finch object and connect to Finch
tweety = Finch()
# Get the Z-Axis acceleration
zAccel = tweety.acceleration()[2]
# Do the following while the Finch is not upside down (z value in gees above -0.7)
while zAccel > -0.7:
left_obstacle, right_obstacle = tweety.obstacle()
# If there's an obstacle on the left, back up and arc
if left_obstacle:
tweety.led(255,0,0)
tweety.wheels(-0.3,-1.0)
sleep(1.0)
# Back up and arc in the opposite direction if there's something on the right
elif right_obstacle:
tweety.led(255,255,0)
tweety.wheels(-1.0, -0.3)
sleep(1.0)
# Else just go straight
else:
tweety.wheels(1.0, 1.0)
tweety.led(0,255,0)
# Keep reading in the Z acceleration
zAccel = tweety.acceleration()[2]
# A simple Finch dance in Python
from lib.finch import Finch
from time import sleep
print("Finch's First Python program.")
# Instantiate the Finch object
snakyFinch = Finch()
# Do a six step dance
snakyFinch.led(255,0,0)
snakyFinch.wheels(1,1)
sleep(1)
snakyFinch.led(0,255,0)
snakyFinch.wheels(0,1)
sleep(1)
snakyFinch.led(0,0,255)
snakyFinch.wheels(1,0)
sleep(1)
snakyFinch.led(255,0,255)
snakyFinch.wheels(-1,-1)
sleep(0.5)
snakyFinch.led(0,255,255)
snakyFinch.wheels(0.2,-1)
sleep(1)
# Car alarm
# The finch sounds an alarm, alternating high pitch sounds and
# flashing red abd blue lights, until its nose is turned up
from time import sleep
from lib.finch import Finch
finch = Finch()
x = 0
while x > -0.5:
x, y, z, tap, shake = finch.acceleration()
finch.led("#FF0000") # set the led to red
finch.buzzer(1.0, 250)
sleep(1.05)
finch.led("#0000FF") # set the led to blue
finch.buzzer(1.0, 400)
sleep(1.05)
finch.halt()
finch.close()
# Race track driver, an example program for the Finch # Watch the Finch navigate a square race track from lib.finch import Finch from time import sleep #Main function for the race track driver example program.""" #Initialize the finch finch = Finch() #Set both wheels to one-half forward throttle for 1.5s finch.wheels(0.5,0.5) finch.led(0, 255, 255) sleep(1.5) # Now set the left wheel at half throttle, right wheel off to turn finch.wheels(0.5,0) finch.led(0, 255, 0) sleep(1.28) finch.wheels(0.5,0.5) finch.led(0, 255, 255) sleep(1.5) finch.wheels(0.5,0) finch.led(0, 255, 0) sleep(1.28)
# A simple program that randomly changes the LED when the Finch is tapped or shaken
# Try it by setting the Finch on a table and tapping the top
from lib.finch import Finch
from random import randint
# Instantiate the Finch object and connect to Finch
tweety = Finch()
left, right = tweety.obstacle()
# Do the following while no obstacles are detected by Finch
while not left and not right:
# Get the accelerations
x, y, z, tap, shake = tweety.acceleration()
# Print the acceleration data
print("X is %.2f gees, Y is %.2f gees, Z is %.2f gees, tap is %r shake is %r" % (x, y, z, tap, shake));
# If a tap or shake has been detected recently, set the LED to a random color
if tap or shake:
tweety.led(randint(0,255), randint(0, 255), randint(0,255))
# Get obstacles to use to exit loop
left, right = tweety.obstacle()
tweety.close()
from lib.finch import Finch
import curses
from time import sleep
#Initalize finch
myFinch = Finch()
"""
Control Finch with keys
"""
# Initialize the library. Return a WindowObject which represents the whole screen.
window = curses.initscr()
curses.cbreak()
window.keypad(1)
window.addstr(0, 0, "Hit 'q' to quit")
window.move(2, 0)
window.refresh()
key = ''
while key != ord('q'):
key = window.getch()
window.addch(2, 0, key)
window.refresh()
if key == curses.KEY_UP:
window.clrtobot()
window.addstr(2, 0, "Finch goes forward!")
myFinch.wheels(1, 1)
sleep(0.1)
# A simple program that changes the Finch LED based on orientation.
from lib.finch import Finch
from random import randint
# Instantiate the Finch object and connect to Finch
tweety = Finch()
left, right = tweety.obstacle()
# Do the following while no obstacles are detected by Finch
while not left and not right:
# Get the accelerations
x, y, z, tap, shake = tweety.acceleration()
# Print the acceleration data
print("X is %.2f gees, Y is %.2f gees, Z is %.2f gees, tap is %r shake is %r" % (x, y, z, tap, shake));
# Use the acceleration data to set the LED:
# beak up
if x < -0.7 and y > -0.3 and y < 0.3 and z > -0.3 and z < 0.3:
tweety.led(255,0,0);
# beak down
elif x > 0.7 and y > -0.3 and y < 0.3 and z > -0.3 and z < 0.3:
tweety.led(0,255,0);
# level
elif x > -0.5 and x < 0.5 and y > -0.5 and y < 0.5 and z > 0.7:
tweety.led(0,0,255);
# upside down
elif x > -0.5 and x < 0.5 and y > -0.5 and y < 0.5 and z < -0.7:
tweety.led(0,255,255);
