Exemplo n.º 1
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# 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)
Exemplo n.º 2
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# 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]
Exemplo n.º 3
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# 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)
Exemplo n.º 4
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# 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()

Exemplo n.º 5
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# 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)
Exemplo n.º 6
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# 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()
Exemplo n.º 7
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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);