# a boolean that indicates if it was a double tap. You might see both a single
# and double tap!
def tap_data(single, double):
if single:
print('Single click!')
if double:
print('Double click!')
# Stream tap data for 2 seconds, then pause for 5 seconds and stream forever.
print('Streaming tap data for 2 seconds...')
board.start_tap(tap_data)
time.sleep(2.0)
print('Pausing for 5 seconds...')
board.stop_tap()
time.sleep(5.0)
try:
# Wait in a loop to receive tap data from the board in the background.
print('Printing tap data (Ctrl-C to quit)...')
board.start_tap(tap_data)
while True:
time.sleep(1.0)
finally:
print('Stopping!')
board.stop_tap()
# Close Firmata board connection when done.
board.close()
# to higher brightness because the color information is 'lost'. It's best to
# just call set brightness once at the start to set a good max brightness instead
# of trying to make animations with it.
board.set_pixel_brightness(50)
# Animate moving the colors across the pixels 100 times / 10 seconds.
print('Animating pixels for 10 seconds...')
for offset in range(100):
# Go through each pixel and set its color based on its position and the
# current offset. Constrain these values to fall within the list of colors.
for i in range(10):
# Find the color for this pixel.
color = colors[(i+offset)%len(colors)]
# Set the pixel color.
board.set_pixel(i, color[0], color[1], color[2])
# Push the updated colors out to the pixels (this will make the pixels change
# their color, the previous set_pixel calls just change the memory and not
# the pixels).
board.show_pixels()
# Sleep for a bit between iterations.
time.sleep(0.1)
# Clear all the pixels to turn them off.
board.clear_pixels()
board.show_pixels() # Make sure to call show after clear!
time.sleep(0.1) # Small delay to make sure board connection doesn't close
# before previous command is processed.
# Close Firmata board connection when done.
board.close()
