from telemetrix_rpi_pico import telemetrix_rpi_pico
from time import sleep as delay
import signal
import sys
import colorsys
import numpy
from scipy.ndimage.interpolation import shift
from time import perf_counter as millis
import threading
def sigint_handler(signal, frame):
    
    print ('KeyboardInterrupt is caught')
    board.shutdown()
    sys.exit(0)
signal.signal(signal.SIGINT, sigint_handler)

board = telemetrix_rpi_pico.TelemetrixRpiPico()

NUM_LEDS = 60
TIME_UNIT = 0.1

global spaces
spaces = numpy.zeros(NUM_LEDS)

board.set_pin_mode_neopixel(pin_number=2,num_pixels=NUM_LEDS)
board.neopixel_clear(auto_show=True)

def updateLED():
    for i in range(0,NUM_LEDS):
        board.neo_pixel_set_value(i,r=int(spaces[i]*255),g=int(spaces[i]*255),b=int(spaces[i]*255))
    board.neopixel_show()
def advanceTimeUnit():
    global spaces
    while True:
        spaces = shift(spaces,1,cval=0)
        updateLED()
        delay(TIME_UNIT)
atu = threading.Thread(target=advanceTimeUnit)
atu.start()

while True:
    input("Press Enter to Particle")
    spaces[0] = 1