# Mission 9 GuardBot
# Code after objective 12
from botcore import *
from time import sleep_ms

SENS = 300
DELAY = 100

def alarm(dx, dy, dz):
    print("Alarm!", dx, dy, dz)
    spkr.pitch(640)
    sleep_ms(100)
    spkr.pitch(440)
    sleep_ms(400)
    spkr.off()

# -- Main program --
now = accel.read()
while True:
    sleep_ms(DELAY)
    before = now
    now = accel.read()
    dx = now[0] - before[0]
    dy = now[1] - before[1]
    dz = now[2] - before[2]
    if abs(dx) > SENS or abs(dy) > SENS or abs(dz) > SENS:
        alarm(dx, dy, dz)