Smoke on the Water for Lego Mindstorms

smokeonthewater.py

#!/usr/bin/env python
#
# Smoke on the water by Deep Purple, for the Lego Mindstorms
# 
# Note frequencies worked out as follows:
# A = 440
# Notes above A = A * (1.059463)^ no. of steps above A
# Notes below A = A * (1.059463)^ -no. of steps below A
#

from time import sleep
import nxt.locator

FREQ_A = 440
FREQ_G = 392 
FREQ_B_FLAT = 466
FREQ_C = 523
FREQ_C_SHARP = 554

b = nxt.locator.find_one_brick(name='NXT')

for i in range(1, 3):
    b.play_tone_and_wait(FREQ_G, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_B_FLAT, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_C, 500)

    sleep(0.25)

    b.play_tone_and_wait(FREQ_G, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_B_FLAT, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_C_SHARP, 150)
    sleep(0.5)
    b.play_tone_and_wait(FREQ_C, 650)

    sleep(0.25)

    b.play_tone_and_wait(FREQ_G, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_B_FLAT, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_C, 500)
    sleep(0.25)

    b.play_tone_and_wait(FREQ_B_FLAT, 200)
    sleep(0.25)
    b.play_tone_and_wait(FREQ_G, 1000)
    sleep(0.4)