From c59cbd10e744429603568686c0d60835d3d77635 Mon Sep 17 00:00:00 2001 From: hackEns Date: Thu, 12 Dec 2013 12:37:40 +0100 Subject: [PATCH] Started code for Noel2013 --- Noel2013/noel.py | 98 ++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 11 ++++++ 2 files changed, 109 insertions(+) create mode 100755 Noel2013/noel.py diff --git a/Noel2013/noel.py b/Noel2013/noel.py new file mode 100755 index 0000000..c13d81e --- /dev/null +++ b/Noel2013/noel.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python3 + +# ============================================================================ +# This script allows you to play music using a chorizo (or whatever food you +# like) keyboard ! See README for more info and links. + +# Specially designed for our demo for Christmas 2013. Designed to fully handle +# 5 notes and play jingle bells. + +# As all the other scripts in this repository, I release it under a very +# permissive license. To make a long story short : do whatever you want with +# this script (but try to have fun :), I don't mind. It would be cool to quote +# the origin of the script if you reuse it, but you don't have to. I'd like to +# be noticed of what you did cool with it (if you think it's worth). :) +# Ah, I almost forgot : If by chance we ever meet and you think this script is +# worth, you can buy me a soda :) +# +# Phyks +# ============================================================================= + +from sound4python import sound +from multiprocessing import Process +import math + + +class _Getch: + """Gets a single character from standard input. Does not echo to the +screen.""" + def __call__(self): + import sys + import tty + import termios + fd = sys.stdin.fileno() + old_settings = termios.tcgetattr(fd) + try: + tty.setraw(sys.stdin.fileno()) + ch = sys.stdin.read(1) + finally: + termios.tcsetattr(fd, termios.TCSADRAIN, old_settings) + return ch + +getch = _Getch() + + +def play_wave(frequency=440, nb_secs=1.): + sine_wave = [] + for i in range(math.ceil(nb_secs*framerate)+1): + sine_wave.append(int(16384*math.sin(2*math.pi*frequency*i/framerate))) + + sound(sine_wave) + +framerate = 16000 +processes = [] +frequency = 440 + + +# Handle serial opening +# *** TODO *** + + +# Handle calibration +# *** TODO *** + +# Main loop +# *** TODO *** : Add fetch from the serial also +print("Running... Press q to quit.") +running = True +while running: + char = getch() + if char == "q": + print("Exiting...") + running = False + continue + elif char == "a": + frequency = 440 + elif char == "b": + frequency = 493.88 + elif char == "c": + frequency = 523.25 + elif char == "d": + frequency = 587.33 + elif char == "e": + frequency = 659.26 + elif char == "f": + frequency = 698.46 + elif char == "g": + frequency = 783.99 + else: + continue + + print("Playing "+char.upper()) + processes.append(Process(target=play_wave, + args=(frequency, + math.floor(0.2 * frequency + 1) / frequency))) + processes[-1].start() + +for i in processes: + i.join() diff --git a/README.md b/README.md index 2cee173..30b83fc 100644 --- a/README.md +++ b/README.md @@ -35,6 +35,17 @@ __(working on)__ A script to play music using chorizo pads as a musical keyboard. See [our website](http://hackens.org/Projets/TouchlessTracking) (french, but vids are available, more coming soon) for infos and demos. +Launch `test_player.py` and use your keyboard to play music for now (A, B, C, D, E, F and G keys). + +# Noel2013 + + +__(working on)__ + +Our code for a demo at Christmas party 2013. We wanted to play Jingle Bells using a chorizo player, 5 notes to fetch from the array and map to real sound. + +Use the same basis as `test_player.py` so it is also usable with a keyboard for fallback if whatever bad happen :) + ### 3d view __(working on)__