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#!/usr/bin/env python3
#
# This script is used to generate the music for
# examples/raspberrypi-pixtend-musicplayer.awlpro
#
notes = []
def note(name, value):
nameMap = {
"pause" : 0,
"c" : 1,
"d" : 2,
"e" : 3,
"f" : 4,
"g" : 5,
"a" : 6,
"b" : 7,
"c'" : 8,
"d'" : 9,
"e'" : 10,
"f'" : 11,
"g'" : 12,
"a'" : 13,
"b'" : 14,
None : 15,
}
valueMap = {
"1/1" : 0,
"1/2" : 1,
"1/4" : 2,
"1/8" : 3,
"1/16" : 4,
"1/32" : 5,
"1/64" : 6,
"sharp" : 0,
"dot" : 1,
"tie" : 2,
"up" : 3,
"down" : 4,
}
notes.append(nameMap[name] | (valueMap[value] << 4))
n = note
tie = lambda: note(None, "tie")
dot = lambda: note(None, "dot")
# The Free Software Song
# Sadi moma bela loza (Bulgarian folk song)
# Words by Richard Stallman, the Free Software Foundation http://fsf.org/
# Richard Stallman and the Free Software Foundation claim no copyright on this song.
# The official homepage for this song is http://www.gnu.org/music/free-software-song.html
n("d'", "1/4"); n("c'", "1/8"); n("b", "1/4"); n("a", "1/4")
n("b", "1/4"); n("c'", "1/8"); n("b", "1/8"); tie(); n("a", "1/8"); n("g", "1/4")
n("g", "1/4"); dot(); n("a", "1/4"); dot(); tie(); n("b", "1/8")
n("c'", "1/4"); dot(); n("b", "1/4"); n("b", "1/8"); n("d'", "1/4")
n("a", "1/4"); dot(); n("a", "1/2")
n("d'", "1/4"); tie(); n("c'", "1/8"); tie(); n("b", "1/2")
n("d'", "1/4"); n("c'", "1/8"); n("b", "1/4"); n("a", "1/4")
n("b", "1/4"); n("c'", "1/8"); n("b", "1/8"); tie(); n("a", "1/8"); n("g", "1/4")
n("g", "1/4"); dot(); n("a", "1/4"); dot(); tie(); n("b", "1/8")
n("c'", "1/4"); dot(); n("b", "1/4"); n("b", "1/8"); n("d'", "1/4")
n("a", "1/4"); dot(); n("a", "1/2")
n("a", "1/4"); dot(); tie(); n("a", "1/2")
header="""DATA_BLOCK "DB_song"
STRUCT
SONG : ARRAY [0 .. %d] OF BYTE;
END_STRUCT;
BEGIN
""" % (len(notes))
footer="END_DATA_BLOCK\n"
print(header, end='')
for i, n in enumerate(notes):
print("\tSONG[%d] := B#16#%02X;\n" % (i, n), end='')
print("\tSONG[%d] := B#16#FF;\n" % (i + 1), end='')
print(footer, end='')
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