emailler/client/examples/make_sine_data.rb
jonnosan ece70ad030 added mozilla public license
git-svn-id: http://svn.code.sf.net/p/netboot65/code@207 93682198-c243-4bdb-bd91-e943c89aac3b
2009-10-22 10:49:08 +00:00

38 lines
1.0 KiB
Ruby

f=File.open("sine_data.i","w")
TABLE_ENTRIES=0x80
AMPLITUDE=255
OFFSET=00
TABLE_ENTRIES.times do |i|
value=OFFSET+Math.sin(Math::PI*i.to_f/TABLE_ENTRIES.to_f)*AMPLITUDE
if i%0x08==0
f<<"\n.byte "
else
f<<", "
end
f<<"$%02x" % value
end
f.close
#-- LICENSE FOR make_sine_data.rb --
# The contents of this file are subject to the Mozilla Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
# License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is ip65.
#
# The Initial Developer of the Original Code is Jonno Downes,
# jonno@jamtronix.com.
# Portions created by the Initial Developer are Copyright (C) 2009
# Jonno Downes. All Rights Reserved.
# -- LICENSE END --