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livetrax/libs/surfaces/mackie/scripts/host.rb

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#! /usr/bin/ruby
# Copyright (C) 2006,2007 John Anderson
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
require 'controls.rb'
require 'mackie.rb'
while !File.exist? ARGV[0]
sleep 0.010
end
#mapping_csv = ARGV[1] || "mackie-controls.csv"
mapping_csv = ARGV[1]
puts "mapping_csv: #{mapping_csv}"
puts ""
file = File.open ARGV[0], 'r+'
mck = Mackie.new( file )
# send device query
response = mck.sysex( "\x00" )
puts "response: #{response.to_hex}"
# decode host connection query
status = response[0]
if status != 1
puts "expected 01, got " + response.to_hex.inspect
exit(1)
end
serial = response[1..7]
challenge = response[8..11]
puts <<EOF
serial: #{serial.to_hex.inspect}
challenge: #{challenge.to_hex.inspect}
EOF
# send host connection reply
response = mck.sysex( "\x02" + serial.pack('C*') + challenge.pack('C*') )
# decode host connection confirmation
status = response[0]
if status != 3
puts "expected 03, got " + response.to_hex.inspect
exit(1)
end
serial = response[1..7]
puts <<EOF
serial: #{serial.to_hex.inspect}
EOF
# faders to minimum. bcf2000 doesn't respond
#file.write( hdr + "\x61\xf7" )
# all leds off. bcf2000 doesn't respond
#file.write( hdr + "\x62\xf7" )
# get version. comes back as ASCII bytes
version = mck.sysex( "\x13\x00" )
puts "version: #{version.map{|x| x.chr}}"
# write a welcome message. bcf2000 responds with exact
# string but doesn't display anything
# 0 offset,
#~ file.write hdr + "\x12\x3fLCDE\xf7"
#~ file.flush
#~ answer = read_sysex file
#~ puts "answer: #{answer[hdr.length..-1].map{|x| x.chr}}"
# write to BBT display
#~ file.write hdr + "\x10LCDE\xf7"
#~ file.flush
#~ bbt = []
#~ while ( nc = file.read( 1 ) )[0] != 0xf7
#~ bbt << nc[0]
#~ end
#~ puts "bbt: #{bbt[hdr.length..-1].map{|x| x.chr}}"
# write 7-segment display
#~ file.write hdr + "\x11LCDE\xf7"
#~ file.flush
# go offline. bcf2000 doesn't respond
#~ file.write( hdr + "\x0f\x7f\xf7" )
#~ file.flush
sf = Surface.new
control_data = ""
File.open( mapping_csv ) { |f| control_data = f.read }
sf.parse( control_data )
# send all faders to 0, but bounce them first
# otherwise the bcf gets confused
sf.midis[0xe0].values.find_all{|x| x.class == Fader}.each do |x|
bytes = Array.new
bytes[0] = 0xe0 + x.ordinal - 1
bytes[1] = 0x1
bytes[2] = 0x1
file.write bytes.pack( 'C*' )
bytes[0] = 0xe0 + x.ordinal - 1
bytes[1] = 0x0
bytes[2] = 0x0
file.write bytes.pack( 'C*' )
end
file.flush
# respond to control movements
while bytes = mck.file.read( 3 )
print "received: %02.x %02.x %02.x" % [ bytes[0], bytes[1], bytes[2] ]
midi_type = bytes[0] & 0b11110000
control_id = sf.types[midi_type].mask_for_id( bytes )
control = sf.midis[midi_type][control_id]
print " Control Type: %-7s, " % sf.types[midi_type]
print "id: %4i" % control_id
print ", control: %15s" % ( control ? control.name : "nil control" )
print ", %15s" % ( control ? control.group.name : "nil group" )
print "\n"
end