git-svn-id: svn://localhost/ardour2/branches/3.0@4315 d708f5d6-7413-0410-9779-e7cbd77b26cf
129 lines
3.4 KiB
Ruby
129 lines
3.4 KiB
Ruby
#! /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 'mackie'
|
|
|
|
buttons = {}
|
|
pots = {}
|
|
|
|
while !File.exist? ARGV[0]
|
|
sleep 0.010
|
|
end
|
|
|
|
file = File.open( ARGV[0], 'r+' )
|
|
#mck = Mackie.new( file )
|
|
device = false
|
|
|
|
# respond to control movements
|
|
while bytes = file.read( 3 )
|
|
puts "received: %02.x %02.x %02.x" % [ bytes[0], bytes[1], bytes[2] ]
|
|
output = nil
|
|
case bytes[0] & 0b11110000
|
|
when 0xe0
|
|
# fader moved, so respond if move is OK
|
|
output = bytes
|
|
when 0x90
|
|
# button pressed
|
|
case bytes[1]
|
|
when 0x68..0x6f
|
|
# do nothing - touch detection
|
|
puts "touch detect: %02.x" % bytes[2]
|
|
else
|
|
# treat all buttons as toggles
|
|
button_id = bytes[1]
|
|
|
|
# only toggle on release. Not working. All buttons send press
|
|
# and then release signals
|
|
if bytes[2] == 0
|
|
if buttons.include?( button_id )
|
|
# toggle button state
|
|
puts "button id #{buttons[button_id]} to #{!buttons[button_id]}"
|
|
buttons[button_id] = !buttons[button_id]
|
|
else
|
|
# create a new button as on
|
|
puts "adding button id #{button_id}"
|
|
buttons[button_id] = true
|
|
end
|
|
bytes[2] = buttons[button_id] ? 0x7f : 0
|
|
output = bytes
|
|
end
|
|
end
|
|
when 0xb0
|
|
# pots, jog wheel, external
|
|
case bytes[1]
|
|
when 0x10..0x17
|
|
#pot turned
|
|
pot_id = bytes[1] & 0b00000111
|
|
direction = bytes[2] & 0b01000000
|
|
delta = bytes[2] & 0b00111111
|
|
sign = direction == 0 ? 1 : -1
|
|
|
|
if pots.include? pot_id
|
|
current_led_pos = pots[pot_id]
|
|
else
|
|
current_led_pos = pots[pot_id] = 6
|
|
end
|
|
new_led_pos = current_led_pos + sign
|
|
new_led_pos = case
|
|
when new_led_pos <= 0
|
|
0
|
|
when new_led_pos >= 11
|
|
11
|
|
else
|
|
new_led_pos
|
|
end
|
|
|
|
pots[pot_id] = new_led_pos
|
|
|
|
puts "pot #{pot_id} turned #{sign} #{direction == 0 ? 'clockwise' : 'widdershins'}: %02.x to #{new_led_pos}" % delta
|
|
|
|
output = bytes
|
|
output[1] += 0x20
|
|
output[2] = 0b01000000
|
|
#~ modes:
|
|
#~ 0 - single dot
|
|
#~ 1 - boost/cut
|
|
#~ 2 - wrap
|
|
#~ 3 - spread
|
|
mode = pot_id < 4 ? pot_id : 0
|
|
output[2] |= ( mode << 4 )
|
|
output[2] += ( new_led_pos ) & 0b00001111
|
|
when 0x2e
|
|
# external controller
|
|
when 0x3c
|
|
# jog wheel
|
|
end
|
|
else
|
|
puts "don't know what this means"
|
|
end
|
|
|
|
# output bytes
|
|
if device && output
|
|
#sleep 0.1
|
|
puts "sending: %02.x %02.x %02.x" % [ output[0], output[1], output[2] ]
|
|
begin
|
|
res = file.write output
|
|
puts "res: #{res}"
|
|
file.flush
|
|
rescue => e
|
|
puts "oops #{e}"
|
|
file.close
|
|
file = File.open ARGV[0], 'r+'
|
|
end
|
|
end
|
|
end
|