_crow_cv.lua

local crow_cv = function (self, x, y)
	
	self.y = y
	self.x = x
	self.name = 'crow_cv'
	self.ports = { {1, 0, 'in-port' }, {2, 0, 'in-octave' }, {3, 0, 'in-note' }, {4, 0, 'in-attack' }, {5, 0, 'in-release' }, {6, 0, 'in-level'} }
	self:spawn(self.ports)

	local cv_transpose_table = {
  	['A'] = 0.833,
  	['a'] = 0.916,
  	['B'] = 1.000,
  	['C'] = 0.083,
  	['c'] = 0.166,
  	['D'] = 0.250,
  	['d'] = 0.333,
  	['E'] = 0.416,
  	['F'] = 0.500,
  	['f'] = 0.583,
  	['G'] = 0.666,
  	['g'] = 0.750,
  	['H'] = 0.000,
  	['h'] = 0.083,
  	['I'] = 0.166,
  	['J'] = 1.083,
  	['j'] = 1.166,
  	['K'] = 1.250,
  	['k'] = 1.333,
  	['L'] = 1.416,
  	['M'] = 1.500,
  	['m'] = 1.583,
  	['N'] = 1.666,
  	['n'] = 1.750,
  	['O'] = 1.833,
  	['o'] = 1.916,
  	['P'] = 2.000,
  	['Q'] = 2.083,
  	['q'] = 2.166,
  	['R'] = 2.250,
  	['r'] = 2.333,
  	['S'] = 2.416,
  	['T'] = 2.500,
  	['t'] = 2.583,
  	['U'] = 2.666,
  	['u'] = 2.750,
  	['V'] = 2.833,
  	['v'] = 2.916,
  	['W'] = 3.000,
  	['X'] = 3.083,
  	['x'] = 3.166,
  	['Y'] = 3.250,
  	['y'] = 3.333,
  	['Z'] = 3.416,
  	['e'] = 3.500,
  	['l'] = 3.583,
  	['s'] = 3.666,
  	['z'] = 3.750,
  	['b'] = 3.833,
  	['i'] = 3.916,
  	['p'] = 4.000,
  	['w'] = 4.083,
  	['0'] = 4.166,
  	['1'] = 4.250,
  	['2'] = 4.333,
  	['3'] = 4.416,
  	['4'] = 4.500,
  	['5'] = 4.583,
  	['6'] = 4.666,
  	['7'] = 4.750,
  	['8'] = 4.833,
  	['9'] = 4.916,
	}
	

	local channel = 1
	local ar_channel = 2
	if (self:listen( self.x + 1, self.y ) == 0 or nil) then
		channel = 1
		ar_channel = 2
	else
		channel = 3
		ar_channel = 4
	end
	local octave = self:listen( self.x + 2, self.y ) or 1
	local n = tostring(self:glyph_at(self.x + 3, self.y)) or 'C'
	local note = cv_transpose_table[n] or .08

  local attack = util.linlin(0, 35, 0.00, 1.50, self:listen( self.x + 4, self.y ) or 0)

	local release = util.linlin(0, 35, 0.00, 3.00, self:listen( self.x + 5, self.y ) or 1)
	local volts = octave + note

  local level = util.linlin(0, 35, 0.00, 10.00, self:listen( self.x + 6, self.y ) or 25)

	if self:neighbor(self.x, self.y, '*') then
		crow.output[channel].volts = volts
		crow.output[ar_channel].action = "{to("..level..","..attack.."),to(0,"..release..")}"
    crow.output[ar_channel]()
  end
end

return crow_cv