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main-midiaction.lua
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main-midiaction.lua
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function checksum(t)
local cs = 0
for i = 1, #t
do
cs = cs + t[i]
end
cs = cs % 0x80
return (0x80 - cs) % 0x80
end
-- read effects MSB
function effectsMSB()
local eff = 0
if (root.children.phaser.children.phaser.values.x == 1) then
eff = eff + 1
end
if (root.children.eq.children.eq.values.x == 1) then
eff = eff + 2
end
if (root.children.dd.children.dd.values.x == 1) then
eff = eff + 4
end
if (root.children.chorus.children.chorus.values.x == 1) then
eff = eff + 8
end
return eff
end
-- read effects LSB
function effectsLSB()
local eff = 0
if (root.children.df.children.df.values.x == 1) then
eff = eff + 1
end
if (root.children.comp.children.comp.values.x == 1) then
eff = eff + 2
end
if (root.children.od.children.od.values.x == 1) then
eff = eff + 4
end
if (root.children.dist.children.dist.values.x == 1) then
eff = eff + 8
end
return eff
end
-- return all effects in 2 bytes
function effectsAllParams(t)
t[#t + 1] = effectsMSB()
t[#t + 1] = effectsLSB()
end
function effectsParams(v)
t = { 0x0 }
if v < 5 then
t[#t + 1] = 0x1
t[#t + 1] = effectsLSB()
else
t[#t + 1] = 0x0
t[#t + 1] = effectsMSB()
end
return t
end
-- read DF params 1= sens, 2 = cutoff, 3 = Q, 4 = updown
function dfAllParams(t)
t[#t + 1] = tonumber(root.children.df.children.sens.values.text)
t[#t + 1] = tonumber(root.children.df.children.cutoff.values.text)
t[#t + 1] = tonumber(root.children.df.children.q.values.text)
if root.children.df.children.updown.values.text == "UP" then
t[#t + 1] = 0x64 -- 100
else
t[#t + 1] = 0x0 -- down
end
end
function dfParams(n)
local t = { }
local p = { }
if root.children.df.children.df.values.x == 1 then
dfAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0x1
t[#t + 1] = p[n]
end
return t
end
-- read COMP params 1= attack, 2 = sustain
function compAllParams(t)
t[#t + 1] = tonumber(root.children.comp.children.attack.values.text)
t[#t + 1] = tonumber(root.children.comp.children.sustain.values.text)
end
function compParams(n)
local t = { }
local p = { }
if root.children.comp.children.comp.values.x == 1 then
compAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0x5
t[#t + 1] = p[n]
end
return t
end
-- read OD params 1= tone, 2 = drive, 3 = turbo
function odAllParams(t)
t[#t + 1] = tonumber(root.children.od.children.odtone.values.text)
t[#t + 1] = tonumber(root.children.od.children.oddrive.values.text)
if root.children.od.children.turbo.values.text == "TURBO" then
t[#t + 1] = 0x64 -- 100
else
t[#t + 1] = 0x0 -- std
end
end
-- read OD params 1= tone, 2 = drive, 3 = turbo
function odParams(n)
local t = { }
local p = { }
if root.children.od.children.od.values.x == 1 then
odAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0x7
t[#t + 1] = p[n]
end
return t
end
-- read DIST params 1= tone, 2 = drive
function distAllParams(t)
t[#t + 1] = tonumber(root.children.dist.children.dtone.values.text)
t[#t + 1] = tonumber(root.children.dist.children.ddrive.values.text)
end
function distParams(n)
local t = { }
local p = { }
if root.children.dist.children.dist.values.x == 1 then
distAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0xA
t[#t + 1] = p[n]
end
return t
end
-- read PHASER params 1= rate, 2= depth, 3= resonance
function phaserAllParams(t)
t[#t + 1] = tonumber(root.children.phaser.children.prate.values.text)
t[#t + 1] = tonumber(root.children.phaser.children.pdepth.values.text)
t[#t + 1] = tonumber(root.children.phaser.children.resonance.values.text)
end
function phaserParams(n)
local t = { }
local p = { }
if root.children.phaser.children.phaser.values.x == 1 then
phaserAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0xC
t[#t + 1] = p[n]
end
return t
end
-- read EQ params 1= high, 2= mid, 3= low, 4= vol
function eqAllParams(t)
t[#t + 1] = tonumber(root.children.eq.children.high.values.text)
t[#t + 1] = tonumber(root.children.eq.children.mid.values.text)
t[#t + 1] = tonumber(root.children.eq.children.low.values.text)
t[#t + 1] = tonumber(root.children.eq.children.volume.values.text)
end
function eqParams(n)
local t = { }
local p = { }
if root.children.eq.children.eq.values.x == 1 then
eqAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0xF
t[#t + 1] = p[n]
end
return t
end
-- read DD params 1= level, 2= time (2 bytes), 3= feedback
function ddAllParams(t)
t[#t + 1] = tonumber(root.children.dd.children.ddlevel.values.text)
local n = tonumber(root.children.dd.children.time.values.text)
local msb = math.floor(n / 128)
local lsb = n % 0x80
t[#t + 1] = msb
t[#t + 1] = lsb
t[#t + 1] = tonumber(root.children.dd.children.feedback.values.text)
end
function ddParams(n)
local t = { }
local p = { }
if root.children.dd.children.dd.values.x == 1 then
ddAllParams(p)
t[#t + 1] = 0x0
if n == 3 then
n = 4
end
t[#t + 1] = n + 0x13
t[#t + 1] = p[n]
if n == 2 then
t[#t + 1] = p[n + 1]
end
end
return t
end
-- read CHORUS params 1= rate, 2= depth, 3= level, 4= predelay, 5= feedback
function chorusAllParams(t)
t[#t + 1] = tonumber(root.children.chorus.children.crate.values.text)
t[#t + 1] = tonumber(root.children.chorus.children.cdepth.values.text)
t[#t + 1] = tonumber(root.children.chorus.children.clevel.values.text)
t[#t + 1] = tonumber(root.children.chorus.children.predelay.values.text)
t[#t + 1] = tonumber(root.children.chorus.children.cfeedback.values.text)
end
function chorusParams(n)
local t = { }
local p = { }
if root.children.chorus.children.chorus.values.x == 1 then
chorusAllParams(p)
t[#t + 1] = 0x0
t[#t + 1] = n + 0x17
t[#t + 1] = p[n]
end
return t
end
-- read MASTER VOLUME param 1= master volume
function volAllParams(t)
t[#t + 1] = tonumber(root.children.other.children.volume.values.text)
end
function volParams(n)
local t = { 0x0 }
local p = { }
volAllParams(p)
t[#t + 1] = n + 0x1C
t[#t + 1] = p[n]
return t
end
-- read EXP param 1= config from 0(Off) to 27(vol)
function expAllParams(t)
t[#t + 1] = tonumber(root.children.other.children.eparam.values.text)
end
function expParams(n)
local t = { 0x0 }
local p = { }
expAllParams(p)
t[#t + 1] = n + 0x1D
t[#t + 1] = p[n]
return t
end
-- read EXT1 param 1= ext1 on/off
function ext1AllParams(t)
if root.children.ext1.children.ext1.values.x == 1 then
t[#t + 1] = 0x64
else
t[#t + 1] = 0x0
end
end
function ext1Params(n)
local t = { 0x0 }
local p = { }
ext1AllParams(p)
t[#t + 1] = n + 0x1E
t[#t + 1] = p[n]
return t
end
-- read EXT2 param 1= ext1 on/off
function ext2AllParams(t)
if root.children.ext2.children.ext2.values.x == 1 then
t[#t + 1] = 0x64
else
t[#t + 1] = 0x0
end
end
function ext2Params(n)
local t = { 0x0 }
local p = { }
ext2AllParams(p)
t[#t + 1] = n + 0x1F
t[#t + 1] = p[n]
return t
end
-- read NAME
function nameParam(t)
local str = root.children.string16.values.text
for i = 1, 16 do
t[#t + 1] = string.byte(str, i)
end
t[#t + 1] = 0x0
end
-- send bytes of data at the given roland address
-- this fuction creates the sysex header and happends checksum and end of sysex then sends to MIDI
function sendOneParam(data)
if #data == 0 or self.values.x == 0 then
return
end
local cs = checksum(data)
local ch = tonumber(root.children.global.children.channel.values.text)
local frame = { 0xF0, 0x41, ch-1, 0x13, 0x12 } -- sys excl, roland id, channel, model id, command id
for i = 1, #data
do
frame[#frame + 1] = data[i]
end
frame[#frame + 1] = cs
frame[#frame + 1] = 0xF7 -- end of sysex
sendMIDI(frame)
end
-- send all params in GP8 memory (given group-bank-number id)
function writeAll(gbn)
if self.values.x == 0 then
return
end
local address = (gbn * 0x40) + 0x2000
local addressMSB = math.floor(address / 0x80)
local addressLSB = address % 0x80
local t = { addressMSB, addressLSB }
effectsAllParams(t)
dfAllParams(t)
compAllParams(t)
odAllParams(t)
distAllParams(t)
phaserAllParams(t)
eqAllParams(t)
ddAllParams(t)
chorusAllParams(t)
volAllParams(t)
expAllParams(t)
ext1AllParams(t)
ext2AllParams(t)
nameParam(t)
t[#t + 1] = 0x0 -- end of string
sendOneParam(t)
end
-- notif of changed values
function onReceiveNotify(key, value)
if key == "EFF" then
sendOneParam(effectsParams(value))
elseif key == "DF" then
sendOneParam(dfParams(value))
elseif key == "COMP" then
sendOneParam(compParams(value))
elseif key == "OD" then
sendOneParam(odParams(value))
elseif key == "DIST" then
sendOneParam(distParams(value))
elseif key == "PHASER" then
sendOneParam(phaserParams(value))
elseif key == "EQ" then
sendOneParam(eqParams(value))
elseif key == "DD" then
sendOneParam(ddParams(value))
elseif key == "CHORUS" then
sendOneParam(chorusParams(value))
elseif key == "VOL" then
sendOneParam(volParams(value))
elseif key == "EXP" then
sendOneParam(expParams(value))
elseif key == "EXT1" then
sendOneParam(ext1Params(value))
elseif key == "EXT2" then
sendOneParam(ext2Params(value))
elseif key == "WRITE" then
writeAll(value)
end
end