Message
Re: Script? help needed...
2009-11-06 by rpcfender
> I need to set an encoder to transmit a 10 bit pitch bend.
> Its to emulate the 'alphatrack' controller. Its supported in REaper so i thought i would try to create a preset for it (BCR2000).
> The alpha tracks documentation says...
>
> Fader Move e0 yy zz
>
> Where yy is 3 LSB's in the from 00,10 .... 70
> Where zz is 7 MSB's in the form 00,10, ... 7f
> Together, yy and xx form a 10 bit fader position.
>
Are you sure that the least significate byte is 0 to $70 ?
If this is so the value is jumping by 16
The simple pitch bend (.easypar) on the BC only changes the MSB so you need .tx to get the 14bit value and the range needs to be set as well
PB message - $Ex LSB MSB where x = channel
eg 14 bit on channel 1
.minmax 0 $3FFF
.tx $E0 val0.6 val7.13
The encoder has a resolution of 96 messages per turn.
You want to jump 16 values before putting out the next message so 96 * 16 = 1536
.minmax 0 $3FFF
.tx $E0 val0.6 val7.13
.resolution 1536 1536 1536 1536
but you would need to turn the encoder a few times to get to max PB
If you need to get around faster you can use the different encoder speeds to move through the values faster.
Use multiples of 1536 to get the correct jumps eg resolution 1536 x 1 1536 x 4 1536 x 6 1536 x 8
.minmax 0 $3FFF
.tx $E0 val0.6 val7.13
.resolution 1536 6144 9216 12288
Full script to program just encoder 33....
$rev R1
$encoder 33
.showvalue on
.mode 1dot
.default 0 ; or $2000 which is the normal 0 position for PB as there can be pitch down as well
.minmax 0 $3FFF
.tx $E0 val0.6 val7.13
.resolution 1536 6144 9216 12288
$end
oops. I just reread your post and you want a fader to do this. I can't quite do it
$rev F1
$fader 1
.showvalue on
.default 0 ; or $2000 which is the normal 0 position for PB as there can be pitch down as well
.minmax 0 $3FFF
.tx $E0 val0.6 val7.13
$end
You can't adjust the resolution and so the resolution is a bit rougher (jumps about 28 instead of 16)- so give this a try and see if it will do what you want it to do.
All the best
Royce