Re: behringer FBQ2496 and midish

Alexandre,

I wrote a small and incomplete article on my blog at 
https://markarian421.wordpress.com/2018/08/18/behringer-fbq2496-et-acouphenes/.
It's in French.

Luc

On 18-08-17 12:51 AM, Luc Tanguay wrote:
> Thanks Alexandre.
>
> What finally worked was this:
>
> proc setfilter fid fgain fbw fcoarse ffine {
>    ###print {"setfilter args: " $fid " " $fgain " " $fbw " " $fcoarse 
> " " $ffine};
>    ormev {};
>    oaddev {ctl [geto] filter ($fid - 1)};
>    oaddev {ctl [geto] bw $fbw};
>    oaddev {ctl [geto] gain $fgain};
>    oaddev {xctl [geto] freq ($fcoarse * 128 + $ffine) };
>    p;
>    s;
> }
> # --- midish configuration
> # Unconfigure 'expr' controller
> ctlunconf expr;
> # Configure controllers
> ctlconfx filter 11 nil;
> ctlconfx freq 14 nil;
> ctlconfx bw 15 nil;
> ctlconfx gain 16 nil;
> # --- main
> # Get MIDI device name from 'aseqdump -l'.
> dnew 0 "44:0" wo;
> # FBQ uses MIDI channel 16.
> onew fbq {0 (16 - 1)};
> # -- set list of CCs that will tx 14-bit data on device 0
> doxctl 0 {14};
>
> let gain = 0; # 0 = -36 dB is the lowest gain, etc.
> let msb = 61;
> let bw = 15; # 15 = 1 oct
> setfilter 10 $gain $bw $msb  80;
> setfilter 11 $gain $bw $msb 112;
>
>
> Luc
>
> On 18-08-15 04:05 AM, Alexandre Ratchov wrote:
>> On 15 August 2018 06:26:22 CEST, Luc Tanguay<lucus@sympatico.ca>  wrote:
>>> Hi.
>>>
>>> I want to configure my Behringer FBQ2496 with midish.  To control the
>>> FBQ we need to send CCs messages.  The problem I have is to send the
>>> right message to configure the frequency of one filter in the FBQ.
>>> The
>>> FBQ manual says:
>>> Frequency (coarse adjustement): CC = 14, value range = 0..75
>>> Frequency (fine adjustement): CC = 46, value range = 0..127.
>>>
>>> The following midish commands do not work:
>>>
>>> # CC 11 is to set 'filter' on FBQ
>>> ctlunconf expr
>>> # Configure 'filter' controller
>>> ctlconfx filter 11 nil
>>> ctlconfx freq 14 nil
>>> dnew 0 "44:0" wo
>>> # FBQ listens on MIDI channel 16
>>> onew fbq {0 15}
>>> # Set filter 20 i.e. 19
>>> oaddev {ctl fbq 11 19}
>>> # Set Bandwith to "3"
>>> oaddev {ctl fbq 15 2}
>>> @ Set Gain to -36 dB i.e. 0
>>> oaddev {ctl fbq 16 0}
>>> # To set frequency to 447 Hz,
>>> # set CC 14 to 33 and CC 46 to 96 (all in decimal)
>>> oaddev {ctl fbq 14 33}
>>> oaddev {ctl fbq 46 96}
>> as controller 14 uses the "fine mode", you don't neet to set controller 46. By setting contoller 14 to a value in the 0..16383 range, midish will set the lower bits in controller 46 as well. In your example you need:
>>
>> oaddev {ctl fbq 14 33*128+96}
>>
>> this will generate the two controller messages atomically.
>>
>>
>>
>
> -- 
> Déjà f*in*i!
>
> Luc Tanguay
> Bo/u/cherville (Québec)

-- 
Déjà f*in*i!

Luc Tanguay
Bo/u/cherville (Québec)