How to implement external control using a rotary encoder to a DSP that does not have any type of external control on the ADAU1701 chip
Hello, I am creating a signal delay device for PA systems. For this I am using the DSP Delay that comes with Signa Studio and I need to add physical control using a rotary encoder but in the delay I cannot find a way to add external control, I also need to add an LED screen, do you know how I can do it?
Thanks a lot
Audio Signal Processors
Audio Products
software
Adau 1701 with dsp Delay
sigma studio 4.7
SigmaDSP Audio Processors
adau1701
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Hello Paco, Here is an example of how to do the rotary control of a delay line.
Setting up an LED screen is a HUGE subject and will require a microcontroller. There are a number of posts here that discuss how to interface a DSP with a controller to read and write values. The LED screen has to be controlled via the controller.
If you get a system controller involved then you might just end up using the controller to decode the rotary encoder and then just stuff the delay values directly into parameter RAM. There are so many ways to do the same task.
My example project also shows how to control the delay with an AUXADC pot.
Dave T
ADAU1701 Voltage Controlled Delay Example.dspproj
Thanks a lot Dave, your design looks awesome!!!
Regards
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