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# Simple Volume Control
## Description
A simple midi-controlled volume control
## Parameters
Parameter | MIDI CC #
----------|-----------
Volume | `CC-1`
## Building the Example
The faust code (.dsp) in this directory has been compiled using `faust2sam` into `volume-sam`
```
% faust2sam -midi volume.dsp
```
The result of this compile is a zip file `volume-sam.zip` which contains the following three files:
- `fast_pow2.h`
- `samFaustDSP.cpp`
- `samFaustDSP.h`
These 3 files should be placed into the directory `sam_baremetal_framework_core1/src/faust`
In addition there is a header file that is common across all cores called `audio_system_config.h`. In this file the following pre-processor variables should be set in the following way. The example below indicates that a Faust algorithm will only be running on Core1 and that Core2 will be simply passing audio to the codec.
```
#define USE_FAUST_ALGORITHM_CORE1 TRUE
#define USE_FAUST_ALGORITHM_CORE2 FALSE
```
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