Hi Zak,
Please set the properties of the signal at ADC output to Cla1DataRam memory so that the variable is created in cla.
![CLA_Settings.png](https://www.mathworks.com/matlabcentral/answers/uploaded_files/270362/image.png)
Also ensure you have selected c28035_cla.cmd for Linker command file in Configuration parameters -> Hardware Implementation tab with Boot From Flash enabled.
Hope it helps,
Aditya