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eZdsp5535 problems using DMA to I2S to AIC3204

I am having problems programming my eZdsp5535 to output a signal on the AIC3204. I have managed to output successfully using the demo code, however, I am trying to pre-generate the output signal and it would seem to make sense to put into the DMA before outputting to the AIC3204 (via the I2S).

I don't have much experience with DSP programming, so have based most of what I have done from the tutorials provided by Spectrum Digital and the CSL. I have included my attempted c code as a txt file, most headers are standard and unchanged.

7178.DMA_I2S_TX.txt

Any feedback, help, further tutorials, etc... would be greatly appreciated.