DMA constants defined in the shapedmacontext.h file.
SHAPE_DMA_ADDRESS_ALIGNMENT
SHAPE_DMA_ADDRESS_MASK
SHAPE_DMA_ADDRESS_SHIFT
SHAPE_DMA_MAX_NUM_CHANNELS
SHAPE_DMA_MAX_NUM_FRAMES
SHAPE_DMA_MAX_READ_POINTER
SHAPE_DMA_MAX_WRITE_POINTER
SHAPE_DMA_MIN_NUM_CHANNELS
SHAPE_DMA_MIN_NUM_FRAMES
SHAPE_DMA_MIN_READ_POINTER
SHAPE_DMA_MIN_WRITE_POINTER
SHAPE_DMA_SAMPLE_SIZE_IN_BYTES
SHAPE_DMA_SAMPLES_PER_FRAME
SHAPE_DMA_UPDATE_ADDRESS
SHAPE_DMA_UPDATE_CHANNEL
SHAPE_DMA_UPDATE_FLOAT_CONVERT
SHAPE_DMA_UPDATE_FULL
SHAPE_DMA_UPDATE_MASK
SHAPE_DMA_UPDATE_NUM_CHANNELS
SHAPE_DMA_UPDATE_NUM_FRAMES
SHAPE_DMA_UPDATE_READ_POINTER
SHAPE_DMA_UPDATE_WRITE_POINTER