/* Total ring size in samples */
#define AO_ADC_RING_SIZE 256
-extern uint16_t ao_adc_ring[AO_ADC_RING_SIZE];
+extern uint16_t ao_adc_ring[AO_ADC_RING_SIZE] __attribute__((aligned(4)));
#define ao_adc_ring_step(pos,inc) (((pos) + (inc)) & (AO_ADC_RING_SIZE - 1))