*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
/* 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))