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/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <ao.h>
#include <ao_data.h>
volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING];
volatile __data uint8_t ao_data_head;
volatile __data uint8_t ao_data_present;
#ifndef ao_data_count
void
ao_data_get(__xdata struct ao_data *packet)
{
#if HAS_FLIGHT
uint8_t i = ao_data_ring_prev(ao_sample_data);
#else
uint8_t i = ao_data_ring_prev(ao_data_head);
#endif
memcpy(packet, (void *) &ao_data_ring[i], sizeof (struct ao_data));
}
#endif
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