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/*
* Copyright © 2011 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_product.h>
#include <ao_companion.h>
struct ao_companion_command ao_companion_command;
static const struct ao_companion_setup ao_telepyro_setup = {
.board_id = AO_idProduct_NUMBER,
.board_id_inverse = ~AO_idProduct_NUMBER,
.update_period = 50,
.channels = AO_TELEPYRO_NUM_ADC,
};
void ao_spi_slave(void)
{
if (!ao_spi_slave_recv((uint8_t *) &ao_companion_command,
sizeof (ao_companion_command)))
return;
/* Figure out the outbound data */
switch (ao_companion_command.command) {
case AO_COMPANION_SETUP:
ao_spi_slave_send((uint8_t *) &ao_telepyro_setup,
sizeof (ao_telepyro_setup));
break;
case AO_COMPANION_FETCH:
ao_spi_slave_send((uint8_t *) &ao_adc_ring[ao_adc_ring_prev(ao_adc_head)].adc,
AO_TELEPYRO_NUM_ADC * sizeof (uint16_t));
break;
case AO_COMPANION_NOTIFY:
break;
default:
return;
}
}
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