+/*
+ * 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"
+
+struct ao_companion_command ao_companion_command;
+
+static const struct ao_companion_setup ao_telescience_setup = {
+ .board_id = AO_idProduct_NUMBER,
+ .board_id_inverse = ~AO_idProduct_NUMBER,
+ .update_period = 50,
+ .channels = AO_LOG_TELESCIENCE_NUM_ADC,
+};
+
+void ao_spi_slave(void)
+{
+ if (!ao_spi_read((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_write((uint8_t *) &ao_telescience_setup,
+ sizeof (ao_telescience_setup));
+ break;
+ case AO_COMPANION_FETCH:
+ ao_spi_write((uint8_t *) &ao_adc_ring[ao_adc_ring_prev(ao_adc_head)].adc,
+ AO_LOG_TELESCIENCE_NUM_ADC * sizeof (uint16_t));
+ break;
+ case AO_COMPANION_NOTIFY:
+ break;
+ default:
+ return;
+ }
+
+ ao_log_single_write_data.telescience.tm_tick = ao_companion_command.tick;
+ if (ao_log_single_write_data.telescience.tm_state != ao_companion_command.flight_state) {
+ ao_log_single_write_data.telescience.tm_state = ao_companion_command.flight_state;
+ if (ao_flight_boost <= ao_log_single_write_data.telescience.tm_state) {
+ if (ao_log_single_write_data.telescience.tm_state < ao_flight_landed)
+ ao_log_single_start();
+ else
+ ao_log_single_stop();
+ }
+ }
+}