--- /dev/null
+/*
+ * 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"
+
+static __data uint16_t ao_log_tiny_interval;
+static __data uint32_t ao_log_tiny_pos;
+
+#define AO_LOG_TINY_INTERVAL_ASCENT AO_MS_TO_TICKS(100)
+#define AO_LOG_TINY_INTERVAL_DEFAULT AO_MS_TO_TICKS(1000)
+
+void
+ao_log_tiny_set_interval(uint16_t ticks)
+{
+ ao_log_tiny_interval = ticks;
+}
+
+static __xdata uint16_t ao_log_tiny_data_temp;
+
+#define ao_log_tiny_data(d) do { \
+ ao_log_tiny_data_temp = (d); \
+ ao_storage_write(ao_log_tiny_pos, &ao_log_tiny_data_temp, 2); \
+ ao_log_tiny_pos += 2; \
+ } while (0)
+
+void
+ao_log(void)
+{
+ uint16_t time;
+ int16_t delay;
+ enum ao_flight_state ao_log_tiny_state;
+
+ ao_storage_setup();
+
+ ao_log_tiny_state = ao_flight_invalid;
+ ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_DEFAULT;
+ while (!ao_log_running)
+ ao_sleep(&ao_log_running);
+
+ time = ao_time();
+ ao_log_tiny_data(ao_flight_number);
+ for (;;) {
+ if (ao_flight_state != ao_log_tiny_state) {
+ ao_log_tiny_data(ao_flight_state | 0x8000);
+ ao_log_tiny_state = ao_flight_state;
+ ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_DEFAULT;
+ if (ao_log_tiny_state <= ao_flight_coast)
+ ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_ASCENT;
+ }
+ ao_log_tiny_data(ao_flight_pres); // XXX change to alt
+ time += ao_log_tiny_interval;
+ delay = time - ao_time();
+ if (delay > 0)
+ ao_delay(delay);
+ }
+}
+
+uint16_t
+ao_log_flight(uint8_t slot)
+{
+ static __xdata uint16_t flight;
+
+ (void) slot;
+ ao_storage_read(0, &flight, 2);
+ if (flight == 0xffff)
+ flight = 0;
+ return flight;
+}