X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fkernel%2Fao_log_tiny.c;fp=src%2Fkernel%2Fao_log_tiny.c;h=67767dc9ce285c88aeaa0510889be3aa906e8557;hp=0000000000000000000000000000000000000000;hb=24167015705ae831692b95735968b04a876f935e;hpb=bb9fdef607728cc326a82aa632e59724f272e53b

diff --git a/src/kernel/ao_log_tiny.c b/src/kernel/ao_log_tiny.c
new file mode 100644
index 00000000..67767dc9
--- /dev/null
+++ b/src/kernel/ao_log_tiny.c
@@ -0,0 +1,161 @@
+/*
+ * 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;
+
+#define AO_LOG_TINY_INTERVAL_DEFAULT	AO_MS_TO_TICKS(1000)
+#if USE_FAST_ASCENT_LOG
+#define AO_LOG_TINY_INTERVAL_ASCENT	AO_MS_TO_TICKS(100)
+#define AO_PAD_RING	8
+#else
+#define AO_LOG_TINY_INTERVAL_ASCENT	AO_LOG_TINY_INTERVAL_DEFAULT
+#define AO_PAD_RING	2
+#endif
+
+__code uint8_t ao_log_format = AO_LOG_FORMAT_TINY;
+
+void
+ao_log_tiny_set_interval(uint16_t ticks)
+{
+	ao_log_tiny_interval = ticks;
+}
+
+
+static void ao_log_tiny_data(uint16_t d)
+{
+	if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
+		ao_log_stop();
+	if (ao_log_running) {
+		ao_storage_write(ao_log_current_pos, DATA_TO_XDATA(&d), 2);
+		ao_log_current_pos += 2;
+	}
+}
+
+static __xdata uint16_t ao_log_pad_ring[AO_PAD_RING];
+static __pdata uint8_t ao_log_pad_ring_pos;
+
+#define ao_pad_ring_next(n)	(((n) + 1) & (AO_PAD_RING - 1))
+
+static void ao_log_tiny_queue(uint16_t d)
+{
+	ao_log_pad_ring[ao_log_pad_ring_pos] = d;
+	ao_log_pad_ring_pos = ao_pad_ring_next(ao_log_pad_ring_pos);
+}
+
+static void ao_log_tiny_start(void)
+{
+	uint8_t		p;
+	uint16_t	d;
+
+	ao_log_tiny_data(ao_flight_number);
+	ao_log_tiny_data(ao_ground_pres);
+	p = ao_log_pad_ring_pos;
+	do {
+		d = ao_log_pad_ring[p];
+		/*
+		 * ignore unwritten slots
+		 */
+		if (d)
+			ao_log_tiny_data(d);
+		p = ao_pad_ring_next(p);
+	} while (p != ao_log_pad_ring_pos);
+}
+
+void
+ao_log(void)
+{
+	uint16_t		last_time;
+	uint16_t		now;
+	enum ao_flight_state	ao_log_tiny_state;
+	int32_t			sum;
+	int16_t			count;
+	uint8_t			ao_log_data;
+	uint8_t			ao_log_started = 0;
+
+	ao_storage_setup();
+
+	ao_log_scan();
+
+	ao_log_tiny_state = ao_flight_invalid;
+	ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_ASCENT;
+	sum = 0;
+	count = 0;
+	ao_log_data = ao_sample_data;
+	last_time = ao_time();
+	for (;;) {
+
+		/*
+		 * Add in pending sample data
+		 */
+		ao_sleep(DATA_TO_XDATA(&ao_sample_data));
+		while (ao_log_data != ao_sample_data) {
+			sum += ao_data_pres(&ao_data_ring[ao_log_data]);
+			count++;
+			ao_log_data = ao_data_ring_next(ao_log_data);
+		}
+		if (ao_log_running) {
+			if (!ao_log_started) {
+				ao_log_tiny_start();
+				ao_log_started = 1;
+			}
+			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_INTERVAL_ASCENT != AO_LOG_TINY_INTERVAL_DEFAULT
+				if (ao_log_tiny_state <= ao_flight_coast)
+					ao_log_tiny_interval = AO_LOG_TINY_INTERVAL_ASCENT;
+#endif
+				if (ao_log_tiny_state == ao_flight_landed)
+					ao_log_stop();
+			}
+		}
+
+		/* Stop logging when told to */
+		if (!ao_log_running && ao_log_started)
+			ao_exit();
+
+		/*
+		 * Write out the sample when finished
+		 */
+		now = ao_time();
+		if ((int16_t) (now - (last_time + ao_log_tiny_interval)) >= 0 && count) {
+			count = sum / count;
+			if (ao_log_started)
+				ao_log_tiny_data(count);
+			else
+				ao_log_tiny_queue(count);
+			sum = 0;
+			count = 0;
+			last_time = now;
+		}
+	}
+}
+
+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;
+}