altos: Move micropeak sources around

This sticks the micropeak sources in appropriate directories, rather
than in the micropeak product directory so that they can be shared
with future micropeak-style products.

Signed-off-by: Keith Packard <keithp@keithp.com>

2 files changed, 167 insertions, 0 deletions

diff --git a/src/product/ao_micropeak.c b/src/product/ao_micropeak.c
new file mode 100644
index 00000000..10f0d192
--- /dev/null
+++ b/src/product/ao_micropeak.c
@@ -0,0 +1,89 @@
+/*
+ * 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_micropeak.h>
+#include <ao_ms5607.h>
+#include <ao_log_micro.h>
+#include <ao_async.h>
+
+static struct ao_ms5607_sample	sample;
+static struct ao_ms5607_value	value;
+
+alt_t		ground_alt, max_alt;
+alt_t		ao_max_height;
+
+void
+ao_pa_get(void)
+{
+	ao_ms5607_sample(&sample);
+	ao_ms5607_convert(&sample, &value);
+	pa = value.pres;
+}
+
+static void
+ao_compute_height(void)
+{
+	ground_alt = ao_pa_to_altitude(pa_ground);
+	max_alt = ao_pa_to_altitude(pa_min);
+	ao_max_height = max_alt - ground_alt;
+}
+
+static void
+ao_pips(void)
+{
+	uint8_t	i;
+	for (i = 0; i < 10; i++) {
+		ao_led_toggle(AO_LED_REPORT);
+		ao_delay(AO_MS_TO_TICKS(80));
+	}
+	ao_delay(AO_MS_TO_TICKS(200));
+}
+
+int
+main(void)
+{
+	ao_led_init(LEDS_AVAILABLE);
+	ao_timer_init();
+
+	/* Init external hardware */
+	ao_spi_init();
+	ao_ms5607_init();
+	ao_ms5607_setup();
+
+	/* Give the person a second to get their finger out of the way */
+	ao_delay(AO_MS_TO_TICKS(1000));
+
+	ao_log_micro_restore();
+	ao_compute_height();
+	ao_report_altitude();
+	ao_pips();
+	ao_log_micro_dump();
+	
+	ao_delay(BOOST_DELAY);
+
+	ao_microflight();
+
+	ao_log_micro_save();
+	ao_compute_height();
+	ao_report_altitude();
+	for (;;) {
+		cli();
+		set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+		sleep_mode();
+	}
+}
diff --git a/src/product/ao_micropeak.h b/src/product/ao_micropeak.h
new file mode 100644
index 00000000..3e3dec15
--- /dev/null
+++ b/src/product/ao_micropeak.h
@@ -0,0 +1,78 @@
+/*
+ * 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.
+ */
+
+#ifndef _AO_MICROPEAK_H_
+#define _AO_MICROPEAK_H_
+
+#define SAMPLE_SLEEP		AO_MS_TO_TICKS(96)
+
+/* 16 sample, or about two seconds worth */
+#define GROUND_AVG_SHIFT	4
+#define GROUND_AVG		(1 << GROUND_AVG_SHIFT)
+
+/* Pressure change (in Pa) to detect boost */
+#define BOOST_DETECT		120	/* 10m at sea level, 12m at 2000m */
+
+/* Wait after power on before doing anything to give the user time to assemble the rocket */
+#define BOOST_DELAY		AO_SEC_TO_TICKS(60)
+
+/* Pressure change (in Pa) to detect landing */
+#define LAND_DETECT		24	/* 2m at sea level, 2.4m at 2000m */
+
+/* Current sensor pressure value */
+extern uint32_t	pa;
+
+/* Average pressure value on ground */
+extern uint32_t	pa_ground;
+
+/* Minimum recorded filtered pressure value */
+extern uint32_t	pa_min;
+
+/* Pressure values converted to altitudes */
+extern alt_t	ground_alt, max_alt;
+
+/* max_alt - ground_alt */
+extern alt_t	ao_max_height;
+
+void
+ao_pa_get(void);
+
+void
+ao_microflight(void);
+
+#define ACCEL_LOCK_PA		-20
+#define ACCEL_LOCK_TIME		10
+
+extern uint32_t	ao_k_pa;		/* 24.8 fixed point */
+extern int32_t	ao_k_pa_speed;		/* 16.16 fixed point */
+extern int32_t	ao_k_pa_accel;		/* 16.16 fixed point */
+
+extern uint32_t	ao_pa;			/* integer portion */
+extern int16_t	ao_pa_speed;		/* integer portion */
+extern int16_t	ao_pa_accel;		/* integer portion */
+
+void
+ao_microkalman_init(void);
+
+void
+ao_microkalman_predict(void);
+
+void
+ao_microkalman_correct(void);
+	
+#endif
+