Add support for the "kite" micropeak variant

This uses a 100m 'launch detect' altitude and logs data every 19.2s
instead of every .192s.

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

8 files changed, 261 insertions, 4 deletions

diff --git a/src/Makefile b/src/Makefile
index 4e8b3c20..df7a31ee 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -39,7 +39,7 @@ ARMM0DIRS=\
 	easymini-v1.0 easymini-v1.0/flash-loader
 
 AVRDIRS=\
-	telescience-v0.1 telescience-pwm micropeak nanopeak-v0.1
+	telescience-v0.1 telescience-pwm micropeak nanopeak-v0.1 microkite
 
 SUBDIRS=
 
diff --git a/src/kernel/ao_log_micro.c b/src/kernel/ao_log_micro.c
index d665efb5..aef78def 100644
--- a/src/kernel/ao_log_micro.c
+++ b/src/kernel/ao_log_micro.c
@@ -22,10 +22,17 @@
 
 static uint16_t ao_log_offset = STARTING_LOG_OFFSET;
 
+#define AO_LOG_ID_SHIFT	12
+#define AO_LOG_ID_MASK	((1 << AO_LOG_ID_SHIFT) - 1)
+
 void
 ao_log_micro_save(void)
 {
 	uint16_t	n_samples = (ao_log_offset - STARTING_LOG_OFFSET) / sizeof (uint16_t);
+
+#if AO_LOG_ID
+	n_samples |= AO_LOG_ID << AO_LOG_ID_SHIFT;
+#endif
 	ao_eeprom_write(PA_GROUND_OFFSET, &pa_ground, sizeof (pa_ground));
 	ao_eeprom_write(PA_MIN_OFFSET, &pa_min, sizeof (pa_min));
 	ao_eeprom_write(N_SAMPLES_OFFSET, &n_samples, sizeof (n_samples));
@@ -99,8 +106,12 @@ ao_log_micro_dump(void)
 	uint16_t	crc = 0xffff;
 
 	ao_eeprom_read(N_SAMPLES_OFFSET, &n_samples, sizeof (n_samples));
+
 	if (n_samples == 0xffff)
 		n_samples = 0;
+#if AO_LOG_ID
+	n_samples &= AO_LOG_ID_MASK;
+#endif
 	nbytes = STARTING_LOG_OFFSET + sizeof (uint16_t) * n_samples;
 	ao_async_start();
 	ao_async_byte('M');
diff --git a/src/kernel/ao_microflight.c b/src/kernel/ao_microflight.c
index f680e400..df624e79 100644
--- a/src/kernel/ao_microflight.c
+++ b/src/kernel/ao_microflight.c
@@ -43,10 +43,12 @@ void
 ao_microflight(void)
 {
 	int16_t		sample_count;
+	int16_t		log_count;
 	uint16_t	time;
 	uint32_t	pa_interval_min, pa_interval_max;
 	int32_t		pa_diff;
-	uint8_t		h, i;
+	uint8_t		h;
+	uint8_t		i;
 	uint8_t		accel_lock = 0;
 	uint32_t	pa_sum = 0;
 
@@ -93,7 +95,10 @@ ao_microflight(void)
 	}
 
 	/* Log the remaining samples so we get a complete history since leaving the ground */
-	for (; i != h; i = SKIP_PA_HIST(i,2)) {
+#if LOG_INTERVAL < NUM_PA_HIST
+	for (; i != h; i = SKIP_PA_HIST(i,2))
+#endif
+	{
 		pa = pa_hist[i];
 		ao_log_micro_data();
 	}
@@ -101,6 +106,7 @@ ao_microflight(void)
 	/* Now sit around until the pressure is stable again and record the max */
 
 	sample_count = 0;
+	log_count = 0;
 	pa_min = ao_pa;
 	pa_interval_min = ao_pa;
 	pa_interval_max = ao_pa;
@@ -112,8 +118,11 @@ ao_microflight(void)
 		ao_microsample();
 		if ((sample_count & 3) == 0)
 			ao_led_off(AO_LED_REPORT);
-		if (sample_count & 1)
+		if (log_count == LOG_INTERVAL - 1) {
 			ao_log_micro_data();
+			log_count = 0;
+		} else
+			log_count++;
 
 		/* If accelerating upwards, don't look for min pressure */
 		if (ao_pa_accel < ACCEL_LOCK_PA)
diff --git a/src/microkite/.gitignore b/src/microkite/.gitignore
new file mode 100644
index 00000000..7a5d0a1f
--- /dev/null
+++ b/src/microkite/.gitignore
@@ -0,0 +1,2 @@
+ao_product.h
+microkite-*
diff --git a/src/microkite/Makefile b/src/microkite/Makefile
new file mode 100644
index 00000000..b7523758
--- /dev/null
+++ b/src/microkite/Makefile
@@ -0,0 +1,134 @@
+#
+# Tiny AltOS build
+#
+#
+vpath % ../attiny:../drivers:../kernel:../product:..
+vpath ao-make-product.5c ../util
+vpath make-altitude-pa ../util
+
+include ../avr/Makefile.defs
+
+PROGNAME=microkite-v0.1
+PROG=$(PROGNAME)-$(VERSION).elf
+HEX=$(PROGNAME)-$(VERSION).ihx
+
+SCRIPT=microkite-load
+
+PUBLISH_DIR=$(HOME)/altusmetrumllc/Binaries
+PUBLISH_HEX=$(PUBLISH_DIR)/$(HEX)
+PUBLISH_SCRIPT=$(PUBLISH_DIR)/$(SCRIPT)
+
+MCU=attiny85
+DUDECPUTYPE=t85
+#PROGRAMMER=stk500v2 -P usb
+LOADSLOW=-i 32 -B 32
+LOADARG=-p $(DUDECPUTYPE) -c $(PROGRAMMER) -e -U flash:w:
+
+#LDFLAGS=-L$(LDSCRIPTS) -Tavr25.x
+
+ALTOS_SRC = \
+	ao_micropeak.c \
+	ao_spi_attiny.c \
+	ao_led.c \
+	ao_clock.c \
+	ao_ms5607.c \
+	ao_exti.c \
+	ao_convert_pa.c \
+	ao_report_micro.c \
+	ao_notask.c \
+	ao_eeprom_tiny.c \
+	ao_panic.c \
+	ao_log_micro.c \
+	ao_async.c \
+	ao_microflight.c \
+	ao_microkalman.c
+
+INC=\
+	ao.h \
+	ao_pins.h \
+	ao_arch.h \
+	ao_arch_funcs.h \
+	ao_exti.h \
+	ao_ms5607.h \
+	ao_log_micro.h \
+	ao_micropeak.h \
+	altitude-pa.h
+
+IDPRODUCT=0
+PRODUCT=MicroKite-v0.1
+PRODUCT_DEF=-DMICROPEAK
+CFLAGS = $(PRODUCT_DEF) -I. -I../attiny -I../kernel -I.. -I../drivers -I../product
+CFLAGS += -g -mmcu=$(MCU) -Wall -Wstrict-prototypes -O2 -mcall-prologues -DATTINY
+
+NICKLE=nickle
+
+SRC=$(ALTOS_SRC)
+OBJ=$(SRC:.c=.o)
+
+V=0
+# The user has explicitly enabled quiet compilation.
+ifeq ($(V),0)
+quiet = @printf "  $1 $2 $@\n"; $($1)
+endif
+# Otherwise, print the full command line.
+quiet ?= $($1)
+
+all: $(PROG) $(HEX) microkite-load
+
+CHECK=sh ../util/check-avr-mem
+
+$(PROG): Makefile $(OBJ)
+	$(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ)
+	$(call quiet,CHECK) $(PROG) || ($(RM) -f $(PROG); exit 1)
+
+$(HEX): $(PROG)
+	avr-size $(PROG)
+	$(OBJCOPY) -R .eeprom -O ihex $(PROG) $@
+
+
+load: $(HEX)
+	$(LOADCMD) $(LOADARG)$(HEX)
+
+load-slow: $(HEX)
+	$(LOADCMD) $(LOADSLOW) $(LOADARG)$(HEX)
+
+ao_product.h: ao-make-product.5c ../Version
+	$(call quiet,NICKLE,$<) $< -m altusmetrum.org -i $(IDPRODUCT) -p $(PRODUCT) -v $(VERSION) > $@
+
+ao_product.o: ao_product.c ao_product.h
+
+%.o : %.c $(INC)
+	$(call quiet,CC) -c $(CFLAGS) $<
+
+distclean:	clean
+
+clean:
+	rm -f *.o $(PROG) $(HEX) $(SCRIPT)
+	rm -f ao_product.h
+
+publish: $(PUBLISH_HEX) $(PUBLISH_SCRIPT)
+
+$(PUBLISH_HEX): $(HEX)
+	cp -a $(HEX) $@
+
+$(PUBLISH_SCRIPT): $(SCRIPT)
+	cp -a $(SCRIPT) $@
+
+load-product:
+	./$(SCRIPT) fast
+
+load-product-slow:
+	./$(SCRIPT) slow
+
+../altitude-pa.h: make-altitude-pa
+	nickle $< > $@
+
+$(SCRIPT): $(SCRIPT).tmpl Makefile ../Version
+	sed -e 's/%HEX%/$(HEX)/' -e 's/%LOADCMD%/$(LOADCMD)/' -e 's/%LOADARG%/$(LOADARG)/' -e 's/%LOADSLOW%/$(LOADSLOW)/' $(SCRIPT).tmpl > $@ || (rm $@ && exit 1)
+	chmod +x $@
+
+install:
+
+uninstall:
+
+$(OBJ): ao_product.h $(INC)
diff --git a/src/microkite/ao_pins.h b/src/microkite/ao_pins.h
new file mode 100644
index 00000000..3c56dfb8
--- /dev/null
+++ b/src/microkite/ao_pins.h
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ */
+
+#ifndef _AO_PINS_H_
+#define _AO_PINS_H_
+#include <avr/pgmspace.h>
+
+#define AO_LED_ORANGE		(1<<4)
+#define AO_LED_SERIAL		4
+#define AO_LED_PANIC		AO_LED_ORANGE
+#define AO_LED_REPORT		AO_LED_ORANGE
+#define LEDS_AVAILABLE		(AO_LED_ORANGE)
+#define USE_SERIAL_1_STDIN	0
+#define HAS_USB			0
+#define PACKET_HAS_SLAVE	0
+#define HAS_SERIAL_1		0
+#define HAS_TASK		0
+#define HAS_MS5607		1
+#define HAS_MS5611		0
+#define HAS_EEPROM		0
+#define HAS_BEEP		0
+#define AVR_CLOCK		250000UL
+
+/* SPI */
+#define SPI_PORT		PORTB
+#define SPI_PIN			PINB
+#define SPI_DIR			DDRB
+#define AO_MS5607_CS_PORT	PORTB
+#define AO_MS5607_CS_PIN	3
+
+/* MS5607 */
+#define AO_MS5607_SPI_INDEX	0
+#define AO_MS5607_MISO_PORT	PORTB
+#define AO_MS5607_MISO_PIN	0
+#define AO_MS5607_BARO_OVERSAMPLE	4096
+#define AO_MS5607_TEMP_OVERSAMPLE	1024
+
+/* I2C */
+#define I2C_PORT		PORTB
+#define I2C_PIN			PINB
+#define I2C_DIR			DDRB
+#define I2C_PIN_SCL		PINB2
+#define I2C_PIN_SDA		PINB0
+
+#define AO_CONST_ATTRIB		PROGMEM
+typedef int32_t alt_t;
+#define FETCH_ALT(o)		((alt_t) pgm_read_dword(&altitude_table[o]))
+
+#define AO_ALT_VALUE(x)		((x) * (alt_t) 10)
+
+#define BOOST_DETECT		1200	/* 100m (ish) */
+#define LOG_INTERVAL		 200	/* 19.2 seconds */
+
+#define AO_LOG_ID		AO_LOG_ID_MICROKITE
+
+#endif /* _AO_PINS_H_ */
diff --git a/src/microkite/microkite-load.tmpl b/src/microkite/microkite-load.tmpl
new file mode 100644
index 00000000..08236a15
--- /dev/null
+++ b/src/microkite/microkite-load.tmpl
@@ -0,0 +1,20 @@
+#!/bin/sh
+dir=`dirname $0`
+
+HEX="$dir"/"%HEX%"
+LOADCMD="%LOADCMD%"
+LOADARG="%LOADARG%"
+LOADSLOW="%LOADSLOW%"
+LOADFAST=""
+
+case "$1" in
+fast)
+	LOADSPEED="$LOADFAST"
+	;;
+*)
+	LOADSPEED="$LOADSLOW"
+	;;
+esac
+
+echo ${LOADCMD} ${LOADSPEED} ${LOADARG}${HEX}
+${LOADCMD} ${LOADSPEED} ${LOADARG}${HEX}
diff --git a/src/product/ao_micropeak.h b/src/product/ao_micropeak.h
index 0ec407d7..396b9a23 100644
--- a/src/product/ao_micropeak.h
+++ b/src/product/ao_micropeak.h
@@ -29,6 +29,17 @@
 #define BOOST_DETECT		360	/* 30m at sea level, 36m at 2000m */
 #endif
 
+#ifndef LOG_INTERVAL
+#define LOG_INTERVAL		 2	/* 192 ms */
+#endif
+
+#define AO_LOG_ID_MICROPEAK	0
+#define AO_LOG_ID_MICROKITE	1
+
+#ifndef AO_LOG_ID
+#define AO_LOG_ID		AO_LOG_ID_MICROPEAK
+#endif
+
 /* Wait after power on before doing anything to give the user time to assemble the rocket */
 #define BOOST_DELAY		AO_SEC_TO_TICKS(60)