altos: Add 'microwater' product

This is a custom firmware spin for micropeak designed for use with
water rockets that sets the boost detect altitude to 10m instead of 30m.

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

4 files changed, 195 insertions, 0 deletions

diff --git a/src/microwater/.gitignore b/src/microwater/.gitignore
new file mode 100644
index 00000000..0573d989
--- /dev/null
+++ b/src/microwater/.gitignore
@@ -0,0 +1,2 @@
+ao_product.h
+microwater-*
diff --git a/src/microwater/Makefile b/src/microwater/Makefile
new file mode 100644
index 00000000..a49cda4b
--- /dev/null
+++ b/src/microwater/Makefile
@@ -0,0 +1,121 @@
+#
+# Tiny AltOS build
+#
+#
+vpath % ../attiny:../drivers:../kernel:../product:..
+vpath ao-make-product.5c ../util
+vpath make-altitude-pa ../util
+
+include ../avr/Makefile.defs
+
+PUBLISH_DIR=$(HOME)/altusmetrumllc/Binaries
+PUBLISH_FILE=$(PUBLISH_DIR)/$(PROG)-$(VERSION).hex
+
+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=MicroWater-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
+
+PROG=microwater-v0.1
+
+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) $(PROG).hex
+
+CHECK=sh ../util/check-avr-mem
+
+$(PROG): Makefile $(OBJ)
+	$(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ)
+	$(call quiet,CHECK) $(PROG) || ($(RM) -f $(PROG); exit 1)
+
+$(PROG).hex: $(PROG)
+	avr-size $(PROG)
+	$(OBJCOPY) -R .eeprom -O ihex $(PROG) $@
+
+
+load: $(PROG).hex
+	$(LOADCMD) $(LOADARG)$(PROG).hex
+
+load-slow: $(PROG).hex
+	$(LOADCMD) $(LOADSLOW) $(LOADARG)$(PROG).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) $(PROG).hex
+	rm -f ao_product.h
+
+
+publish: $(PROG).hex
+	cp -a $(PROG).hex $(PUBLISH_FILE)
+
+load-product:
+	$(LOADCMD) $(LOADARG)$(PUBLISH_FILE)
+
+load-product-slow:
+	$(LOADCMD) $(LOADSLOW) $(LOADARG)$(PUBLISH_FILE)
+
+../altitude-pa.h: make-altitude-pa
+	nickle $< > $@
+
+install:
+
+uninstall:
+
+$(OBJ): ao_product.h $(INC)
diff --git a/src/microwater/ao_pins.h b/src/microwater/ao_pins.h
new file mode 100644
index 00000000..37885ec2
--- /dev/null
+++ b/src/microwater/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)
+
+/* Pressure change (in Pa) to detect boost */
+#ifndef BOOST_DETECT
+#define BOOST_DETECT		120	/* 10m at sea level, 12m at 2000m */
+#endif
+
+#endif /* _AO_PINS_H_ */
diff --git a/src/product/ao_micropeak.h b/src/product/ao_micropeak.h
index 0cefca6f..0ec407d7 100644
--- a/src/product/ao_micropeak.h
+++ b/src/product/ao_micropeak.h
@@ -25,7 +25,9 @@
 #define GROUND_AVG		(1 << GROUND_AVG_SHIFT)
 
 /* Pressure change (in Pa) to detect boost */
+#ifndef BOOST_DETECT
 #define BOOST_DETECT		360	/* 30m at sea level, 36m at 2000m */
+#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)