diff options
Diffstat (limited to 'src/kernel/ao_report.c')
| -rw-r--r-- | src/kernel/ao_report.c | 198 | 
1 files changed, 198 insertions, 0 deletions
diff --git a/src/kernel/ao_report.c b/src/kernel/ao_report.c new file mode 100644 index 00000000..1104cd82 --- /dev/null +++ b/src/kernel/ao_report.c @@ -0,0 +1,198 @@ +/* + * Copyright © 2009 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_flight.h> +#include <ao_sample.h> + +#define BIT(i,x)    	   ((x) ? (1 << (i)) : 0) +#define MORSE1(a)          (1 | BIT(3,a)) +#define MORSE2(a,b)        (2 | BIT(3,a) | BIT(4,b)) +#define MORSE3(a,b,c)      (3 | BIT(3,a) | BIT(4,b) | BIT(5,c)) +#define MORSE4(a,b,c,d)    (4 | BIT(3,a) | BIT(4,b) | BIT(5,c) | BIT(6,d)) +#define MORSE5(a,b,c,d,e)  (5 | BIT(3,a) | BIT(4,b) | BIT(5,c) | BIT(6,d) | BIT(7,e)) + +static const uint8_t flight_reports[] = { +	MORSE3(0,0,0),		/* startup, 'S' */ +	MORSE2(0,0),		/* idle 'I' */ +	MORSE4(0,1,1,0),	/* pad 'P' */ +	MORSE4(1,0,0,0),	/* boost 'B' */ +	MORSE4(0,0,1,0),	/* fast 'F' */ +	MORSE4(1,0,1,0),	/* coast 'C' */ +	MORSE3(1,0,0),		/* drogue 'D' */ +	MORSE2(1,1),		/* main 'M' */ +	MORSE4(0,1,0,0),	/* landed 'L' */ +	MORSE4(1,0,0,1),	/* invalid 'X' */ +}; + +#if HAS_BEEP +#define low(time)	ao_beep_for(AO_BEEP_LOW, time) +#define mid(time)	ao_beep_for(AO_BEEP_MID, time) +#define high(time)	ao_beep_for(AO_BEEP_HIGH, time) +#else +#define low(time)	ao_led_for(AO_LED_GREEN, time) +#define mid(time)	ao_led_for(AO_LED_RED, time) +#define high(time)	ao_led_for(AO_LED_GREEN|AO_LED_RED, time) +#endif +#define pause(time)	ao_delay(time) + +static __pdata enum ao_flight_state ao_report_state; + +static void +ao_report_beep(void) __reentrant +{ +	uint8_t r = flight_reports[ao_flight_state]; +	uint8_t l = r & 7; + +	if (!r) +		return; +	while (l--) { +		if (r & 8) +			mid(AO_MS_TO_TICKS(600)); +		else +			mid(AO_MS_TO_TICKS(200)); +		pause(AO_MS_TO_TICKS(200)); +		r >>= 1; +	} +	pause(AO_MS_TO_TICKS(400)); +} + +static void +ao_report_digit(uint8_t digit) __reentrant +{ +	if (!digit) { +		mid(AO_MS_TO_TICKS(500)); +		pause(AO_MS_TO_TICKS(200)); +	} else { +		while (digit--) { +			mid(AO_MS_TO_TICKS(200)); +			pause(AO_MS_TO_TICKS(200)); +		} +	} +	pause(AO_MS_TO_TICKS(300)); +} + +static void +ao_report_altitude(void) +{ +	__pdata int16_t	agl = ao_max_height; +	__xdata uint8_t	digits[10]; +	__pdata uint8_t ndigits, i; + +	if (agl < 0) +		agl = 0; +	ndigits = 0; +	do { +		digits[ndigits++] = agl % 10; +		agl /= 10; +	} while (agl); + +	i = ndigits; +	do +		ao_report_digit(digits[--i]); +	while (i != 0); +} + +#if HAS_IGNITE_REPORT +static uint8_t +ao_report_igniter_ready(enum ao_igniter igniter) +{ +	return ao_igniter_status(igniter) == ao_igniter_ready ? 1 : 0; +} + +uint8_t +ao_report_igniter(void) +{ +	return (ao_report_igniter_ready(ao_igniter_drogue) | +		     (ao_report_igniter_ready(ao_igniter_main) << 1)); +} + +static void +ao_report_continuity(void) __reentrant +{ +	uint8_t	c; + +#if !HAS_IGNITE +	if (!ao_igniter_present) +		return; +#endif +	c = ao_report_igniter(); +	if (c) { +		while (c--) { +			high(AO_MS_TO_TICKS(25)); +			pause(AO_MS_TO_TICKS(100)); +		} +	} else { +		c = 10; +		while (c--) { +			high(AO_MS_TO_TICKS(20)); +			low(AO_MS_TO_TICKS(20)); +		} +	} +#if HAS_LOG +	if (ao_log_full()) { +		pause(AO_MS_TO_TICKS(100)); +		c = 2; +		while (c--) { +			low(AO_MS_TO_TICKS(100)); +			mid(AO_MS_TO_TICKS(100)); +			high(AO_MS_TO_TICKS(100)); +			mid(AO_MS_TO_TICKS(100)); +		} +	} +#endif +} +#endif + +void +ao_report(void) +{ +	ao_report_state = ao_flight_state; +	for(;;) { +		ao_report_beep(); +		if (ao_flight_state == ao_flight_landed) { +			ao_report_altitude(); +#if HAS_FLIGHT +			ao_delay(AO_SEC_TO_TICKS(5)); +			continue; +#endif +		} +#if HAS_IGNITE_REPORT +		if (ao_flight_state == ao_flight_idle) +			ao_report_continuity(); +		while (ao_flight_state == ao_flight_pad) { +			uint8_t	c; +			ao_report_continuity(); +			c = 50; +			while (c-- && ao_flight_state == ao_flight_pad) +				pause(AO_MS_TO_TICKS(100)); +		} +#endif + +		while (ao_report_state == ao_flight_state) +			ao_sleep(DATA_TO_XDATA(&ao_flight_state)); +		ao_report_state = ao_flight_state; +	} +} + +static __xdata struct ao_task ao_report_task; + +void +ao_report_init(void) +{ +	ao_add_task(&ao_report_task, ao_report, "report"); +}  | 
