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/*
* 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"
static const char * __xdata flight_reports[] = {
"...", /* startup, 'S' */
"..", /* idle 'I' */
".--.", /* launchpad 'P' */
"-...", /* boost 'B' */
"-.-.", /* coast 'C' */
".-", /* apogee 'A' */
"-..", /* drogue 'D' */
"--", /* main 'M' */
".-..", /* landed 'L' */
".-.-.-", /* invalid */
};
#if 1
#define signal(time) ao_beep_for(AO_BEEP_MID, time)
#else
#define signal(time) ao_led_for(AO_LED_RED, time)
#endif
#define pause(time) ao_delay(time)
static __xdata enum ao_flight_state ao_report_state;
static void
ao_report_beep(void) __reentrant
{
char *r = flight_reports[ao_flight_state];
char c;
if (!r)
return;
while (c = *r++) {
if (c == '.')
signal(AO_MS_TO_TICKS(200));
else
signal(AO_MS_TO_TICKS(600));
pause(AO_MS_TO_TICKS(200));
}
pause(AO_MS_TO_TICKS(400));
}
static void
ao_report_digit(uint8_t digit) __reentrant
{
if (!digit) {
signal(AO_MS_TO_TICKS(500));
pause(AO_MS_TO_TICKS(200));
} else {
while (digit--) {
signal(AO_MS_TO_TICKS(200));
pause(AO_MS_TO_TICKS(200));
}
}
pause(AO_MS_TO_TICKS(300));
}
static void
ao_report_altitude(void)
{
__xdata int16_t agl = ao_pres_to_altitude(ao_min_pres) - ao_pres_to_altitude(ao_ground_pres);
__xdata uint8_t digits[10];
__xdata uint8_t ndigits, i;
if (agl < 0)
agl = 0;
ndigits = 0;
do {
digits[ndigits++] = agl % 10;
agl /= 10;
} while (agl);
for (;;) {
ao_report_beep();
i = ndigits;
do
ao_report_digit(digits[--i]);
while (i != 0);
pause(AO_SEC_TO_TICKS(5));
}
}
void
ao_report(void)
{
ao_report_state = ao_flight_state;
for(;;) {
if (ao_flight_state == ao_flight_landed)
ao_report_altitude();
ao_report_beep();
__critical {
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");
}
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