/* * Copyright © 2012 Keith Packard * * 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 #include #include #include #include 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(); } }