Use autotools, move altos to src subdir

[fw/altos] / src / ao_report.c

diff --git a/src/ao_report.c b/src/ao_report.c
new file mode 100644 (file)
index 0000000..e52b292
--- /dev/null
+++ b/src/ao_report.c
@@ -0,0 +1,122 @@
+/*
+ * 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");
+}