altos: Rename 'core' to 'kernel'

[fw/altos] / src / kernel / ao_report_micro.c

diff --git a/src/kernel/ao_report_micro.c b/src/kernel/ao_report_micro.c
new file mode 100644 (file)
index 0000000..0e8e287
--- /dev/null
+++ b/src/kernel/ao_report_micro.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2012 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>
+
+#define mid(time)      ao_led_for(AO_LED_REPORT, time)
+#define pause(time)    ao_delay(time)
+
+static void
+ao_report_digit(uint8_t digit) __reentrant
+{
+       if (!digit) {
+               mid(AO_MS_TO_TICKS(1000));
+               pause(AO_MS_TO_TICKS(300));
+       } else {
+               while (digit--) {
+                       mid(AO_MS_TO_TICKS(300));
+                       pause(AO_MS_TO_TICKS(300));
+               }
+       }
+       pause(AO_MS_TO_TICKS(1000));
+}
+
+void
+ao_report_altitude(void)
+{
+       __pdata alt_t   agl = ao_max_height;
+       static __xdata uint8_t  digits[11];
+       __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);
+}