altos: Rename 'core' to 'kernel'

core remains a bad name to use -- dirvish skips files (and
directories, it seems) with that name.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/src/kernel/ao_report_micro.c b/src/kernel/ao_report_micro.c
new file mode 100644
index 00000000..0e8e287f
--- /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);
+}