blob: bdcc131eacdc2f783e2d4c880f8051088f35d5a8 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
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(600));
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(600));
}
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);
}
|
