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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* 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>
#include <ao_exti.h>
static uint8_t sensor_value;
static uint8_t vidtime_monitor;
static void
vidtime(void)
{
uint8_t old = 0, got;
ao_exti_enable(AO_SENSOR_PORT, AO_SENSOR_PIN);
for (;;) {
while (!vidtime_monitor)
ao_sleep(&vidtime_monitor);
while ((got = sensor_value) == old)
ao_sleep(&sensor_value);
printf("%d\n", got);
flush();
old = got;
}
}
static void
sensor_interrupt(void)
{
sensor_value = ao_gpio_get(AO_SENSOR_PORT, AO_SENSOR_PIN, foo);
ao_wakeup(&sensor_value);
}
static struct ao_task vidtime_task;
static void
ao_init_vidtime(void)
{
ao_enable_port(AO_SENSOR_PORT);
ao_exti_setup(AO_SENSOR_PORT, AO_SENSOR_PIN,
AO_EXTI_MODE_RISING|
AO_EXTI_MODE_FALLING|
AO_EXTI_MODE_PULL_NONE|
AO_EXTI_PRIORITY_MED,
sensor_interrupt);
ao_add_task(&vidtime_task, vidtime, "vidtime");
}
static void
ao_set_vidtime(void)
{
uint16_t r = ao_cmd_decimal();
if (ao_cmd_status == ao_cmd_success) {
vidtime_monitor = r != 0;
ao_wakeup(&vidtime_monitor);
}
}
const struct ao_cmds ao_vidtime_cmds[] = {
{ ao_set_vidtime, "V <0 off, 1 on>\0Enable/disable timing monitor" },
{ 0, NULL }
};
void main(void)
{
ao_clock_init();
ao_task_init();
ao_timer_init();
ao_dma_init();
ao_init_vidtime();
ao_usb_init();
ao_cmd_init();
ao_cmd_register(&ao_vidtime_cmds[0]);
ao_start_scheduler();
}
|
