blob: a902e4976a46f8206dcf7f8a28dba69f8617c45f (
plain)
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
|
/* traffic light synchronizer, using states in an event-driven model */
#include <time>
main()
{
state green_wait;
}
@keypressed(key) <green_wait>
{
state yellow_wait;
}
@keypressed(key) <red_walk, red_wait>
{
state red_walk;
}
@keypressed(key) <>
{
} /* fallback */
@timer() <yellow_wait>
{
state red_walk;
}
@timer() <red_walk>
{
state red_wait;
}
@timer() <red_wait>
{
state green_wait;
}
@timer() <>
{
} /* fallback */
entry() <green_wait>
{
print "Green / Don't walk\n";
}
entry() <yellow_wait>
{
print "Yellow / Don't walk\n";
settimer 2000;
}
entry() <red_walk>
{
print "Red / Walk\n";
settimer 5000;
}
entry() <red_wait>
{
print "Red / Don't walk\n";
settimer 2000;
}
|
