- 105 -
[
[
[
[
E
E
x
x
a
a
m
m
p
p
l
l
e
e
p
p
r
r
o
o
g
g
r
r
a
a
m
m
s
s
t
t
a
a
t
t
e
e
m
m
e
e
n
n
t
t
]
]
]
]
<<Example statement in C language>>
#include <itron.h>
#include <kernel.h>
#include “kernel_id.h”
void task()
{
:
if( wai_sem( ID_sem ) != E_OK )
printf(“Forced
wakeup\n”);
:
if( pol_sem( ID_sem ) != E_OK )
printf(“Timeout\n”);
:
if( twai_sem( ID_sem, 10 ) != E_OK )
printf(“Forced wakeup or Timeout”n”);
:
}
<<Example statement in assembly language>>
.include
mr100.inc
.GLB
task
task:
:
PUSH.W
R2
pol_sem #ID_SEM1
:
PUSH.W
R2
wai_sem #ID_SEM2
:
PUSH.W
R2
PUSH.L
R6R4
twai_sem #ID_SEM3,300
: