int application_start( void )
{
OSStatus err = kNoErr;
/* Create a mutex*/
err = mico_rtos_init_mutex( &mutex);
require_noerr(err, exit);
/* Create threads */
err = mico_rtos_create_thread( NULL, MICO_APPLICATION_PRIORITY+1, "t1", run, 0x800, p_name1 );
require_noerr(err, exit);
err = mico_rtos_create_thread( NULL, MICO_APPLICATION_PRIORITY+1, "t2", run, 0x800, p_name2 );
require_noerr(err, exit);
err = mico_rtos_create_thread( NULL, MICO_APPLICATION_PRIORITY+1, "t3", run, 0x800, p_name3 );
require_noerr(err, exit);
err = mico_rtos_create_thread( NULL, MICO_APPLICATION_PRIORITY+1, "t4", run, 0x800, p_name4 );
require_noerr(err, exit);
exit:
if( err != kNoErr )
os_mutex_log( "Thread exit with err: %d", err );
mico_rtos_delete_thread(NULL);
return err;
}
void mutex_thread(void *inContext)
{
int delay;
char *thread_name = (char *)inContext;
srand( 1000 );
while(1)
{
delay = rand()%9 + 1;
mico_rtos_lock_mutex(&os_mutex);
os_mutex_log("%s thread is using resources, delay %ds", thread_name, delay);
mico_thread_sleep(delay);
os_mutex_log("%s thread will release resource", thread_name);
mico_rtos_unlock_mutex(&os_mutex);
mico_thread_sleep(5);
}
}
int application_start( void )
{
OSStatus err = kNoErr;
err = mico_rtos_init_mutex(&os_mutex);
require_noerr( err, exit );
err = mico_rtos_create_thread(NULL, MICO_APPLICATION_PRIORITY, "mutex1", mutex_thread, 0x800, (void *)os_mutex1);
require_noerr_action( err, exit, os_mutex_log("ERROR: Unable to start the mutex1 thread.") );
err = mico_rtos_create_thread(NULL, MICO_APPLICATION_PRIORITY, "mutex2", mutex_thread, 0x800, (void *)os_mutex2);
require_noerr_action( err, exit, os_mutex_log("ERROR: Unable to start the mutex2 thread.") );
err = mico_rtos_create_thread(NULL, MICO_APPLICATION_PRIORITY, "mutex2", mutex_thread, 0x800, (void *)os_mutex3);
require_noerr_action( err, exit, os_mutex_log("ERROR: Unable to start the mutex2 thread.") );
return err;
exit:
os_mutex_log("ERROR, err: %d", err);
return err;
}
void run( void *arg )
{
char *name = (char *)arg;
char debug[20];
while(1)
{
MUTEX_LOCK();
if( g_tickets <= 0 ){
MUTEX_UNLOCK();
goto exit;
}
g_tickets--;
sprintf( debug, "Thread %s, %d\r\n", name, g_tickets );
MicoUartSend(STDIO_UART, debug, strlen(debug) );
MUTEX_UNLOCK();
}
exit:
os_mutex_log( "thread: %s exit now", name );
mico_rtos_delete_thread(NULL);
}
