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remove rt_object_find function.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@690 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
2010-05-03 23:17:25 +00:00
parent 16f7ea2f95
commit fca4e1a719
4 changed files with 99 additions and 40 deletions
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src/device.c
+65 -2
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@@ -10,6 +10,7 @@
* Change Logs:
* Date Author Notes
* 2007-01-21 Bernard the first version
* 2010-05-04 Bernard add rt_device_init implementation
*/
#include <rtthread.h>
@@ -103,9 +104,71 @@ rt_err_t rt_device_init_all()
*/
rt_device_t rt_device_find(const char* name)
{
struct rt_object* object;
struct rt_list_node* node;
struct rt_object_information *information;
extern struct rt_object_information rt_object_container[];
/* enter critical */
if (rt_thread_self() != RT_NULL)
rt_enter_critical();
/* try to find device object */
return (struct rt_device*) rt_object_find (RT_Object_Class_Device,
name);
information = &rt_object_container[RT_Object_Class_Device];
for (node = information->object_list.next; node != &(information->object_list); node = node->next)
{
object = rt_list_entry(node, struct rt_object, list);
if (rt_strncmp(object->name, name, RT_NAME_MAX) == 0)
{
/* leave critical */
if (rt_thread_self() != RT_NULL)
rt_exit_critical();
return (rt_device_t)object;
}
}
/* leave critical */
if (rt_thread_self() != RT_NULL)
rt_exit_critical();
/* not found */
return RT_NULL;
}
/**
* This function will initialize the speicial device
*
* @param dev the pointer of device driver structure
*
* @return the result
*/
rt_err_t rt_device_init(rt_device_t dev)
{
rt_err_t result;
rt_err_t (*init)(rt_device_t dev);
RT_ASSERT(dev != RT_NULL);
/* get device init handler */
init = dev->init;
if (init != RT_NULL && !(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
{
result = init(dev);
if (result != RT_EOK)
{
rt_kprintf("To initialize device:%s failed. The error code is %d\n",
dev->parent.name, result);
}
else
{
dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
}
}
else result = -RT_ENOSYS;
return result;
}
/**