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Merge pull request #95 from grissiom/vcom

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usbdevice/core: add reset function to support hotplug
This commit is contained in:
qiuyiuestc 2013-05-25 01:05:00 -07:00
commit a33e992724
2 changed files with 41 additions and 7 deletions
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1
components/drivers/include/drivers/usb_device.h
View File

@ -145,6 +145,7 @@ enum udev_msg_type
USB_MSG_SETUP_NOTIFY,
USB_MSG_DATA_NOTIFY,
USB_MSG_SOF,
USB_MSG_RESET,
};
typedef enum udev_msg_type udev_msg_type;

33
components/drivers/usb/usbdevice/core/core.c
View File

@ -666,6 +666,35 @@ rt_err_t _sof_notify(udevice_t device)
return RT_EOK;
}
/**
* This function will reset all class.
*
* @param device the usb device object.
*
* @return RT_EOK.
*/
rt_err_t _reset_notify(udevice_t device)
{
struct rt_list_node *i;
uclass_t cls;
RT_ASSERT(device != RT_NULL);
/* to notity every class that sof event comes */
for (i=device->curr_cfg->cls_list.next;
i!=&device->curr_cfg->cls_list; i=i->next)
{
cls = (uclass_t)rt_list_entry(i, struct uclass, list);
if(cls->ops->stop != RT_NULL)
cls->ops->stop(device, cls);
if(cls->ops->run != RT_NULL)
cls->ops->run(device, cls);
}
return RT_EOK;
}
/**
* This function will create an usb device object.
*
@ -1382,6 +1411,10 @@ static void rt_usbd_thread_entry(void* parameter)
case USB_MSG_SETUP_NOTIFY:
_setup_request(device, (ureq_t)msg.content.setup_msg.packet);
break;
case USB_MSG_RESET:
if (device->state == USB_STATE_ADDRESS)
_reset_notify(device);
break;
default:
rt_kprintf("unknown msg type\n");
break;