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usbdevice/core: small optimization on the event loop

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Sort the switch cases by the frequency of the events.
This commit is contained in:
Grissiom
2013-05-12 13:07:03 +08:00
parent d23ee75d2e
commit 157af94af9
1 changed files with 4 additions and 4 deletions
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components/drivers/usb/usbdevice/core/core.c
+4 -4
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@@ -1308,8 +1308,8 @@ static void rt_usbd_thread_entry(void* parameter)
switch (msg.type)
{
case USB_MSG_SETUP_NOTIFY:
_setup_request(device, (ureq_t)msg.content.setup_msg.packet);
case USB_MSG_SOF:
_sof_notify(device);
break;
case USB_MSG_DATA_NOTIFY:
ep = rt_usbd_find_endpoint(device, &cls, msg.content.ep_msg.ep_addr);
@@ -1318,8 +1318,8 @@ static void rt_usbd_thread_entry(void* parameter)
else
rt_kprintf("invalid endpoint\n");
break;
case USB_MSG_SOF:
_sof_notify(device);
case USB_MSG_SETUP_NOTIFY:
_setup_request(device, (ureq_t)msg.content.setup_msg.packet);
break;
default:
rt_kprintf("unknown msg type\n");