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usbdevice/core: small optimization on the event loop 

Sort the switch cases by the frequency of the events.
This commit is contained in:
Grissiom 2013-05-12 13:06:44 +08:00
parent d23ee75d2e
commit 157af94af9
1 changed files with 4 additions and 4 deletions
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8
components/drivers/usb/usbdevice/core/core.c
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@ -1308,8 +1308,8 @@ static void rt_usbd_thread_entry(void* parameter)
switch (msg.type) switch (msg.type)
{ {
case USB_MSG_SETUP_NOTIFY: case USB_MSG_SOF:
_setup_request(device, (ureq_t)msg.content.setup_msg.packet); _sof_notify(device);
break; break;
case USB_MSG_DATA_NOTIFY: case USB_MSG_DATA_NOTIFY:
ep = rt_usbd_find_endpoint(device, &cls, msg.content.ep_msg.ep_addr); 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 else
rt_kprintf("invalid endpoint\n"); rt_kprintf("invalid endpoint\n");
break; break;
case USB_MSG_SOF: case USB_MSG_SETUP_NOTIFY:
_sof_notify(device); _setup_request(device, (ureq_t)msg.content.setup_msg.packet);
break; break;
default: default:
rt_kprintf("unknown msg type\n"); rt_kprintf("unknown msg type\n");