diff options
| author | Grissiom <[email protected]> | 2013-06-06 15:21:40 +0800 |
|---|---|---|
| committer | Grissiom <[email protected]> | 2013-06-06 15:21:40 +0800 |
| commit | ed19483cb4f026c40e7c6a6bc09583e054ef0c5e (patch) | |
| tree | 3b4b61b512546e0fc1b2cc80be0992446729ff96 /components/drivers/include | |
| parent | 03e8d24688ae56c6c53db81e42d40109026d1aac (diff) | |
usb: add USB_MSG_PLUG_OUT event
When the core received an USB_MSG_PLUG_OUT event, it will stop all the
classes. This make a chance that the classes could get rid off doing
useless stuff while the USB cable is plugged out.
Diffstat (limited to 'components/drivers/include')
| -rw-r--r-- | components/drivers/include/drivers/usb_device.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/usb_device.h b/components/drivers/include/drivers/usb_device.h index f0e0989ce5..2f464def3f 100644 --- a/components/drivers/include/drivers/usb_device.h +++ b/components/drivers/include/drivers/usb_device.h @@ -146,6 +146,11 @@ enum udev_msg_type USB_MSG_DATA_NOTIFY, USB_MSG_SOF, USB_MSG_RESET, + /* we don't need to add a "PLUG_IN" event because after the cable is + * plugged in(before any SETUP) the classed have nothing to do. If the host + * is ready, it will send RESET and we will have USB_MSG_RESET. So, a RESET + * should reset and run the class while plug_in is not. */ + USB_MSG_PLUG_OUT, }; typedef enum udev_msg_type udev_msg_type; |