diff options
Diffstat (limited to 'usb_lld.h')
| -rw-r--r-- | usb_lld.h | 24 |
1 files changed, 20 insertions, 4 deletions
@@ -106,11 +106,27 @@ void usb_lld_init (struct usb_dev *dev, uint8_t feature); #define USB_EVENT_ID(e) ((e >> 24)) int usb_lld_event_handler (struct usb_dev *dev); -int usb_lld_reply_request (struct usb_dev *dev, - const void *buf, size_t buflen); -int usb_lld_set_data_to_recv (struct usb_dev *dev, void *p, size_t len); +/* + * Control Endpoint ENDP0 does device requests handling. + * In response to an event of + * USB_EVENT_SET_CONFIGURATION + * USB_EVENT_SET_INTERFACE + * USB_EVENT_SET_FEATURE_DEVICE + * USB_EVENT_SET_FEATURE_ENDPOINT + * USB_EVENT_CLEAR_FEATURE_DEVICE + * USB_EVENT_CLEAR_FEATURE_ENDPOINT + * USB_EVENT_GET_STATUS_INTERFACE + * USB_EVENT_GET_DESCRIPTOR + * USB_EVENT_GET_INTERFACE + * USB_EVENT_CTRL_REQUEST + * a single action should be done, which is SEND, RECV, or, + * ACKNOWLEDGE (no data to be sent, or to be received). + * Otherwise, it's an error. + */ +int usb_lld_ctrl_send (struct usb_dev *dev, const void *buf, size_t buflen); +int usb_lld_ctrl_recv (struct usb_dev *dev, void *p, size_t len); +int usb_lld_ctrl_ack (struct usb_dev *dev); void usb_lld_ctrl_error (struct usb_dev *dev); -void usb_lld_ctrl_good (struct usb_dev *dev); void usb_lld_reset (struct usb_dev *dev, uint8_t feature); void usb_lld_set_configuration (struct usb_dev *dev, uint8_t config); |