em_usbd.c File Reference

Detailed Description

USB protocol stack library API for EFM32/EZR32.

Version

5.1.2

License

(C) Copyright 2014 Silicon Labs, http://www.silabs.com

This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.

Definition in file em_usbd.c.

#include "em_device.h"
#include "em_usb.h"
#include "em_cmu.h"
#include "em_core.h"
#include "em_system.h"
#include "em_usbtypes.h"
#include "em_usbhal.h"
#include "em_usbd.h"

Go to the source code of this file.

Functions
void	USBD_AbortAllTransfers (void)
	Abort all pending transfers. More...
int	USBD_AbortTransfer (int epAddr)
	Abort a pending transfer on a specific endpoint. More...
void	USBD_Connect (void)
	Start USB device operation. More...
void	USBD_Disconnect (void)
	Stop USB device operation. More...
bool	USBD_EpIsBusy (int epAddr)
	Check if an endpoint is busy doing a transfer. More...
USBD_State_TypeDef	USBD_GetUsbState (void)
	Get current USB device state. More...
const char *	USBD_GetUsbStateName (USBD_State_TypeDef state)
	Get a string naming a device USB state. More...
int	USBD_Init (const USBD_Init_TypeDef *p)
	Initializes USB device hardware and internal protocol stack data structures, then connects the data-line (D+ or D-) pullup resistor to signal host that enumeration can begin. More...
int	USBD_Read (int epAddr, void *data, int byteCount, USB_XferCompleteCb_TypeDef callback)
	Start a read (OUT) transfer on an endpoint. More...
int	USBD_RemoteWakeup (void)
	Perform a remote wakeup signalling sequence. More...
bool	USBD_SafeToEnterEM2 (void)
	Check if it is ok to enter energy mode EM2. More...
int	USBD_StallEp (int epAddr)
	Set an endpoint in the stalled (halted) state. More...
void	USBD_Stop (void)
	Stop USB device stack operation. More...
int	USBD_UnStallEp (int epAddr)
	Reset stall state on a stalled (halted) endpoint. More...
int	USBD_Write (int epAddr, void *data, int byteCount, USB_XferCompleteCb_TypeDef callback)
	Start a write (IN) transfer on an endpoint. More...