usbhw.h

[詳解]

/*----------------------------------------------------------------------------
 *      U S B  -  K e r n e l
 *----------------------------------------------------------------------------
 * Name:    usbhw.h
 * Purpose: USB Hardware Layer Definitions
 * Version: V1.20
 *----------------------------------------------------------------------------
 *      This software is supplied "AS IS" without any warranties, express,
 *      implied or statutory, including but not limited to the implied
 *      warranties of fitness for purpose, satisfactory quality and
 *      noninfringement. Keil extends you a royalty-free right to reproduce
 *      and distribute executable files created using this software for use
 *      on NXP Semiconductors LPC microcontroller devices only. Nothing else 
 *      gives you the right to use this software.
 *
 * Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
 *----------------------------------------------------------------------------
 * History:
 *          V1.20 Added USB_ClearEPBuf 
 *          V1.00 Initial Version
 *----------------------------------------------------------------------------*/

#ifndef __USBHW_H__
#define __USBHW_H__


/* USB Error Codes */
#define USB_ERR_PID         0x0001  /* PID Error */
#define USB_ERR_UEPKT       0x0002  /* Unexpected Packet */
#define USB_ERR_DCRC        0x0004  /* Data CRC Error */
#define USB_ERR_TIMOUT      0x0008  /* Bus Time-out Error */
#define USB_ERR_EOP         0x0010  /* End of Packet Error */
#define USB_ERR_B_OVRN      0x0020  /* Buffer Overrun */
#define USB_ERR_BTSTF       0x0040  /* Bit Stuff Error */
#define USB_ERR_TGL         0x0080  /* Toggle Bit Error */

/* USB Hardware Functions */
extern void  USBIOClkConfig (void);
extern void  USB_Init       (void);
extern void  USB_Connect    (uint32_t  con);
extern void  USB_Reset      (void);
extern void  USB_Suspend    (void);
extern void  USB_Resume     (void);
extern void  USB_WakeUp     (void);
extern void  USB_WakeUpCfg  (uint32_t  cfg);
extern void  USB_SetAddress (uint32_t adr);
extern void  USB_Configure  (uint32_t  cfg);
extern void  USB_ConfigEP   (USB_ENDPOINT_DESCRIPTOR *pEPD);
extern void  USB_DirCtrlEP  (uint32_t dir);
extern void  USB_EnableEP   (uint32_t EPNum);
extern void  USB_DisableEP  (uint32_t EPNum);
extern void  USB_ResetEP    (uint32_t EPNum);
extern void  USB_SetStallEP (uint32_t EPNum);
extern void  USB_ClrStallEP (uint32_t EPNum);
extern void  USB_ClearEPBuf (uint32_t EPNum);
extern uint32_t USB_ReadEP  (uint32_t EPNum, uint8_t *pData);
extern uint32_t USB_WriteEP (uint32_t EPNum, uint8_t *pData, uint32_t cnt);
extern uint32_t USB_GetFrame(void);
extern void  USB_IRQHandler (void);

extern void USB_IRQ (void);

#endif  /* __USBHW_H__ */