usbd12.h

开发环境ADS 通过编写一段程序使PC机与实验箱的从USB相连接。连接的时候

/************************************************************************
 *File	: Usbd12.h															*
 *By 	: hugang, [e-mail]								*
 ************************************************************************/ 

#ifndef __USBD12_H__
#define __USBD12_H__

#define USB_D12_NOLAZYCLOCK			0x02
#define USB_D12_CLOCKRUNNING		0x04
#define USB_D12_INTERRUPTMODE		0x08
#define USB_D12_SOFTCONNECT			0x10
#define USB_D12_ENDP_NONISO			0x00
#define USB_D12_ENDP_ISOOUT			0x40
#define USB_D12_ENDP_ISOIN			0x80
#define USB_D12_ENDP_ISOIO			0xC0

#define USB_D12_CLOCK_12M			0x03
#define USB_D12_CLOCK_4M			0x0b
#define USB_D12_SETTOONE			0x40
#define USB_D12_SOFONLY				0x80

#define USB_D12_DMASINGLE			0x00
#define USB_D12_BURST_4				0x01
#define USB_D12_BURST_8				0x02
#define USB_D12_BURST_16			0x03
#define USB_D12_DMAENABLE			0x04
#define USB_D12_DMA_INTOKEN			0x08
#define USB_D12_AUTOLOAD			0x10
#define USB_D12_NORMALPLUSSOF		0x20
#define USB_D12_ENDP4INTENABLE		0x40
#define USB_D12_ENDP5INTENABLE		0x80

#define USB_D12_INT_ENDP0OUT		0x01
#define USB_D12_INT_ENDP0IN			0x02
#define USB_D12_INT_ENDP1OUT		0x04
#define USB_D12_INT_ENDP1IN			0x08
#define USB_D12_INT_ENDP2OUT		0x10
#define USB_D12_INT_ENDP2IN			0x20
#define USB_D12_INT_BUSRESET		0x40
#define USB_D12_INT_SUSPENDCHANGE	0x80
#define USB_D12_INT_EOT				0x0100

#define USB_D12_SETUPPACKET			0x20

#define USB_D12_BUFFER0FULL			0x20
#define USB_D12_BUFFER1FULL			0x40

#define USB_D12_FULLEMPTY			0x01
#define USB_D12_STALL				0x02

#define USB_D12_SUCCESS				0x01

void UsbSetAddressEnable(unsigned char bAddress, unsigned char bEnable);
void UsbSetEndpointEnable(unsigned char bEnable);
void UsbSetMode(unsigned char bConfig, unsigned char bClkDiv);
void UsbSetDMA(unsigned char bMode);
void UsbSetEndpointStatus(unsigned char bEndp, unsigned char bStalled);
void UsbSendResume(void);
void UsbAcknowledgeEndpoint(unsigned char endp);
unsigned char  UsbSelectEndpoint(unsigned char bEndp);
unsigned char  UsbReadLastTransactionStatus(unsigned char bEndp);
unsigned char  UsbReadEndpointStatus(unsigned char bEndp);
unsigned char  UsbReadEndpoint(unsigned char endp, unsigned char * buf, unsigned char len);
unsigned char  UsbWriteEndpoint(unsigned char endp, unsigned char * buf, unsigned char len);
unsigned short UsbReadInterruptRegister(void);
unsigned short UsbReadCurrentFrameNumber(void);

#endif /*__USBD12_H__*/