usbhal.h

AVR2560 Sample C Code(usb hal.c)

#ifndef __USB_HAL
#define __USB_HAL

/*
#define DISABLE		cli()	// disable globel interrupt
#define ENABLE		sei()	// enable globel interrupt


#define D12_ACTIVATE		PORTD |= _BV( PD3 )
#define D12_SUSPEND			PORTD &= ~_BV( PD3 )


#define D12_DATA		0
#define D12_COMMAND		1

#define D12_RESET		PORTD &= ~_BV( PD5 )
#define D12_RESUME		PORTD |= _BV( PD5 )

#define EROOR	0
#define SUCCESS	1

#define F_CPU 8000000UL
*/

#define USB_NOLAZYCLOCK			0x02
#define USB_CLOCKRUNNING       	0x04
#define USB_INTERRUPTMODE		0x08
#define USB_SOFTCONNECT			0x10
#define USB_ENDP_NONISO			0x00
#define USB_ENDP_ISOOUT			0x40
#define USB_ENDP_ISOIN			0x80
#define USB_ENDP_ISOIO			0xC0

#define USB_CLOCK_12M			0x03
#define USB_CLOCK_4M			0x0b
#define USB_SETTOONE            0x40
#define USB_SOFONLY				0x80

#define USB_DMASINGLE			0x00
#define USB_BURST_4				0x01
#define USB_BURST_8				0x02
#define USB_BURST_16			0x03
#define USB_DMAENABLE           0x04
#define USB_DMA_INTOKEN			0x08
#define USB_AUTOLOAD			0x10
#define USB_NORMALPLUSSOF		0x20
#define USB_ENDP4INTENABLE		0x40
#define USB_ENDP5INTENABLE		0x80	// bug fixed in V2.1

#define __USB_INT_ENDP0OUT		0x01
#define __USB_INT_ENDP0IN		0x02
#define __USB_INT_ENDP1OUT		0x04
#define __USB_INT_ENDP1IN		0x08
#define __USB_INT_ENDP2OUT		0x10
#define __USB_INT_ENDP2IN		0x20
#define __USB_INT_BUSRESET		0x40
#define __USB_INT_SUSPENDCHANGE	0x80
#define __USB_INT_EOT			0x0100

#define USB_SETUPPACKET			0x20

#define USB_BUFFER0FULL			0x20
#define USB_BUFFER1FULL			0x40

#define USB_FULLEMPTY			0x01
#define USB_STALL				0x02

#define USB_DATA				0
#define USB_COMMAND				1

void 			USB_SetAddressEnable(unsigned char bAddress, unsigned char bEnable);
void 			USB_SetEndpointEnable(unsigned char bEnable);
void 			USB_SetMode(unsigned char bConfig, unsigned char bClkDiv);
void 			USB_SetDMA(unsigned char bMode);
unsigned char 	USB_GetDMA(void);
unsigned short 	USB_ReadInterruptRegister(void);
unsigned char 	USB_SelectEndpoint(unsigned char bEndp);
unsigned char 	USB_ReadLastTransactionStatus(unsigned char bEndp);
unsigned char 	USB_ReadEndpointStatus(unsigned char bEndp);
void 			USB_SetEndpointStatus(unsigned char bEndp, unsigned char bStalled);
void 			USB_SendResume(void);
unsigned short 	USB_ReadCurrentFrameNumber(void);
unsigned short 	USB_ReadChipID(void);

unsigned char 	USB_ReadEndpoint( unsigned char endp, unsigned char len, unsigned char* buf );
unsigned char 	USB_WriteEndpoint( unsigned char endp, unsigned char len, unsigned char* buf );
void 			USB_AcknowledgeEndpoint(unsigned char endp);

unsigned char 	USB_ReadMainEndpoint(unsigned char * buf); // V2.2

void 			USB_Ep0Stall(void);

void 			USB_Write(unsigned char command, unsigned char val);
unsigned char 	USB_Read(void);

#endif