macusr.h

来自「utisoftware c code for linux,机卡分离方案。」· C头文件 代码 · 共 48 行

/*------------------------------------------------------------
 * USB FIFO register access macro
 *------------------------------------------------------------*/
/* Read/Write USB FIFO register */
#define  USBRD_FF( r, v )		do { ( v ) = ( r ); } while(0) 
 #define  USBWR_FF( r, v )		do { ( r ) = ( v ); } while(0) 

/*------------------------------------------------------------
 * USB register access macro
 *------------------------------------------------------------*/
/* Read/Write USB register */
#define  USBRD( r, v )			do { ( v ) = ( r ); } while(0) 
 #define  USBWR( r, v )			do { ( r ) = ( v ); } while(0) 

/*------------------------------------------------------------
 * USB register bit access macro
 *------------------------------------------------------------*/
/* set bit(s) of USB register	 */
/* r : USB register				 */
/* v : value to set				 */
#define  USB_SET_PAT( r, v )	do { register U16 tmp; USBRD( r, tmp ); tmp |= ( v ); USBWR( r, tmp ); } while(0)

/* reset bit(s) of USB register  */
/* r : USB register				 */
/* m : bit pattern to reset		 */
#define  USB_CLR_PAT( r, m )	do { register U16 tmp;USBRD( r, tmp );tmp &= ( ~(m) ); 	USBWR( r, tmp ); } while(0)

/* modify bit(s) of USB register */
/* r : USB register				 */
/* v : value to set				 */
/* m : bit pattern to modify	 */
#define  USB_MDF_PAT( r, v, m )	do { register U16 tmp; USBRD( r, tmp ); tmp &= ( ~(m) ); tmp |= v; USBWR( r, tmp ); } while(0)

/* reset bit(s) of USB status	 */
/* r : USB register				 */
/* m : bit pattern to reset		 */
#define  USB_CLR_STS( r, m )	USBWR( r, (U16)( ~(m) ) )

/* set bit(s) of USB status		 */
/* r : USB register				 */
/* m : dummy					 */
#define  USB_SET_STS( r, m )	USBWR( r, 0xffff )

/*------------------------------------------------------------
 * Bit Number To Bit macro
 *------------------------------------------------------------*/
#define  BIT( n )				( 1 << n )