mcf523x_rng.h

MCS-51的一个Free小型操作系统,在KeilC中下编译工作

/*
 * These files are taken from the MCF523X source code example package
 * which is available on the Freescale website. Freescale explicitly 
 * grants the redistribution and modification of these source files.
 * The complete licensing information is available in the file 
 * LICENSE_FREESCALE.TXT.
 *
 * File:	mcf523x_rng.h
 * Purpose:	Register and bit definitions for the MCF523X
 *
 * Notes:	
 *	
 */

#ifndef __MCF523X_RNG_H__
#define __MCF523X_RNG_H__

/*********************************************************************
*
* Random Number Generator (RNG)
*
*********************************************************************/

/* Register read/write macros */
#define MCF_RNG_RNGCR     (*(vuint32*)(void*)(&__IPSBAR[0x1A0000]))
#define MCF_RNG_RNGSR     (*(vuint32*)(void*)(&__IPSBAR[0x1A0004]))
#define MCF_RNG_RNGER     (*(vuint32*)(void*)(&__IPSBAR[0x1A0008]))
#define MCF_RNG_RNGOUT    (*(vuint32*)(void*)(&__IPSBAR[0x1A000C]))

/* Bit definitions and macros for MCF_RNG_RNGCR */
#define MCF_RNG_RNGCR_GO        (0x00000001)
#define MCF_RNG_RNGCR_HA        (0x00000002)
#define MCF_RNG_RNGCR_IM        (0x00000004)
#define MCF_RNG_RNGCR_CI        (0x00000008)

/* Bit definitions and macros for MCF_RNG_RNGSR */
#define MCF_RNG_RNGSR_SV        (0x00000001)
#define MCF_RNG_RNGSR_LRS       (0x00000002)
#define MCF_RNG_RNGSR_FUF       (0x00000004)
#define MCF_RNG_RNGSR_EI        (0x00000008)
#define MCF_RNG_RNGSR_OFL(x)    (((x)&0x000000FF)<<8)
#define MCF_RNG_RNGSR_OFS(x)    (((x)&0x000000FF)<<16)

/********************************************************************/

#endif /* __MCF523X_RNG_H__ */