rt-thread/bsp/ls1cdev/libraries/ls1c_public.h

// һЩ<D2BB><D0A9><EFBFBD>õġ<C3B5><C4A1><EFBFBD><EFBFBD>õĽӿ<C4BD>

#ifndef __OPENLOONGSON_PUBLIC_H
#define __OPENLOONGSON_PUBLIC_H


#include <stdio.h>


// pmon<6F>ṩ<EFBFBD>Ĵ<EFBFBD>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>main()<29><><EFBFBD><EFBFBD>
struct callvectors {
	int     (*open) (char *, int, int);
	int     (*close) (int);
	int     (*read) (int, void *, int);
	int     (*write) (int, void *, int);
	long long   (*lseek) (int, long long, int);
	int     (*printf) (const char *, ...);
	void    (*cacheflush) (void);
	char    *(*gets) (char *);
};
#define	myprintf (*callvec->printf)
#define	mygets   (*callvec->gets)
extern struct callvectors *callvec;


#define MIN(a, b)           ((a) > (b) ? (b) : (a))
#define MAX(a, b)           ((a) > (b) ? (a) : (b))

#define DIV_ROUND_UP(n, d)      (((n) + (d) - 1) / (d))

typedef enum
{
    FALSE=0, 
    TRUE=1
}BOOL;

/*
 * <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>1
 * @reg <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 * @bit <EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һbit
 */
void reg_set_one_bit(volatile unsigned int *reg, unsigned int bit);


/*
 * <EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @reg <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 * @bit <EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һbit
 */
void reg_clr_one_bit(volatile unsigned int *reg, unsigned int bit);


/*
 * <EFBFBD><EFBFBD>ȡָ<EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ֵ
 * @reg <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 * @bit <EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ȡֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һbit
 * @ret ָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>ֵ
 */
unsigned int reg_get_bit(volatile unsigned int *reg, unsigned int bit);


/*
 * <EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>8bit(һ<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @data <EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @addr <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 */
void reg_write_8(unsigned char data, volatile unsigned char *addr);


/*
 * <EFBFBD>ӼĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8bit(һ<EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @addr <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 * @ret <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
unsigned char reg_read_8(volatile unsigned char *addr);


/*
 * <EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>дһ<EFBFBD><EFBFBD>32bit<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @data <EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @addr <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 */
void reg_write_32(unsigned int data, volatile unsigned int *addr);


/*
 * <EFBFBD>ӼĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>32bit<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @addr <EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
 * @ret <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
unsigned int reg_read_32(volatile unsigned int *addr);


/**
 * ffs - find first bit set
 * @x: the word to search
 */
int ls1c_ffs(int x);

/*
 * fls - find last (most-significant) bit set
 * @x: the word to search
 *
 * This is defined the same way as ffs.
 * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
 */
int ls1c_fls(int x);


#endif