24a0lib.h

s3c24a0固件测试代码 ? ? ? ? ?啊

//************************************************ 
// NAME    : 24a0lib.h
// DESC	  : library functions
// History : 01.08.2004 ver 0.0 
//************************************************

#ifndef __24a0lib_h__
#define __24a0lib_h__

#ifdef __cplusplus
extern "C" {
#endif

#include "option.h"

#if USE_MAIN
#include <stdio.h>
#define Uart_Printf printf
#endif

#define min(x1,x2) (((x1)<(x2))? (x1):(x2))
#define max(x1,x2) (((x1)>(x2))? (x1):(x2))

#define ONESEC0	    (62500)//16us resolution, max 1.04 sec
#define ONESEC1	    (31250)//32us resolution, max 2.09 sec
#define ONESEC2	    (15625)//64us resolution, max 4.19 sec
#define ONESEC3	    (7812)//128us resolution, max 8.38 sec
#define ONESEC4	    (PCLK/128/(0xff+1))//@60Mhz, 128*4us resolution, max 32.53 sec


//Definition of SDRAM Parameter for K4S56163LC-RG/S75
#define MINREFCYC   (390)
#define REFPER	    (780)
#define MINRAS1	    (45000)//Tras1*1000
#define MINRC1	    (65000)//Trc1*1000
#define MINRCD1	    (20000)//Trrcd1*1000
#define MINRP1	    (20000)//Trp1*1000

//Definition of SROM Parameter for 28F256K3.
#define MINACC0	    (120000)//Tacc0*1000
#define MINACC1	    (120000)//Tacc1*1000
#define MINACC2	    (120000)//Tacc2*1000

#define NULL 0

void Delay(int time);	//Watchdog Timer is used.

void *malloc(unsigned nbyte); 
void free(void *pt);

void Port_Init(void);
void Uart_Select(int ch);
void Uart_TxEmpty(int ch);
void Uart_Init(int mclk,int baud);
char Uart_Getch(void);
char Uart_GetKey(void);
int  Uart_GetIntNum(void);
void Uart_SendByte(int data);

#if !USE_MAIN
void Uart_Printf(const char *fmt,...);
#endif

void Uart_SendString(char *pt);

void Timer_Start(int divider);    //Watchdog Timer is used.
int  Timer_Stop(void);            //Watchdog Timer is used.

void Led_Display(int data);

void ChangeMPllValue(int m,int p,int s);
//void ChangeClockDivider(int hdivn,int pdivn);
void ChangeUPllValue(int m,int p,int s);

void ChangeSdramParameter(unsigned int hclk);
void PreChangeSdramParameter(void);
void ChangeSromParameter(unsigned int hclk, int bank);
void PreChangeSromParameter(int bank);


#ifdef __cplusplus
}
#endif

#endif  //__24a0lib_h__