24xlib.h

三星ARM9 CPU S3C2410 底层开发驱动包-Samsung ARM9 CPU bottom S3C2410 development drive packages

/************************************************
 * NAME    : 24XLIB.H                           *
 * Version : 05.FEBRUARY.2001                   *
 ************************************************/


#ifndef __24xlib_h__
#define __24xlib_h__

#ifdef __cplusplus
extern "C" {
#endif

#define DebugOut Uart_Printf

#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

#define NULL 0

#define EnterPWDN(clkcon) ((void (*)(int))0x20)(clkcon)


/*24blib.c*/
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);
void Uart_Printf(const char *fmt,...);
void Uart_SendString(const 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);

#ifdef __cplusplus
}
#endif

#endif /*__24xlib_h__*/ //KIW CHANGE