44blib.h

S3C44b0x ARM处理器拷贝程序到RAM中运行

/*********************************************************************************************
* File：	44BLIB.H
* Author:	embest	
* Desc：	Samsung 44B0X CPU function declare and common define
* History:	
*********************************************************************************************/

#ifndef __44BLIB_H__
#define __44BLIB_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 	(MCLK/128/(0xff+1))  	//@60Mhz, 128*4us resolution, max 32.53 sec

#define NULL 0

#define EnterPWDN(clkcon) ((void (*)(int))0xe0)(clkcon)
#define DOWNLOAD_ADDRESS _RAM_STARTADDRESS
/* 8led control register address */
#define	LED8ADDR	(*(volatile unsigned char *)(0x2140000))

/*44blib.c*/
void Delay(int time); 				//Watchdog Timer is used.
void DelayMs(int ms_time);
void DelayTime(int num);
void *malloc(unsigned nbyte); 
void free(void *pt);
void Port_Init(void);
void Cache_Flush(void);
void ChangeMemCon(unsigned *pMemCfg);
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(char *fmt,...);
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 LedStatus);
void Beep(int BeepStatus);
void ChangePllValue(int m,int p,int s);
void _Link(void);//memory usage
void sys_init();// Interrupt,Port and UART

#ifdef __cplusplus
}
#endif

#endif /* __44BLIB_H__ */