2410lib.h

mp4的源码,主要包括loader,usb driver,mp3 decoder,jpeg decoder,mpeg decoder部分.引导部分是基于arm9的s3c2410,部分代码未经过完善.

//===================================================================
// File Name : 2410lib.h
// Function  : S3C2410 
// Program   : Shin, On Pil (SOP)
// Date      : February 26, 2002
// Version   : 0.0
// History
//   0.0 : Programming start (February 20,2002) -> SOP
//===================================================================

#ifndef __2410lib_h__
#define __2410lib_h__

#ifdef __cplusplus
extern "C" {
#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
#define EnterPWDN(clkcon) ((void (*)(int))0x20)(clkcon)


          //Active is low.(LED On)
          // GPF7     GPF4
          //nLED_2  nLED_1

#define  LED_RED_On          rGPFDAT &=(~(1<<4))                                   
#define  LED_RED_Off         rGPEDAT |= (1<<4)                  

#define  LED_GREEN_On          rGPEDAT &= (~(1<<7))
#define  LED_GREEN_Off         rGPEDAT |= (1<<7)


void Port_Init(void);
void Change_Mpll_Value(int m,int p,int s);
void Change_Clock_Divider(int hdivn,int pdivn);
void Delay(U32 time);              //Watchdog Timer is used.

#ifdef __cplusplus
}
#endif

#endif  //__2410lib_h__