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          EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > s3c2440頭文件之2440lib.h

          s3c2440頭文件之2440lib.h

          作者: 時間:2016-11-11 來源:網(wǎng)絡(luò) 收藏
          //===================================================================

          // File Name : 2440lib.h
          // Function : S3C2440
          // Date : February 26, 2002
          // Version : 0.0
          // History
          // 0.0 :Feb.20.2002:SOP : Programming start
          // 0.01:Mar.29.2002:purnnamu: For Sleep_wake_up, the START... label is added
          //===================================================================

          本文引用地址:http://www.ex-cimer.com/article/201611/316746.htm

          #ifndef __2440lib_h__
          #define __2440lib_h__

          #ifdef __cplusplus
          extern "C" {
          #endif

          #include "option.h"

          #if USE_MAIN
          #include
          #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

          #define NULL 0

          #define EnterPWDN(clkcon) ((void (*)(int))0x20)(clkcon)
          void StartPointAfterSleepWakeUp(void); //purnnamu:Mar.29.2002


          // 2440lib.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);
          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 ChangeClockDivider(int hdivn_val,int pdivn_val);
          void ChangeUPllValue(int m,int p,int s);
          void ChangeMPllValue(int m,int p,int s);


          #ifdef __cplusplus
          }
          #endif

          #endif //__2440lib_h__



          關(guān)鍵詞: s3c2440頭文

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