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          s3c2440頭文件之Option.h

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

          NAME: option.h
          DESC: To measuure the USB download speed, the WDT is used.
          To measure up to large time, The WDT interrupt is used.
          HISTORY:
          Feb.20.2002:Shin, On Pil: Programming start
          Mar.25.2002:purnnamu: S3C2400X profile.c is ported for S3C2440X.
          Jan.E.2004:DonGo: Modified for S3C2440a.
          **************************************************************/

          #ifndef __OPTION_H__
          #define __OPTION_H__

          本文引用地址:http://www.ex-cimer.com/article/201611/316743.htm

          #ifdef __cplusplus
          extern "C" {
          #endif

          #include "def.h"
          #ifndef ADS10
          #define ADS10 TRUE
          #endif
          #define USE_MAINFALSE // change USE_MAIN value in option.a together
          #define SEMIHOSTINGFALSE

          //USE_MAIN & SEMIHOSTING are valid only if ADS10==TRUE.
          #if !ADS10
          #undef USE_MAIN
          #define USE_MAINFALSE
          #endif
          #if !USE_MAIN
          #undef SEMIHOSTING
          #define SEMIHOSTINGFALSE
          #endif

          #define MEGA(1000000)

          ///////////////////// clock select ///////////////////////////////////////////////
          #define CPU2440ATRUE// else CPU2440X

          #define FIN (12000000)
          //#define FIN(16934400)

          // Main clock
          #if FIN==12000000
          #define FCLK 304800000
          //#define FCLK 304800000
          //#define FCLK 400000000
          //#define FCLK 451200000
          //#define FCLK 532800000
          #if FCLK==271500000
          #define HCLK (FCLK/2)
          #define PCLK (HCLK/2)
          #elif FCLK==304800000
          #define HCLK (FCLK/3)
          #define PCLK (HCLK/2)
          #elif FCLK==400000000
          #define HCLK (FCLK/3)
          #define PCLK (HCLK/2)
          #elif FCLK==451200000
          #define HCLK (FCLK/4)
          #define PCLK (HCLK/2)
          #elif FCLK==532800000
          #define HCLK (FCLK/4)
          #define PCLK (HCLK/2)
          #endif
          #else//FIN=16.9344MHz
          #define FCLK 296352000
          #if FCLK==266716800
          #define HCLK (FCLK/2)
          #define PCLK (HCLK/2)
          #elif FCLK==296352000
          #define HCLK (FCLK/3)
          #define PCLK (HCLK/2)
          #elif FCLK==399651840
          #define HCLK (FCLK/3)
          #define PCLK (HCLK/2)
          #elif FCLK==530611200
          #define HCLK (FCLK/4)
          #define PCLK (HCLK/2)
          #elif FCLK==541900800
          #define HCLK (FCLK/4)
          #define PCLK (HCLK/2)
          #endif
          #endif
          /////////////////////////////////////////////////////////////////////

          // USB clock
          #define UCLK 48000000

          // BUSWIDTH : 16,32
          #define BUSWIDTH (32)

          //64MB
          // 0x30000000 ~ 0x30ffffff : Download Area (16MB) Cacheable
          // 0x31000000 ~ 0x33feffff : Non-Cacheable Area
          // 0x33ff0000 ~ 0x33ff47ff : Heap & RW Area
          // 0x33ff4800 ~ 0x33ff7fff : FIQ ~ User Stack Area
          // 0x33ff8000 ~ 0x33fffeff : Not Useed Area
          // 0x33ffff00 ~ 0x33ffffff : Exception & ISR Vector Table

          #define_RAM_STARTADDRESS 0x30000000
          #define_ISR_STARTADDRESS 0x33ffff00
          #define_MMUTT_STARTADDRESS0x33ff8000
          #define_STACK_BASEADDRESS0x33ff8000
          #define_NONCACHE_STARTADDRESS0x31000000
          #if !USE_MAIN
          #define HEAPEND 0x43ff0000 //obsolete if USE_MAIN is TRUE.
          #endif

          //USB Device Options
          #define USBDMA1
          #define USBDMA_DEMAND 0//the downloadFileSize should be (64*n)
          #define BULK_PKT_SIZE64

          #defineUPDATE_REFRESH(IN_HCLK)( rREFRESH = (rREFRESH & ~(0x7ff)) | 2049-(U32)((float)IN_HCLK*7.8/1000000) )

          //CLKSEL0/1 Clock selection value define
          #defineCLK_HCLK(3)
          #defineCLK_PCLK(4)
          #defineCLK_DCLK(5)


          #ifdef __cplusplus
          }
          #endif
          #endif /*__OPTION_H__*/



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