dsp.falsh 29f016.write.read.remover.code.txt

DSP操FALSH 29F016包括了 读写和擦除的代码。

DSP操作FALSH 29F016,包括读/写/擦除代码



      #include "ccblkfn.h"
      #include "sysreg.h"
      #include <sys\exception.h>
      #include <cdefBF533.h>
      #define pLight (volatile unsigned char *)0x20200000
      #define pData (volatile unsigned short *)0x4000
      #define pData_out (volatile unsigned short *) 0x7000

      #define pFlashAStartAddress   (volatile unsigned short *)0x20000000
      #define pFlashBStartAddress   (volatile unsigned short *)0x20100000
      #define pFlashAUnlock1Address   (volatile unsigned short 
      *)(pFlashAStartAddress + 0x555)
      #define pFlashAUnlock2Address   (volatile unsigned short 
      *)(pFlashAStartAddress + 0x2aa)
      #define pFlashAManufacturerIDAddress  (volatile unsigned short 
      *)(pFlashAStartAddress + 0x00)
      #define pFlashADeviceIDAddress   (volatile unsigned short 
      *)(pFlashAStartAddress + 0x01)
      #define pFlashBUnlock1Address   (volatile unsigned short 
      *)(pFlashBStartAddress + 0x555)
      #define pFlashBUnlock2Address   (volatile unsigned short 
      *)(pFlashBStartAddress + 0x2aa)
      #define pFlashBManufacturerIDAddress (volatile unsigned short 
      *)(pFlashBStartAddress + 0x00)
      #define pFlashBDeviceIDAddress   (volatile unsigned short 
      *)(pFlashAStartAddress + 0x01)
      #define pFlashSection0OffsetAddress  0x00000
      #define pFlashSection1OffsetAddress  0x08000
      #define pFlashSection2OffsetAddress  0x10000
      #define pFlashSection3OffsetAddress  0x18000
      #define pFlashSection4OffsetAddress  0x20000
      #define pFlashSection5OffsetAddress  0x28000
      #define pFlashSection6OffsetAddress  0x30000
      #define pFlashSection7OffsetAddress  0x38000
      #define pFlashSection8OffsetAddress  0x40000
      #define pFlashSection9OffsetAddress  0x48000
      #define pFlashSection10OffsetAddress  0x50000
      #define pFlashSection11OffsetAddress  0x58000
      #define pFlashSection12OffsetAddress  0x60000
      #define pFlashSection13OffsetAddress  0x68000
      #define pFlashSection14OffsetAddress  0x70000
      #define pFlashSection15OffsetAddress  0x78000
      #define pFlashSection16OffsetAddress  0x7c000
      #define pFlashSection17OffsetAddress  0x7d000
      #define pFlashSection18OffsetAddress  0x7e000
      #define FlashBankA    0
      #define FlashBankB     1
      #define DelayLength    1
      #define OK       1
      #define ERROR       0
      unsigned short Length = 7032, Lily1 = 0;
      unsigned short Array[8] = 
      {0x1234,0x5678,0xabcd,0xf0ab,0x450e,0x98ca,0x6677,0x8899};
      unsigned short Array_out[8] = {0};

      void SDRAM_Init(void)
      {
       //SDRAM Refresh Rate Control Register
       *pEBIU_SDRRC = 0x00000817; 
       //SDRAM Memory Bank Control Register
       *pEBIU_SDBCTL = 0x00000013;
       //SDRAM Memory Global Control Register 
       *pEBIU_SDGCTL = 0x0091998d; 
      }//end Init_SDRAM
       
      void delay(unsigned int DelayValue)
      {
       int i;
       for(i=0;i<DelayValue;i++)
       {
       ;
       } 
      }
      void Init_EBIU(void)
      {
       *pEBIU_AMBCTL0 = 0x7bb07bb0;
       *pEBIU_AMBCTL1 = 0x7bb0fff0;
       *pEBIU_AMGCTL = 0x000f;
      }
      void FlashReset(unsigned char FlashBank)
      {
       if(FlashBank == FlashBankA)
        {
        *pFlashAStartAddress = 0xf0;
        delay(DelayLength);
        }
       else if(FlashBank == FlashBankB)
        {
        *pFlashBStartAddress = 0xf0;
        delay(DelayLength);
        }
      }
      unsigned short FlashGetManufacturerID(unsigned char FlashBank)
      {
      unsigned short FlashValue;
       if(FlashBank == FlashBankA)
        {
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0x90;
        delay(DelayLength);
        FlashValue = *pFlashAManufacturerIDAddress;
        delay(DelayLength);
        }
       else if(FlashBank == FlashBankB)
        {
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0x90;
        delay(DelayLength);
        FlashValue = *pFlashBManufacturerIDAddress;
        delay(DelayLength);
        }
       else
        {
        FlashValue = ERROR;
        }
       return(FlashValue);
      }
      unsigned short FlashGetDeviceID(unsigned char FlashBank)
      {
      unsigned short FlashValue;
       if(FlashBank == FlashBankA)
        {
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0x90;
        delay(DelayLength);
        FlashValue = *pFlashADeviceIDAddress;
        delay(DelayLength);
        }
       else if(FlashBank == FlashBankB)
        {
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0x90;
        delay(DelayLength);
        FlashValue = *pFlashBDeviceIDAddress;
        delay(DelayLength);
        }
       else
        {
        FlashValue = ERROR;
        }
       return(FlashValue);
      }

      void FlashEraserChip(unsigned char FlashBank)
      {
       if(FlashBank == FlashBankA)
        {
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0x80;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0x10;
        delay(DelayLength);
        while((*pFlashAStartAddress) != 0xffff)
         {;
         }
        }
       else if(FlashBank == FlashBankB)
        {
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0x80;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0x10;
        delay(DelayLength);
        while((*pFlashBStartAddress) != 0xffff)
         {;
         }
        }
      }
      void FlashEraseSector(unsigned char FlashBank,unsigned int 
      pFlashSectorOffsetAddress)
      {
       if(FlashBank == FlashBankA)
        {
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0x80;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *(pFlashAStartAddress + pFlashSectorOffsetAddress) = 0x30;
        delay(DelayLength);
        while((*(pFlashAStartAddress + pFlashSectorOffsetAddress)) != 0xffff)
         {;
         }
        }
       else if(FlashBank == FlashBankB)
        {
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0x80;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *(pFlashBStartAddress + pFlashSectorOffsetAddress) = 0x30;
        delay(DelayLength);
        while((*(pFlashBStartAddress + pFlashSectorOffsetAddress)) != 0xffff)
         {;
         }
        }
      }
      void FlashProgarmmeWord(unsigned char FlashBank,unsigned short 
      Value,unsigned int pFlashOffsetAddress)
      {
       if(FlashBank == FlashBankA)
        {
        *pFlashAUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashAUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashAUnlock1Address = 0xa0;
        delay(DelayLength);
        *(pFlashAStartAddress + pFlashOffsetAddress) = Value;
        delay(DelayLength);
        Lily1 = *(pFlashAStartAddress + pFlashOffsetAddress);
        while((*(pFlashAStartAddress + pFlashOffsetAddress)) != Value)
         {;
         }
        }
       else if(FlashBank == FlashBankB)
        {
        *pFlashBUnlock1Address = 0xaa;
        delay(DelayLength);
        *pFlashBUnlock2Address = 0x55;
        delay(DelayLength);
        *pFlashBUnlock1Address = 0xa0;
        delay(DelayLength);
        *(pFlashBStartAddress + pFlashOffsetAddress) = Value;
        delay(DelayLength);
        while((*(pFlashBStartAddress + pFlashOffsetAddress)) != Value)
         {;
         }
        }
      }
      void main(void)
      {    unsigned short readID;
       unsigned short temp, i;
       
       Init_EBIU();
       //SDRAM_Init();
       FlashReset(FlashBankA);
       FlashReset(FlashBankB);
       readID = FlashGetManufacturerID(FlashBankA);//0x0001
       readID = FlashGetDeviceID(FlashBankA);//0x22da
       FlashReset(FlashBankA);
        
       FlashEraserChip(FlashBankA);
       temp = *pFlashAStartAddress;
       
      // FlashProgarmmeWord(FlashBankB, 0x1234, 0x0000);
      // temp = *pFlashBStartAddress;
      /* for ( i=0; i<Length; i++ )
       {
        *(pData_out + i ) = *(pData + i );
       }
      */ 
      /***
       for( i=0; i<8; i++ )
       {
        FlashProgarmmeWord(FlashBankA, Array[i], i );
       }
       
       for( i=0; i<8; i++ )
       {
        Array_out[i] = *(pFlashAStartAddress + i);
       }
      ***/ 
      /********** 向Flash中写代码 ***********/
       for( i=0; i<Length; i++ )
       {
        FlashProgarmmeWord(FlashBankA, *(pData + i ), i );
       }
       
      /********** 从Flash中读代码 ***********/
      /* for( i=0; i<Length; i++ )
       {
        *(pData_out + i) = *(pFlashAStartAddress + i);
       }
       
       temp = *(pFlashBStartAddress + 0);
      */ 
      // FlashEraseSector(FlashBankB, pFlashSection0OffsetAddress);
      // temp = *pFlashBStartAddress;
       
       *pLight = 0x2a;
       
       while(1) 
       {;
       } 
      }