flash.lst

非常全的nrf2401设计资料

C51 COMPILER V7.50   FLASH                                                                 03/05/2008 17:32:46 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE FLASH
OBJECT MODULE PLACED IN .\build\flash.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE flash.c OMF2 ROM(COMPACT) OPTIMIZE(9,SPEED) BROWSE MODC2 MDU_R515 DEBUG PRI
                    -NT(.\list\flash.lst) OBJECT(.\build\flash.obj)

line level    source

   1          /* Copyright (c) 2007 Nordic Semiconductor. All Rights Reserved.
   2           *
   3           * The information contained herein is property of Nordic Semiconductor ASA.
   4           * Terms and conditions of usage are described in detail in NORDIC
   5           * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
   6           *
   7           * Licensees are granted free, non-transferable use of the information. NO
   8           * WARRENTY of ANY KIND is provided. This heading must NOT be removed from
   9           * the file.
  10           *
  11           * $LastChangedRevision: 2290 $
  12           */
  13          
  14          /** @file
  15           * Flash (self) programming functions
  16           *
  17           * @author Ole Saether
  18           *
  19           */
  20          #include <Nordic\reg24lu1.h>
  21          #include "flash.h"
  22          #include "config.h"
  23          
  24          #ifdef USE_USERCLASS
  25          #pragma userclass (code = BOOTLOADER)
  26          #pragma userclass (const = BOOTLOADER)
  27          #endif
  28          
  29          void flash_page_erase(uint8_t pn)
  30          {  
  31   1          // Enable flash write operation:
  32   1          FCR = 0xAA;
  33   1          FCR = 0x55;
  34   1          WEN = 1;
  35   1          //
  36   1          // Write the page address to FCR to start the page erase
  37   1          // operation:
  38   1          FCR = pn;
  39   1          //
  40   1          // Wait for the erase operation to finish:
  41   1          while(RDYN == 1)
  42   1              ;
  43   1          WEN = 0;
  44   1      }
  45          
  46          void flash_bytes_write(uint16_t a, uint8_t xdata *p, uint16_t n)
  47          {
  48   1          uint8_t xdata *data pb;
  49   1      
  50   1          // Enable flash write operation:
  51   1          FCR = 0xAA;
  52   1          FCR = 0x55;
  53   1          WEN = 1;
  54   1          //
C51 COMPILER V7.50   FLASH                                                                 03/05/2008 17:32:46 PAGE 2   

  55   1          // Write the bytes directly to the flash:
  56   1          pb = (uint8_t xdata *)a;
  57   1          while(n--)
  58   1          {
  59   2              *pb++ = *p++;
  60   2              //
  61   2              // Wait for the write operation to finish:
  62   2              while(RDYN == 1)
  63   2                  ;
  64   2          }
  65   1          WEN = 0;
  66   1      }
  67          
  68          void flash_bytes_read(uint16_t a, uint8_t xdata *p, uint16_t n)
  69          {
  70   1          uint8_t xdata *pb = (uint8_t xdata *)a;
  71   1          while(n--)
  72   1          {
  73   2              *p = *pb;
  74   2              pb++;
  75   2              p++;
  76   2          }
  77   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    131    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       8
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
   EDATA SIZE       =   ----    ----
   HDATA SIZE       =   ----    ----
   XDATA CONST SIZE =   ----    ----
   FAR CONST SIZE   =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)