hal_flash.lst

非常全的nrf2401设计资料

C51 COMPILER V7.50   HAL_FLASH                                                             04/09/2009 10:12:50 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE HAL_FLASH
OBJECT MODULE PLACED IN .\build\hal_flash.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ..\..\..\..\arch\hal\nrf24lu1\hal_flash.c LARGE OMF2 OPTIMIZE(9,SPEED) BROW
                    -SE INCDIR(..\common;..\..\..\..\comp\protocol\wdp\common\;..\..\..\..\comp\protocol\wdp\host\;..\..\..\..\arch\hal\inclu
                    -de;..\..\..\..\arch\hal\nrf24lu1;..\..\..\..\arch\nrf24lu1;..\common;..\..\..\..\comp\protocol\fap) DEBUG PRINT(.\lst\ha
                    -l_flash.lst) OBJECT(.\build\hal_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           * Implementation of the Flash HAL module
  16           * @author Ole Saether
  17           */
  18          
  19          #include <Nordic\reg24lu1.h>
  20          #include "hal_flash.h"
  21          
  22          void hal_flash_page_erase(uint8_t pn)
  23          {
  24   1          // Save interrupt enable state and disable interrupts:
  25   1          F0 = EA;
  26   1          EA = 0;
  27   1          // Enable flash write operation:
  28   1          FCR = 0xAA;
  29   1          FCR = 0x55;
  30   1          WEN = 1;
  31   1          //
  32   1          // Write the page address to FCR to start the page erase operation. This
  33   1          // operation is "self timed" when executing from the flash; the CPU will
  34   1          // halt until the operation is finished:
  35   1          FCR = pn;
  36   1          //
  37   1          // When running from XDATA RAM we need to wait for the operation to finish:
  38   1          while(RDYN == 1)
  39   1              ;
  40   1          WEN = 0;
  41   1          EA = F0; // Restore interrupt enable state
  42   1      }
  43          
  44          void hal_flash_byte_write(uint16_t a, uint8_t b)
  45          {
  46   1          uint8_t xdata *data pb;
  47   1          
  48   1          // Save interrupt enable state and disable interrupts:
  49   1          F0 = EA;
  50   1          EA = 0;
  51   1          // Enable flash write operation:
  52   1          FCR = 0xAA;
C51 COMPILER V7.50   HAL_FLASH                                                             04/09/2009 10:12:50 PAGE 2   

  53   1          FCR = 0x55;
  54   1          WEN = 1;
  55   1          //
  56   1          // Write the byte directly to the flash. This operation is "self timed" when
  57   1          // executing from the flash; the CPU will halt until the operation is
  58   1          // finished:
  59   1          pb = (uint8_t xdata *)a;
  60   1          *pb = b;
  61   1          //
  62   1          // When running from XDATA RAM we need to wait for the operation to finish:
  63   1          while(RDYN == 1)
  64   1              ;
  65   1          WEN = 0;
  66   1          EA = F0; // Restore interrupt enable state
  67   1      }
  68          
  69          void hal_flash_bytes_write(uint16_t a, uint8_t *p, uint16_t n)
  70          {
  71   1          uint8_t xdata *data pb;
  72   1      
  73   1          // Save interrupt enable state and disable interrupts:
  74   1          F0 = EA;
  75   1          EA = 0;
  76   1          // Enable flash write operation:
  77   1          FCR = 0xAA;
  78   1          FCR = 0x55;
  79   1          WEN = 1;
  80   1          //
  81   1          // Write the bytes directly to the flash. This operation is
  82   1          // "self timed"; the CPU will halt until the operation is
  83   1          // finished:
  84   1          pb = (uint8_t xdata *)a;
  85   1          while(n--)
  86   1          {
  87   2              //lint --e{613} Suppress possible use of null pointer warning:
  88   2              *pb++ = *p++;
  89   2              //
  90   2              // When running from XDATA RAM we need to wait for the operation to
  91   2              // finish:
  92   2              while(RDYN == 1)
  93   2                  ;
  94   2          }
  95   1          WEN = 0;
  96   1          EA = F0; // Restore interrupt enable state
  97   1      }
  98          
  99          uint8_t hal_flash_byte_read(uint16_t a)
 100          {
 101   1          //lint --e{613} Suppress possible use of null pointer warning:
 102   1          uint8_t xdata *pb = (uint8_t xdata *)a;
 103   1          return *pb;
 104   1      }
 105          
 106          void hal_flash_bytes_read(uint16_t a, uint8_t *p, uint16_t n)
 107          {  
 108   1          uint8_t xdata *pb = (uint8_t xdata *)a;
 109   1          while(n--)
 110   1          {
 111   2              //lint --e{613} Suppress possible use of null pointer warning:
 112   2              *p = *pb;
 113   2              pb++;
 114   2              p++;
C51 COMPILER V7.50   HAL_FLASH                                                             04/09/2009 10:12:50 PAGE 3   

 115   2          }
 116   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    176    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----      14
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   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)