inflash.lst

基于MST-G240128点阵液晶的 状态机机制 人机界面四级滚屏菜单 源代码 ,带时间片机制模拟操作系统

C51 COMPILER V7.05   INFLASH                                                               08/27/2006 23:31:34 PAGE 1   


C51 COMPILER V7.05, COMPILATION OF MODULE INFLASH
OBJECT MODULE PLACED IN InFLASH.OBJ
COMPILER INVOKED BY: D:\SilabIDE\IDEfiles\C51\BIN\C51.exe InFLASH.c DB OE

stmt level    source

*** WARNING C500 IN LINE 1 OF INFLASH.C: MISSING DEVICE (SECURITY KEY NOT FOUND)
   1          /****************************************************************************
   2           **
   3           ** 文件名：  InFLASH.c
   4           ** 功能：    C8051Fxxx的片内FLASH读写驱动；
   5           ** 创建时间：2005.08.05
   6          
   7           ** 修改时间：2005.12.01
   8           ** 修改说明：
   9          
  10           ** 作者：    李立学
  11           ** 版权申明：可以拷贝，可以修改，但必须保留修改时间和作者信息
  12           ** 
  13           ****************************************************************************/
  14          
  15          
  16          #include "LZK.H"                  
*** ERROR C141 IN LINE 73 OF LZK.H: syntax error near '/', expected '='
*** ERROR C202 IN LINE 73 OF LZK.H: 'R0': undefined identifier
  17          
  18          
  19          uint16 xdata *InFlashWrPtr;
  20          uint16 code  *InFlashRdPtr;
  21          
  22          /****************************************************************************
  23          ** 函数名称: InFlash_Init()
  24          ** 功能描述: 内部FLASH初始化.
  25          ** 入口参数: InFlashAddr：要初始化的FLASH块首地址；
  26          ** 出口参数: bit：0/1：操作失败/成功.
  27          ** 全局变量: 无
  28          ** 调用模块: 无
  29          ** 说明:
  30          ****************************************************************************/
  31          bit InFlash_Init( uint16 InFlashAddr )
  32          {
  33   1         if( ( InFlashAddr % 0x200 ) != 0 )   // Must a Block Start Address.
  34   1            return 0;                         // Fail.
  35   1      //FLSCL: FLASH Memory Control
  36   1      //  Bit7   Bit6   Bit5   Bit4   Bit3   Bit2   Bit1   Bit0
  37   1      //  FOSE   FRAE   Res    Res    Res    Res    Res    FLWE
  38   1      //Bit7: FOSE: FLASH One-Shot Timer Enable  This isth e timer that turnso ff the sense ampsaf ter a FLASH r
             -ead.
  39   1      //      0: FLASH One-Shot Timer disabled.
  40   1      //      1: FLASH One-Shot Timer enabled (recommended setting.)
  41   1      //Bit6: FRAE: FLASH Read AlwaysE nable
  42   1      //      0: FLASH readso ccur asn ecessary (recommended setting.).
  43   1      //      1: FLASH reads occur every system clock cycle.
  44   1      //Bits5-1: RESERVED. Read = 00000b. Must Write 00000b.
  45   1      //Bit0: FLWE: FLASH Read/Write Enable   This bit must be set to allow FLASH writes from user software.
  46   1      //      0: FLASH writesd isabled.
  47   1      //      1: FLASH writesen abled.
  48   1      
  49   1      //PSCTL: Program Store Read/Write Control
  50   1      //  Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
  51   1      //   -    -    -    -    -   SFLE PSEE PSWE
C51 COMPILER V7.05   INFLASH                                                               08/27/2006 23:31:34 PAGE 2   

  52   1      //Bits7-3: UNUSED. Read = 00000b, Write = don't care.
  53   1      //Bit2: SFLE: Scratchpad FLASH Memory Access Enable   When thisb it iss et, FLASH reads and writesfro m us
             -er software are directed to the 128-byte Scratchpad
  54   1      //            FLASH sector. When SFLE is set to logic 1, FLASH accesses out of the address range 0x00-0x7F
             - should not be attempted. Reads/Writes out of this range will yield undefined results.
  55   1      //      0: FLASH access from user software directed to the 64k byte Program/Data FLASH sector.
  56   1      //      1: FLASH access from user software directed to the 128 byte Scratchpad sector.
  57   1      //Bit1: PSEE: Program Store Erase Enable.  Setting thisb it allowsan entire page of the FLASH program memo
             -ry to be erased provided thePSWE bit is also set.
  58   1      //            After setting this bit, a write to FLASH memory using the MOVX instruction will erase the en
             -tire page that contains the location addressed by the MOVX instruction. 
  59   1      //            The value of the data byte written doesn ot matter. Note: The FLASH page containing the Read
             - Lock Byte and Write/Erase Lock Bytes cannot be erased by software.
  60   1      //      0: FLASH program memory erasure disabled.
  61   1      //      1: FLASH program memory erasure enabled.
  62   1      //Bit0: PSWE: Program Store Write Enable.   Setting thisb it allowswr iting a byte of data to the FLASH pr
             -ogram memory using the MOVX write instruction. The location must be erased prior to writing data.
  63   1      //      0: Write to FLASH program memory disabled. MOVX write operations target External RAM.
  64   1      //      1: Write to FLASH program memory enabled. MOVX write operationst arget FLASH memory.
  65   1      
  66   1         SFRPAGE = 0x00;
  67   1      
  68   1         FLSCL = 0x81;
  69   1         PSCTL = 0x03;
  70   1      
  71   1         InFlashWrPtr = InFlashAddr;
  72   1         *InFlashWrPtr = 0;
  73   1      
  74   1         PSCTL = 0x01;
  75   1         return 1;
  76   1      }
  77          
  78          /****************************************************************************
  79          ** 函数名称: InFlashWriteEn()
  80          ** 功能描述: 内部FLASH写使能.
  81          ** 入口参数: InFwEN：1：允许写入；
  82          ** 出口参数: 无.
  83          ** 全局变量: 无
  84          ** 调用模块: 无
  85          ** 说明:
  86          ****************************************************************************/
  87          void InFlashWriteEn(bit InFwEN)
  88          {
  89   1         SFRPAGE = 0x00;
  90   1      
  91   1         if( InFwEN == 1 )
  92   1           FLSCL = FLSCL | 0x01;
  93   1         else
  94   1           FLSCL = FLSCL & 0xfe;
  95   1      }
  96          
  97          /****************************************************************************
  98          ** 函数名称: InFlashEraseEn()
  99          ** 功能描述: 内部FLASH块擦除使能.
 100          ** 入口参数: InFeEN：1：允许块擦除；
 101          ** 出口参数: 无.
 102          ** 全局变量: 无.
 103          ** 调用模块: 无.
 104          ** 说明:
 105          ****************************************************************************/
 106          void InFlashEraseEn(bit InFeEN)
 107          {
C51 COMPILER V7.05   INFLASH                                                               08/27/2006 23:31:34 PAGE 3   

 108   1         SFRPAGE = 0x00;
 109   1      
 110   1         if( InFeEN == 1 )
 111   1           PSCTL = PSCTL | 0x02;
 112   1         else
 113   1           PSCTL = PSCTL & 0xfd;
 114   1      }

C51 COMPILATION COMPLETE.  1 WARNING(S),  2 ERROR(S)