bargraph.lst

Keil uVision2下用C语言开发的牛奶巴斯德杀菌嵌入式系统代码

C51 COMPILER V6.21  BARGRAPH                                                               01/23/2002 17:54:56 PAGE 1   


C51 COMPILER V6.21, COMPILATION OF MODULE BARGRAPH
OBJECT MODULE PLACED IN Bargraph.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE Bargraph.c OPTIMIZE(6,SPEED) BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*------------------------------------------------------------------*-
   2          
   3             Bargraph.c (v1.00)
   4          
   5            ------------------------------------------------------------------
   6          
   7             Simple bargraph library.  
   8          
   9          
  10             COPYRIGHT
  11             ---------
  12          
  13             This code is associated with the book:
  14          
  15             EMBEDDED C by Michael J. Pont 
  16             [Pearson Education, 2002: ISBN: 0-201-79523-X].
  17          
  18             This code is copyright (c) 2001 by Michael J. Pont.
  19           
  20             See book for copyright details and other information.
  21          
  22          -*------------------------------------------------------------------*/
  23          
  24          #include "Main.h"
  25          #include "Port.h"
  26          
  27          #include "Bargraph.h"
  28          
  29          // ------ Public variable declarations -----------------------------
  30          
  31          // The data to be displayed
  32          tBargraph Data_G;
  33          
  34          // ------ Private constants ----------------------------------------
  35          
  36          #define BARGRAPH_ON (1)
  37          #define BARGRAPH_OFF (0)
  38          
  39          // ------ Private variables ----------------------------------------
  40          
  41          // These  variables store the thresholds
  42          // used to update the display
  43          static tBargraph M9_1_G;
  44          static tBargraph M9_2_G;
  45          static tBargraph M9_3_G;
  46          static tBargraph M9_4_G;
  47          static tBargraph M9_5_G;
  48          static tBargraph M9_6_G;
  49          static tBargraph M9_7_G;
  50          static tBargraph M9_8_G;
  51          
  52          
  53          /*------------------------------------------------------------------*-
  54          
  55            BARGRAPH_Init()
C51 COMPILER V6.21  BARGRAPH                                                               01/23/2002 17:54:56 PAGE 2   

  56          
  57            Prepare for the bargraph display.
  58          
  59          -*------------------------------------------------------------------*/
  60          void BARGRAPH_Init(void)
  61             {
  62   1         Pin0 = BARGRAPH_OFF;   
  63   1         Pin1 = BARGRAPH_OFF;   
  64   1         Pin2 = BARGRAPH_OFF;   
  65   1         Pin3 = BARGRAPH_OFF;   
  66   1         Pin4 = BARGRAPH_OFF;   
  67   1         Pin5 = BARGRAPH_OFF;   
  68   1         Pin6 = BARGRAPH_OFF;   
  69   1         Pin7 = BARGRAPH_OFF;   
  70   1      
  71   1         // Use a linear scale to display data 
  72   1         // Remember: *9* possible output states
  73   1         // - do all calculations ONCE
  74   1         M9_1_G = (BARGRAPH_MAX - BARGRAPH_MIN) / 9;
  75   1         M9_2_G = M9_1_G * 2;
  76   1         M9_3_G = M9_1_G * 3;
  77   1         M9_4_G = M9_1_G * 4;
  78   1         M9_5_G = M9_1_G * 5;
  79   1         M9_6_G = M9_1_G * 6;
  80   1         M9_7_G = M9_1_G * 7;
  81   1         M9_8_G = M9_1_G * 8;
  82   1         }
  83          
  84          /*------------------------------------------------------------------*-
  85          
  86            BARGRAPH_Update()
  87          
  88            Update the bargraph display.
  89          
  90          -*------------------------------------------------------------------*/
  91          void BARGRAPH_Update(void)
  92             {
  93   1         tBargraph Data = Data_G - BARGRAPH_MIN; 
  94   1      
  95   1         Pin0 = ((Data >= M9_1_G) == BARGRAPH_ON);
  96   1         Pin1 = ((Data >= M9_2_G) == BARGRAPH_ON);
  97   1         Pin2 = ((Data >= M9_3_G) == BARGRAPH_ON);
  98   1         Pin3 = ((Data >= M9_4_G) == BARGRAPH_ON);
  99   1         Pin4 = ((Data >= M9_5_G) == BARGRAPH_ON);
 100   1         Pin5 = ((Data >= M9_6_G) == BARGRAPH_ON);
 101   1         Pin6 = ((Data >= M9_7_G) == BARGRAPH_ON);
 102   1         Pin7 = ((Data >= M9_8_G) == BARGRAPH_ON);
 103   1         }
 104          
 105          /*------------------------------------------------------------------*-
 106            ---- END OF FILE -------------------------------------------------
 107          -*------------------------------------------------------------------*/
 108          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    245    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      9    ----
   IDATA SIZE       =   ----    ----
C51 COMPILER V6.21  BARGRAPH                                                               01/23/2002 17:54:56 PAGE 3   

   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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