spi_drv.lst

这是atmel公司的89C51SND1C的mp3源程序

C51 COMPILER V6.20c  SPI_DRV                                                               07/10/2002 15:17:35 PAGE 1   


C51 COMPILER V6.20c, COMPILATION OF MODULE SPI_DRV
OBJECT MODULE PLACED IN ..\obj\spi_drv.obj
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE ..\..\..\lib\spi\spi_drv.c BROWSE INCDIR(..\src\system;..\..\..\lib) DEFINE
                    -(KEIL) DEBUG OBJECTEXTEND PRINT(.\spi_drv.lst) OBJECT(..\obj\spi_drv.obj) 

stmt level    source

   1          /*C**************************************************************************
   2          * $RCSfile: spi_drv.c,v $
   3          *----------------------------------------------------------------------------
   4          * Copyright (c) 2002 Atmel.
   5          *----------------------------------------------------------------------------
   6          * RELEASE:      $Name: DEMO_FAT_1_2_5 $      
   7          * REVISION:     $Revision: 1.3 $     
   8          * FILE_CVSID:   $Id: spi_drv.c,v 1.3 2002/05/24 09:51:13 njourdan Exp $       
   9          *----------------------------------------------------------------------------
  10          * PURPOSE:
  11          * This file contains the SPI driver routines
  12          *
  13          * NOTES:
  14          * Driver Configuration:
  15          *   - None
  16          * Global Variables:
  17          *   - None
  18          *****************************************************************************/
  19          
  20          /*_____ I N C L U D E S ____________________________________________________*/
  21          
  22          #include "config.h"                         /* lib configuration header */
  23          #include "spi_drv.h"                        /* spi driver definition */
  24          
  25          
  26          /*_____ M A C R O S ________________________________________________________*/
  27          
  28          
  29          /*_____ D E F I N I T I O N ________________________________________________*/
  30          
  31          
  32          /*_____ D E C L A R A T I O N ______________________________________________*/
  33          
  34          
  35          /*F***************************************************************************
  36          * NAME: spi_set_prio
  37          *-----------------------------------------------------------------------------
  38          * PARAMS:
  39          *
  40          * return:
  41          *-----------------------------------------------------------------------------
  42          * PURPOSE:
  43          *   Set the SPI controller priority interrupt
  44          *----------------------------------------------------------------------------
  45          * EXAMPLE:
  46          *----------------------------------------------------------------------------
  47          * NOTE:
  48          *----------------------------------------------------------------------------
  49          * REQUIREMENTS:
  50          ******************************************************************************/
  51          void spi_set_prio (Byte priority)
  52          {
  53   1        if ((priority == 1) || (priority == 3))     /* set LSB priority bit */
  54   1        {
C51 COMPILER V6.20c  SPI_DRV                                                               07/10/2002 15:17:35 PAGE 2   

  55   2          IPL1 |=  MSK_ESPI;
  56   2        }
  57   1        if ((priority == 2) || (priority == 3))     /* set MSB priority bit */
  58   1        {
  59   2          IPH1 |= MSK_ESPI;
  60   2        }
  61   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     23    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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