基于FPGA的SD卡读写


FPGA SD卡读写 FPGA SD Card Reader
资源截图
代码片段和文件信息

#include “basic_io.h“
#include “LCD.h“
#include “SD_Card.h“
#include 

int main(void)
{
  UINT16 i=0Tmp1=0Tmp2=0;
  UINT32 j=720;
  BYTE Buffer[512]={0};
  
  SD_card_init();
  LCD_Test();
  
  while(1)
  {
    SD_read_lba(Bufferj1);
    while(i<512)
    {
      if(!IORD(AUD_FULL_base0))
      {
        Tmp1=(Buffer[i+1]<<8)|Buffer[i];
        IOWR(AUDIO_0_base0Tmp1);
        i+=2;
      }
    }
    if(j%64==0)
    {
      Tmp2=Tmp1*Tmp1;
      IOWR(LED_RED_base0Tmp2);
      IOWR(LED_GREEN_base0Tmp1);
    }
    IOWR(SEG7_DISPLAY_base0j);
    j++;
    i=0;
  }
 
  return 0;
}

//-------------------------------------------------------------------------



 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.         0  2005-06-27 12:34  SD_Card_Audio.metadata.lock

    ..A..H.      5614  2006-02-27 10:59  SD_Card_Audio.metadata.log

    ..A..H.       242  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectshello_led_0.markers

    ..A..H.     82944  2005-06-29 01:51  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectshello_led_0.properties

     目录          0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectshello_led_0

    ..A..H.     82944  2005-07-16 17:04  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectshello_led_0_syslib.properties

     目录          0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectshello_led_0_syslib

    ..A..H.        69  2005-10-24 11:39  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectsNios II Device Drivers.location

    ..A..H.     33792  2005-10-24 13:30  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectsNios II Device Drivers.properties

     目录          0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projectsNios II Device Drivers

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.projects

     文件       1545  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.root95.tree

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.root

     文件        266  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.safetableorg.eclipse.core.resources

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources.safetable

     目录          0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.resources

     文件         95  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.core.runtime.settingsorg.eclipse.cdt.core.prefs

     文件         91  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.core.runtime.settingsorg.eclipse.cdt.ui.prefs

     文件         79  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.core.runtime.settingsorg.eclipse.ui.prefs

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.runtime.settings

     目录          0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.core.runtime

     文件         65  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.ui.workbenchdialog_settings.xml

     文件       8068  2006-02-27 11:08  SD_Card_Audio.metadata.pluginsorg.eclipse.ui.workbenchworkbench.xml

     目录          0  2007-08-23 22:20  SD_Card_Audio.metadata.pluginsorg.eclipse.ui.workbench

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.metadata.plugins

     文件         26  2006-02-27 11:08  SD_Card_Audio.metadataversion.ini

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.metadata

     文件      10319  2006-02-27 10:49  SD_Card_Audio.sopc_builderinstall.ptf

    ...D.H.         0  2007-08-23 22:20  SD_Card_Audio.sopc_builder

     文件       1924  2005-09-14 08:08  SD_Card_AudioAudio_0.v

............此处省略568个文件信息

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