基于FPGA的SD卡读写

FPGA SD卡读写 FPGA SD Card Reader

#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\.plugins\org.eclipse.core.resources\.projects\hello_led_0\.markers

    ..A..H.     82944  2005-06-29 01:51  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\hello_led_0\.properties

     目录          0  2007-08-23 22:20  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\hello_led_0

    ..A..H.     82944  2005-07-16 17:04  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\hello_led_0_syslib\.properties

     目录          0  2007-08-23 22:20  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\hello_led_0_syslib

    ..A..H.        69  2005-10-24 11:39  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\Nios II Device Drivers\.location

    ..A..H.     33792  2005-10-24 13:30  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\Nios II Device Drivers\.properties

     目录          0  2007-08-23 22:20  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.projects\Nios II Device Drivers

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

     文件       1545  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.root\95.tree

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

     文件        266  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources\.safetable\org.eclipse.core.resources

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

     目录          0  2007-08-23 22:20  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.resources

     文件         95  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.cdt.core.prefs

     文件         91  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.cdt.ui.prefs

     文件         79  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.ui.prefs

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

     目录          0  2007-08-23 22:20  SD_Card_Audio\.metadata\.plugins\org.eclipse.core.runtime

     文件         65  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.ui.workbench\dialog_settings.xml

     文件       8068  2006-02-27 11:08  SD_Card_Audio\.metadata\.plugins\org.eclipse.ui.workbench\workbench.xml

     目录          0  2007-08-23 22:20  SD_Card_Audio\.metadata\.plugins\org.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\.metadata\version.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_builder\install.ptf

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

     文件       1924  2005-09-14 08:08  SD_Card_Audio\Audio_0.v

............此处省略568个文件信息