cftest.c

德国Hyperstone公司dsp的CF卡驱动程序

#include <sys\hyrtk.h>
#include <string.h>
#include <stdio.h>
#include <conio.h>

#include "ioctrl.h"
#include "devctrl.h"
#include "CF.h"
#include <sys/hyrtk.h>

#define TPR_V 0x0c000000
#define HFLAG_V  (0x1<<5)

BOOL Init(void)
{
 long BCR_D;
  
  // set WAIT polarity high and disable INT3
  // polarity non-inverted: high            
  UpdateFCR((1<<26)|(1<<30), (0<<26));

  // enable MEM2 WAIT function
  UpdateMCR(0, (1<<26));

  // Set DRAM access 
//  UpdateBCR((1<<19)|(1<<15)|(1<<17), (1<<18)|(1<<14)|(1<<16));
/*  
  printf("BCR_D= %x\n", BCR_D);
  BCR_D = GetBCR();
  printf("BCR_D= %x\n", BCR_D);
  
  asm volatile ("FETCH 4\n ORI SR, $20\nMOVI BCR, $bb1aa3cb\n"
                 :
                 : "l" (TPR_V)
               ); 

*/
  // initialize 8 bit latch outputs
  SetGPOutput(0, 0xffffffff);

  // switch on LCD voltages
  DelayBy(10000);
  SetGPOutput(GP_OUT0, 0);

  return TRUE;
}


static int CFinstalled = 0;
static int CFnumFiles = 0;
#define MAX_CF_FILES 100
static char CFnames[MAX_CF_FILES][15];
static int CFcurrent = 0;

#define KEYS_CF (KEY0|KEY1|KEY2|KEY3|KEY4|KEY5|KEY6|KEY7|INPUT_PCD1|INPUT_PCD2)

void CheckCF()
{
  struct ffblk ff;
  int done;
  
  DelayBy(200000);
  if (CFinstalled)
  {
    CFinstalled = 0;
    DeInstallLocalFileSystem();
    CFnumFiles = 0;
    CFcurrent = 0;
  }
  if (!CFinstalled)
  {
    if (InstallLocalFileSystem() == 1)
    {
      CFinstalled = 1;
      CFnumFiles = 0;
      CFcurrent = 0;
    }
    else
      DeInstallLocalFileSystem();
  }
}

int n1, n2;

void main(void)
{
    unsigned char val[1000];
    int fh1, fh2;
    int count,i;
    
    if (Init() == FALSE)
      exit(1);

    CheckCF();
    
    if (!CFinstalled)
    {
      // show error message on screen
      printf("No CF card detected");
      exit(1);
    }

    fh1 = open("Z:CFDATA.DAT", O_RDONLY | O_BINARY);
    fh2 = open("Z:CF.DAT", O_CREAT | O_BINARY | O_WRONLY, S_IWRITE);
    
    count = 0;

    do {
      n1 = read(fh1, &val[count], sizeof(unsigned char)*1000);
      count+=1000;
    }while (count < 1000);

    for(i=0;i<1000;i++)
    printf("%c",val[i]);


    count = 0;

    do {
      n2 = write(fh2, &val[count], sizeof(unsigned char)*1000);
      count+=1000;
    }while (count < 1000);

    close(fh1);
    close(fh2);
}