criterr.c

ertfs文件系统里面既有完整ucos程序

#include "pcdisk.h"

char *med_st[] = 
{ 
    "", "BAD_FORMAT",
    "CRERR_NO_CARD", "CRERR_BAD_CARD", "CRERR_CHANGED_CARD",
    "CRERR_CARD_FAILURE" 
};


static void tstshow(PFCHAR str1)
{
    tm_printf_2("%s\n", str1);
}


static void tstshow2(PFCHAR str1, PFCHAR str2)
{
char buf[80];
    tc_strcpy(buf, str1);
    tc_strcat(buf, str2);
    tstshow(buf);
}



int  critical_error_handler(int driveno, int media_status, dword sector)
{

char inbuf[20];
DDRIVE *pdr;
BOOLEAN needs_flush;

// If you don't have console input you may return abort unconditionally
//  return (CRITICAL_ERROR_ABORT);

    pdr = pc_drno_to_drive_struct(driveno);

    if (pdr->fat_is_dirty || pc_test_all_fil(pdr))
        needs_flush = TRUE;
    else
        needs_flush = FALSE;

    tstshow2("Media status == ", med_st[media_status]);
    tstshow2("Volume == ", (PFCHAR)(pdr->volume_label));

    if (needs_flush)
        tstshow("Volume is dirty");
    else
        tstshow("Volume is clean");

    while(1)
    {
        inbuf[0] = 'A'; /* If tm_gets is a noop we will still abort */

        tm_printf( "Type A to abort R to Retry");

        tm_gets( (PFCHAR)inbuf);
        pc_str2upper(inbuf, inbuf);
        if (inbuf[0] == 'A')
            return (CRITICAL_ERROR_ABORT);
        else if (inbuf[0] == 'R')
            return (CRITICAL_ERROR_RETRY);
    }
}