tracker/readraw/readbad.c

/************************************************************
*     20/9/2005 modified by david fedele to read buffer-data
*     instead raw-data-file 
**************************************************************
 * include needed system headers
 */
#include <stdio.h>       /* include standard i/o library */
#include <stdlib.h>      /* include standard library */
#include <string.h>      /* include string library */
#include <unistd.h>      /* include unix standard library */
#include <sys/types.h>   /* */
#include <sys/stat.h>    /* */
#include <fcntl.h>       /* */
#include <errno.h>       /* error simbol definitions */
#include <time.h>        /* system time definitions */
#include <math.h>        /* math library */
/************************************************************
 *     20/9/2005 modified by david fedele                     */
/* void readbad_(unsigned short *bad_buf, int *error, int *fd) */
void getbytes_(int *nbytes, char *buffer, int *p, unsigned int *value);

void readbad_(unsigned short *bad_buf, int *error,char *buffer, int *len,int *curpos)
/**************************************************************/
{
    int i,j,ii,jj;
    unsigned int word;
    unsigned int skip;
    unsigned int bad_buf_temp[64];

    *error=0;
/************************************************************
 *     20/9/2005 modified by david fedele                     */
 /*    int nread; */

/* /\*** read the buffer ***\/ */
/*     nread=read(*fd, bad_buf_temp, 2*64); */
/*     if( nread==0 ) { */
/*      printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); */
/*      *error=1; */
/*      return ; */
/*     } */
/*     if ( nread != 2*64) { */
/*      printf("readbad: Error on reading: nread = %d \n",nread); */
/*      *error=-1; */
/*      return ;  */
/*     } */


/* /\*** correct byte ***\/ //endianess... */
/*     for(i=0; i<64; i++) { */
/*      word = bad_buf_temp[i]; */
/*      bad_buf_temp[i] = ( (word&0x00ff) << 8 ) | ( (word&0xff00) >> 8 ); */
/*     } */


    int nbytes2=2;
    char *buff=buffer;
    
    if( *curpos+(2*64)+2-1>*len ) {
        printf("readbad: Unexpected end of file \n");
        *error=1;
        return ;
    }

    for(i=0; i<64; i++)
        getbytes_(&nbytes2,buff,curpos,&bad_buf_temp[i]);
    
/*****************************************************************/


    for(i=0; i<64; i++) {

        word = bad_buf_temp[i];

        for(j=0; j<16; j++) {
            
            jj=15-j;
            ii=j+i*16;

            bad_buf[ii] = ( (word >> jj) & 0x0001 );


        }
    }
    

//    for( i=0; i<64; i++) printf("%i %x \n",i,bad_buf_temp[i]);//??? */

//    printf("\n");//??? */

//    for( i=0; i<1024; i++) printf("%i %i \n",i,bad_buf[i]);//??? */


//legge la parola di fine ladder... per saltarla...
/************************************************************
 *     20/9/2005 modified by david fedele                     */
/* /\*** read the buffer ***\/ */
/*     nread=read(*fd, &skip, 2); */
/*     if( nread==0 ) { */
/*      printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); */
/*      *error=1; */
/*      return ; */
/*     } */
/*     if ( nread != 2) { */
/*      printf("readbad: Error on reading: nread = %d \n",nread); */
/*      *error=-1; */
/*      return ;  */
/*     } */


/* //    for( i=0; i<64; i++) printf("%x \n",bad_buf[i]);//??? */


/* /\*     *error=0; *\/ */

/* /\* /\\*** read the buffer ***\\/ *\/ */
/* /\*     nread=read(*fd, bad_buf, 2*64); *\/ */
/* /\*     if( nread==0 ) { *\/ */
/* /\*  printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); *\/ */
/* /\*  *error=1; *\/ */
/* /\*  return ; *\/ */
/* /\*     } *\/ */
/* /\*     if ( nread != 2*64) { *\/ */
/* /\*  printf("readbad: Error on reading: nread = %d \n",nread); *\/ */
/* /\*  *error=-1; *\/ */
/* /\*          return ;  *\/ */
/* /\*     } *\/ */


/* /\* /\\*** correct byte ***\\/ //endianess... *\/ */
/* /\*     for(i=0; i<64; i++) { *\/ */
/* /\*  word = bad_buf[i]; *\/ */
/* /\*  bad_buf[i] = ( (word&0x00ff) << 8 ) | ( (word&0xff00) >> 8 ); *\/ */
/* /\*     } *\/ */

/* /\* //legge la parola di fine ladder... per saltarla... *\/ */

/* /\* /\\*** read the buffer ***\\/ *\/ */
/* /\*     nread=read(*fd, &skip, 2); *\/ */
/* /\*     if( nread==0 ) { *\/ */
/* /\*  printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); *\/ */
/* /\*  *error=1; *\/ */
/* /\*  return ; *\/ */
/* /\*     } *\/ */
/* /\*     if ( nread != 2) { *\/ */
/* /\*  printf("readbad: Error on reading: nread = %d \n",nread); *\/ */
/* /\*  *error=-1; *\/ */
/* /\*          return ;  *\/ */
/* /\*     } *\/ */

   
    getbytes_(&nbytes2,buff,curpos,&skip);
    
   /*  if( *curpos-1>*len ) { */
/*       printf("readbad: Unexpected end of file \n"); */
/*       *error=1; */
/*       return ; */
/*     } */
/*****************************************************************/


/* //    for( i=0; i<64; i++) printf("%x \n",bad_buf[i]);//??? */

    return; 
}
1	mocchiut	1.1	/************************************************************
2			* 20/9/2005 modified by david fedele to read buffer-data
3			* instead raw-data-file
4			**************************************************************
5			* include needed system headers
6			*/
7			#include <stdio.h> /* include standard i/o library */
8			#include <stdlib.h> /* include standard library */
9			#include <string.h> /* include string library */
10			#include <unistd.h> /* include unix standard library */
11			#include <sys/types.h> /* */
12			#include <sys/stat.h> /* */
13			#include <fcntl.h> /* */
14			#include <errno.h> /* error simbol definitions */
15			#include <time.h> /* system time definitions */
16			#include <math.h> /* math library */
17			/************************************************************
18			* 20/9/2005 modified by david fedele */
19			/* void readbad_(unsigned short bad_buf, int error, int fd) /
20			void getbytes_(int nbytes, char buffer, int p, unsigned int value);
21
22			void readbad_(unsigned short bad_buf, int error,char buffer, int len,int *curpos)
23			/**************************************************************/
24			{
25			int i,j,ii,jj;
26			unsigned int word;
27			unsigned int skip;
28			unsigned int bad_buf_temp[64];
29
30			*error=0;
31			/************************************************************
32			* 20/9/2005 modified by david fedele */
33			/* int nread; */
34
35			/* /\* read the buffer \/ /
36			/* nread=read(fd, bad_buf_temp, 264); */
37			/* if( nread==0 ) { */
38			/* printf("readbad: Unexpected end of file %d at %d \n",fd,nread); /
39			/* error=1; /
40			/* return ; */
41			/* } */
42			/* if ( nread != 264) { /
43			/* printf("readbad: Error on reading: nread = %d \n",nread); */
44			/* error=-1; /
45			/* return ; */
46			/* } */
47
48
49			/* /\* correct byte \/ //endianess... /
50			/* for(i=0; i<64; i++) { */
51			/* word = bad_buf_temp[i]; */
52			/* bad_buf_temp[i] = ( (word&0x00ff) << 8 ) \| ( (word&0xff00) >> 8 ); */
53			/* } */
54
55
56			int nbytes2=2;
57			char *buff=buffer;
58
59			if( curpos+(264)+2-1>*len ) {
60			printf("readbad: Unexpected end of file \n");
61			*error=1;
62			return ;
63			}
64
65			for(i=0; i<64; i++)
66			getbytes_(&nbytes2,buff,curpos,&bad_buf_temp[i]);
67
68			/*****************************************************************/
69
70
71			for(i=0; i<64; i++) {
72
73			word = bad_buf_temp[i];
74
75			for(j=0; j<16; j++) {
76
77			jj=15-j;
78			ii=j+i*16;
79
80			bad_buf[ii] = ( (word >> jj) & 0x0001 );
81
82
83
84
85			}
86			}
87
88
89			// for( i=0; i<64; i++) printf("%i %x \n",i,bad_buf_temp[i]);//??? */
90
91			// printf("\n");//??? */
92
93			// for( i=0; i<1024; i++) printf("%i %i \n",i,bad_buf[i]);//??? */
94
95
96
97
98
99
100
101
102
103
104
105
106			//legge la parola di fine ladder... per saltarla...
107			/************************************************************
108			* 20/9/2005 modified by david fedele */
109			/* /\* read the buffer \/ /
110			/* nread=read(fd, &skip, 2); /
111			/* if( nread==0 ) { */
112			/* printf("readbad: Unexpected end of file %d at %d \n",fd,nread); /
113			/* error=1; /
114			/* return ; */
115			/* } */
116			/* if ( nread != 2) { */
117			/* printf("readbad: Error on reading: nread = %d \n",nread); */
118			/* error=-1; /
119			/* return ; */
120			/* } */
121
122
123
124
125			/* // for( i=0; i<64; i++) printf("%x \n",bad_buf[i]);//??? */
126
127
128
129
130			/* /\* error=0; \/ */
131
132			/* /\* /\\* read the buffer \\/ \/ */
133			/* /\* nread=read(fd, bad_buf, 264); \/ /
134			/* /\* if( nread==0 ) { \/ /
135			/* /\* printf("readbad: Unexpected end of file %d at %d \n",fd,nread); \/ */
136			/* /\* error=1; \/ */
137			/* /\* return ; \/ /
138			/* /\* } \/ /
139			/* /\* if ( nread != 264) { \/ */
140			/* /\* printf("readbad: Error on reading: nread = %d \n",nread); \/ /
141			/* /\* error=-1; \/ */
142			/* /\* return ; \/ /
143			/* /\* } \/ /
144
145
146			/* /\* /\\* correct byte \\/ //endianess... \/ */
147			/* /\* for(i=0; i<64; i++) { \/ /
148			/* /\* word = bad_buf[i]; \/ /
149			/* /\* bad_buf[i] = ( (word&0x00ff) << 8 ) \| ( (word&0xff00) >> 8 ); \/ /
150			/* /\* } \/ /
151
152			/* /\* //legge la parola di fine ladder... per saltarla... \/ /
153
154			/* /\* /\\* read the buffer \\/ \/ */
155			/* /\* nread=read(fd, &skip, 2); \/ */
156			/* /\* if( nread==0 ) { \/ /
157			/* /\* printf("readbad: Unexpected end of file %d at %d \n",fd,nread); \/ */
158			/* /\* error=1; \/ */
159			/* /\* return ; \/ /
160			/* /\* } \/ /
161			/* /\* if ( nread != 2) { \/ /
162			/* /\* printf("readbad: Error on reading: nread = %d \n",nread); \/ /
163			/* /\* error=-1; \/ */
164			/* /\* return ; \/ /
165			/* /\* } \/ /
166
167
168			getbytes_(&nbytes2,buff,curpos,&skip);
169
170			/* if( curpos-1>len ) { */
171			/* printf("readbad: Unexpected end of file \n"); */
172			/* error=1; /
173			/* return ; */
174			/* } */
175			/*****************************************************************/
176
177
178
179			/* // for( i=0; i<64; i++) printf("%x \n",bad_buf[i]);//??? */
180
181			return;
182			}