Subversion Repositories pentevo

Rev

Rev 908 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 908 Rev 913
Line 2... Line 2...
2 
#define _IHEX_C_
 2 
#define _IHEX_C_
3 
 
 3 
 
4 
// max length of bytes in ihex is 255, thus 512+ chars maximum length. So the value below is sane.
 4 
// max length of bytes in ihex is 255, thus 512+ chars maximum length. So the value below is sane.
5 
#define IHEX_BUF_SZ (1024)
 5 
#define IHEX_BUF_SZ (1024)
6 
 
 6 
 
- 
 
 7 
// maximum sane length of ihex line:
- 
 
 8 
//   1 : semicolon
- 
 
 9 
//   2 : byte length
- 
 
 10 
//   4 : word address
- 
 
 11 
//   2 : byte type
- 
 
 12 
// 510 : hex string of max 255 bytes
- 
 
 13 
//   2 : byte checksum
- 
 
 14 
//   2 : newlines
- 
 
 15 
// =523 bytes
- 
 
 16 
#define MAX_IHEX_LENGTH (523)
- 
 
 17 
 
- 
 
 18 
// types of IHEX recors
- 
 
 19 
#define IHEX_TYPE_DATA     (0)
- 
 
 20 
#define IHEX_TYPE_EOF      (1)
- 
 
 21 
#define IHEX_TYPE_SEGADDR  (2)
- 
 
 22 
#define IHEX_TYPE_STARTSEG (3)
- 
 
 23 
#define IHEX_TYPE_ELINADDR (4)
- 
 
 24 
#define IHEX_TYPE_STARTLIN (5)
- 
 
 25 
 
- 
 
 26 
 
- 
 
 27 
 
7 
// parses intelhex file into the memory area so that low_bound<=every byte's address<high_bound.
 28 
// parses intelhex file into the memory area so that low_bound<=every byte's address<high_bound.
8 
//
 29 
//
9 
// when a byte is put in the buffer, a 'disp' value is added to its address to
 30 
// when a byte is put in the buffer, a 'disp' value is added to its address to
10 
// make index into 'buffer' array.
 31 
// make index into 'buffer' array.
11 
//
 32 
//
Line 19... Line 40...
19 
// detected errors:
 40 
// detected errors:
20 
// - any of file errors
 41 
// - any of file errors
21 
// - intelhex format errors (incl. unknown record types)
 42 
// - intelhex format errors (incl. unknown record types)
22 
// - addressing errors (any byte from intelhex goes outside bounds)
 43 
// - addressing errors (any byte from intelhex goes outside bounds)
23 
// an appropriate error message is printed into stderr
 44 
// an appropriate error message is printed into stderr
24 
//
 - 
 
25 
int parse_ihex(uint8_t * buffer, int32_t disp, int32_t low_bound, int32_t high_bound, uint8_t fill, char * filename);
 45 
int parse_ihex(uint8_t * buffer, int32_t disp, int32_t low_bound, int32_t high_bound, uint8_t fill, char * filename);
26 
 
 46 
 
27 
 
 47 
 
- 
 
 48 
// writes intelhex from memory buffer. addresses are from low_bound to high_bound,
- 
 
 49 
// indices in the buffer are from low_bound+disp to high_bound+disp.
- 
 
 50 
//
- 
 
 51 
// returns zero in case of any errors, otherwise non-zero.
- 
 
 52 
int write_ihex(uint8_t * buffer, int32_t disp, int32_t low_bound, int32_t high_bound, char * filename);
- 
 
 53 
 
28 
#endif // _IHEX_C_
 54 
#endif // _IHEX_C_
29 
 
 55