*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
#include "common.h"
#include "memory.h"
-
/* Convert an ascii string to an hexadecimal number. */
-static unsigned int
+unsigned int
Ascii2Hex( char *istring, int length )
{
- unsigned int result = 0;
- int i, ascii_code;
+ unsigned int result = 0;
+ int i, ascii_code;
- if ( !length || ( length > (int) strlen(istring) ) ) {
- length = strlen(istring);
- }
+ if ( !length || ( length > (int) strlen(istring) ) ) {
+ length = strlen(istring);
+ }
- for ( i = 0; i < length; i++ ) {
- ascii_code = istring[ i ];
- if ( ascii_code > 0x39 ) {
- ascii_code &= 0xDF;
- }
- if ( ( ascii_code >= 0x30 && ascii_code <= 0x39 ) ||
- ( ascii_code >= 0x41 && ascii_code <= 0x46 ) ) {
- ascii_code -= 0x30;
- if ( ascii_code > 9 ) {
- ascii_code -= 7;
- }
- result <<= 4;
- result += ascii_code;
- }
- else {
- printf( "%s: In Ascii2Hex(), syntax error.\n", PACKAGE );
- }
- }
- return result;
+ for ( i = 0; i < length; i++ ) {
+ ascii_code = istring[ i ];
+ if ( ascii_code > 0x39 ) {
+ ascii_code &= 0xDF;
+ }
+ if ( ( ascii_code >= 0x30 && ascii_code <= 0x39 ) ||
+ ( ascii_code >= 0x41 && ascii_code <= 0x46 ) ) {
+ ascii_code -= 0x30;
+ if ( ascii_code > 9 ) {
+ ascii_code -= 7;
+ }
+ result <<= 4;
+ result += ascii_code;
+ }
+ else {
+ printf( "%s: In Ascii2Hex(), syntax error.\n", PACKAGE );
+ }
+ }
+ return result;
}
void
LoadHexFile( const char *filename )
{
- int i, j, RecLength, LoadOffset, RecType, Data, Checksum;
+ int i, j, RecLength, LoadOffset, RecType, Data, Checksum;
#define LINE_BUFFER_LEN 256
- FILE *fp;
- int status;
- char line[LINE_BUFFER_LEN];
+ FILE *fp;
+ int status;
+ char line[LINE_BUFFER_LEN];
- if( filename != NULL ) {
- /* Trying to open the file. */
- fp = fopen( filename, "r" );
- if( fp == NULL ) {
- perror( PACKAGE );
- /*ErrorLocation( __FILE__, __LINE__ );*/
- exit( EXIT_FAILURE );
- }
- }
-
- /* Reading one line of data from the configuration file. */
- /* char *fgets(char *s, int size, FILE *stream);
- Reading stops after an EOF or a newline. If a newline is read, it is
- stored into the buffer. A '\0' is stored after the last character in
- the buffer. */
- while( fgets( line, LINE_BUFFER_LEN, fp ) != NULL ) {
- i = 0;
- Checksum = 0;
+ if (filename == NULL) {
+ printf("%s: No file specified\n", PACKAGE);
+ exit(EXIT_FAILURE);
+ }
+
+ /* Trying to open the file. */
+ fp = fopen( filename, "r" );
+ if( fp == NULL ) {
+ perror( PACKAGE );
+ /*ErrorLocation( __FILE__, __LINE__ );*/
+ exit( EXIT_FAILURE );
+ }
+
+ /* Reading one line of data from the hex file. */
+ /* char *fgets(char *s, int size, FILE *stream);
+ Reading stops after an EOF or a newline. If a newline is read, it is
+ stored into the buffer. A '\0' is stored after the last character in
+ the buffer. */
+ while( fgets( line, LINE_BUFFER_LEN, fp ) != NULL ) {
+ i = 0;
+ Checksum = 0;
- if ( line[ i++ ] != ':' ) {
- printf( "%s: line not beginning with \":\"\n", PACKAGE );
- goto close_file;
- }
+ if ( line[ i++ ] != ':' ) {
+ printf( "%s: line not beginning with \":\"\n", PACKAGE );
+ goto close_file;
+ }
- RecLength = Ascii2Hex( &line[ i ], 2 );
- i += 2;
- Checksum += RecLength;
+ RecLength = Ascii2Hex( &line[ i ], 2 );
+ i += 2;
+ Checksum += RecLength;
- LoadOffset = Ascii2Hex( &line[i], 4 );
- Checksum += LoadOffset / 256;
- Checksum += LoadOffset % 256;
- i += 4;
+ LoadOffset = Ascii2Hex( &line[i], 4 );
+ Checksum += LoadOffset / 256;
+ Checksum += LoadOffset % 256;
+ i += 4;
- RecType = Ascii2Hex( &line[i],2);
- i += 2;
- Checksum += RecType;
+ RecType = Ascii2Hex( &line[i],2);
+ i += 2;
+ Checksum += RecType;
- if ( RecType == 1 ) {
- Checksum += Ascii2Hex( &line[ i ], 2 );
- if ( Checksum &= 0x000000FF ) {
- /* Error. */
- printf( "%s: Invalid format\n", PACKAGE );
- goto close_file;
- }
- else {
- /* OK */
- goto close_file;
- }
- }
+ if ( RecType == 1 ) {
+ Checksum += Ascii2Hex( &line[ i ], 2 );
+ if ( Checksum &= 0x000000FF ) {
+ /* Error. */
+ printf( "%s: Invalid format\n", PACKAGE );
+ goto close_file;
+ }
+ else {
+ /* OK */
+ goto close_file;
+ }
+ }
- for ( j = 0; j < RecLength; j++ ) {
- Data = Ascii2Hex( &line[ i ], 2 );
- memory_write8( PGM_MEM_ID, (unsigned int)(LoadOffset + j), (unsigned char)Data );
- i += 2;
- Checksum += Data;
- }
+ for ( j = 0; j < RecLength; j++ ) {
+ Data = Ascii2Hex( &line[ i ], 2 );
+ memory_write8( PGM_MEM_ID, (unsigned int)(LoadOffset + j), (unsigned char)Data );
+ i += 2;
+ Checksum += Data;
+ }
- RecType = Ascii2Hex( &line[ i ], 2 );
- Checksum += RecType;
+ RecType = Ascii2Hex( &line[ i ], 2 );
+ Checksum += RecType;
- if ( Checksum &= 0x000000FF ) {
- printf( "%s: Invalid format\n", PACKAGE );
- goto close_file;
- }
- }
+ if ( Checksum &= 0x000000FF ) {
+ printf( "%s: Invalid format\n", PACKAGE );
+ goto close_file;
+ }
+ }
- close_file:
- status = fclose( fp );
- if( status != EXIT_SUCCESS ) {
- fprintf( stderr, "%s: Error closing configuration file.\n", PACKAGE );
- /*ErrorLocation( __FILE__, __LINE__ );*/
- exit( EXIT_FAILURE );
- }
+close_file:
+ status = fclose( fp );
+ if( status != EXIT_SUCCESS ) {
+ fprintf( stderr, "%s: Error closing hex file.\n", PACKAGE );
+ /*ErrorLocation( __FILE__, __LINE__ );*/
+ exit( EXIT_FAILURE );
+ }
}
projects / emu8051.git / blobdiff