#include #include #include #include #include #include #include #define TARGET_NAME_DFU "DfuDump" void print_help( void ); int hex2bin( unsigned char *obuf, const char *ibuf, int len ); int check_checksum( unsigned char *inbuf, int len ); unsigned char *ihex2bin_buf( unsigned int *start_address, int *dst_len, FILE * inFile, unsigned int max_address ); uint32_t crc32( uint32_t crc, const void *buf, size_t size ); const unsigned int crc32_tab[] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; unsigned int crc32( unsigned int crc, const void *buf, size_t size ) { const unsigned char *p; p = buf; crc = crc ^ ~0U; while( size-- ) crc = crc32_tab[( crc ^ *p++ ) & 0xFF] ^ ( crc >> 8 ); return crc ^ ~0U; } int main( int argc, char **argv ) { int i, c, option, vid = 0x0483, pid = 0xdf11, ver = 0xffff; char *tar0, *out_fn, *p, *tar0_lab = NULL; FILE *inFile, *outFile; unsigned int max_address = 0x08200000; unsigned int tar0_start_address; int tar0_len; unsigned char *tar0_buf; unsigned char *dfu; int dfu_len; unsigned int crc = 0, tmp, add_crc32 = 0; opterr = 0; do { option = getopt( argc, argv, "hv:p:d:l:c:E:" ); switch ( option ) { case 'l': // target0 label tar0_lab = optarg; break; case 'p': // PID pid = strtol( optarg, NULL, 16 ); break; case 'v': // VID vid = strtol( optarg, NULL, 16 ); break; case 'd': // device version ver = strtol( optarg, NULL, 16 ); break; case 'c': // place crc32 at this address add_crc32 = strtol( optarg, NULL, 16 ); break; case 'E': // max address max_address = strtol( optarg, NULL, 16 ); break; case 'h': print_help( ); break; case '?': fprintf( stderr, "Parameter(s) parsing failed!\r\n" ); print_help( ); break; case EOF: // no more options break; default: fprintf( stderr, "getopt returned impossible value: %d ('%c')\r\n", option, option ); } } while( option != EOF ); if ( optind == argc ) { fprintf( stderr,"No input file specifed.\r\n\r\n" ); print_help( ); } tar0 = argv[optind++]; inFile = fopen( tar0, "rt" ); tar0_buf = ihex2bin_buf( &tar0_start_address, &tar0_len, inFile, max_address ); fclose( inFile ); if( tar0_buf && ( tar0_len > 0 ) ) { if( ( add_crc32 > 0 ) && ( add_crc32 < ( tar0_start_address + tar0_len - 256 ) ) ) { // -c request CRC32 placement at given // address add_crc32 -= tar0_start_address; tar0_buf[add_crc32 + 4] = tar0_len >> 0 & 0xFF; // binary code length // // first(little // endian) tar0_buf[add_crc32 + 5] = tar0_len >> 8 & 0xFF; tar0_buf[add_crc32 + 6] = tar0_len >> 16 & 0xFF; tar0_buf[add_crc32 + 7] = tar0_len >> 24 & 0xFF; crc = crc32( 0, tar0_buf, add_crc32 ); // calc CRC upto placement // address crc = crc32( crc, tar0_buf + add_crc32 + 4, tar0_len - ( add_crc32 + 4 ) ); // calc the rest of - starting from placement+4 up to end tar0_buf[add_crc32] = crc >> 0 & 0xFF; // CRC placement (little // // endian) tar0_buf[add_crc32 + 1] = crc >> 8 & 0xFF; tar0_buf[add_crc32 + 2] = crc >> 16 & 0xFF; tar0_buf[add_crc32 + 3] = crc >> 24 & 0xFF; } dfu_len = 11 + 274 + 8 + tar0_len + 16; dfu = calloc( 1, dfu_len ); if( dfu ) { // DFU Suffix memmove( dfu, "DfuSe", 5 ); // szSignature dfu[5] = 0x01; // bVersion tmp = dfu_len - 0x10; dfu[6] = ( unsigned char ) ( tmp & 0xFF ); // DFUImageSize // (except Prefix!) dfu[7] = ( unsigned char ) ( tmp >> 8 & 0xFF ); dfu[8] = ( unsigned char ) ( tmp >> 16 & 0xFF ); dfu[9] = ( unsigned char ) ( tmp >> 24 & 0xFF ); dfu[10] = 1; // bTargets // DFU Image c = 11; memmove( dfu + c, "Target", 6 ); // szSignature 'Target' c += 6; dfu[c++] = 0x00; // bAlternateSettings //to check if( tar0_lab ) { dfu[c] = 0x01; // bTargetNamed memmove( dfu + c + 4, tar0_lab, strlen( tar0_lab ) > 254 ? 254 : strlen( tar0_lab ) ); // szTargetName } else { dfu[c] = 0x01; // place default target name memmove( dfu + c + 4, TARGET_NAME_DFU, strlen( TARGET_NAME_DFU ) ); } c += 259; tmp = 8 + tar0_len; // ImageElement length (8+bin_data) dfu[c++] = tmp & 0xFF; // dwTargetSize dfu[c++] = tmp >> 8 & 0xFF; dfu[c++] = tmp >> 16 & 0xFF; dfu[c++] = tmp >> 24 & 0xFF; dfu[c] = 0x01; // dwNbElements c += 4; // Image Element dfu[c++] = tar0_start_address & 0xFF; // dwElementAddress dfu[c++] = tar0_start_address >> 8 & 0xFF; dfu[c++] = tar0_start_address >> 16 & 0xFF; dfu[c++] = tar0_start_address >> 24 & 0xFF; dfu[c++] = tar0_len & 0xFF; // dwElementSize dfu[c++] = tar0_len >> 8 & 0xFF; dfu[c++] = tar0_len >> 16 & 0xFF; dfu[c++] = tar0_len >> 24 & 0xFF; memmove( dfu + c, tar0_buf, tar0_len ); // DFU Suffix c = dfu_len - 16; dfu[c++] = ver & 0xFF; // bcdDeviceLo dfu[c++] = ver >> 8 & 0xFF; dfu[c++] = pid & 0xFF; // idProductLo dfu[c++] = pid >> 8 & 0xFF; dfu[c++] = vid & 0xFF; // idVendorLo dfu[c++] = vid >> 8 & 0xFF; dfu[c++] = 0x1A; // bcdDFULo dfu[c++] = 0x01; dfu[c++] = 'U'; // ucDfuSignature dfu[c++] = 'F'; dfu[c++] = 'D'; dfu[c++] = 16; // bLength crc = 0xFFFFFFFF & -crc32( 0, dfu, c ) - 1; dfu[c++] = crc >> 0 & 0xFF; // dwCRC dfu[c++] = crc >> 8 & 0xFF; dfu[c++] = crc >> 16 & 0xFF; dfu[c++] = crc >> 24 & 0xFF; // write DFU to file out_fn = malloc( 8 + strlen( tar0 ) ); strcpy( out_fn, tar0 ); if( ( p = strstr( out_fn, ".hex" ) ) == NULL ) p = out_fn + strlen( out_fn ); strcpy( p, ".dfu" ); outFile = fopen( out_fn, "wb" ); free( out_fn ); c = fwrite( dfu, dfu_len, 1, outFile ); fclose( outFile ); if( c != 1 ) { printf( "error: write to output file\n" ); } printf( "Data Start Address: 0x%08x\r\n", tar0_start_address ); printf( "Data Length: %ub\r\n", tar0_len ); printf( "Done.\r\n" ); } } else { printf( "error: processing input file\n" ); } return 0; } void print_help( void ) { printf( "STM32 hex2dfu version 1.5\r\n" ); printf( "Options:\r\n" ); printf( "\t-c #\t- place CRC32 under this addres\r\n" ); printf( "\t-d #\t- file version number (default: 0xFFFF)\r\n" ); printf( "\t-l #\t- Target0 name (default: DfuDump)\r\n" ); printf( "\t-p #\t- USB Pid (default: 0xDF11)\r\n" ); printf( "\t-v #\t- USB Vid (default: 0x0483)\r\n" ); printf( "\t-E #\t- Maximum possible address\r\n" ); printf( "\t-h\t- help\r\n" ); printf( "Example: hex2dfu infile.hex\r\n\r\n" ); exit( 0 ); } int hex2bin( unsigned char *obuf, const char *ibuf, int len ) { unsigned char c, c2; len = len / 2; while( *ibuf != 0 ) { c = *ibuf++; if( c >= '0' && c <= '9' ) c -= '0'; else if( c >= 'a' && c <= 'f' ) c -= 'a' - 10; else if( c >= 'A' && c <= 'F' ) c -= 'A' - 10; else return -1; c2 = *ibuf++; if( c2 >= '0' && c2 <= '9' ) c2 -= '0'; else if( c2 >= 'a' && c2 <= 'f' ) c2 -= 'a' - 10; else if( c2 >= 'A' && c2 <= 'F' ) c2 -= 'A' - 10; else return -1; *obuf++ = ( c << 4 ) | c2; } return len; } int check_checksum( unsigned char *inbuf, int len ) { unsigned int check = 0; while( len-- ) { check += *inbuf++; } return check & 0xFF; } // more details: http://en.wikipedia.org/wiki/Intel_HEX unsigned char * ihex2bin_buf( unsigned int *start_address, int *dst_len, FILE * inFile, unsigned int max_address ) { unsigned int lines = 0, total = 0, oneline_len, elar = 0, pos, cnt; unsigned char oneline[512], raw[256], start_set = 0, *dst = NULL; *dst_len = 1024 * 1024; dst = malloc( *dst_len ); // allocate 129kB of memory for bin data // buffer if( dst == NULL ) { *dst_len = -2; return NULL; } memset( dst, 0xff, 1024 * 1024 ); *start_address = 0; while( fgets( oneline, sizeof( oneline ), inFile ) != NULL ) { if( oneline[0] == ':' ) { // is valid record? oneline_len = strlen( oneline ) - 2; // get line length hex2bin( raw, oneline + 1, oneline_len ); // convert to bin if( check_checksum( raw, oneline_len / 2 ) == 0 ) { // check cheksum validity if( ( raw[0] == 2 ) && ( raw[1] == 0 ) && ( raw[2] == 0 ) && ( raw[3] == 4 ) ) { // > Extended Linear Address Record // :020000040803EF // gen new address offset elar = ( unsigned int ) raw[4] << 24 | ( unsigned int ) raw[5] << 16; } else if( ( raw[0] == 0 ) && ( raw[1] == 0 ) && ( raw[2] == 0 ) && ( raw[3] == 1 ) ) { // >End Of File record :00000001FF *dst_len = total; // return total size of bin data && start // address return dst; } else if( raw[3] == 0 ) { // >Data record - process pos = elar + ( ( unsigned int ) raw[1] << 8 | ( unsigned int ) raw[2] ); // get start address of this chunk if( start_set == 0 ) { *start_address = pos; // set it as new start addres - only // possible for first data record start_set = 1; // only once - this is start address of thye // binary data } if( pos >= max_address ) { *dst_len = total; // max address limit has been reached return dst; // stop processing and return what's done } pos -= *start_address; cnt = raw[0]; // get chunk size/length if( pos + cnt > *dst_len ) { // enlarge buffer if required // add 8kB of new space unsigned char *dst_new = realloc( dst, *dst_len + 8192 ); if( dst_new == NULL ) { *dst_len = -2; // allocation error - exit free( dst ); return NULL; } else { *dst_len += 8192; dst = dst_new; // allocation succesed - copy new pointer } } memmove( dst + pos, raw + 4, cnt ); if( pos + cnt > total ) { // set new total variable total = pos + cnt; // tricky way - file can be none linear! } } } else { *dst_len = -1; // checksum error - exit return NULL; } } lines++; // not a IntelHex line - comment? } *dst_len = -3; // fatal error - no valid intel hex file // processed free( dst ); return NULL; } /* //maybe usefull - stay here for future int ihex2bin(FILE * outFile, FILE *inFile) { unsigned int total = 0, oneline_len, elar = 0, start = 0xFFFFFFFF, pos, cnt; unsigned char oneline [512], raw[256]; while ( fgets (oneline , sizeof(oneline) , inFile) != NULL ) { //puts (oneline); if (oneline[0] == ':') { oneline_len = strlen(oneline)-2; hex2bin(raw, oneline+1, oneline_len); if (check_checksum(raw, oneline_len/2) == 0) { if ((raw[0] == 2) && (raw[1] == 0) && (raw[2] == 0) && (raw[3] == 4)) { //:020000040803EF elar = (unsigned int)raw[4]<<24 | (unsigned int) raw[5]<<16; if (start == 0xFFFFFFFF) { start = elar; } } else if ((raw[0] == 0) && (raw[1] == 0) && (raw[2] == 0) && (raw[3] == 1)) { //:00000001FF return start; } else if (raw[3] == 0) { //data pos = elar + ( (unsigned int)raw[1]<<8 | (unsigned int)raw[2] ); cnt = raw[0]; fseek ( outFile, pos-start, SEEK_SET ); fwrite (raw+4 , sizeof(unsigned char), cnt, outFile); if (pos+cnt > total) total = pos+cnt; } } else { return -1; } } } return total; } */