mirror of https://github.com/rusefi/hex2dfu.git
Support multiple input hex files
This commit is contained in:
Andrey Gusakov
parent
284d5c8d51
commit
ed82a06749
415
hex2dfu.c
415
hex2dfu.c
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@ -5,6 +5,8 @@
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#include <stdint.h>
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#include <unistd.h>
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#define MAX_IN_HEX 16
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#define TARGET_NAME_ENCEDO "EncedoKey"
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// uncomment to add support for digital code signature using ED25519
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//#define ED25519_SUPPORT
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@ -32,9 +34,11 @@ unsigned int crc32(unsigned int crc, const void *buf, size_t size);
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//efab5b0739a834bac702aeb5cd08ffe227908faaae501f910e7e07d8d41fbb06
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int main (int argc, char **argv) {
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int i, c, vid =0x0483, pid = 0xdf11, ver = 0xffff;
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char *tar0 = NULL, *tar0_lab = NULL, *out_fn = NULL;
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char *tar0_lab = NULL, *out_fn = NULL;
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FILE *inFile, *outFile;
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unsigned char json_output = 0;
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char *in_hex[MAX_IN_HEX];
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int image_cnt = 0;
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#ifdef ED25519_SUPPORT
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unsigned char hash_buf[64];
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@ -44,9 +48,10 @@ int main (int argc, char **argv) {
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unsigned char public_key[32], private_key[64], signature[64], public_key_publisher[32];
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#endif
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unsigned int tar0_start_address;
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int tar0_len;
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unsigned char *tar0_buf;
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unsigned int tar_start_address[MAX_IN_HEX];
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int tar_len[MAX_IN_HEX];
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unsigned char *tar_buf[MAX_IN_HEX];
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int total_len = 0;
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unsigned char *dfu;
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int dfu_len;
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@ -58,8 +63,9 @@ int main (int argc, char **argv) {
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case 'J':
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json_output = 1;
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break;
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case 'i': //target0 input file name
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tar0 = optarg;
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case 'i': //target input file names
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in_hex[image_cnt] = optarg;
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image_cnt++;
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break;
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case 'l': //target0 label
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tar0_lab = optarg;
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@ -114,8 +120,8 @@ int main (int argc, char **argv) {
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}
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}
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if (!tar0) {
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perror ("No input file specifed.\n");
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if (image_cnt == 0) {
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perror ("No input file(s) specifed.\n");
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return 0;
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}
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@ -130,7 +136,7 @@ int main (int argc, char **argv) {
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if (c != 32) {
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perror ("ED25519 'secret' have to be 32bytes long.\n");
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return 0;
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}
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}
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ed25519_create_keypair(public_key, private_key, ed25519_secret);
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@ -146,190 +152,222 @@ int main (int argc, char **argv) {
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}
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#endif
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inFile = fopen ( tar0, "r");
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tar0_buf = ihex2bin_buf(&tar0_start_address, &tar0_len, inFile);
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for (i = 0; i < image_cnt; i++) {
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inFile = fopen(in_hex[i], "r");
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if (inFile == NULL) {
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fprintf(stderr, "Failed to open %s\n", in_hex[i]);
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return 0;
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}
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tar_buf[i] = ihex2bin_buf(&tar_start_address[i], &tar_len[i], inFile);
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fclose (inFile);
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fclose (inFile);
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if (tar0_buf && (tar0_len > 0)) {
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if ((add_crc32>0) && (add_crc32 < (tar0_start_address+tar0_len-256))) { //-c request CRC32 placement at given address
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add_crc32 -= tar0_start_address;
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tar0_buf[add_crc32 + 4] = tar0_len>>0 & 0xFF; //binary code length first(little endian)
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tar0_buf[add_crc32 + 5] = tar0_len>>8 & 0xFF;
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tar0_buf[add_crc32 + 6] = tar0_len>>16 & 0xFF;
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tar0_buf[add_crc32 + 7] = tar0_len>>24 & 0xFF;
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if ((tar_buf[i] == NULL) || (tar_len[i] < 0)) {
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fprintf(stderr, "Failed to parse %s\n", in_hex[i]);
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return 0;
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}
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total_len += tar_len[i];
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if ((add_crc32 > 0) &&
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(add_crc32 < (tar_start_address[i] + tar_len[i] - 256))) { //-c request CRC32 placement at given address
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add_crc32 -= tar_start_address[i];
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tar_buf[i][add_crc32 + 4] = tar_len[i]>>0 & 0xFF; //binary code length first(little endian)
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tar_buf[i][add_crc32 + 5] = tar_len[i]>>8 & 0xFF;
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tar_buf[i][add_crc32 + 6] = tar_len[i]>>16 & 0xFF;
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tar_buf[i][add_crc32 + 7] = tar_len[i]>>24 & 0xFF;
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#ifdef ED25519_SUPPORT
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if (ed25519_secret) {
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sha512_init(&hash);
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sha512_update(&hash, tar0_buf, add_crc32);
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sha512_update(&hash, tar0_buf+add_crc32+256, tar0_len-(add_crc32+256));
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sha512_final(&hash, hash_buf);
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ed25519_sign(signature, hash_buf, 64, public_key, private_key);
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memmove(tar0_buf+add_crc32+0x10, signature, 64);
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memmove(tar0_buf+add_crc32+0x10+64, public_key, 32);
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if (ed25519_public_add) {
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memmove(tar0_buf+add_crc32+0x10+64+32, public_key_publisher, 32);
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}
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}
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if (ed25519_secret) {
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sha512_init(&hash);
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sha512_update(&hash, tar_buf[i], add_crc32);
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sha512_update(&hash, tar_buf[i] + add_crc32 + 256, tar_len[i] - (add_crc32 + 256));
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sha512_final(&hash, hash_buf);
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ed25519_sign(signature, hash_buf, 64, public_key, private_key);
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memmove(tar_buf[i] + add_crc32 + 0x10, signature, 64);
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memmove(tar_buf[i] + add_crc32 + 0x10 + 64, public_key, 32);
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if (ed25519_public_add) {
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memmove(tar_buf[i] + add_crc32 + 0x10 + 64 + 32, public_key_publisher, 32);
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}
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}
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#endif
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crc = crc32(0, tar0_buf, add_crc32); //calc CRC upto placement address
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crc = crc32(crc, tar0_buf+add_crc32+4, tar0_len-(add_crc32+4)); //calc the rest of - starting from placement+4 up to end
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tar0_buf[add_crc32] = crc>>0 & 0xFF; //CRC placement (little endian)
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tar0_buf[add_crc32 + 1] = crc>>8 & 0xFF;
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tar0_buf[add_crc32 + 2] = crc>>16 & 0xFF;
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tar0_buf[add_crc32 + 3] = crc>>24 & 0xFF;
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crc = crc32(0, tar_buf[i], add_crc32); //calc CRC upto placement address
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crc = crc32(crc, tar_buf[i] + add_crc32 + 4, tar_len[i] - (add_crc32 + 4)); //calc the rest of - starting from placement+4 up to end
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tar_buf[i][add_crc32 + 0] = crc>>0 & 0xFF; //CRC placement (little endian)
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tar_buf[i][add_crc32 + 1] = crc>>8 & 0xFF;
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tar_buf[i][add_crc32 + 2] = crc>>16 & 0xFF;
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tar_buf[i][add_crc32 + 3] = crc>>24 & 0xFF;
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}
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dfu_len = 11 + 274 + 8+ tar0_len + 16;
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dfu = calloc(1, dfu_len);
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if (dfu) {
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//DFU Suffix
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memmove(dfu, "DfuSe", 5); //szSignature
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dfu[5] = 0x01; //bVersion
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tmp = dfu_len - 0x10;
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dfu[6] = (unsigned char)(tmp & 0xFF); //DFUImageSize (except Prefix!)
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dfu[7] = (unsigned char)(tmp>>8 & 0xFF);
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dfu[8] = (unsigned char)(tmp>>16 & 0xFF);
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dfu[9] = (unsigned char)(tmp>>24 & 0xFF);
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dfu[10] = 1; //bTargets
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//DFU Image
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c = 11;
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memmove(dfu+c, "Target", 6); //szSignature 'Target'
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c += 6;
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dfu[c++] = 0x00; //bAlternateSettings //to check
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if (tar0_lab) {
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dfu[c] = 0x01; //bTargetNamed
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memmove(dfu+c+4, tar0_lab, strlen(tar0_lab)>254?254:strlen(tar0_lab)); //szTargetName
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} else {
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dfu[c] = 0x01; //place default target name
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memmove(dfu+c+4, TARGET_NAME_ENCEDO, strlen(TARGET_NAME_ENCEDO));
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}
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c += 259;
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tmp = 8 + tar0_len; //ImageElement length (8+bin_data)
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dfu[c++] = tmp & 0xFF; //dwTargetSize
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dfu[c++] = tmp>>8 & 0xFF;
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dfu[c++] = tmp>>16 & 0xFF;
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dfu[c++] = tmp>>24 & 0xFF;
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dfu[c] = 0x01; //dwNbElements
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c += 4;
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//Image Element
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dfu[c++] = tar0_start_address & 0xFF; //dwElementAddress
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dfu[c++] = tar0_start_address>>8 & 0xFF;
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dfu[c++] = tar0_start_address>>16 & 0xFF;
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dfu[c++] = tar0_start_address>>24 & 0xFF;
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dfu[c++] = tar0_len & 0xFF; //dwElementSize
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dfu[c++] = tar0_len>>8 & 0xFF;
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dfu[c++] = tar0_len>>16 & 0xFF;
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dfu[c++] = tar0_len>>24 & 0xFF;
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memmove(dfu+c, tar0_buf, tar0_len);
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//DFU Suffix
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c = dfu_len - 16;
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dfu[c++] = ver & 0xFF; //bcdDeviceLo
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dfu[c++] = ver>>8 & 0xFF;
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dfu[c++] = pid & 0xFF; //idProductLo
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dfu[c++] = pid>>8 & 0xFF;
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dfu[c++] = vid & 0xFF; //idVendorLo
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dfu[c++] = vid>>8 & 0xFF;
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dfu[c++] = 0x1A; //bcdDFULo
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dfu[c++] = 0x01;
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dfu[c++] = 'U'; //ucDfuSignature
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dfu[c++] = 'F';
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dfu[c++] = 'D';
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dfu[c++] = 16; //bLength
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crc = 0xFFFFFFFF & -crc32(0, dfu, c) - 1 ;
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dfu[c++] = crc>>0 & 0xFF; //dwCRC
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dfu[c++] = crc>>8 & 0xFF;
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dfu[c++] = crc>>16 & 0xFF;
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dfu[c++] = crc>>24 & 0xFF;
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//write DFU to file
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outFile = fopen (out_fn, "wb");
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c = fwrite (dfu, dfu_len, 1, outFile);
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fclose(outFile);
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if (c != 1) {
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printf ("error: write to output file\n");
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}
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if (json_output) {
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printf("{\"code_address\":\"0x%08x\"", tar0_start_address);
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printf(",\"code_length\":\"0x%08x\"", tar0_len);
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printf(",\"meta_address\":\"0x%08x\"", add_crc32+tar0_start_address);
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#ifdef ED25519_SUPPORT
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if (ed25519_secret) {
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printf(",\"sha512\":\"");
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for(c=0; c<64; c++) {
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printf("%02x", (unsigned char)hash_buf[c]);
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}
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printf("\"");
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printf(",\"signature_pubkey\":\"");
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for(c=0; c<32; c++) {
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printf("%02x", (unsigned char)public_key[c]);
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}
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printf("\"");
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printf(",\"signature\":\"");
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for(c=0; c<64; c++) {
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printf("%02x", (unsigned char)signature[c]);
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}
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printf("\"");
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if (ed25519_public_add) {
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printf(",\"publisher_pubkey\":\"");
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for(c=0; c<32; c++) {
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printf("%02x", (unsigned char)public_key_publisher[c]);
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}
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printf("\"");
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}
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printf(",\"crc32\":\"0x%08x\"", crc);
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}
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#endif
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printf("}\r\n");
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} else {
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printf("Data Start Address: 0x%08x\r\n", tar0_start_address);
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printf("Data Length: %ub\r\n", tar0_len);
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#ifdef ED25519_SUPPORT
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if (ed25519_secret) {
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printf("SHA512: ");
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for(c=0; c<64; c++) {
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printf("%02x", (unsigned char)hash_buf[c]);
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}
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printf("\r\n");
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printf("Signing PublicKey: ");
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for(c=0; c<32; c++) {
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printf("%02x", (unsigned char)public_key[c]);
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}
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printf("\r\n");
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printf("Signature: ");
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for(c=0; c<64; c++) {
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printf("%02x", (unsigned char)signature[c]);
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}
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printf("\r\n");
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if (ed25519_public_add) {
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printf("Publisher PublicKey: ");
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for(c=0; c<32; c++) {
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printf("%02x", (unsigned char)public_key_publisher[c]);
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}
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printf("\r\n");
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}
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printf("CRC32 data: 0x%08x @0x%08x\r\n", crc, add_crc32+tar0_start_address);
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}
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#endif
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printf("Done.\r\n");
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}
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}
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} else {
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printf ("error: processing input file\n");
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}
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//Total dfu len
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dfu_len =
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11 + //Prefix
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274 + //Target prefix
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(8 * image_cnt) + //Image header
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total_len + //Images len
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16; //Suffix
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dfu = calloc(1, dfu_len);
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if (dfu == NULL) {
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perror("Failed to aloocate out buffer\n");
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return 0;
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}
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//DFU prefix
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memmove(dfu, "DfuSe", 5); //szSignature
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dfu[5] = 0x01; //bVersion
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tmp = dfu_len - 0x10;
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dfu[6] = (unsigned char)(tmp & 0xFF); //DFUImageSize (except Prefix!)
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dfu[7] = (unsigned char)(tmp>>8 & 0xFF);
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dfu[8] = (unsigned char)(tmp>>16 & 0xFF);
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dfu[9] = (unsigned char)(tmp>>24 & 0xFF);
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dfu[10] = 1; //bTargets
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//DFU Image
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//Target prefix
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c = 11;
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memmove(dfu + c, "Target", 6); //szSignature 'Target'
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c += 6;
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dfu[c++] = 0x00; //bAlternateSettings //to check
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if (tar0_lab) {
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dfu[c] = 0x01; //bTargetNamed
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memmove(dfu + c + 4, tar0_lab, (strlen(tar0_lab) > 254) ? 254 : strlen(tar0_lab)); //szTargetName
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} else {
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dfu[c] = 0x01; //place default target name
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memmove(dfu + c + 4, TARGET_NAME_ENCEDO, strlen(TARGET_NAME_ENCEDO));
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}
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c += 259;
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tmp = (8 * image_cnt) + total_len; //ImageElement length (8+bin_data)
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dfu[c++] = (tmp >> 0) & 0xFF; //dwTargetSize
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dfu[c++] = (tmp >> 8) & 0xFF;
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dfu[c++] = (tmp >> 16) & 0xFF;
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dfu[c++] = (tmp >> 24) & 0xFF;
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dfu[c++] = (image_cnt >> 0) & 0xFF; //dwNbElements
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dfu[c++] = (image_cnt >> 8) & 0xFF;
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dfu[c++] = (image_cnt >> 16) & 0xFF;
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dfu[c++] = (image_cnt >> 24) & 0xFF;
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//Image Elements
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for (i = 0; i < image_cnt; i++) {
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dfu[c++] = (tar_start_address[i] >> 0) & 0xFF; //dwElementAddress
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dfu[c++] = (tar_start_address[i] >> 8) & 0xFF;
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dfu[c++] = (tar_start_address[i] >> 16) & 0xFF;
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dfu[c++] = (tar_start_address[i] >> 24) & 0xFF;
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dfu[c++] = (tar_len[i] >> 0) & 0xFF; //dwElementSize
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dfu[c++] = (tar_len[i] >> 8) & 0xFF;
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dfu[c++] = (tar_len[i] >> 16) & 0xFF;
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dfu[c++] = (tar_len[i] >> 24) & 0xFF;
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memmove(dfu + c, tar_buf[i], tar_len[i]);
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c += tar_len[i];
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}
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//DFU Suffix
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c = dfu_len - 16;
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dfu[c++] = (ver >> 0) & 0xFF; //bcdDeviceLo
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dfu[c++] = (ver >> 8) & 0xFF;
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dfu[c++] = (pid >> 0) & 0xFF; //idProductLo
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dfu[c++] = (pid >> 8) & 0xFF;
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dfu[c++] = (vid >> 0) & 0xFF; //idVendorLo
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dfu[c++] = (vid >> 8) & 0xFF;
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dfu[c++] = 0x1A; //bcdDFULo
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dfu[c++] = 0x01;
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dfu[c++] = 'U'; //ucDfuSignature
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dfu[c++] = 'F';
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dfu[c++] = 'D';
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dfu[c++] = 16; //bLength
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crc = 0xFFFFFFFF & - crc32(0, dfu, c) - 1;
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dfu[c++] = (crc >> 0) & 0xFF; //dwCRC
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dfu[c++] = (crc >> 8) & 0xFF;
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dfu[c++] = (crc >> 16) & 0xFF;
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dfu[c++] = (crc >> 24) & 0xFF;
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//write DFU to file
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outFile = fopen (out_fn, "wb");
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c = fwrite (dfu, dfu_len, 1, outFile);
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fclose(outFile);
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if (c != 1) {
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printf ("error: write to output file\n");
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}
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if (json_output) {
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||||
/* TODO: for each input file? */
|
||||
printf("{\"code_address\":\"0x%08x\"", tar_start_address[0]);
|
||||
printf(",\"code_length\":\"0x%08x\"", tar_len[0]);
|
||||
printf(",\"meta_address\":\"0x%08x\"", add_crc32 + tar_start_address[0]);
|
||||
#ifdef ED25519_SUPPORT
|
||||
if (ed25519_secret) {
|
||||
printf(",\"sha512\":\"");
|
||||
for(c=0; c<64; c++) {
|
||||
printf("%02x", (unsigned char)hash_buf[c]);
|
||||
}
|
||||
printf("\"");
|
||||
|
||||
printf(",\"signature_pubkey\":\"");
|
||||
for(c=0; c<32; c++) {
|
||||
printf("%02x", (unsigned char)public_key[c]);
|
||||
}
|
||||
printf("\"");
|
||||
|
||||
printf(",\"signature\":\"");
|
||||
for(c=0; c<64; c++) {
|
||||
printf("%02x", (unsigned char)signature[c]);
|
||||
}
|
||||
printf("\"");
|
||||
|
||||
if (ed25519_public_add) {
|
||||
printf(",\"publisher_pubkey\":\"");
|
||||
for(c=0; c<32; c++) {
|
||||
printf("%02x", (unsigned char)public_key_publisher[c]);
|
||||
}
|
||||
printf("\"");
|
||||
}
|
||||
printf(",\"crc32\":\"0x%08x\"", crc);
|
||||
}
|
||||
#endif
|
||||
printf("}\r\n");
|
||||
} else {
|
||||
printf("Total elements: %d\n", image_cnt);
|
||||
for (i = 0; i < image_cnt; i++) {
|
||||
printf(" Element %d:\r\n", i);
|
||||
printf(" Data Start: 0x%08x\r\n", tar_start_address[i]);
|
||||
printf(" Data Length: %u bytes\r\n", tar_len[i]);
|
||||
}
|
||||
#ifdef ED25519_SUPPORT
|
||||
if (ed25519_secret) {
|
||||
printf("SHA512: ");
|
||||
for(c=0; c<64; c++) {
|
||||
printf("%02x", (unsigned char)hash_buf[c]);
|
||||
}
|
||||
printf("\r\n");
|
||||
|
||||
printf("Signing PublicKey: ");
|
||||
for(c=0; c<32; c++) {
|
||||
printf("%02x", (unsigned char)public_key[c]);
|
||||
}
|
||||
printf("\r\n");
|
||||
|
||||
printf("Signature: ");
|
||||
for(c=0; c<64; c++) {
|
||||
printf("%02x", (unsigned char)signature[c]);
|
||||
}
|
||||
printf("\r\n");
|
||||
|
||||
if (ed25519_public_add) {
|
||||
printf("Publisher PublicKey: ");
|
||||
for(c=0; c<32; c++) {
|
||||
printf("%02x", (unsigned char)public_key_publisher[c]);
|
||||
}
|
||||
printf("\r\n");
|
||||
}
|
||||
printf("CRC32 data: 0x%08x @0x%08x\r\n", crc, add_crc32+tar0_start_address);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
printf("Done.\r\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -353,7 +391,6 @@ void print_help(void) {
|
|||
printf("Example: hex2dfu -i infile.hex -i outfile.dfu\r\n");
|
||||
}
|
||||
|
||||
|
||||
int hex2bin(unsigned char *obuf, const char *ibuf, int len) {
|
||||
unsigned char c, c2;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue