int dusb_decomp(const char *filename)
{
char src_name[1024];
char dst_name[1024];
unsigned char data;
int i;
strcpy(src_name, filename);
strcat(src_name, ".hex");
strcpy(dst_name, filename);
strcat(dst_name, ".pkt");
hex = fopen(src_name, "rt");
if(hex == NULL)
{
fprintf(stderr, "Unable to open this file: %s\n", src_name);
return -1;
}
log = fopen(dst_name, "wt");
if(log == NULL)
{
fprintf(stderr, "Unable to open this file: %s\n", dst_name);
return -1;
}
{
char line[256];
fgets(line, sizeof(line), hex);
fgets(line, sizeof(line), hex);
fgets(line, sizeof(line), hex);
}
fprintf(log, "TI packet decompiler for D-USB, version 1.0\n");
while(hex_read(&data) != -1)
{
dusb_write(0, data);
}
fprintf(log, "() Packet types found: ");
for(i = 0; i < ptf; i++) fprintf(log, "%02x ", pkt_type_found[i]);
fprintf(log, "\n");
fprintf(log, "{} Data codes found: ");
for(i = 0; i < dcf; i++) fprintf(log, "%04x ", data_code_found[i]);
fprintf(log, "\n");
fclose(hex);
return 0;
}
int nsp_decomp(const char *filename)
{
char src_name[1024];
char dst_name[1024];
char line[256];
unsigned char data;
int i;
strcpy(src_name, filename);
strcat(src_name, ".hex");
strcpy(dst_name, filename);
strcat(dst_name, ".pkt");
hex = fopen(src_name, "rt");
if(hex == NULL)
{
fprintf(stderr, "Unable to open this file: %s\n", src_name);
return -1;
}
logfile = fopen(dst_name, "wt");
if(logfile == NULL)
{
fprintf(stderr, "Unable to open this file: %s\n", dst_name);
fclose(hex);
return -1;
}
if (fgets(line, sizeof(line), hex) == NULL) goto exit;
if (fgets(line, sizeof(line), hex) == NULL) goto exit;
if (fgets(line, sizeof(line), hex) == NULL) goto exit;
fprintf(logfile, "TI packet decompiler for NSpire, version 1.0\n");
while(hex_read(&data) != -1)
{
dusb_write(0, data);
}
fprintf(logfile, "() Service IDs found: ");
for(i = 0; i < sif; i++) fprintf(logfile, "%04x ", sid_found[i]);
fprintf(logfile, "\n");
fprintf(logfile, "() Addresses found: ");
for(i = 0; i < af; i++) fprintf(logfile, "%04x ", addr_found[i]);
fprintf(logfile, "\n");
exit:
fclose(logfile);
fclose(hex);
return 0;
}
/* mi_image: Create a mi_image from the contents of filename
*/
mi_image *mi_load_hexfile(char *filename)
{
mi_image *img;
hex_record *r;
FILE *f;
hex_file *hf;
if(filename == NULL) {
return NULL;
}
f=fopen(filename, "r");
if(f == NULL) {
return NULL;
}
hf=hex_open(f);
if(hf == NULL) {
fclose(f);
return NULL;
}
img=malloc(sizeof(mi_image));
if(img == NULL) {
fclose(f);
free(hf);
return NULL;
}
/* These nulls may not be required, but make me feel safer when
* using free_image() on an error
*/
img->program = NULL;
img->id = NULL;
img->config = NULL;
img->devid = NULL;
img->eeprom = NULL;
img->program=mi_make_patch(MI_PROGRAM_BASE, MI_PROGRAM_TOP);
img->id=mi_make_patch(MI_ID_BASE, MI_ID_TOP);
img->config=mi_make_patch(MI_CONFIG_BASE, MI_CONFIG_TOP);
img->devid=mi_make_patch(MI_DEVID_BASE, MI_DEVID_TOP);
img->eeprom=mi_make_patch(MI_EEPROM_BASE, MI_EEPROM_TOP);
if(img->program == NULL || img->id == NULL || img->config == NULL
|| img->devid == NULL || img->eeprom == NULL) {
fclose(f);
free(hf);
mi_free_image(img);
return NULL;
}
while((r=hex_read(hf))) {
if(r->type == 0) {
/*
printf("file: %.2i@0x%.8X:\t", r->datlen, r->addr);
for(i=0;i<r->datlen;i++) {
printf("%.2x", r->data[i]);
}
printf("\n");
*/
if(r->addr >= MI_PROGRAM_BASE && r->addr <= MI_PROGRAM_TOP) {
// printf("Program memory\n");
mi_modify_patch(img->program, r->addr, r->datlen, r->data);
}
if(r->addr >= MI_ID_BASE && r->addr <= MI_ID_TOP) {
// printf("ID memory\n");
mi_modify_patch(img->id, r->addr, r->datlen, r->data);
}
if(r->addr >= MI_CONFIG_BASE && r->addr <= MI_CONFIG_TOP) {
// printf("Config memory\n");
mi_modify_patch(img->config, r->addr, r->datlen, r->data);
}
if(r->addr >= MI_DEVID_BASE && r->addr <= MI_DEVID_TOP) {
// printf("Devid memory\n");
mi_modify_patch(img->devid, r->addr, r->datlen, r->data);
}
}
free(r);
// printf("\n");
}
free(hf);
fclose(f);
return img;
}
int dusb_decomp(const char *filename)
{
char src_name[1024];
char dst_name[1024];
char line[256];
unsigned char data = 0;
unsigned int i;
snprintf(src_name, sizeof(src_name) - 1, "%s.hex", filename);
src_name[sizeof(src_name) - 1] = 0;
snprintf(dst_name, sizeof(dst_name) - 1, "%s.pkt", filename);
dst_name[sizeof(dst_name) - 1] = 0;
hex = fopen(src_name, "rt");
if (hex == NULL)
{
fprintf(stderr, "Unable to open input file: %s\n", src_name);
return -1;
}
logfile = fopen(dst_name, "wt");
if (logfile == NULL)
{
fprintf(stderr, "Unable to open output file: %s\n", dst_name);
fclose(hex);
return -1;
}
fprintf(logfile, "TI packet decompiler for D-USB, version 1.0\n");
// skip comments
if ( fgets(line, sizeof(line), hex) == NULL
|| fgets(line, sizeof(line), hex) == NULL
|| fgets(line, sizeof(line), hex) == NULL)
{
goto exit;
}
while (hex_read(&data) != -1)
{
dusb_write(0, data);
}
fprintf(logfile, "() Packet types found: ");
for (i = 0; i < ptf; i++)
{
fprintf(logfile, "%02x ", pkt_type_found[i]);
}
fprintf(logfile, "\n");
fprintf(logfile, "{} Data codes found: ");
for (i = 0; i < dcf; i++)
{
fprintf(logfile, "%04x ", data_code_found[i]);
}
fprintf(logfile, "\n");
exit:
fclose(logfile);
fclose(hex);
return 0;
}
