/**
* tnsp_file_display:
* @filename: a TI file.
*
* Determine file class and display internal content.
*
* Return value: an error code, 0 otherwise.
**/
int tnsp_file_display(const char *filename)
{
FileContent *content1;
FlashContent *content3;
int ret;
if (tifiles_file_is_os(filename))
{
content3 = tifiles_content_create_flash(CALC_NSPIRE);
ret = tnsp_file_read_flash(filename, content3);
if (!ret)
{
tnsp_content_display_flash(content3);
tifiles_content_delete_flash(content3);
}
}
else if (tifiles_file_is_regular(filename))
{
content1 = tifiles_content_create_regular(CALC_NSPIRE);
ret = tnsp_file_read_regular(filename, content1);
if (!ret)
{
tifiles_file_display_regular(content1);
tifiles_content_delete_regular(content1);
}
}
else
{
tifiles_info("Unknown file type !");
return ERR_BAD_FILE;
}
return ret;
}
/**
* tnsp_file_display:
* @filename: a TI file.
*
* Determine file class and display internal content.
*
* Return value: an error code, 0 otherwise.
**/
int tnsp_file_display(const char *filename)
{
FileContent *content1;
FlashContent *content3;
// the testing order is important: regular before backup (due to TI89/92+)
if (tifiles_file_is_os(filename))
{
content3 = tifiles_content_create_flash(CALC_NSPIRE);
tnsp_file_read_flash(filename, content3);
tnsp_content_display_flash(content3);
tifiles_content_delete_flash(content3);
}
else if (tifiles_file_is_regular(filename))
{
content1 = tifiles_content_create_regular(CALC_TI92);
tnsp_file_read_regular(filename, content1);
tnsp_content_display_regular(content1);
tifiles_content_delete_regular(content1);
}
else
{
tifiles_info("Unknown file type !");
return ERR_BAD_FILE;
}
return 0;
}
/**
* tifiles_file_test:
* @filename: a filename as string.
* @type: type to check
* @target: hand-held model or CALC_NONE for no filtering
*
* Check whether #filename is a TI file of type #type useable on a #target model.
* This function is a generic one which overwrap and extends the tifiles_file_is_*
* functions.
*
* This is a powerful function which allows checking of a specific file type for
* a given target.
*
* Return value: a boolean value.
**/
TIEXPORT2 int TICALL tifiles_file_test(const char *filename, FileClass type, CalcModel target)
{
char *e = tifiles_fext_get(filename);
if (!tifiles_file_is_ti(filename))
return 0;
if (!strcmp(e, ""))
return 0;
if(target > CALC_MAX)
{
tifiles_critical("tifiles_file_test: invalid target argument! This is a bug.");
return 0;
}
if(type & TIFILE_SINGLE)
{
if(target && !g_ascii_strncasecmp(e, GROUP_FILE_EXT[target], 2))
return !0;
else
return tifiles_file_is_single(filename);
}
if(type & TIFILE_GROUP)
{
if(target && !g_ascii_strcasecmp(e, GROUP_FILE_EXT[target]))
return !0;
else
return tifiles_file_is_group(filename);
}
if(type & TIFILE_REGULAR)
{
return tifiles_file_test(filename, TIFILE_SINGLE, target) ||
tifiles_file_test(filename, TIFILE_GROUP, target);
}
if(type & TIFILE_BACKUP)
{
if(target && !g_ascii_strcasecmp(e, BACKUP_FILE_EXT[target]))
return !0;
else
return tifiles_file_is_backup(filename);
}
if(type & TIFILE_OS)
{
if(target && !g_ascii_strcasecmp(e, FLASH_OS_FILE_EXT[target]))
return !0;
else if(target && tifiles_file_is_tib(filename))
{
FILE *f;
uint8_t data[16];
f = g_fopen(filename, "rb");
if(f == NULL)
return 0;
fread_n_chars(f, 16, (char *)data);
fclose(f);
switch(data[8])
{
case 1: if(target != CALC_TI92P) return 0;
case 3: if(target != CALC_TI89) return 0;
case 8: if(target != CALC_V200) return 0;
case 9: if(target != CALC_TI89T) return 0;
}
return !0;
}
else
return tifiles_file_is_os(filename);
}
if(type & TIFILE_APP)
{
if(target && !g_ascii_strcasecmp(e, FLASH_APP_FILE_EXT[target]))
return !0;
else
return tifiles_file_is_app(filename);
}
if(type & TIFILE_FLASH)
{
return tifiles_file_test(filename, TIFILE_OS, target) ||
tifiles_file_test(filename, TIFILE_APP, target);
}
if(type & TIFILE_TIGROUP)
{
if(target)
{
// No easy/light way for this part: we have to load the whole file
// and to parse the TigEntry structures.
TigContent *content;
int ret, ok=0;
int k;
if(!tifiles_file_has_tig_header(filename))
return 0;
content = tifiles_content_create_tigroup(CALC_NONE, 0);
ret = tifiles_file_read_tigroup(filename, content);
if(ret) return 0;
for (k = 0; k < content->n_apps; k++)
{
TigEntry *te = content->app_entries[k];
if(tifiles_calc_are_compat(te->content.regular->model, target))
ok++;
}
for (k = 0; k < content->n_vars; k++)
{
TigEntry *te = content->var_entries[k];
if(tifiles_calc_are_compat(te->content.regular->model, target))
ok++;
}
tifiles_content_delete_tigroup(content);
return ok;
}
else
return tifiles_file_is_tigroup(filename);
}
return 0;
}
/**
* tifiles_file_is_flash:
* @filename: a filename as string.
*
* Check whether file is a FLASH file (os or app).
*
* Return value: a boolean value.
**/
TIEXPORT2 int TICALL tifiles_file_is_flash(const char *filename)
{
return tifiles_file_is_os(filename) || tifiles_file_is_app(filename);
}
int ti68k_is_a_tib_file(const char *filename)
{
return tifiles_file_is_os(filename);
}
/*
Get some information on the FLASH upgrade:
- size
- ROM base address
- os version
- calc type
*/
int ti68k_get_tib_infos(const char *filename, IMG_INFO *tib, int preload)
{
FlashContent *content;
FlashContent *ptr;
int nheaders = 0;
int i;
// No filename, exits
if(!strcmp(g_basename(filename), ""))
return ERR_CANT_OPEN;
// Check valid file
if(!tifiles_file_is_ti(filename))
return ERR_NOT_TI_FILE;
if(!tifiles_file_is_os(filename))
return ERR_INVALID_UPGRADE;
// Load file
content = tifiles_content_create_flash(CALC_TI89);
if(tifiles_file_read_flash(filename, content) != 0)
return ERR_INVALID_UPGRADE;
// count headers
for (ptr = content; ptr != NULL; ptr = ptr->next)
nheaders++;
// keep the last one (data)
for (i = 0, ptr = content; i < nheaders - 1; i++)
ptr = ptr->next;
// Load TIB into memory and relocate at SPP
if(tib->data == NULL)
tib->data = malloc(SPP + ptr->data_length + 4);
if(tib->data == NULL)
return ERR_MALLOC;
memset(tib->data + SPP, 0xff, ptr->data_length);
memcpy(tib->data + SPP, ptr->data_part, ptr->data_length);
// Update current rom infos
tib->rom_base = tib->data[BO+5 + SPP] & 0xf0;
// libtifiles can't distinguish TI89/TI89t and 92+/V200. We need to look.
switch(ptr->device_type & 0xff)
{
case DEVICE_TYPE_89: // can be a Titanium, too
switch(tib->rom_base & 0xff)
{
case 0x20: tib->calc_type = TI89; break;
case 0x80: tib->calc_type = TI89t; break;
default: return ERR_INVALID_UPGRADE;
}
break;
case DEVICE_TYPE_92P:
switch(tib->rom_base & 0xff)
{
case 0x20: tib->calc_type = V200; break;
case 0x40: tib->calc_type = TI92p; break;
default: return ERR_INVALID_UPGRADE;
}
break;
default:
tiemu_info("TIB problem: %02x!\n", 0xff & ptr->device_type);
return ERR_INVALID_UPGRADE;
break;
}
tib->flash = FLASH_ROM;
tib->has_boot = 0;
tib->size = ptr->data_length + SPP;
get_rom_version(tib->data, tib->size, tib->version);
tifiles_content_delete_flash(content);
if(!preload)
free(tib->data);
return 0;
}