/**
* Scan files under the root path and display them
* \param full_path true to display full file path, else file name only.
*/
void media_scan_files(bool full_path)
{
FILINFO fno;
DIR dir;
char *fname;
#if _USE_LFN
char lfname[_MAX_LFN + 1];
fno.lfname = lfname;
fno.lfsize = sizeof(lfname);
#endif
if (media_selection >= MEDIA_NUM_MAX) {
return;
}
if (medias[media_selection].lun_id == 0xFF) {
/* No files */
return;
}
media_connect();
file_path[2] = 0;
/* Open the directory */
res = f_opendir(&dir, file_path);
if (res == FR_OK) {
for (;;) {
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0) {
break;
}
#if _USE_LFN
fname = *fno.lfname ? fno.lfname : fno.fname;
#else
fname = fno.fname;
#endif
if (*fname == '.') {
continue;
}
/* Display if it's file */
if (0 == (fno.fattrib & AM_DIR)) {
if (full_path) {
dbg_print("%s/%s\r\n", file_path, fname);
} else {
dbg_print("%s\r\n", fname);
}
}
}
}
}
/**
* Receive new firmware
*
* \param info Regions information struct
* \param no_partition Use single partition, do not split memory to app + buff
*
* \return received firmware size
*/
static uint32_t _app_load(struct regions_info *info, bool no_partition)
{
void *addr, *info_addr;
uint32_t *p_sign, *p_len;
uint32_t rx_size;
uint32_t target_region;
uint32_t i = 0, flags = 0xFF;
if (info->boot_region != 0 && info->boot_region != 1) {
dbg_print("bl: Boot region information (%d) invalid\r\n",
(int)info->boot_region);
return 0;
}
/* Wait media connection */
i = 0;
while (i < MEDIA_NUM_MAX) {
media_select((enum media_types)i);
if (media_connect()) {
dbg_print("bl: Source media %s is ready\r\n",
media_get_type_str((enum media_types)i));
break;
} else if (flags & (1 << i)) {
flags &= ~(1 << i);
dbg_print("bl: Source media %s not ready\r\n",
media_get_type_str((enum media_types)i));
}
i++;
}
target_region = no_partition ? info->boot_region : (!info->boot_region);
addr = (void *)APP_START(target_region);
info_addr = (void *)INFO_ADDR(false);
dbg_print("bl: Load to %x, info @ %x\r\n", (unsigned)addr,
(unsigned)info_addr);
dbg_print("bl: Unlock download buffer & info area ...\r\n");
memory_unlock(addr, (void *)((uint32_t)addr + APP_CODE_SIZE - 1));
memory_unlock(info_addr, (void *)((uint32_t)info_addr + INFO_SIZE - 1));
dbg_print("bl: Unlock download buffer & info area done\r\n");
dbg_print("bl: Erase download buffer & info area ...\r\n");
memory_erase( addr, APP_CODE_SIZE);
memory_erase(info_addr, INFO_SIZE);
dbg_print("bl: Erase download buffer & info area done\r\n");
#ifdef DBG_USE_LED
_app_led_blink(50, 4);
_app_led_on(DBG_LED_PIN);
#endif
/* Clear SW force boot trigger */
#ifdef TRIGGER_USE_FLAG
info->trigger = TRIGGER_BOOT;
#endif
p_sign = &info->signature[target_region];
p_len = &info->length[target_region];
rx_size = media_load_file(addr, APP_SIZE,
(uint8_t *)app_mem_block_buf, MEM_BLOCK_SIZE,
_app_save_block);
if (rx_size) {
*p_sign = region_signature(addr, rx_size);
*p_len = rx_size;
} else {
*p_sign = 0;
*p_len = 0;
}
/* Save region information */
region_info_write(info_addr, info);
dbg_print("bl: Lock download buffer & info area ...\r\n");
memory_lock(addr, (void *)((uint32_t)addr + APP_CODE_SIZE - 1));
memory_lock(info_addr, (void *)((uint32_t)info_addr + INFO_SIZE - 1));
dbg_print("bl: Lock download buffer & info area done\r\n");
#ifdef DBG_USE_LED
_app_led_off(DBG_LED_PIN);
#endif
#if DUMP_ENABLE
_dump_data("Downloaded APP:\r\n", addr, rx_size, true);
_dump_data("INFO:\r\n", info_addr, INFO_SIZE, true);
#endif
return rx_size;
}
