CUDBG_FLASH_SIZE
if (flash_hdr->data_len > CUDBG_FLASH_SIZE) {
space_left = CUDBG_FLASH_SIZE - flash_hdr->data_len;
if (flash_data_offset > CUDBG_FLASH_SIZE) {
remain_flash_size = CUDBG_FLASH_SIZE - flash_data_offset;