C++ (Cpp) uffs_TreeFindErasedNodeByBlock Examples

Example #1

File: helper_cmds.c Project: Paolo-Maffei/rt-thread-stm32f4discovery

/** print block wear-leveling information
 *		wl [<mount>]
 */
static int cmd_wl(int argc, char *argv[])
{
	const char *mount = "/";
	uffs_Device *dev;
	struct uffs_PartitionSt *par;
	uffs_FileEmu *emu;
	int i, max;
	u32 n;

#define NUM_PER_LINE	10

	CHK_ARGC(1, 2);

	if (argc > 1) {
		mount = argv[1];
	}

	dev = uffs_GetDeviceFromMountPoint(mount);
	if (dev == NULL) {
		MSGLN("Can't get device from mount point %s", mount);
		return -1;
	}

	par = &dev->par;
	emu = (uffs_FileEmu *)(dev->attr->_private);
	max = -1;

	for (i = 0; i < par->end - par->start; i++) {
		if ((i % NUM_PER_LINE) == 0) {
			MSG("%04d:", i + par->start);
		}
		n = i + par->start;
		max = (max == -1 ? n :
				(emu->em_monitor_block[n] > emu->em_monitor_block[max] ? n : max)
			   );
		MSG(" %4d", emu->em_monitor_block[n]);
		if (uffs_TreeFindBadNodeByBlock(dev, n))
			MSG("%c", 'x');
		else if (uffs_TreeFindErasedNodeByBlock(dev, n))
			MSG("%c", ' ');
		else
			MSG("%c", '.');
		if (((i + 1) % NUM_PER_LINE) == 0)
			MSG("\n");
	}
	MSG("\n");
	MSG("Total blocks %d, peak erase count %d at block %d\n",
		par->end - par->start, max == -1 ? 0 : emu->em_monitor_block[max], max);

	uffs_PutDevice(dev);

	return 0;
}

Example #2

File: uffs_tree.c Project: mazj/uffs

TreeNode * uffs_TreeFindNodeByBlock(uffs_Device *dev, u16 block, int *region)
{
	TreeNode *node = NULL;

	if (*region & SEARCH_REGION_DATA) {
		node = uffs_TreeFindDataNodeByBlock(dev, block);
		if (node) {
			*region &= SEARCH_REGION_DATA;
			return node;
		}
	}
	if (*region & SEARCH_REGION_FILE) {
		node = uffs_TreeFindFileNodeByBlock(dev, block);
		if (node) {
			*region &= SEARCH_REGION_FILE;
			return node;
		}
	}
	if (*region & SEARCH_REGION_DIR) {
		node = uffs_TreeFindDirNodeByBlock(dev, block);
		if (node) {
			*region &= SEARCH_REGION_DIR;
			return node;
		}
	}
	if (*region & SEARCH_REGION_ERASED) {
		node = uffs_TreeFindErasedNodeByBlock(dev, block);
		if (node) {
			*region &= SEARCH_REGION_ERASED;
			return node;
		}
	}
	if (*region & SEARCH_REGION_BAD) {
		node = uffs_TreeFindBadNodeByBlock(dev, block);
		if (node) {
			*region &= SEARCH_REGION_BAD;
			return node;
		}
	}

	return node;
}