Commit Graph

237 Commits

Author SHA1 Message Date
patacongo
871a684fc6 Added mkfatfs() test
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@806 42af7a65-404d-4744-a932-0658087f49c3
2008-08-10 14:50:27 +00:00
patacongo
dd7f63b94a Implemented mkfatfs()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@805 42af7a65-404d-4744-a932-0658087f49c3
2008-08-09 21:48:06 +00:00
patacongo
0e44d93cd7 Move FAT-related files to fs/fat
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@798 42af7a65-404d-4744-a932-0658087f49c3
2008-08-02 15:02:10 +00:00
patacongo
6b1891dc83 Need to call driver close() method on exit
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@792 42af7a65-404d-4744-a932-0658087f49c3
2008-08-01 00:22:09 +00:00
patacongo
faf168d93c Fix bug: Using unsigned to detect errno<0
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@791 42af7a65-404d-4744-a932-0658087f49c3
2008-07-31 00:28:24 +00:00
patacongo
1c9cadf1c3 task_create now dup's all open descriptors
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@789 42af7a65-404d-4744-a932-0658087f49c3
2008-07-30 00:28:43 +00:00
patacongo
33e6d3e45d Fix FIFO interlock errors
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@784 42af7a65-404d-4744-a932-0658087f49c3
2008-07-26 20:40:49 +00:00
patacongo
28db0e083a O_RDONLY open on FIFO blocks until writer opens
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@781 42af7a65-404d-4744-a932-0658087f49c3
2008-07-26 14:24:17 +00:00
patacongo
b918dac0c3 Add pipe()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@779 42af7a65-404d-4744-a932-0658087f49c3
2008-07-26 13:12:11 +00:00
patacongo
d05f4750cb Add mkfifo()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@773 42af7a65-404d-4744-a932-0658087f49c3
2008-07-20 20:58:32 +00:00
patacongo
c6839b479b Add recursive mutex test
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@771 42af7a65-404d-4744-a932-0658087f49c3
2008-06-05 01:58:08 +00:00
patacongo
d9112fa8b1 Improved timer life control fix
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@767 42af7a65-404d-4744-a932-0658087f49c3
2008-06-03 01:21:12 +00:00
patacongo
714c61c361 Add RAM disk support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@765 42af7a65-404d-4744-a932-0658087f49c3
2008-06-01 20:08:20 +00:00
patacongo
e8339c2aba examples/ostest can be executed in a loop
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@763 42af7a65-404d-4744-a932-0658087f49c3
2008-06-01 17:50:07 +00:00
patacongo
a9b64a7469 Fix problem when timer deleted by timer handler
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@762 42af7a65-404d-4744-a932-0658087f49c3
2008-06-01 17:46:26 +00:00
patacongo
7b52111997 Sim target no longer uses Linux syscalls; works with Cygwin
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@759 42af7a65-404d-4744-a932-0658087f49c3
2008-06-01 13:18:51 +00:00
patacongo
bdf74c42f2 Fix several problems with accessing FAT filesystems
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@758 42af7a65-404d-4744-a932-0658087f49c3
2008-05-31 22:10:21 +00:00
patacongo
be2a62af5a Eliminate deadlock condition in opendir()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@757 42af7a65-404d-4744-a932-0658087f49c3
2008-05-31 20:14:15 +00:00
patacongo
ae5cc87281 Fix memory leak: Contained watchdog not being deleted with POSIX timer deleted
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@756 42af7a65-404d-4744-a932-0658087f49c3
2008-05-31 18:33:44 +00:00
patacongo
b08da21f90 Add support for recursive mutexes
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@753 42af7a65-404d-4744-a932-0658087f49c3
2008-05-31 17:13:08 +00:00
patacongo
07475ddcaf Prepare for 0.9.10 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@751 42af7a65-404d-4744-a932-0658087f49c3
2008-05-15 10:51:14 +00:00
patacongo
7b5c4e515b Add ez80f0910200kitg configuration
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@735 42af7a65-404d-4744-a932-0658087f49c3
2008-03-15 20:04:06 +00:00
patacongo
990820d579 Fixed of Z8F6423 -- still doesn't like correctly
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@732 42af7a65-404d-4744-a932-0658087f49c3
2008-03-10 23:37:56 +00:00
patacongo
460aa35bb4 Adding ez80 support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@730 42af7a65-404d-4744-a932-0658087f49c3
2008-03-09 19:59:46 +00:00
patacongo
2dda17684f Prep for 0.3.9 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@728 42af7a65-404d-4744-a932-0658087f49c3
2008-03-09 15:11:51 +00:00
patacongo
dd90e2f273 script changes
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@724 42af7a65-404d-4744-a932-0658087f49c3
2008-03-08 16:26:08 +00:00
patacongo
c558d34600 Add support for the TRS-80 Model 3
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@690 42af7a65-404d-4744-a932-0658087f49c3
2008-02-15 22:14:00 +00:00
patacongo
67a6ec5ddb z8encore000zco has z8f6403
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@688 42af7a65-404d-4744-a932-0658087f49c3
2008-02-15 20:14:05 +00:00
patacongo
4a157c8855 Move all z80-dependencies into arch/z80/src/z80
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@683 42af7a65-404d-4744-a932-0658087f49c3
2008-02-14 17:24:14 +00:00
patacongo
0bfed5e52d cosmetic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@673 42af7a65-404d-4744-a932-0658087f49c3
2008-02-12 20:35:38 +00:00
patacongo
9a955f0901 More z80 repairs due to z8 port
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@672 42af7a65-404d-4744-a932-0658087f49c3
2008-02-12 14:52:34 +00:00
patacongo
50a54fc544 Adding Z8Encore\!
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@666 42af7a65-404d-4744-a932-0658087f49c3
2008-02-11 17:11:20 +00:00
patacongo
efb733dfc4 Prep for 0.3.8 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@663 42af7a65-404d-4744-a932-0658087f49c3
2008-02-10 14:08:11 +00:00
patacongo
432da54d46 Fix DM320 serial configuration problem
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@661 42af7a65-404d-4744-a932-0658087f49c3
2008-02-08 17:25:29 +00:00
patacongo
0fca25b777 Add a generic CAN driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@660 42af7a65-404d-4744-a932-0658087f49c3
2008-02-08 00:56:16 +00:00
patacongo
ee5f02dae5 update
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@659 42af7a65-404d-4744-a932-0658087f49c3
2008-02-07 14:41:11 +00:00
patacongo
2d8db3fabc Fix bug 1887170
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@642 42af7a65-404d-4744-a932-0658087f49c3
2008-02-06 19:13:50 +00:00
patacongo
4dd560c5f0 Pascal P-Code binaries are now big-endian
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@639 42af7a65-404d-4744-a932-0658087f49c3
2008-02-06 15:44:29 +00:00
patacongo
5622797411 Various fixes for buffered R/W I/O and seeking
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@630 42af7a65-404d-4744-a932-0658087f49c3
2008-02-05 18:13:13 +00:00
patacongo
039efd6e2b update
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@624 42af7a65-404d-4744-a932-0658087f49c3
2008-02-03 14:03:34 +00:00
patacongo
3fd8bd65f4 Integration pascal test case on the sim platform
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@614 42af7a65-404d-4744-a932-0658087f49c3
2008-02-01 22:47:24 +00:00
patacongo
2f1acf6786 Add fseek()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@613 42af7a65-404d-4744-a932-0658087f49c3
2008-02-01 22:32:16 +00:00
patacongo
09af7cf6ce Added lseek()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@612 42af7a65-404d-4744-a932-0658087f49c3
2008-02-01 22:19:20 +00:00
patacongo
ac37ac75e0 errno now defined to be *get_errno_ptr()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@607 42af7a65-404d-4744-a932-0658087f49c3
2008-02-01 21:23:19 +00:00
patacongo
1e52a8f36a Add pascal test
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@606 42af7a65-404d-4744-a932-0658087f49c3
2008-02-01 20:47:32 +00:00
patacongo
7b3c17b1c1 Add Pascal test case
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@604 42af7a65-404d-4744-a932-0658087f49c3
2008-02-01 14:32:56 +00:00
patacongo
e3035d2dff Prep for 0.3.7 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@601 42af7a65-404d-4744-a932-0658087f49c3
2008-01-31 23:15:03 +00:00
patacongo
9654e2d4b4 errno was clobbered by mm_trysemaphore when task exists
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@591 42af7a65-404d-4744-a932-0658087f49c3
2008-01-30 18:49:31 +00:00
patacongo
89c63fc635 Added low-level console driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@585 42af7a65-404d-4744-a932-0658087f49c3
2008-01-30 00:59:17 +00:00
patacongo
3616465288 Structure serial driver interface to support different interrupt architectures
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@571 42af7a65-404d-4744-a932-0658087f49c3
2008-01-26 23:46:09 +00:00
patacongo
3f1c7dc771 Add logic for environments that can't use soft links
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@530 42af7a65-404d-4744-a932-0658087f49c3
2008-01-08 22:11:00 +00:00
patacongo
d8b91b19e5 Make logic reorganized for non-GNU toolchain
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@528 42af7a65-404d-4744-a932-0658087f49c3
2008-01-08 17:06:21 +00:00
patacongo
131931c877 Reduce make output
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@526 42af7a65-404d-4744-a932-0658087f49c3
2008-01-08 13:41:00 +00:00
patacongo
eda24c6c3a Document 0.3.6.1 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@523 42af7a65-404d-4744-a932-0658087f49c3
2008-01-08 04:48:36 +00:00
patacongo
c5a589f25b Add support for tools that can't make dependencies
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@522 42af7a65-404d-4744-a932-0658087f49c3
2008-01-08 00:19:24 +00:00
patacongo
93dd5f44cb Adding support for the z16f
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@520 42af7a65-404d-4744-a932-0658087f49c3
2008-01-07 23:13:12 +00:00
patacongo
1fd8bd11af Prep for 0.3.6
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@518 42af7a65-404d-4744-a932-0658087f49c3
2008-01-06 21:03:42 +00:00
patacongo
731e425116 Add support for Pascal P-Code interpreter
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@511 42af7a65-404d-4744-a932-0658087f49c3
2008-01-05 19:05:31 +00:00
patacongo
424eae4cfb Debug z80sim NSH (still doesn't work)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@476 42af7a65-404d-4744-a932-0658087f49c3
2008-01-01 14:54:10 +00:00
patacongo
e5cb54d8d5 Add z80 target
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@456 42af7a65-404d-4744-a932-0658087f49c3
2007-12-29 01:06:06 +00:00
patacongo
98c638416d Fixed for 8051 w/SDCC compiler
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@454 42af7a65-404d-4744-a932-0658087f49c3
2007-12-28 22:10:14 +00:00
patacongo
26a0534734 Updated for 0.3.5
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@452 42af7a65-404d-4744-a932-0658087f49c3
2007-12-18 20:03:03 +00:00
patacongo
28b8f4a2e6 ifconfig shows uIP stats
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@450 42af7a65-404d-4744-a932-0658087f49c3
2007-12-12 14:41:36 +00:00
patacongo
e0bee0e36b update
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@447 42af7a65-404d-4744-a932-0658087f49c3
2007-12-11 22:08:57 +00:00
patacongo
a9a9fb489e Fix compilation errors
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@444 42af7a65-404d-4744-a932-0658087f49c3
2007-12-11 14:49:02 +00:00
patacongo
23e67efbbd Moved MAC and ethernet definitions to include/net/ethernet.h
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@443 42af7a65-404d-4744-a932-0658087f49c3
2007-12-11 14:28:16 +00:00
patacongo
a13244eeaf Release 0.3.4
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@436 42af7a65-404d-4744-a932-0658087f49c3
2007-12-10 17:15:11 +00:00
patacongo
a932e62067 Improved read-ahead buffer management
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@430 42af7a65-404d-4744-a932-0658087f49c3
2007-12-06 23:10:31 +00:00
patacongo
5efd8589a7 Add c5471 Ethernet driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@423 42af7a65-404d-4744-a932-0658087f49c3
2007-12-04 17:11:55 +00:00
patacongo
55358e04c8 Add skeleton ethernet driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@422 42af7a65-404d-4744-a932-0658087f49c3
2007-12-02 23:11:54 +00:00
patacongo
3e64d53637 Add TELNET front end to NSH
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@421 42af7a65-404d-4744-a932-0658087f49c3
2007-12-02 18:18:59 +00:00
patacongo
4c54d7d07e Add send() timeout logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@420 42af7a65-404d-4744-a932-0658087f49c3
2007-12-02 15:11:32 +00:00
patacongo
929a52b3e0 Basic DHPC client functionality
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@419 42af7a65-404d-4744-a932-0658087f49c3
2007-11-30 23:15:06 +00:00
patacongo
5fe8b2974d Add examples/dhcpd
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@413 42af7a65-404d-4744-a932-0658087f49c3
2007-11-30 20:46:29 +00:00
patacongo
14dd3e6265 Prep for 0.3.3 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@412 42af7a65-404d-4744-a932-0658087f49c3
2007-11-28 18:31:33 +00:00
patacongo
a89062967e Improve send/close performance
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@410 42af7a65-404d-4744-a932-0658087f49c3
2007-11-28 15:25:09 +00:00
patacongo
34e4d846a6 Fixed missing logic in readahead buffer logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@409 42af7a65-404d-4744-a932-0658087f49c3
2007-11-27 19:19:30 +00:00
patacongo
c3a7c92677 Integrated uIP's TELNETD
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@408 42af7a65-404d-4744-a932-0658087f49c3
2007-11-25 16:50:16 +00:00
patacongo
18e3cfd272 fs/ and lib/ debug can be selectively enabled
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@406 42af7a65-404d-4744-a932-0658087f49c3
2007-11-24 13:59:57 +00:00
patacongo
9a0b25efcd Must disconnect TCP socket on close()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@405 42af7a65-404d-4744-a932-0658087f49c3
2007-11-24 13:02:03 +00:00
patacongo
b72a7ab50b Debug can now be selectively enabled by subystem
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@404 42af7a65-404d-4744-a932-0658087f49c3
2007-11-23 22:32:52 +00:00
patacongo
2d9b57758b Removed unused uIP files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@403 42af7a65-404d-4744-a932-0658087f49c3
2007-11-23 21:16:43 +00:00
patacongo
2ce5085cc8 Verified recvfrom()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@402 42af7a65-404d-4744-a932-0658087f49c3
2007-11-23 19:25:39 +00:00
patacongo
ef651cc6bc Debug UDP send logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@401 42af7a65-404d-4744-a932-0658087f49c3
2007-11-23 13:31:28 +00:00
patacongo
961336e574 Added UDP test/example
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@400 42af7a65-404d-4744-a932-0658087f49c3
2007-11-22 21:59:30 +00:00
patacongo
5a508351e4 TCP and ICMP protocols may now be disabled
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@398 42af7a65-404d-4744-a932-0658087f49c3
2007-11-22 18:36:46 +00:00
patacongo
99c94d9cbe Add TX data notification
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@397 42af7a65-404d-4744-a932-0658087f49c3
2007-11-22 14:42:52 +00:00
patacongo
7d1031cc71 Fix leak in socket close
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@394 42af7a65-404d-4744-a932-0658087f49c3
2007-11-21 23:29:14 +00:00
patacongo
295bf51f3f Fix TCP list managment bug
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@392 42af7a65-404d-4744-a932-0658087f49c3
2007-11-20 21:55:06 +00:00
patacongo
ea2ca7bfc3 Several webserver bugs fixed
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@391 42af7a65-404d-4744-a932-0658087f49c3
2007-11-20 20:32:33 +00:00
patacongo
27192d3a00 Prep for 0.3.1 release
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@389 42af7a65-404d-4744-a932-0658087f49c3
2007-11-20 01:26:34 +00:00
patacongo
0e1b8b8b11 Add TCP readahead logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@387 42af7a65-404d-4744-a932-0658087f49c3
2007-11-19 23:09:39 +00:00
patacongo
ca5e8b5998 uIP webserver now uses listen/accept
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@386 42af7a65-404d-4744-a932-0658087f49c3
2007-11-19 18:17:23 +00:00
patacongo
dd0e40bbed Fix DM90x0 driver problem that caused TX overruns
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@384 42af7a65-404d-4744-a932-0658087f49c3
2007-11-17 14:28:10 +00:00
patacongo
5d7b5add5d Basic server functionality: listen(), accept()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@382 42af7a65-404d-4744-a932-0658087f49c3
2007-11-16 18:48:39 +00:00
patacongo
5ea5c4cf09 Fix probably where packets dropped because there was no recv() in place were being ACKed
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@381 42af7a65-404d-4744-a932-0658087f49c3
2007-11-15 22:38:32 +00:00
patacongo
81d093e29e Breaking uip.c into smaller functions/files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@374 42af7a65-404d-4744-a932-0658087f49c3
2007-11-06 23:38:14 +00:00
patacongo
db8aff6778 Verified basic client-side network functionality
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@373 42af7a65-404d-4744-a932-0658087f49c3
2007-11-06 19:58:14 +00:00
patacongo
d7d1145863 Add DM90x0 driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@362 42af7a65-404d-4744-a932-0658087f49c3
2007-11-02 20:20:34 +00:00
patacongo
b85008dc63 Add framework for listen() and connect() -- still missing logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@353 42af7a65-404d-4744-a932-0658087f49c3
2007-09-23 16:58:09 +00:00