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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-09-13 19:04:13 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-09-13 19:04:13 +0000 |
commit | 18d4d71fbd502bffaaadacb4ab9087426cce7047 (patch) | |
tree | 8b5feff5e248672c6f5eb77960459e66ab05a85c /nuttx/TODO | |
parent | 911a1d2fafcd6eff4c99765b184a6e82f816b312 (diff) | |
download | px4-nuttx-18d4d71fbd502bffaaadacb4ab9087426cce7047.tar.gz px4-nuttx-18d4d71fbd502bffaaadacb4ab9087426cce7047.tar.bz2 px4-nuttx-18d4d71fbd502bffaaadacb4ab9087426cce7047.zip |
Add CDC ACM serial class device driver
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3953 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/TODO')
-rw-r--r-- | nuttx/TODO | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/nuttx/TODO b/nuttx/TODO index 5eba13ace..71cba9523 100644 --- a/nuttx/TODO +++ b/nuttx/TODO @@ -1,5 +1,5 @@ -NuttX TODO List (Last updated September 9, 2011) -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +NuttX TODO List (Last updated September 12, 2011) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ This file summarizes known NuttX bugs, limitations, inconsistencies with standards, things that could be improved, and ideas for enhancements. @@ -15,7 +15,7 @@ nuttx/ (5) Binary loaders (binfmt/) (16) Network (net/, drivers/net) (2) USB (drivers/usbdev, drivers/usbhost) - (6) Libraries (lib/) + (7) Libraries (lib/) (9) File system/Generic drivers (fs/, drivers/) (2) Graphics subystem (graphics/) (1) Pascal add-on (pcode/) @@ -415,6 +415,22 @@ o Libraries (lib/) Status: Open Priority: Low + Description: NuttX only supports a single file pointer so reads and writes + must be from the same position. This prohibits implementation + of behavior like that required for fopen() with the "a+" mode. + According to the fopen man page: + + "a+ Open for reading and appending (writing at end of file). + The file is created if it does not exist. The initial file + position for reading is at the beginning of the file, but + output is always appended to the end of the file." + + At present, the single NuttX file pointer is positioned to the + end of the file for both reading and writing. + Status: Open + Priority: Medium. This kind of operation is probably not very common in + deeply embedded systems but is required by standards. + o File system / Generic drivers (fs/, drivers/) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |