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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-06-09 15:49:44 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-06-09 15:49:44 +0000 |
commit | 05dd8c79b40af0221973ba0ee19ee0066c3a8dde (patch) | |
tree | 6aa570fa88dbc3e31d4d6061276f3f72c21b3ff3 /nuttx/configs/README.txt | |
parent | 747de88ae98ba1e232db4c61b01b114772236c02 (diff) | |
download | px4-nuttx-05dd8c79b40af0221973ba0ee19ee0066c3a8dde.tar.gz px4-nuttx-05dd8c79b40af0221973ba0ee19ee0066c3a8dde.tar.bz2 px4-nuttx-05dd8c79b40af0221973ba0ee19ee0066c3a8dde.zip |
Add support for custom system timer frequency
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@274 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/README.txt')
-rw-r--r-- | nuttx/configs/README.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt index 77d41e131..a123a1f01 100644 --- a/nuttx/configs/README.txt +++ b/nuttx/configs/README.txt @@ -132,6 +132,11 @@ defconfig -- This is a configuration file similar to the Linux regions of memory to allocate from, this specifies the number of memory regions that the memory manager must handle and enables the API mm_addregion(start, end); + CONFIG_TICKS_PER_MSEC - The default system timer is 100Hz + or TICKS_PER_MSEC=10. This setting may be defined to + inform NuttX that the processor hardware is providing + system timer interrupts at some interrupt interval other + than 10 msec. CONFIG_RR_INTERVAL - The round robin timeslice will be set this number of milliseconds; Round robin scheduling can be disabled by setting this value to zero. |