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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-04-09 10:57:56 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-04-09 10:57:56 -0600 |
| commit | d52b29aa0159a9600d16c8265271fb9ac1a62e31 (patch) | |
| tree | 220546fae7131d1d67d1f7a4fea55bbc9f261e0d /nuttx/sched/Kconfig | |
| parent | 307ee2fd92188588e3092be6f391f98d8aa12fe9 (diff) | |
| download | px4-nuttx-d52b29aa0159a9600d16c8265271fb9ac1a62e31.tar.gz px4-nuttx-d52b29aa0159a9600d16c8265271fb9ac1a62e31.tar.bz2 px4-nuttx-d52b29aa0159a9600d16c8265271fb9ac1a62e31.zip | |
configs/*/defconfig: Increase the number of pre-allocated watchdogs in configurations that use networking or USB
Diffstat (limited to 'nuttx/sched/Kconfig')
| -rw-r--r-- | nuttx/sched/Kconfig | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/nuttx/sched/Kconfig b/nuttx/sched/Kconfig index c944819b1..aebedace1 100644 --- a/nuttx/sched/Kconfig +++ b/nuttx/sched/Kconfig @@ -382,16 +382,27 @@ config DEV_CONSOLE bool "Enable /dev/console" default y ---help--- - Set if architecture-specific logic provides /dev/console. Enables - stdout, stderr, stdin. + Set if architecture-specific logic provides /dev/console at boot-up + time. Enables stdout, stderr, stdin in the start-up application. + + You need this setting if your console device is ready at boot time. + For example, if you are using a serial console, then /dev/console + (aka, /dev/ttyS0) will be available when the application first starts. + + You must not select DEV_CONSOLE if you console device comes up later + and is not ready until after the application starts. At this time, + the only console device that behaves this way is a USB serial console. + When the application first starts, the USB is (probably) not yet + connected and /dev/console will not be created until later when the + host connects to the USB console. config FDCLONE_DISABLE bool "Disable cloning of file descriptors" default n ---help--- - Disable cloning of all file descriptors - by task_create() when a new task is started. If set, all - files/drivers will appear to be closed in the new task. + Disable cloning of all file descriptors by task_create() when a new + ask is started. If set, all files/drivers will appear to be closed + in the new task. config FDCLONE_STDIO bool "Disable clone file descriptors without stdio" |