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shell: add an option for minimal default configuration

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The default shell configuration has heavy flash and memory requirements,
requiring project maintainers to set many configuration options to "n"
to keep flash and memory requirements within reason.

This adds a new configuration option, CONFIG_SHELL_MINIMAL, which will
disable flash and memory heavy options by default, and allow project
maintainers to select/imply only the options they want.

On a quick test from an ARM board I'm working on, enabling this option
cut flash space requirements by ~8 KB, and memory requirements by ~1 KB.

Signed-off-by: Jack Rosenthal <jrosenth@chromium.org>
This commit is contained in:
Jack Rosenthal 2021-02-26 07:50:11 -07:00 • committed by Carles Cufí
commit ea9866dc86
20 changed files with 49 additions and 303 deletions
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2
drivers/sensor/Kconfig
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@ -24,7 +24,7 @@ config SENSOR_SHELL
bool "Enable sensor shell"
depends on SHELL
select CBPRINTF_FP_SUPPORT
default y
default y if !SHELL_MINIMAL
help
This shell provides access to basic sensor data.