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Diffstat (limited to 'c_user/configuring_a_system.rst')
| -rw-r--r-- | c_user/configuring_a_system.rst | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/c_user/configuring_a_system.rst b/c_user/configuring_a_system.rst index 9c36b2d..e993877 100644 --- a/c_user/configuring_a_system.rst +++ b/c_user/configuring_a_system.rst @@ -565,6 +565,38 @@ assumption that all tasks have floating point enabled. This would require the addition of a new configuration parameter to specify the number of tasks which enable floating point support. +.. COMMENT: === CONFIGURE_ENABLE_CLASSIC_API_NOTEPADS === + +.. _Specify Maximum Classic API Timers: + +Specify Maximum Classic API Timers +---------------------------------- +.. index:: CONFIGURE_ENABLE_CLASSIC_API_NOTEPADS + +*CONSTANT:* + ``CONFIGURE_ENABLE_CLASSIC_API_NOTEPADS`` + +*DATA TYPE:* + Boolean feature macro. + +*RANGE:* + Defined or undefined. + +*DEFAULT VALUE:* + This is not defined by default, and Classic API Notepads are not supported. + +**DESCRIPTION:** + ``CONFIGURE_ENABLE_CLASSIC_API_NOTEPADS`` should be defined if the + user wants to have support for Classic API Notepads in their application. + +**NOTES:** + Disabling Classic API Notepads saves the allocation of sixteen (16) + thirty-two bit integers. This saves sixty-four bytes per task/thread + plus the allocation overhead. Notepads are rarely used in applications + and this can save significant memory in a low RAM system. Classic API + Notepads are deprecated, and this option has been removed from + post 4.11 versions of RTEMS. + .. COMMENT: === CONFIGURE_MAXIMUM_TIMERS === .. _Specify Maximum Classic API Timers: |