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Diffstat (limited to 'source/lang/api/constants.rst')
| -rw-r--r-- | source/lang/api/constants.rst | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/source/lang/api/constants.rst b/source/lang/api/constants.rst index 2e968e7..c5a7c0c 100644 --- a/source/lang/api/constants.rst +++ b/source/lang/api/constants.rst @@ -293,23 +293,16 @@ exponent indicators. Some examples are given in the following table: Board-Specific Constants ------------------------ -This section documents constants whose value might change across -different LeafLabs boards. You can use these constants to help ensure -that your code will be portable across different boards. +There are several :ref:`board-specific constants <lang-board-values>` +whose value depends on which LeafLabs board you have. If you use +them, it will help make sure that your code will work well on all +LeafLabs boards, not just the one you have. This will make it much +easier to share your code with others. -.. TODO replace "upcoming" when Mini, Native come out - -.. _lang-constants-led: - -- ``BOARD_LED_PIN``: the number of the pin which connects to the - built-in LED. On the Maple, this is pin 13, but it's not guaranteed - to be the same in upcoming boards like the Maple Mini. - -.. _lang-constants-but: - -- ``BOARD_BUTTON_PIN``: the number of the pin which connects to the - built-in button (labeled "BUT"). On the Maple, this is pin 38, but - it's not guaranteed to be the same in other boards. +For example, the pin number connected to the board's built-in LED is +different on the different boards, but the board-specific constant +:ref:`BOARD_LED_PIN <lang-board-values-led>` will always be the +correct value for each board. See Also -------- @@ -325,5 +318,6 @@ See Also - :ref:`unsigned long long <lang-unsignedlonglong>` - :ref:`float <lang-float>` - :ref:`double <lang-double>` +- :ref:`Board-Specific Values <lang-board-values>` .. include:: cc-attribution.txt |