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Diffstat (limited to 'source/arduino/bytecast.rst')
| -rw-r--r-- | source/arduino/bytecast.rst | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/source/arduino/bytecast.rst b/source/arduino/bytecast.rst index 71ab4aa..bf85a35 100644 --- a/source/arduino/bytecast.rst +++ b/source/arduino/bytecast.rst @@ -1,41 +1,50 @@ +.. highlight:: cpp + .. _arduino-bytecast: -byte() -====== +byte() (cast) +============= Description ----------- -Converts a value to the -`byte <http://arduino.cc/en/Reference/Byte>`_ data type. +Converts a value to the :ref:`byte <arduino-byte>` data type. + +.. warning:: + Casting to the byte type is provided for compatibility with + Arduino. However, ``byte`` is a non-standard type. The standard + C++ type for storing an 8-bit unsigned integer is ``unsigned + char``, and we recommend using that instead. + In order to cast a variable ``x`` to an ``unsigned char``, the + following syntax can be used:: + + (unsigned char)(x); Syntax ------ -byte(x) - +``byte(x)`` Parameters ---------- -x: a value of any type - +**x**: a value of any integer type Returns ------- -byte - +The value, converted to a ``byte``. Note, however, that if the value +is larger than the maximum value you can store in a byte (255), then +the results might be strange and unexpected. -See also +See Also -------- - -- `byte <http://arduino.cc/en/Reference/Byte>`_ +- :ref:`arduino-byte` |