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author | Marti Bolivar <mbolivar@mit.edu> | 2010-10-20 06:46:52 -0400 |
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committer | Marti Bolivar <mbolivar@mit.edu> | 2010-10-20 06:46:52 -0400 |
commit | 22ff1db8a76c7047b61a424ae1fa5f43697fcb34 (patch) | |
tree | bf722c8a5a6bd40e0b33fc4a425e0e5b8b9f4216 /docs/source/arduino/include.rst | |
parent | bac6548fe90b0721e191d68df2677beb4b15f60a (diff) | |
download | librambutan-22ff1db8a76c7047b61a424ae1fa5f43697fcb34.tar.gz librambutan-22ff1db8a76c7047b61a424ae1fa5f43697fcb34.zip |
initial check-in of arduino docs in RST format (converted using wget+pandoc)
Diffstat (limited to 'docs/source/arduino/include.rst')
-rw-r--r-- | docs/source/arduino/include.rst | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/docs/source/arduino/include.rst b/docs/source/arduino/include.rst new file mode 100644 index 0000000..6d53801 --- /dev/null +++ b/docs/source/arduino/include.rst @@ -0,0 +1,42 @@ +.. _arduino-include: + +#include +======== + +**#include** is used to include outside libraries in your sketch. +This gives the programmer access to a large group of standard C +libraries (groups of pre-made functions), and also libraries +written especially for Arduino. + + + +The main reference page for AVR C libraries (AVR is a reference to +the Atmel chips on which the Arduino is based) is +`here. <http://www.nongnu.org/avr-libc/user-manual/modules.html>`_ + + + +Note that **#include**, similar to **#define**, has no semicolon +terminator, and the compiler will yield cryptic error messages if +you add one. + + + +Example +------- + +This example includes a library that is used to put data into the +program space *flash* instead of *ram*. This saves the ram space +for dynamic memory needs and makes large lookup tables more +practical. + + + +:: + + #include <avr/pgmspace.h> + + prog_uint16_t myConstants[] PROGMEM = {0, 21140, 702 , 9128, 0, 25764, 8456, + 0,0,0,0,0,0,0,0,29810,8968,29762,29762,4500}; + + |