From d9cbd78e29d42e70bb46641dd43ee0772c8c975f Mon Sep 17 00:00:00 2001 From: Marti Bolivar Date: Sun, 28 Nov 2010 11:23:33 -0500 Subject: reorganized all the arduino/ docs into a lang/ subdirectory since they're properly CC attributed now. --- source/arduino/randomseed.rst | 73 ------------------------------------------- 1 file changed, 73 deletions(-) delete mode 100644 source/arduino/randomseed.rst (limited to 'source/arduino/randomseed.rst') diff --git a/source/arduino/randomseed.rst b/source/arduino/randomseed.rst deleted file mode 100644 index 983c66d..0000000 --- a/source/arduino/randomseed.rst +++ /dev/null @@ -1,73 +0,0 @@ -.. _arduino-randomseed: - -randomSeed(seed) -================ - -Description ------------ - -randomSeed() initializes the pseudo-random number generator, -causing it to start at an arbitrary point in its random sequence. -This sequence, while very long, and random, is always the same. - - - -If it is important for a sequence of values generated by random() -to differ, on subsequent executions of a sketch, use randomSeed() -to initialize the random number generator with a fairly random -input, such as analogRead() on an unconnected pin. - - - -Conversely, it can occasionally be useful to use pseudo-random -sequences that repeat exactly. This can be accomplished by calling -randomSeed() with a fixed number, before starting the random -sequence. - - - -Parameters ----------- - -long, int - pass a number to generate the seed. - - - -Returns -------- - -no returns - - - -Example -------- - -:: - - long randNumber; - - void setup(){ - Serial.begin(9600); - randomSeed(analogRead(0)); - } - - void loop(){ - randNumber = random(300); - Serial.println(randNumber); - - delay(50); - } - - - -See also --------- - - -- `random `_ - - - - -.. include:: cc-attribution.txt \ No newline at end of file -- cgit v1.2.3