Framework (A-Z)

Reference for Wiring version 1.0 Build 0100+ If you have a previous version, use the reference included with your software. If see any errors or have any comments, let us know.

Name

for()
Examples 
// set pins 8-15 to HIGH
for (int i=8; i<16; i=i+1) {
  digitalWrite(i, HIGH);
}
Description Controls a sequence of repetitions. A for() structure has three parts: init, test, and update. Each part must be separated by a semi-colon ";". The loop continues until the test evaluates to false. When a for() structure is executed, the following sequence of events occurs:
1. The init statement is executed
2. The test is evaluated to be true or false
3. If the test is true, jump to step 4. If the test is False, jump to step 6
4. Execute the statements within the block
5. Execute the update statement and jump to step 2
6. Exit the loop.
Syntax 
for (init; test; update) { 
  statements
}
Parameters
init statement executed once when beginning loop
test if the test evaluates to true, the statements execute
update executes at the end of each iteration
statements collection of statements executed each time through the loop
Usage Application
Related while()
Updated on July 07, 2011 11:08:18pm PDT

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