View source for Assignment by bitwise OR

=|(Compound bitwise or)

'''Description'''<br>
Compound bitwise is represented by "|=", which is used to set one bit of a variable or a constant as 0 or 1. 


'''Syntax'''<br>
<pre style="color:green">
x |= y;       // equal to x = x | y; 
</pre>


'''Parameters'''<br>
x: char, int, or long int variable
y: char, int, or long int constant


'''Example'''<br>
Look at the usage of '''bitwise or(|)''' firstly.
<pre style="color:green">
    0  0  1  1    operand 1
    0  1  0  1    operand 2
    ----------
    0  1  1  1    (operand 1 & operand 2) - Returned value
</pre>
[[https://wiki.microduino.cc/index.php/Arduino_Syntax_Manual Return to Arduino Syntax Manual]]