Bitwise Controls Drivers

. Tutorial. Fundamentals of C Programming. C in an Embedded Environment.

Variables. Literal Constants. Symbolic Constants. The printf Function. Operators. Decision Statements.

Loops. Functions. Multi-File Projects & Storage Class Specifiers. Arrays and Strings.

Data Pointers. Function Pointers. Structures. Bit Fields. Unions.

Enumerations. Preprocessor Macros with #define. The bitwise operators perform Boolean algebra. Each of these operators perform their operations on each bit of the operands. For instance, if we have two four-bit binary values, the operation will be carried out between bit 0 of each value, then between bit 1 of each value and so on. In other words, these operators do a bunch of single bit operations in parallel.

OperatorOperationExampleResult (for each bit position)&Bitwise ANDx & y1, if 1 in both x and y0, if 0 in x or y or both Bitwise ORx y1, if 1 in x or y or both0, if 0 in both x and y^Bitwise XORx ^ y1, if 1 in x or y but not both0, if 0 or 1 in both x and yBitwise NOT(One's Complement)x1, if 0 in x0, if 1 in x. Notice: ARM and Cortex are the registered trademarks of ARM Limited in the EU and other countries.Information contained on this site regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications.

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