Processing

GPIO

The GPIO class reads and writes from General Purpose I/O pins

• GPIO()

• attachInterrupt()Calls a function when the value of an input pin changes
• digitalRead()Returns the value of an input pin
• digitalWrite()Sets an output pin to be either high or low
• interrupts()Allows interrupts to happen
• noInterrupts()Prevents interrupts from happpening
• pinMode()Configures a pin to act either as input or output
• releaseInterrupt()Stops listening for interrupts on an input pin
• releasePin()Gives ownership of a pin back to the operating system
• waitFor()Waits for the value of an input pin to change
• waitFor()Waits for the value of an input pin to change