upm  1.7.1
Sensor/Actuator repository for libmraa (v2.0.0)
Public Member Functions

API for the Button. More...

Detailed Description

Basic UPM module for the button sensor

// Create the button object using GPIO pin 0
upm::Button button(0);
// Read the input and print, waiting one second between readings
while (1) {
std::cout << button.name() << " value is " << button.value() << std::endl;
// Delete the button object

Public Member Functions

 Button (unsigned int pin)
 ~Button ()
std::string name ()
int value ()
void installISR (mraa::Edge level, void(*isr)(void *), void *arg)
void uninstallISR ()

Constructor & Destructor Documentation

Button ( unsigned int  pin)

button constructor

pinPin to use
~Button ( )

button destructor

Member Function Documentation

std::string name ( )

Gets the name of the sensor

Name of this sensor
int value ( )

Gets the value from the GPIO pin

Value from the GPIO pin
void installISR ( mraa::Edge  level,
void(*)(void *)  isr,
void *  arg 

Installs an interrupt service routine (ISR) to be called when the button is activated or deactivated.

fptrPointer to a function to be called on interrupt
argPointer to an object to be supplied as an argument to the ISR.
void uninstallISR ( )

Uninstalls the previously installed ISR

The documentation for this class was generated from the following files: