Button Class Reference

API for the Button. More...

Detailed Description

• ID: button
• Name: Button
• Other Names: Grove Button
• Category: button
• Manufacturer: seeed
• Connection: gpio
• Kit: gsk

Basic UPM module for the button sensor

    // Create the button object using GPIO pin 0
    upm::Button* button = new upm::Button(0);

    // Read the input and print, waiting one second between readings
    while( 1 ) {
        std::cout << button->name() << " value is " << button->value() << std::endl;
        sleep(1);
    }

    // Delete the button object
    delete button;

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

Parameters

pin	Pin to use

~Button

(

)

button destructor

Member Function Documentation

std::string name

(

)

Gets the name of the sensor

Returns

Name of this sensor

int value

(

)

Gets the value from the GPIO pin

Returns

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.

Parameters

fptr	Pointer to a function to be called on interrupt
arg	Pointer to an object to be supplied as an argument to the ISR.

void uninstallISR

(

)

Uninstalls the previously installed ISR

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

• src/button/button.hpp
• src/button/button.cxx