Button: Add string based constructor

Signed-off-by: Adelin Dobre <adelin.dobre@rinftech.com>
This commit is contained in:
Adelin Dobre 2018-07-23 17:12:40 +03:00 committed by Stefan Andritoiu
parent 74f87ce082
commit 3acbb3d3d7
2 changed files with 25 additions and 0 deletions

View File

@ -44,6 +44,23 @@ Button::Button(unsigned int pin)
m_name = "Button Sensor";
}
Button::Button(std::string initStr) : mraaIo(initStr)
{
mraa_io_descriptor* descs = mraaIo.getMraaDescriptors();
if(!descs->gpios) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
} else {
if( !(m_gpio = descs->gpios[0]) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
}
}
mraa_gpio_dir(m_gpio, MRAA_GPIO_IN);
m_name = "Button Sensor";
}
Button::~Button()
{
mraa_gpio_close(m_gpio);

View File

@ -27,6 +27,7 @@
#pragma once
#include <string>
#include <mraa/initio.hpp>
#include <mraa/gpio.hpp>
namespace upm {
@ -62,6 +63,12 @@ class Button{
* @param pin Pin to use
*/
Button(unsigned int pin);
/**
* Instantiates Button/Switch Library based on a given string.
*
* @param initStr string containing specific information for Button initialization.
*/
Button(std::string initStr);
/**
* button destructor
*/
@ -99,5 +106,6 @@ class Button{
bool m_isrInstalled;
std::string m_name;
mraa_gpio_context m_gpio;
mraa::MraaIo mraaIo;
};
}