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#include "buttonInterrupt.h"
void pressed(void* args) {
buttonState = 1;
}
void released(void* args) {
buttonState = 0;
}
int buttonInterrupt() {
//initialize mraa
mraa_init();
//create mraa context
mraa_gpio_context context;
//set context to GPIO 15 (J20:7)
context = mraa_gpio_init(15);
if (context == NULL) {
return -1;
}
mraa_gpio_dir(context, MRAA_GPIO_IN);
mraa_gpio_isr(context, MRAA_GPIO_EDGE_FALLING, &pressed, NULL);
mraa_gpio_isr(context, MRAA_GPIO_EDGE_RISING, &released, NULL);
return 0;
}