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DigitalOut Class Reference
Anschließend wird ein Programm gezeigt, das alle Komponenten der Klassenreferenz der DigitalOut beinhaltet und mit den Kommentaren vergliechen werden kann:
DigitalOutClassReference.c
#include "mbed.h"
DigitalOut led1(LED1); // Create a DigitalOut connected to the specified pin.
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
int value = 1;
int main(void) {
led1.write(1); // Set the output, specified as 0 or 1 (int)
led2 = 1; // DigitalOut & operator= (int value) - A shorthand for write()
led3 = value; // DigitalOut & operator= (int value) - A shorthand for write()
led4 = led3; // DigitalOut & operator= (DigitalOut &rhs) - A shorthand for write() using the assignment operator which copies the state from the DigitalOut argument.
if(led2.read() ) // Return the output setting, represented as 0 or 1 (int)
printf("%d %d\n", led1.read(), led2.read());
if(led2) // operator int () - A shorthand for read()
printf("%d %d\n", led3.read(), led4.read());
return 0;
}