WaitKey

Availability

All terminals

Description

This function blocks execution until a key is pressed.

Syntax

int WaitKey( void );

Arguments

None

Returns

When a key is pressed, the function will return the pressed key (TRIGGER_KEY or CLR_KEY)

Example

#include <stdio.h>
#include "lib.h"

void main( void )
{
    int key = -1;

    for(;;)
    {
         printf("\nPress any key");

         ResetKey();

         key = WaitKey();

         GoodReadLed((key == TRIGGER_KEY) ? GREEN : RED, 50);        // ON, 1 second
    }
}