Example: blink user LED 3. More...
#include "stdio.h"
#include <termios.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/time.h>
#include "libpruio/pruio.h"
Go to the source code of this file.
Macros | |
#define | _GNU_SOURCE 1 |
Message for the compiler. | |
#define | PIN 24 |
The CPU ball to control (user LED 3). | |
#define | OUT_K pruio_gpio_setValue(io, PIN, 128 + pinmode) ; isleep(150) ; pruio_gpio_setValue(io, PIN, pinmode) ; isleep(100) ; |
Output a short blink. | |
#define | OUT_L pruio_gpio_setValue(io, PIN, 128 + pinmode) ; isleep(350) ; pruio_gpio_setValue(io, PIN, pinmode) ; isleep(100) ; |
Output a long blink. | |
#define | OUT_S OUT_K ; OUT_K ; OUT_K ; isleep(150) |
Output a 'S' (short - short - short). | |
#define | OUT_O OUT_L ; OUT_L ; OUT_L ; isleep(150) |
Output an 'O' (long - long - long). | |
Functions | |
int | isleep (unsigned int mseconds) |
Wait for keystroke or timeout. More... | |
int | main (int argc, char **argv) |
The main function. More... | |
Example: blink user LED 3.
This file contains an example on how to use libpruio to control the user LED 3 (near ethernet connector) on the beaglebone board. It shows how to unlock a CPU ball that is used by the system. And it shows how to control the unlocked ball. Find a functional description in section sos.
Licence: GPLv3, Copyright 2014-2023 by Thomas{ doT ]Freiherr[ At ]gmx[ DoT }net
Compile by: gcc -Wall -o sos sos.c -lpruio
Definition in file sos.c.
int isleep | ( | unsigned int | mseconds | ) |