Kontron KTAM3874-pITX - Manual (Page 264)

KTD-S0057-I Page 260 Linux® Programming Examples (DebianTM)
KTAM3874/pITX Software Guide
#define CMD_SIZE
4
#define CMD_WDIO "wdio"
#define CMD_GPIO "gpio"
#define CMD_EXIT "exit"
#define ACK_SIZE 3
#define ACK_STR "ok\n"
#define ACK_APP " :"
#define NAK_SIZE 4
#define NAK_STR "nok\n"
#define DATA_STR "ok - input value = %d\n"
#define CMD_STR " cmd>"
#define TIMEOUT_STR " :timeout !\n"
#define WD_ON "on"
#define WD_OFF "off"
#define WD_TRIG "trig"
#define IO_OPEN "open"
#define IO_CLOSE "close"
#define IO_DATA "data"
#define IO_IN "in"
#define IO_OUT "out"
#define IO_LOW "0"
#define IO_HIGH "1"
#define IO_DIR_IN 0
#define IO_DIR_OUT 1
#define ERROR do { fprintf (stderr, "Error: %s\n", strerror (errno)); exit (EXIT_FAILURE); } while(0)
static const char *root_rd = "/tmp/root_rd";
static const char *root_wr = "/tmp/root_wr";
static const char *wdt = "/dev/watchdog";
static const char *io_exp = "/sys/class/gpio/export";
static const char *io_unexp = "/sys/class/gpio/unexport";
static const char *io_dir = "/sys/class/gpio/gpio%d/direction";
static const char *io_val = "/sys/class/gpio/gpio%d/value";
static const int io_num [] = {
10,
11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25,
26, 27, 28, 66, 80, 81, 82, 83,
84, 41, 43, 44, 59, 60, 61, 62,
64, 66, 71, 72, 73, 74, 75, 76 };
#endif
following the sourcecode of the server application 'server.c':
/* Server application
* Copyright (c) 2014 Kontron Technology A/S
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License. */