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/*
* Copyright (C) 2013 Freie Universität Berlin
* 2015 Kaspar Schleiser <kaspar@schleiser.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup sys_shell_commands
* @{
*
* @file
* @brief Shell commands for random generators
*
* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
* @author Kaspar Schleiser <kaspar@schleiser.de>
* @}
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#ifdef MODULE_XTIMER
#include "xtimer.h"
#endif
#include "random.h"
int _random_init(int argc, char **argv)
{
int initval;
if (argc == 1) {
#ifdef MODULE_XTIMER
initval = xtimer_now();
printf("PRNG initialized to current time: %d\n", initval);
#else
(void)initval;
puts("xtimer module not compiled in, can't initialize by time.\n"
"Please provide a seed.\n");
return 1;
#endif
}
else {
initval = atoi(argv[1]);
printf("PRNG initialized given value: %d\n", initval);
}
random_init(initval);
return 0;
}
int _random_get(int argc, char **argv)
{
(void) argc;
(void) argv;
printf("%" PRIu32 "\n", random_uint32());
return 0;
}