Sam Walsh / F7_Ethernet

Forked from STM32F7 internet for nucleo F746ZG

Dependents:   Nucleo_F746ZG_Ethernet_MQTT_Ultrasound

Fork of F7_Ethernet by Dieter Graef

lwip/netif/ppp/magic.c@0:d26c1b55cfca, 2016-06-19 (annotated)

Committer:
DieterGraef
Date:
Sun Jun 19 16:23:40 2016 +0000
Revision:
0:d26c1b55cfca
Ethernet Library for Nucleo stm32f746ZG and Disco stm32f746NG  works under arm and gcc environment

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:d26c1b55cfca 1 /*****************************************************************************
DieterGraef 0:d26c1b55cfca 2 * magic.c - Network Random Number Generator program file.
DieterGraef 0:d26c1b55cfca 3 *
DieterGraef 0:d26c1b55cfca 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
DieterGraef 0:d26c1b55cfca 5 * portions Copyright (c) 1997 by Global Election Systems Inc.
DieterGraef 0:d26c1b55cfca 6 *
DieterGraef 0:d26c1b55cfca 7 * The authors hereby grant permission to use, copy, modify, distribute,
DieterGraef 0:d26c1b55cfca 8 * and license this software and its documentation for any purpose, provided
DieterGraef 0:d26c1b55cfca 9 * that existing copyright notices are retained in all copies and that this
DieterGraef 0:d26c1b55cfca 10 * notice and the following disclaimer are included verbatim in any
DieterGraef 0:d26c1b55cfca 11 * distributions. No written agreement, license, or royalty fee is required
DieterGraef 0:d26c1b55cfca 12 * for any of the authorized uses.
DieterGraef 0:d26c1b55cfca 13 *
DieterGraef 0:d26c1b55cfca 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
DieterGraef 0:d26c1b55cfca 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
DieterGraef 0:d26c1b55cfca 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
DieterGraef 0:d26c1b55cfca 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
DieterGraef 0:d26c1b55cfca 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
DieterGraef 0:d26c1b55cfca 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DieterGraef 0:d26c1b55cfca 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
DieterGraef 0:d26c1b55cfca 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
DieterGraef 0:d26c1b55cfca 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
DieterGraef 0:d26c1b55cfca 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
DieterGraef 0:d26c1b55cfca 24 *
DieterGraef 0:d26c1b55cfca 25 ******************************************************************************
DieterGraef 0:d26c1b55cfca 26 * REVISION HISTORY
DieterGraef 0:d26c1b55cfca 27 *
DieterGraef 0:d26c1b55cfca 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
DieterGraef 0:d26c1b55cfca 29 * Ported to lwIP.
DieterGraef 0:d26c1b55cfca 30 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
DieterGraef 0:d26c1b55cfca 31 * Original based on BSD magic.c.
DieterGraef 0:d26c1b55cfca 32 *****************************************************************************/
DieterGraef 0:d26c1b55cfca 33 /*
DieterGraef 0:d26c1b55cfca 34 * magic.c - PPP Magic Number routines.
DieterGraef 0:d26c1b55cfca 35 *
DieterGraef 0:d26c1b55cfca 36 * Copyright (c) 1989 Carnegie Mellon University.
DieterGraef 0:d26c1b55cfca 37 * All rights reserved.
DieterGraef 0:d26c1b55cfca 38 *
DieterGraef 0:d26c1b55cfca 39 * Redistribution and use in source and binary forms are permitted
DieterGraef 0:d26c1b55cfca 40 * provided that the above copyright notice and this paragraph are
DieterGraef 0:d26c1b55cfca 41 * duplicated in all such forms and that any documentation,
DieterGraef 0:d26c1b55cfca 42 * advertising materials, and other materials related to such
DieterGraef 0:d26c1b55cfca 43 * distribution and use acknowledge that the software was developed
DieterGraef 0:d26c1b55cfca 44 * by Carnegie Mellon University. The name of the
DieterGraef 0:d26c1b55cfca 45 * University may not be used to endorse or promote products derived
DieterGraef 0:d26c1b55cfca 46 * from this software without specific prior written permission.
DieterGraef 0:d26c1b55cfca 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
DieterGraef 0:d26c1b55cfca 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
DieterGraef 0:d26c1b55cfca 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
DieterGraef 0:d26c1b55cfca 50 */
DieterGraef 0:d26c1b55cfca 51
DieterGraef 0:d26c1b55cfca 52 #include "lwip/opt.h"
DieterGraef 0:d26c1b55cfca 53
DieterGraef 0:d26c1b55cfca 54 #if PPP_SUPPORT
DieterGraef 0:d26c1b55cfca 55
DieterGraef 0:d26c1b55cfca 56 #include "ppp_impl.h"
DieterGraef 0:d26c1b55cfca 57 #include "randm.h"
DieterGraef 0:d26c1b55cfca 58 #include "magic.h"
DieterGraef 0:d26c1b55cfca 59
DieterGraef 0:d26c1b55cfca 60
DieterGraef 0:d26c1b55cfca 61 /*
DieterGraef 0:d26c1b55cfca 62 * magicInit - Initialize the magic number generator.
DieterGraef 0:d26c1b55cfca 63 *
DieterGraef 0:d26c1b55cfca 64 * Since we use another random number generator that has its own
DieterGraef 0:d26c1b55cfca 65 * initialization, we do nothing here.
DieterGraef 0:d26c1b55cfca 66 */
DieterGraef 0:d26c1b55cfca 67 void magicInit()
DieterGraef 0:d26c1b55cfca 68 {
DieterGraef 0:d26c1b55cfca 69 return;
DieterGraef 0:d26c1b55cfca 70 }
DieterGraef 0:d26c1b55cfca 71
DieterGraef 0:d26c1b55cfca 72 /*
DieterGraef 0:d26c1b55cfca 73 * magic - Returns the next magic number.
DieterGraef 0:d26c1b55cfca 74 */
DieterGraef 0:d26c1b55cfca 75 u32_t magic()
DieterGraef 0:d26c1b55cfca 76 {
DieterGraef 0:d26c1b55cfca 77 return avRandom();
DieterGraef 0:d26c1b55cfca 78 }
DieterGraef 0:d26c1b55cfca 79
DieterGraef 0:d26c1b55cfca 80 #endif /* PPP_SUPPORT */