Alvaro Cassinelli / Mbed 2 deprecated laserUI

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Dependencies:   mbed

Fork of skinGames_forktest by Alvaro Cassinelli

EthernetNetIf/LPC1768/lwip/netif/ppp/fsm.h@31:5f039cbddee8, 2012-09-23 (annotated)

Committer:
mbedalvaro
Date:
Sun Sep 23 10:11:43 2012 +0000
Revision:
31:5f039cbddee8
this is quite nice, but  I am going to make a deep modification of the bouncing principle: instead of depending on the penetration, it will just be a factor over the speed (perfect elastic bouncing being factorElastic=1, and perfectly absorption=0);

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedalvaro 31:5f039cbddee8 1 /*****************************************************************************
mbedalvaro 31:5f039cbddee8 2 * fsm.h - Network Control Protocol Finite State Machine header file.
mbedalvaro 31:5f039cbddee8 3 *
mbedalvaro 31:5f039cbddee8 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
mbedalvaro 31:5f039cbddee8 5 * Copyright (c) 1997 Global Election Systems Inc.
mbedalvaro 31:5f039cbddee8 6 *
mbedalvaro 31:5f039cbddee8 7 * The authors hereby grant permission to use, copy, modify, distribute,
mbedalvaro 31:5f039cbddee8 8 * and license this software and its documentation for any purpose, provided
mbedalvaro 31:5f039cbddee8 9 * that existing copyright notices are retained in all copies and that this
mbedalvaro 31:5f039cbddee8 10 * notice and the following disclaimer are included verbatim in any
mbedalvaro 31:5f039cbddee8 11 * distributions. No written agreement, license, or royalty fee is required
mbedalvaro 31:5f039cbddee8 12 * for any of the authorized uses.
mbedalvaro 31:5f039cbddee8 13 *
mbedalvaro 31:5f039cbddee8 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
mbedalvaro 31:5f039cbddee8 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
mbedalvaro 31:5f039cbddee8 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
mbedalvaro 31:5f039cbddee8 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
mbedalvaro 31:5f039cbddee8 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
mbedalvaro 31:5f039cbddee8 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
mbedalvaro 31:5f039cbddee8 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
mbedalvaro 31:5f039cbddee8 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbedalvaro 31:5f039cbddee8 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
mbedalvaro 31:5f039cbddee8 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbedalvaro 31:5f039cbddee8 24 *
mbedalvaro 31:5f039cbddee8 25 ******************************************************************************
mbedalvaro 31:5f039cbddee8 26 * REVISION HISTORY
mbedalvaro 31:5f039cbddee8 27 *
mbedalvaro 31:5f039cbddee8 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
mbedalvaro 31:5f039cbddee8 29 * Ported to lwIP.
mbedalvaro 31:5f039cbddee8 30 * 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
mbedalvaro 31:5f039cbddee8 31 * Original based on BSD code.
mbedalvaro 31:5f039cbddee8 32 *****************************************************************************/
mbedalvaro 31:5f039cbddee8 33 /*
mbedalvaro 31:5f039cbddee8 34 * fsm.h - {Link, IP} Control Protocol Finite State Machine definitions.
mbedalvaro 31:5f039cbddee8 35 *
mbedalvaro 31:5f039cbddee8 36 * Copyright (c) 1989 Carnegie Mellon University.
mbedalvaro 31:5f039cbddee8 37 * All rights reserved.
mbedalvaro 31:5f039cbddee8 38 *
mbedalvaro 31:5f039cbddee8 39 * Redistribution and use in source and binary forms are permitted
mbedalvaro 31:5f039cbddee8 40 * provided that the above copyright notice and this paragraph are
mbedalvaro 31:5f039cbddee8 41 * duplicated in all such forms and that any documentation,
mbedalvaro 31:5f039cbddee8 42 * advertising materials, and other materials related to such
mbedalvaro 31:5f039cbddee8 43 * distribution and use acknowledge that the software was developed
mbedalvaro 31:5f039cbddee8 44 * by Carnegie Mellon University. The name of the
mbedalvaro 31:5f039cbddee8 45 * University may not be used to endorse or promote products derived
mbedalvaro 31:5f039cbddee8 46 * from this software without specific prior written permission.
mbedalvaro 31:5f039cbddee8 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
mbedalvaro 31:5f039cbddee8 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
mbedalvaro 31:5f039cbddee8 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
mbedalvaro 31:5f039cbddee8 50 *
mbedalvaro 31:5f039cbddee8 51 * $Id: fsm.h,v 1.5 2009/12/31 17:08:08 goldsimon Exp $
mbedalvaro 31:5f039cbddee8 52 */
mbedalvaro 31:5f039cbddee8 53
mbedalvaro 31:5f039cbddee8 54 #ifndef FSM_H
mbedalvaro 31:5f039cbddee8 55 #define FSM_H
mbedalvaro 31:5f039cbddee8 56
mbedalvaro 31:5f039cbddee8 57 /*
mbedalvaro 31:5f039cbddee8 58 * LCP Packet header = Code, id, length.
mbedalvaro 31:5f039cbddee8 59 */
mbedalvaro 31:5f039cbddee8 60 #define HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
mbedalvaro 31:5f039cbddee8 61
mbedalvaro 31:5f039cbddee8 62
mbedalvaro 31:5f039cbddee8 63 /*
mbedalvaro 31:5f039cbddee8 64 * CP (LCP, IPCP, etc.) codes.
mbedalvaro 31:5f039cbddee8 65 */
mbedalvaro 31:5f039cbddee8 66 #define CONFREQ 1 /* Configuration Request */
mbedalvaro 31:5f039cbddee8 67 #define CONFACK 2 /* Configuration Ack */
mbedalvaro 31:5f039cbddee8 68 #define CONFNAK 3 /* Configuration Nak */
mbedalvaro 31:5f039cbddee8 69 #define CONFREJ 4 /* Configuration Reject */
mbedalvaro 31:5f039cbddee8 70 #define TERMREQ 5 /* Termination Request */
mbedalvaro 31:5f039cbddee8 71 #define TERMACK 6 /* Termination Ack */
mbedalvaro 31:5f039cbddee8 72 #define CODEREJ 7 /* Code Reject */
mbedalvaro 31:5f039cbddee8 73
mbedalvaro 31:5f039cbddee8 74
mbedalvaro 31:5f039cbddee8 75 /*
mbedalvaro 31:5f039cbddee8 76 * Each FSM is described by an fsm structure and fsm callbacks.
mbedalvaro 31:5f039cbddee8 77 */
mbedalvaro 31:5f039cbddee8 78 typedef struct fsm {
mbedalvaro 31:5f039cbddee8 79 int unit; /* Interface unit number */
mbedalvaro 31:5f039cbddee8 80 u_short protocol; /* Data Link Layer Protocol field value */
mbedalvaro 31:5f039cbddee8 81 int state; /* State */
mbedalvaro 31:5f039cbddee8 82 int flags; /* Contains option bits */
mbedalvaro 31:5f039cbddee8 83 u_char id; /* Current id */
mbedalvaro 31:5f039cbddee8 84 u_char reqid; /* Current request id */
mbedalvaro 31:5f039cbddee8 85 u_char seen_ack; /* Have received valid Ack/Nak/Rej to Req */
mbedalvaro 31:5f039cbddee8 86 int timeouttime; /* Timeout time in milliseconds */
mbedalvaro 31:5f039cbddee8 87 int maxconfreqtransmits; /* Maximum Configure-Request transmissions */
mbedalvaro 31:5f039cbddee8 88 int retransmits; /* Number of retransmissions left */
mbedalvaro 31:5f039cbddee8 89 int maxtermtransmits; /* Maximum Terminate-Request transmissions */
mbedalvaro 31:5f039cbddee8 90 int nakloops; /* Number of nak loops since last ack */
mbedalvaro 31:5f039cbddee8 91 int maxnakloops; /* Maximum number of nak loops tolerated */
mbedalvaro 31:5f039cbddee8 92 struct fsm_callbacks* callbacks; /* Callback routines */
mbedalvaro 31:5f039cbddee8 93 char* term_reason; /* Reason for closing protocol */
mbedalvaro 31:5f039cbddee8 94 int term_reason_len; /* Length of term_reason */
mbedalvaro 31:5f039cbddee8 95 } fsm;
mbedalvaro 31:5f039cbddee8 96
mbedalvaro 31:5f039cbddee8 97
mbedalvaro 31:5f039cbddee8 98 typedef struct fsm_callbacks {
mbedalvaro 31:5f039cbddee8 99 void (*resetci)(fsm*); /* Reset our Configuration Information */
mbedalvaro 31:5f039cbddee8 100 int (*cilen)(fsm*); /* Length of our Configuration Information */
mbedalvaro 31:5f039cbddee8 101 void (*addci)(fsm*, u_char*, int*); /* Add our Configuration Information */
mbedalvaro 31:5f039cbddee8 102 int (*ackci)(fsm*, u_char*, int); /* ACK our Configuration Information */
mbedalvaro 31:5f039cbddee8 103 int (*nakci)(fsm*, u_char*, int); /* NAK our Configuration Information */
mbedalvaro 31:5f039cbddee8 104 int (*rejci)(fsm*, u_char*, int); /* Reject our Configuration Information */
mbedalvaro 31:5f039cbddee8 105 int (*reqci)(fsm*, u_char*, int*, int); /* Request peer's Configuration Information */
mbedalvaro 31:5f039cbddee8 106 void (*up)(fsm*); /* Called when fsm reaches LS_OPENED state */
mbedalvaro 31:5f039cbddee8 107 void (*down)(fsm*); /* Called when fsm leaves LS_OPENED state */
mbedalvaro 31:5f039cbddee8 108 void (*starting)(fsm*); /* Called when we want the lower layer */
mbedalvaro 31:5f039cbddee8 109 void (*finished)(fsm*); /* Called when we don't want the lower layer */
mbedalvaro 31:5f039cbddee8 110 void (*protreject)(int); /* Called when Protocol-Reject received */
mbedalvaro 31:5f039cbddee8 111 void (*retransmit)(fsm*); /* Retransmission is necessary */
mbedalvaro 31:5f039cbddee8 112 int (*extcode)(fsm*, int, u_char, u_char*, int); /* Called when unknown code received */
mbedalvaro 31:5f039cbddee8 113 char *proto_name; /* String name for protocol (for messages) */
mbedalvaro 31:5f039cbddee8 114 } fsm_callbacks;
mbedalvaro 31:5f039cbddee8 115
mbedalvaro 31:5f039cbddee8 116
mbedalvaro 31:5f039cbddee8 117 /*
mbedalvaro 31:5f039cbddee8 118 * Link states.
mbedalvaro 31:5f039cbddee8 119 */
mbedalvaro 31:5f039cbddee8 120 #define LS_INITIAL 0 /* Down, hasn't been opened */
mbedalvaro 31:5f039cbddee8 121 #define LS_STARTING 1 /* Down, been opened */
mbedalvaro 31:5f039cbddee8 122 #define LS_CLOSED 2 /* Up, hasn't been opened */
mbedalvaro 31:5f039cbddee8 123 #define LS_STOPPED 3 /* Open, waiting for down event */
mbedalvaro 31:5f039cbddee8 124 #define LS_CLOSING 4 /* Terminating the connection, not open */
mbedalvaro 31:5f039cbddee8 125 #define LS_STOPPING 5 /* Terminating, but open */
mbedalvaro 31:5f039cbddee8 126 #define LS_REQSENT 6 /* We've sent a Config Request */
mbedalvaro 31:5f039cbddee8 127 #define LS_ACKRCVD 7 /* We've received a Config Ack */
mbedalvaro 31:5f039cbddee8 128 #define LS_ACKSENT 8 /* We've sent a Config Ack */
mbedalvaro 31:5f039cbddee8 129 #define LS_OPENED 9 /* Connection available */
mbedalvaro 31:5f039cbddee8 130
mbedalvaro 31:5f039cbddee8 131 /*
mbedalvaro 31:5f039cbddee8 132 * Flags - indicate options controlling FSM operation
mbedalvaro 31:5f039cbddee8 133 */
mbedalvaro 31:5f039cbddee8 134 #define OPT_PASSIVE 1 /* Don't die if we don't get a response */
mbedalvaro 31:5f039cbddee8 135 #define OPT_RESTART 2 /* Treat 2nd OPEN as DOWN, UP */
mbedalvaro 31:5f039cbddee8 136 #define OPT_SILENT 4 /* Wait for peer to speak first */
mbedalvaro 31:5f039cbddee8 137
mbedalvaro 31:5f039cbddee8 138
mbedalvaro 31:5f039cbddee8 139 /*
mbedalvaro 31:5f039cbddee8 140 * Prototypes
mbedalvaro 31:5f039cbddee8 141 */
mbedalvaro 31:5f039cbddee8 142 void fsm_init (fsm*);
mbedalvaro 31:5f039cbddee8 143 void fsm_lowerup (fsm*);
mbedalvaro 31:5f039cbddee8 144 void fsm_lowerdown (fsm*);
mbedalvaro 31:5f039cbddee8 145 void fsm_open (fsm*);
mbedalvaro 31:5f039cbddee8 146 void fsm_close (fsm*, char*);
mbedalvaro 31:5f039cbddee8 147 void fsm_input (fsm*, u_char*, int);
mbedalvaro 31:5f039cbddee8 148 void fsm_protreject (fsm*);
mbedalvaro 31:5f039cbddee8 149 void fsm_sdata (fsm*, u_char, u_char, u_char*, int);
mbedalvaro 31:5f039cbddee8 150
mbedalvaro 31:5f039cbddee8 151
mbedalvaro 31:5f039cbddee8 152 /*
mbedalvaro 31:5f039cbddee8 153 * Variables
mbedalvaro 31:5f039cbddee8 154 */
mbedalvaro 31:5f039cbddee8 155 extern int peer_mru[]; /* currently negotiated peer MRU (per unit) */
mbedalvaro 31:5f039cbddee8 156
mbedalvaro 31:5f039cbddee8 157 #endif /* FSM_H */