This short program illustrates how to use the DS130x_I2C library. My objective is to share the same RTC with Microchip 18F MCU.

Dependencies:   mbed DebugLibrary

Committer:
Yann
Date:
Fri Feb 11 10:17:20 2011 +0000
Revision:
1:995212d326ca
Parent:
0:f30e2135b0db
V0.0.0.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Yann 0:f30e2135b0db 1 /*****************************************************************************
Yann 0:f30e2135b0db 2 * pap.h - PPP Password Authentication Protocol header file.
Yann 0:f30e2135b0db 3 *
Yann 0:f30e2135b0db 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
Yann 0:f30e2135b0db 5 * portions Copyright (c) 1997 Global Election Systems Inc.
Yann 0:f30e2135b0db 6 *
Yann 0:f30e2135b0db 7 * The authors hereby grant permission to use, copy, modify, distribute,
Yann 0:f30e2135b0db 8 * and license this software and its documentation for any purpose, provided
Yann 0:f30e2135b0db 9 * that existing copyright notices are retained in all copies and that this
Yann 0:f30e2135b0db 10 * notice and the following disclaimer are included verbatim in any
Yann 0:f30e2135b0db 11 * distributions. No written agreement, license, or royalty fee is required
Yann 0:f30e2135b0db 12 * for any of the authorized uses.
Yann 0:f30e2135b0db 13 *
Yann 0:f30e2135b0db 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
Yann 0:f30e2135b0db 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Yann 0:f30e2135b0db 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Yann 0:f30e2135b0db 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
Yann 0:f30e2135b0db 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
Yann 0:f30e2135b0db 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Yann 0:f30e2135b0db 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Yann 0:f30e2135b0db 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Yann 0:f30e2135b0db 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
Yann 0:f30e2135b0db 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Yann 0:f30e2135b0db 24 *
Yann 0:f30e2135b0db 25 ******************************************************************************
Yann 0:f30e2135b0db 26 * REVISION HISTORY
Yann 0:f30e2135b0db 27 *
Yann 0:f30e2135b0db 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
Yann 0:f30e2135b0db 29 * Ported to lwIP.
Yann 0:f30e2135b0db 30 * 97-12-04 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
Yann 0:f30e2135b0db 31 * Original derived from BSD codes.
Yann 0:f30e2135b0db 32 *****************************************************************************/
Yann 0:f30e2135b0db 33 /*
Yann 0:f30e2135b0db 34 * upap.h - User/Password Authentication Protocol definitions.
Yann 0:f30e2135b0db 35 *
Yann 0:f30e2135b0db 36 * Copyright (c) 1989 Carnegie Mellon University.
Yann 0:f30e2135b0db 37 * All rights reserved.
Yann 0:f30e2135b0db 38 *
Yann 0:f30e2135b0db 39 * Redistribution and use in source and binary forms are permitted
Yann 0:f30e2135b0db 40 * provided that the above copyright notice and this paragraph are
Yann 0:f30e2135b0db 41 * duplicated in all such forms and that any documentation,
Yann 0:f30e2135b0db 42 * advertising materials, and other materials related to such
Yann 0:f30e2135b0db 43 * distribution and use acknowledge that the software was developed
Yann 0:f30e2135b0db 44 * by Carnegie Mellon University. The name of the
Yann 0:f30e2135b0db 45 * University may not be used to endorse or promote products derived
Yann 0:f30e2135b0db 46 * from this software without specific prior written permission.
Yann 0:f30e2135b0db 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
Yann 0:f30e2135b0db 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
Yann 0:f30e2135b0db 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Yann 0:f30e2135b0db 50 */
Yann 0:f30e2135b0db 51
Yann 0:f30e2135b0db 52 #ifndef PAP_H
Yann 0:f30e2135b0db 53 #define PAP_H
Yann 0:f30e2135b0db 54
Yann 0:f30e2135b0db 55 #if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
Yann 0:f30e2135b0db 56
Yann 0:f30e2135b0db 57 /*
Yann 0:f30e2135b0db 58 * Packet header = Code, id, length.
Yann 0:f30e2135b0db 59 */
Yann 0:f30e2135b0db 60 #define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
Yann 0:f30e2135b0db 61
Yann 0:f30e2135b0db 62
Yann 0:f30e2135b0db 63 /*
Yann 0:f30e2135b0db 64 * UPAP codes.
Yann 0:f30e2135b0db 65 */
Yann 0:f30e2135b0db 66 #define UPAP_AUTHREQ 1 /* Authenticate-Request */
Yann 0:f30e2135b0db 67 #define UPAP_AUTHACK 2 /* Authenticate-Ack */
Yann 0:f30e2135b0db 68 #define UPAP_AUTHNAK 3 /* Authenticate-Nak */
Yann 0:f30e2135b0db 69
Yann 0:f30e2135b0db 70 /*
Yann 0:f30e2135b0db 71 * Each interface is described by upap structure.
Yann 0:f30e2135b0db 72 */
Yann 0:f30e2135b0db 73 typedef struct upap_state {
Yann 0:f30e2135b0db 74 int us_unit; /* Interface unit number */
Yann 0:f30e2135b0db 75 const char *us_user; /* User */
Yann 0:f30e2135b0db 76 int us_userlen; /* User length */
Yann 0:f30e2135b0db 77 const char *us_passwd; /* Password */
Yann 0:f30e2135b0db 78 int us_passwdlen; /* Password length */
Yann 0:f30e2135b0db 79 int us_clientstate; /* Client state */
Yann 0:f30e2135b0db 80 int us_serverstate; /* Server state */
Yann 0:f30e2135b0db 81 u_char us_id; /* Current id */
Yann 0:f30e2135b0db 82 int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */
Yann 0:f30e2135b0db 83 int us_transmits; /* Number of auth-reqs sent */
Yann 0:f30e2135b0db 84 int us_maxtransmits; /* Maximum number of auth-reqs to send */
Yann 0:f30e2135b0db 85 int us_reqtimeout; /* Time to wait for auth-req from peer */
Yann 0:f30e2135b0db 86 } upap_state;
Yann 0:f30e2135b0db 87
Yann 0:f30e2135b0db 88 /*
Yann 0:f30e2135b0db 89 * Client states.
Yann 0:f30e2135b0db 90 */
Yann 0:f30e2135b0db 91 #define UPAPCS_INITIAL 0 /* Connection down */
Yann 0:f30e2135b0db 92 #define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */
Yann 0:f30e2135b0db 93 #define UPAPCS_PENDING 2 /* Connection down, have requested auth */
Yann 0:f30e2135b0db 94 #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */
Yann 0:f30e2135b0db 95 #define UPAPCS_OPEN 4 /* We've received an Ack */
Yann 0:f30e2135b0db 96 #define UPAPCS_BADAUTH 5 /* We've received a Nak */
Yann 0:f30e2135b0db 97
Yann 0:f30e2135b0db 98 /*
Yann 0:f30e2135b0db 99 * Server states.
Yann 0:f30e2135b0db 100 */
Yann 0:f30e2135b0db 101 #define UPAPSS_INITIAL 0 /* Connection down */
Yann 0:f30e2135b0db 102 #define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */
Yann 0:f30e2135b0db 103 #define UPAPSS_PENDING 2 /* Connection down, have requested auth */
Yann 0:f30e2135b0db 104 #define UPAPSS_LISTEN 3 /* Listening for an Authenticate */
Yann 0:f30e2135b0db 105 #define UPAPSS_OPEN 4 /* We've sent an Ack */
Yann 0:f30e2135b0db 106 #define UPAPSS_BADAUTH 5 /* We've sent a Nak */
Yann 0:f30e2135b0db 107
Yann 0:f30e2135b0db 108
Yann 0:f30e2135b0db 109 extern upap_state upap[];
Yann 0:f30e2135b0db 110
Yann 0:f30e2135b0db 111 void upap_authwithpeer (int, char *, char *);
Yann 0:f30e2135b0db 112 void upap_authpeer (int);
Yann 0:f30e2135b0db 113
Yann 0:f30e2135b0db 114 extern struct protent pap_protent;
Yann 0:f30e2135b0db 115
Yann 0:f30e2135b0db 116 #endif /* PAP_SUPPORT */
Yann 0:f30e2135b0db 117
Yann 0:f30e2135b0db 118 #endif /* PAP_H */