Derek Cheung / Mbed 2 deprecated NTP_LED_CLOCK

Read NTP time from Ethernet and drive six 7-segment LEDs using a MAX7221 to show time, date, month, week, year etc....

Dependencies:   NTPClient_NetServices mbed

LPC1768/lwip/include/netif/etharp.h@0:e083abcfe7a8, 2011-06-22 (annotated)

Committer:
cheungderek
Date:
Wed Jun 22 01:31:47 2011 +0000
Revision:
0:e083abcfe7a8
First release.

Just some testing but working code to read NTP time and drive 6 LEDs to display time, date, month, year etc...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cheungderek 0:e083abcfe7a8 1 /*
cheungderek 0:e083abcfe7a8 2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
cheungderek 0:e083abcfe7a8 3 * Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
cheungderek 0:e083abcfe7a8 4 * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
cheungderek 0:e083abcfe7a8 5 * All rights reserved.
cheungderek 0:e083abcfe7a8 6 *
cheungderek 0:e083abcfe7a8 7 * Redistribution and use in source and binary forms, with or without modification,
cheungderek 0:e083abcfe7a8 8 * are permitted provided that the following conditions are met:
cheungderek 0:e083abcfe7a8 9 *
cheungderek 0:e083abcfe7a8 10 * 1. Redistributions of source code must retain the above copyright notice,
cheungderek 0:e083abcfe7a8 11 * this list of conditions and the following disclaimer.
cheungderek 0:e083abcfe7a8 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
cheungderek 0:e083abcfe7a8 13 * this list of conditions and the following disclaimer in the documentation
cheungderek 0:e083abcfe7a8 14 * and/or other materials provided with the distribution.
cheungderek 0:e083abcfe7a8 15 * 3. The name of the author may not be used to endorse or promote products
cheungderek 0:e083abcfe7a8 16 * derived from this software without specific prior written permission.
cheungderek 0:e083abcfe7a8 17 *
cheungderek 0:e083abcfe7a8 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
cheungderek 0:e083abcfe7a8 19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
cheungderek 0:e083abcfe7a8 20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
cheungderek 0:e083abcfe7a8 21 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
cheungderek 0:e083abcfe7a8 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
cheungderek 0:e083abcfe7a8 23 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
cheungderek 0:e083abcfe7a8 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
cheungderek 0:e083abcfe7a8 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
cheungderek 0:e083abcfe7a8 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
cheungderek 0:e083abcfe7a8 27 * OF SUCH DAMAGE.
cheungderek 0:e083abcfe7a8 28 *
cheungderek 0:e083abcfe7a8 29 * This file is part of the lwIP TCP/IP stack.
cheungderek 0:e083abcfe7a8 30 *
cheungderek 0:e083abcfe7a8 31 * Author: Adam Dunkels <adam@sics.se>
cheungderek 0:e083abcfe7a8 32 *
cheungderek 0:e083abcfe7a8 33 */
cheungderek 0:e083abcfe7a8 34
cheungderek 0:e083abcfe7a8 35 #ifndef __NETIF_ETHARP_H__
cheungderek 0:e083abcfe7a8 36 #define __NETIF_ETHARP_H__
cheungderek 0:e083abcfe7a8 37
cheungderek 0:e083abcfe7a8 38 #include "lwip/opt.h"
cheungderek 0:e083abcfe7a8 39
cheungderek 0:e083abcfe7a8 40 #if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
cheungderek 0:e083abcfe7a8 41
cheungderek 0:e083abcfe7a8 42 #include "lwip/pbuf.h"
cheungderek 0:e083abcfe7a8 43 #include "lwip/ip_addr.h"
cheungderek 0:e083abcfe7a8 44 #include "lwip/netif.h"
cheungderek 0:e083abcfe7a8 45 #include "lwip/ip.h"
cheungderek 0:e083abcfe7a8 46
cheungderek 0:e083abcfe7a8 47 #ifdef __cplusplus
cheungderek 0:e083abcfe7a8 48 extern "C" {
cheungderek 0:e083abcfe7a8 49 #endif
cheungderek 0:e083abcfe7a8 50
cheungderek 0:e083abcfe7a8 51 #ifndef ETHARP_HWADDR_LEN
cheungderek 0:e083abcfe7a8 52 #define ETHARP_HWADDR_LEN 6
cheungderek 0:e083abcfe7a8 53 #endif
cheungderek 0:e083abcfe7a8 54
cheungderek 0:e083abcfe7a8 55 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 56 # include "arch/bpstruct.h"
cheungderek 0:e083abcfe7a8 57 #endif
cheungderek 0:e083abcfe7a8 58 PACK_STRUCT_BEGIN
cheungderek 0:e083abcfe7a8 59 struct eth_addr {
cheungderek 0:e083abcfe7a8 60 PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]);
cheungderek 0:e083abcfe7a8 61 } PACK_STRUCT_STRUCT;
cheungderek 0:e083abcfe7a8 62 PACK_STRUCT_END
cheungderek 0:e083abcfe7a8 63 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 64 # include "arch/epstruct.h"
cheungderek 0:e083abcfe7a8 65 #endif
cheungderek 0:e083abcfe7a8 66
cheungderek 0:e083abcfe7a8 67 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 68 # include "arch/bpstruct.h"
cheungderek 0:e083abcfe7a8 69 #endif
cheungderek 0:e083abcfe7a8 70 PACK_STRUCT_BEGIN
cheungderek 0:e083abcfe7a8 71 /* Ethernet header */
cheungderek 0:e083abcfe7a8 72 struct eth_hdr {
cheungderek 0:e083abcfe7a8 73 #if ETH_PAD_SIZE
cheungderek 0:e083abcfe7a8 74 PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]);
cheungderek 0:e083abcfe7a8 75 #endif
cheungderek 0:e083abcfe7a8 76 PACK_STRUCT_FIELD(struct eth_addr dest);
cheungderek 0:e083abcfe7a8 77 PACK_STRUCT_FIELD(struct eth_addr src);
cheungderek 0:e083abcfe7a8 78 PACK_STRUCT_FIELD(u16_t type);
cheungderek 0:e083abcfe7a8 79 } PACK_STRUCT_STRUCT;
cheungderek 0:e083abcfe7a8 80 PACK_STRUCT_END
cheungderek 0:e083abcfe7a8 81 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 82 # include "arch/epstruct.h"
cheungderek 0:e083abcfe7a8 83 #endif
cheungderek 0:e083abcfe7a8 84
cheungderek 0:e083abcfe7a8 85 #define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
cheungderek 0:e083abcfe7a8 86
cheungderek 0:e083abcfe7a8 87 #if ETHARP_SUPPORT_VLAN
cheungderek 0:e083abcfe7a8 88
cheungderek 0:e083abcfe7a8 89 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 90 # include "arch/bpstruct.h"
cheungderek 0:e083abcfe7a8 91 #endif
cheungderek 0:e083abcfe7a8 92 PACK_STRUCT_BEGIN
cheungderek 0:e083abcfe7a8 93 /* VLAN header inserted between ethernet header and payload
cheungderek 0:e083abcfe7a8 94 * if 'type' in ethernet header is ETHTYPE_VLAN.
cheungderek 0:e083abcfe7a8 95 * See IEEE802.Q */
cheungderek 0:e083abcfe7a8 96 struct eth_vlan_hdr {
cheungderek 0:e083abcfe7a8 97 PACK_STRUCT_FIELD(u16_t tpid);
cheungderek 0:e083abcfe7a8 98 PACK_STRUCT_FIELD(u16_t prio_vid);
cheungderek 0:e083abcfe7a8 99 } PACK_STRUCT_STRUCT;
cheungderek 0:e083abcfe7a8 100 PACK_STRUCT_END
cheungderek 0:e083abcfe7a8 101 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 102 # include "arch/epstruct.h"
cheungderek 0:e083abcfe7a8 103 #endif
cheungderek 0:e083abcfe7a8 104
cheungderek 0:e083abcfe7a8 105 #define SIZEOF_VLAN_HDR 4
cheungderek 0:e083abcfe7a8 106 #define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
cheungderek 0:e083abcfe7a8 107
cheungderek 0:e083abcfe7a8 108 #endif /* ETHARP_SUPPORT_VLAN */
cheungderek 0:e083abcfe7a8 109
cheungderek 0:e083abcfe7a8 110 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 111 # include "arch/bpstruct.h"
cheungderek 0:e083abcfe7a8 112 #endif
cheungderek 0:e083abcfe7a8 113 PACK_STRUCT_BEGIN
cheungderek 0:e083abcfe7a8 114 /* the ARP message, see RFC 826 ("Packet format") */
cheungderek 0:e083abcfe7a8 115 struct etharp_hdr {
cheungderek 0:e083abcfe7a8 116 PACK_STRUCT_FIELD(u16_t hwtype);
cheungderek 0:e083abcfe7a8 117 PACK_STRUCT_FIELD(u16_t proto);
cheungderek 0:e083abcfe7a8 118 PACK_STRUCT_FIELD(u8_t hwlen);
cheungderek 0:e083abcfe7a8 119 PACK_STRUCT_FIELD(u8_t protolen);
cheungderek 0:e083abcfe7a8 120 PACK_STRUCT_FIELD(u16_t opcode);
cheungderek 0:e083abcfe7a8 121 PACK_STRUCT_FIELD(struct eth_addr shwaddr);
cheungderek 0:e083abcfe7a8 122 PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
cheungderek 0:e083abcfe7a8 123 PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
cheungderek 0:e083abcfe7a8 124 PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
cheungderek 0:e083abcfe7a8 125 } PACK_STRUCT_STRUCT;
cheungderek 0:e083abcfe7a8 126 PACK_STRUCT_END
cheungderek 0:e083abcfe7a8 127 #ifdef PACK_STRUCT_USE_INCLUDES
cheungderek 0:e083abcfe7a8 128 # include "arch/epstruct.h"
cheungderek 0:e083abcfe7a8 129 #endif
cheungderek 0:e083abcfe7a8 130
cheungderek 0:e083abcfe7a8 131 #define SIZEOF_ETHARP_HDR 28
cheungderek 0:e083abcfe7a8 132 #define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
cheungderek 0:e083abcfe7a8 133
cheungderek 0:e083abcfe7a8 134 /* 5 seconds period */
cheungderek 0:e083abcfe7a8 135 #define ARP_TMR_INTERVAL 5000
cheungderek 0:e083abcfe7a8 136
cheungderek 0:e083abcfe7a8 137 #define ETHTYPE_ARP 0x0806
cheungderek 0:e083abcfe7a8 138 #define ETHTYPE_IP 0x0800
cheungderek 0:e083abcfe7a8 139 #define ETHTYPE_VLAN 0x8100
cheungderek 0:e083abcfe7a8 140 #define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
cheungderek 0:e083abcfe7a8 141 #define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
cheungderek 0:e083abcfe7a8 142
cheungderek 0:e083abcfe7a8 143 /* MEMCPY-like macro to copy to/from struct eth_addr's that are local variables
cheungderek 0:e083abcfe7a8 144 * or known to be 32-bit aligned within the protocol header. */
cheungderek 0:e083abcfe7a8 145 #ifndef ETHADDR32_COPY
cheungderek 0:e083abcfe7a8 146 #define ETHADDR32_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
cheungderek 0:e083abcfe7a8 147 #endif
cheungderek 0:e083abcfe7a8 148
cheungderek 0:e083abcfe7a8 149 /* MEMCPY-like macro to copy to/from struct eth_addr's that are no local
cheungderek 0:e083abcfe7a8 150 * variables and known to be 16-bit aligned within the protocol header. */
cheungderek 0:e083abcfe7a8 151 #ifndef ETHADDR16_COPY
cheungderek 0:e083abcfe7a8 152 #define ETHADDR16_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
cheungderek 0:e083abcfe7a8 153 #endif
cheungderek 0:e083abcfe7a8 154
cheungderek 0:e083abcfe7a8 155 #if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
cheungderek 0:e083abcfe7a8 156
cheungderek 0:e083abcfe7a8 157 /* ARP message types (opcodes) */
cheungderek 0:e083abcfe7a8 158 #define ARP_REQUEST 1
cheungderek 0:e083abcfe7a8 159 #define ARP_REPLY 2
cheungderek 0:e083abcfe7a8 160
cheungderek 0:e083abcfe7a8 161 /* Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type)
cheungderek 0:e083abcfe7a8 162 * to a filter function that returns the correct netif when using multiple
cheungderek 0:e083abcfe7a8 163 * netifs on one hardware interface where the netif's low-level receive
cheungderek 0:e083abcfe7a8 164 * routine cannot decide for the correct netif (e.g. when mapping multiple
cheungderek 0:e083abcfe7a8 165 * IP addresses to one hardware interface).
cheungderek 0:e083abcfe7a8 166 */
cheungderek 0:e083abcfe7a8 167 #ifndef LWIP_ARP_FILTER_NETIF
cheungderek 0:e083abcfe7a8 168 #define LWIP_ARP_FILTER_NETIF 0
cheungderek 0:e083abcfe7a8 169 #endif
cheungderek 0:e083abcfe7a8 170
cheungderek 0:e083abcfe7a8 171 #if ARP_QUEUEING
cheungderek 0:e083abcfe7a8 172 /* struct for queueing outgoing packets for unknown address
cheungderek 0:e083abcfe7a8 173 * defined here to be accessed by memp.h
cheungderek 0:e083abcfe7a8 174 */
cheungderek 0:e083abcfe7a8 175 struct etharp_q_entry {
cheungderek 0:e083abcfe7a8 176 struct etharp_q_entry *next;
cheungderek 0:e083abcfe7a8 177 struct pbuf *p;
cheungderek 0:e083abcfe7a8 178 };
cheungderek 0:e083abcfe7a8 179 #endif /* ARP_QUEUEING */
cheungderek 0:e083abcfe7a8 180
cheungderek 0:e083abcfe7a8 181 #define etharp_init() /* Compatibility define, not init needed. */
cheungderek 0:e083abcfe7a8 182 void etharp_tmr(void);
cheungderek 0:e083abcfe7a8 183 s8_t etharp_find_addr(struct netif *netif, ip_addr_t *ipaddr,
cheungderek 0:e083abcfe7a8 184 struct eth_addr **eth_ret, ip_addr_t **ip_ret);
cheungderek 0:e083abcfe7a8 185 err_t etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr);
cheungderek 0:e083abcfe7a8 186 err_t etharp_query(struct netif *netif, ip_addr_t *ipaddr, struct pbuf *q);
cheungderek 0:e083abcfe7a8 187 err_t etharp_request(struct netif *netif, ip_addr_t *ipaddr);
cheungderek 0:e083abcfe7a8 188 /* For Ethernet network interfaces, we might want to send "gratuitous ARP";
cheungderek 0:e083abcfe7a8 189 * this is an ARP packet sent by a node in order to spontaneously cause other
cheungderek 0:e083abcfe7a8 190 * nodes to update an entry in their ARP cache.
cheungderek 0:e083abcfe7a8 191 * From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
cheungderek 0:e083abcfe7a8 192 #define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr)
cheungderek 0:e083abcfe7a8 193
cheungderek 0:e083abcfe7a8 194 #if ETHARP_SUPPORT_STATIC_ENTRIES
cheungderek 0:e083abcfe7a8 195 err_t etharp_add_static_entry(ip_addr_t *ipaddr, struct eth_addr *ethaddr);
cheungderek 0:e083abcfe7a8 196 err_t etharp_remove_static_entry(ip_addr_t *ipaddr);
cheungderek 0:e083abcfe7a8 197 #endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
cheungderek 0:e083abcfe7a8 198
cheungderek 0:e083abcfe7a8 199 #if LWIP_AUTOIP
cheungderek 0:e083abcfe7a8 200 err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
cheungderek 0:e083abcfe7a8 201 const struct eth_addr *ethdst_addr,
cheungderek 0:e083abcfe7a8 202 const struct eth_addr *hwsrc_addr, const ip_addr_t *ipsrc_addr,
cheungderek 0:e083abcfe7a8 203 const struct eth_addr *hwdst_addr, const ip_addr_t *ipdst_addr,
cheungderek 0:e083abcfe7a8 204 const u16_t opcode);
cheungderek 0:e083abcfe7a8 205 #endif /* LWIP_AUTOIP */
cheungderek 0:e083abcfe7a8 206
cheungderek 0:e083abcfe7a8 207 #endif /* LWIP_ARP */
cheungderek 0:e083abcfe7a8 208
cheungderek 0:e083abcfe7a8 209 err_t ethernet_input(struct pbuf *p, struct netif *netif);
cheungderek 0:e083abcfe7a8 210
cheungderek 0:e083abcfe7a8 211 #define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0)
cheungderek 0:e083abcfe7a8 212
cheungderek 0:e083abcfe7a8 213 extern const struct eth_addr ethbroadcast, ethzero;
cheungderek 0:e083abcfe7a8 214
cheungderek 0:e083abcfe7a8 215 #ifdef __cplusplus
cheungderek 0:e083abcfe7a8 216 }
cheungderek 0:e083abcfe7a8 217 #endif
cheungderek 0:e083abcfe7a8 218
cheungderek 0:e083abcfe7a8 219 #endif /* LWIP_ARP || LWIP_ETHERNET */
cheungderek 0:e083abcfe7a8 220
cheungderek 0:e083abcfe7a8 221 #endif /* __NETIF_ARP_H__ */