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UIPEthernet.cpp@0:5350a66d5279, 2014-09-15 (annotated)
- Committer:
- hudakz
- Date:
- Mon Sep 15 11:12:30 2014 +0000
- Revision:
- 0:5350a66d5279
- Child:
- 2:049ce85163c5
rev. 00
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 0:5350a66d5279 | 1 | /* |
hudakz | 0:5350a66d5279 | 2 | UIPEthernet.cpp - Arduino implementation of a uIP wrapper class. |
hudakz | 0:5350a66d5279 | 3 | Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de> |
hudakz | 0:5350a66d5279 | 4 | All rights reserved. |
hudakz | 0:5350a66d5279 | 5 | |
hudakz | 0:5350a66d5279 | 6 | Modified (ported to mbed) by Zoltan Hudak <hudakz@inbox.com> |
hudakz | 0:5350a66d5279 | 7 | |
hudakz | 0:5350a66d5279 | 8 | This program is free software: you can redistribute it and/or modify |
hudakz | 0:5350a66d5279 | 9 | it under the terms of the GNU General Public License as published by |
hudakz | 0:5350a66d5279 | 10 | the Free Software Foundation, either version 3 of the License, or |
hudakz | 0:5350a66d5279 | 11 | (at your option) any later version. |
hudakz | 0:5350a66d5279 | 12 | |
hudakz | 0:5350a66d5279 | 13 | This program is distributed in the hope that it will be useful, |
hudakz | 0:5350a66d5279 | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
hudakz | 0:5350a66d5279 | 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
hudakz | 0:5350a66d5279 | 16 | GNU General Public License for more details. |
hudakz | 0:5350a66d5279 | 17 | |
hudakz | 0:5350a66d5279 | 18 | You should have received a copy of the GNU General Public License |
hudakz | 0:5350a66d5279 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
hudakz | 0:5350a66d5279 | 20 | */ |
hudakz | 0:5350a66d5279 | 21 | #pragma once |
hudakz | 0:5350a66d5279 | 22 | #include <mbed.h> |
hudakz | 0:5350a66d5279 | 23 | #include "UIPEthernet.h" |
hudakz | 0:5350a66d5279 | 24 | #include "Enc28J60Network.h" |
hudakz | 0:5350a66d5279 | 25 | |
hudakz | 0:5350a66d5279 | 26 | #if (defined UIPETHERNET_DEBUG || defined UIPETHERNET_DEBUG_CHKSUM) |
hudakz | 0:5350a66d5279 | 27 | #include "HardwareSerial.h" |
hudakz | 0:5350a66d5279 | 28 | #endif |
hudakz | 0:5350a66d5279 | 29 | extern "C" |
hudakz | 0:5350a66d5279 | 30 | { |
hudakz | 0:5350a66d5279 | 31 | #include "uip-conf.h" |
hudakz | 0:5350a66d5279 | 32 | #include "uip.h" |
hudakz | 0:5350a66d5279 | 33 | #include "uip_arp.h" |
hudakz | 0:5350a66d5279 | 34 | #include "uip_timer.h" |
hudakz | 0:5350a66d5279 | 35 | } |
hudakz | 0:5350a66d5279 | 36 | #define ETH_HDR ((struct uip_eth_hdr*) &uip_buf[0]) |
hudakz | 0:5350a66d5279 | 37 | |
hudakz | 0:5350a66d5279 | 38 | // Because uIP isn't encapsulated within a class we have to use global |
hudakz | 0:5350a66d5279 | 39 | |
hudakz | 0:5350a66d5279 | 40 | // variables, so we can only have one TCP/IP stack per program. |
hudakz | 0:5350a66d5279 | 41 | UIPEthernetClass::UIPEthernetClass(PinName mosi, PinName miso, PinName sck, PinName cs) : |
hudakz | 0:5350a66d5279 | 42 | network(mosi, miso, sck, cs), |
hudakz | 0:5350a66d5279 | 43 | fn_uip_cb(NULL), |
hudakz | 0:5350a66d5279 | 44 | fn_uip_udp_cb(NULL), |
hudakz | 0:5350a66d5279 | 45 | in_packet(NOBLOCK), |
hudakz | 0:5350a66d5279 | 46 | uip_packet(NOBLOCK), |
hudakz | 0:5350a66d5279 | 47 | uip_hdrlen(0), |
hudakz | 0:5350a66d5279 | 48 | packetstate(0), |
hudakz | 0:5350a66d5279 | 49 | _dhcp(NULL) |
hudakz | 0:5350a66d5279 | 50 | { } |
hudakz | 0:5350a66d5279 | 51 | |
hudakz | 0:5350a66d5279 | 52 | /** |
hudakz | 0:5350a66d5279 | 53 | * @brief |
hudakz | 0:5350a66d5279 | 54 | * @note |
hudakz | 0:5350a66d5279 | 55 | * @param |
hudakz | 0:5350a66d5279 | 56 | * @retval |
hudakz | 0:5350a66d5279 | 57 | */ |
hudakz | 0:5350a66d5279 | 58 | int UIPEthernetClass::begin(const uint8_t* mac) { |
hudakz | 0:5350a66d5279 | 59 | static DhcpClass s_dhcp; |
hudakz | 0:5350a66d5279 | 60 | _dhcp = &s_dhcp; |
hudakz | 0:5350a66d5279 | 61 | |
hudakz | 0:5350a66d5279 | 62 | // Initialise the basic info |
hudakz | 0:5350a66d5279 | 63 | init(mac); |
hudakz | 0:5350a66d5279 | 64 | |
hudakz | 0:5350a66d5279 | 65 | // Now try to get our config info from a DHCP server |
hudakz | 0:5350a66d5279 | 66 | int ret = _dhcp->beginWithDHCP((uint8_t*)mac); |
hudakz | 0:5350a66d5279 | 67 | if(ret == 1) { |
hudakz | 0:5350a66d5279 | 68 | |
hudakz | 0:5350a66d5279 | 69 | // We've successfully found a DHCP server and got our configuration info, so set things |
hudakz | 0:5350a66d5279 | 70 | // accordingly |
hudakz | 0:5350a66d5279 | 71 | configure(_dhcp->getLocalIp(), _dhcp->getDnsServerIp(), _dhcp->getGatewayIp(), _dhcp->getSubnetMask()); |
hudakz | 0:5350a66d5279 | 72 | } |
hudakz | 0:5350a66d5279 | 73 | |
hudakz | 0:5350a66d5279 | 74 | return ret; |
hudakz | 0:5350a66d5279 | 75 | } |
hudakz | 0:5350a66d5279 | 76 | |
hudakz | 0:5350a66d5279 | 77 | /** |
hudakz | 0:5350a66d5279 | 78 | * @brief |
hudakz | 0:5350a66d5279 | 79 | * @note |
hudakz | 0:5350a66d5279 | 80 | * @param |
hudakz | 0:5350a66d5279 | 81 | * @retval |
hudakz | 0:5350a66d5279 | 82 | */ |
hudakz | 0:5350a66d5279 | 83 | void UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip) { |
hudakz | 0:5350a66d5279 | 84 | IPAddress dns = ip; |
hudakz | 0:5350a66d5279 | 85 | dns[3] = 1; |
hudakz | 0:5350a66d5279 | 86 | begin(mac, ip, dns); |
hudakz | 0:5350a66d5279 | 87 | } |
hudakz | 0:5350a66d5279 | 88 | |
hudakz | 0:5350a66d5279 | 89 | /** |
hudakz | 0:5350a66d5279 | 90 | * @brief |
hudakz | 0:5350a66d5279 | 91 | * @note |
hudakz | 0:5350a66d5279 | 92 | * @param |
hudakz | 0:5350a66d5279 | 93 | * @retval |
hudakz | 0:5350a66d5279 | 94 | */ |
hudakz | 0:5350a66d5279 | 95 | void UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip, IPAddress dns) { |
hudakz | 0:5350a66d5279 | 96 | IPAddress gateway = ip; |
hudakz | 0:5350a66d5279 | 97 | gateway[3] = 1; |
hudakz | 0:5350a66d5279 | 98 | begin(mac, ip, dns, gateway); |
hudakz | 0:5350a66d5279 | 99 | } |
hudakz | 0:5350a66d5279 | 100 | |
hudakz | 0:5350a66d5279 | 101 | /** |
hudakz | 0:5350a66d5279 | 102 | * @brief |
hudakz | 0:5350a66d5279 | 103 | * @note |
hudakz | 0:5350a66d5279 | 104 | * @param |
hudakz | 0:5350a66d5279 | 105 | * @retval |
hudakz | 0:5350a66d5279 | 106 | */ |
hudakz | 0:5350a66d5279 | 107 | void UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway) { |
hudakz | 0:5350a66d5279 | 108 | IPAddress subnet(255, 255, 255, 0); |
hudakz | 0:5350a66d5279 | 109 | begin(mac, ip, dns, gateway, subnet); |
hudakz | 0:5350a66d5279 | 110 | } |
hudakz | 0:5350a66d5279 | 111 | |
hudakz | 0:5350a66d5279 | 112 | /** |
hudakz | 0:5350a66d5279 | 113 | * @brief |
hudakz | 0:5350a66d5279 | 114 | * @note |
hudakz | 0:5350a66d5279 | 115 | * @param |
hudakz | 0:5350a66d5279 | 116 | * @retval |
hudakz | 0:5350a66d5279 | 117 | */ |
hudakz | 0:5350a66d5279 | 118 | void UIPEthernetClass::begin(const uint8_t* mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) { |
hudakz | 0:5350a66d5279 | 119 | init(mac); |
hudakz | 0:5350a66d5279 | 120 | configure(ip, dns, gateway, subnet); |
hudakz | 0:5350a66d5279 | 121 | } |
hudakz | 0:5350a66d5279 | 122 | |
hudakz | 0:5350a66d5279 | 123 | /** |
hudakz | 0:5350a66d5279 | 124 | * @brief |
hudakz | 0:5350a66d5279 | 125 | * @note |
hudakz | 0:5350a66d5279 | 126 | * @param |
hudakz | 0:5350a66d5279 | 127 | * @retval |
hudakz | 0:5350a66d5279 | 128 | */ |
hudakz | 0:5350a66d5279 | 129 | int UIPEthernetClass::maintain(void) { |
hudakz | 0:5350a66d5279 | 130 | tick(); |
hudakz | 0:5350a66d5279 | 131 | |
hudakz | 0:5350a66d5279 | 132 | int rc = DHCP_CHECK_NONE; |
hudakz | 0:5350a66d5279 | 133 | if(_dhcp != NULL) { |
hudakz | 0:5350a66d5279 | 134 | |
hudakz | 0:5350a66d5279 | 135 | //we have a pointer to dhcp, use it |
hudakz | 0:5350a66d5279 | 136 | rc = _dhcp->checkLease(); |
hudakz | 0:5350a66d5279 | 137 | switch(rc) { |
hudakz | 0:5350a66d5279 | 138 | case DHCP_CHECK_NONE: |
hudakz | 0:5350a66d5279 | 139 | //nothing done |
hudakz | 0:5350a66d5279 | 140 | break; |
hudakz | 0:5350a66d5279 | 141 | |
hudakz | 0:5350a66d5279 | 142 | case DHCP_CHECK_RENEW_OK: |
hudakz | 0:5350a66d5279 | 143 | case DHCP_CHECK_REBIND_OK: |
hudakz | 0:5350a66d5279 | 144 | //we might have got a new IP. |
hudakz | 0:5350a66d5279 | 145 | configure(_dhcp->getLocalIp(), _dhcp->getDnsServerIp(), _dhcp->getGatewayIp(), _dhcp->getSubnetMask()); |
hudakz | 0:5350a66d5279 | 146 | break; |
hudakz | 0:5350a66d5279 | 147 | |
hudakz | 0:5350a66d5279 | 148 | default: |
hudakz | 0:5350a66d5279 | 149 | //this is actually a error, it will retry though |
hudakz | 0:5350a66d5279 | 150 | break; |
hudakz | 0:5350a66d5279 | 151 | } |
hudakz | 0:5350a66d5279 | 152 | } |
hudakz | 0:5350a66d5279 | 153 | |
hudakz | 0:5350a66d5279 | 154 | return rc; |
hudakz | 0:5350a66d5279 | 155 | } |
hudakz | 0:5350a66d5279 | 156 | |
hudakz | 0:5350a66d5279 | 157 | /** |
hudakz | 0:5350a66d5279 | 158 | * @brief |
hudakz | 0:5350a66d5279 | 159 | * @note |
hudakz | 0:5350a66d5279 | 160 | * @param |
hudakz | 0:5350a66d5279 | 161 | * @retval |
hudakz | 0:5350a66d5279 | 162 | */ |
hudakz | 0:5350a66d5279 | 163 | IPAddress UIPEthernetClass::localIP(void) { |
hudakz | 0:5350a66d5279 | 164 | IPAddress ret; |
hudakz | 0:5350a66d5279 | 165 | uip_ipaddr_t a; |
hudakz | 0:5350a66d5279 | 166 | uip_gethostaddr(a); |
hudakz | 0:5350a66d5279 | 167 | return ip_addr_uip(a); |
hudakz | 0:5350a66d5279 | 168 | } |
hudakz | 0:5350a66d5279 | 169 | |
hudakz | 0:5350a66d5279 | 170 | /** |
hudakz | 0:5350a66d5279 | 171 | * @brief |
hudakz | 0:5350a66d5279 | 172 | * @note |
hudakz | 0:5350a66d5279 | 173 | * @param |
hudakz | 0:5350a66d5279 | 174 | * @retval |
hudakz | 0:5350a66d5279 | 175 | */ |
hudakz | 0:5350a66d5279 | 176 | IPAddress UIPEthernetClass::subnetMask(void) { |
hudakz | 0:5350a66d5279 | 177 | IPAddress ret; |
hudakz | 0:5350a66d5279 | 178 | uip_ipaddr_t a; |
hudakz | 0:5350a66d5279 | 179 | uip_getnetmask(a); |
hudakz | 0:5350a66d5279 | 180 | return ip_addr_uip(a); |
hudakz | 0:5350a66d5279 | 181 | } |
hudakz | 0:5350a66d5279 | 182 | |
hudakz | 0:5350a66d5279 | 183 | /** |
hudakz | 0:5350a66d5279 | 184 | * @brief |
hudakz | 0:5350a66d5279 | 185 | * @note |
hudakz | 0:5350a66d5279 | 186 | * @param |
hudakz | 0:5350a66d5279 | 187 | * @retval |
hudakz | 0:5350a66d5279 | 188 | */ |
hudakz | 0:5350a66d5279 | 189 | IPAddress UIPEthernetClass::gatewayIP(void) { |
hudakz | 0:5350a66d5279 | 190 | IPAddress ret; |
hudakz | 0:5350a66d5279 | 191 | uip_ipaddr_t a; |
hudakz | 0:5350a66d5279 | 192 | uip_getdraddr(a); |
hudakz | 0:5350a66d5279 | 193 | return ip_addr_uip(a); |
hudakz | 0:5350a66d5279 | 194 | } |
hudakz | 0:5350a66d5279 | 195 | |
hudakz | 0:5350a66d5279 | 196 | /** |
hudakz | 0:5350a66d5279 | 197 | * @brief |
hudakz | 0:5350a66d5279 | 198 | * @note |
hudakz | 0:5350a66d5279 | 199 | * @param |
hudakz | 0:5350a66d5279 | 200 | * @retval |
hudakz | 0:5350a66d5279 | 201 | */ |
hudakz | 0:5350a66d5279 | 202 | IPAddress UIPEthernetClass::dnsServerIP(void) { |
hudakz | 0:5350a66d5279 | 203 | return _dnsServerAddress; |
hudakz | 0:5350a66d5279 | 204 | } |
hudakz | 0:5350a66d5279 | 205 | |
hudakz | 0:5350a66d5279 | 206 | /** |
hudakz | 0:5350a66d5279 | 207 | * @brief |
hudakz | 0:5350a66d5279 | 208 | * @note |
hudakz | 0:5350a66d5279 | 209 | * @param |
hudakz | 0:5350a66d5279 | 210 | * @retval |
hudakz | 0:5350a66d5279 | 211 | */ |
hudakz | 0:5350a66d5279 | 212 | void UIPEthernetClass::tick(void) { |
hudakz | 0:5350a66d5279 | 213 | if(in_packet == NOBLOCK) { |
hudakz | 0:5350a66d5279 | 214 | in_packet = network.receivePacket(); |
hudakz | 0:5350a66d5279 | 215 | #ifdef UIPETHERNET_DEBUG |
hudakz | 0:5350a66d5279 | 216 | if(in_packet != NOBLOCK) { |
hudakz | 0:5350a66d5279 | 217 | Serial.print("--------------\nreceivePacket: "); |
hudakz | 0:5350a66d5279 | 218 | Serial.println(in_packet); |
hudakz | 0:5350a66d5279 | 219 | } |
hudakz | 0:5350a66d5279 | 220 | #endif |
hudakz | 0:5350a66d5279 | 221 | } |
hudakz | 0:5350a66d5279 | 222 | |
hudakz | 0:5350a66d5279 | 223 | if(in_packet != NOBLOCK) { |
hudakz | 0:5350a66d5279 | 224 | packetstate = UIPETHERNET_FREEPACKET; |
hudakz | 0:5350a66d5279 | 225 | uip_len = network.blockSize(in_packet); |
hudakz | 0:5350a66d5279 | 226 | if(uip_len > 0) { |
hudakz | 0:5350a66d5279 | 227 | network.readPacket(in_packet, 0, (uint8_t*)uip_buf, UIP_BUFSIZE); |
hudakz | 0:5350a66d5279 | 228 | if(ETH_HDR->type == HTONS(UIP_ETHTYPE_IP)) { |
hudakz | 0:5350a66d5279 | 229 | uip_packet = in_packet; |
hudakz | 0:5350a66d5279 | 230 | #ifdef UIPETHERNET_DEBUG |
hudakz | 0:5350a66d5279 | 231 | Serial.print("readPacket type IP, uip_len: "); |
hudakz | 0:5350a66d5279 | 232 | Serial.println(uip_len); |
hudakz | 0:5350a66d5279 | 233 | #endif |
hudakz | 0:5350a66d5279 | 234 | uip_arp_ipin(); |
hudakz | 0:5350a66d5279 | 235 | uip_input(); |
hudakz | 0:5350a66d5279 | 236 | if(uip_len > 0) { |
hudakz | 0:5350a66d5279 | 237 | uip_arp_out(); |
hudakz | 0:5350a66d5279 | 238 | network_send(); |
hudakz | 0:5350a66d5279 | 239 | } |
hudakz | 0:5350a66d5279 | 240 | } |
hudakz | 0:5350a66d5279 | 241 | else |
hudakz | 0:5350a66d5279 | 242 | if(ETH_HDR->type == HTONS(UIP_ETHTYPE_ARP)) |
hudakz | 0:5350a66d5279 | 243 | { |
hudakz | 0:5350a66d5279 | 244 | #ifdef UIPETHERNET_DEBUG |
hudakz | 0:5350a66d5279 | 245 | Serial.print("readPacket type ARP, uip_len: "); |
hudakz | 0:5350a66d5279 | 246 | Serial.println(uip_len); |
hudakz | 0:5350a66d5279 | 247 | #endif |
hudakz | 0:5350a66d5279 | 248 | uip_arp_arpin(); |
hudakz | 0:5350a66d5279 | 249 | if(uip_len > 0) { |
hudakz | 0:5350a66d5279 | 250 | network_send(); |
hudakz | 0:5350a66d5279 | 251 | } |
hudakz | 0:5350a66d5279 | 252 | } |
hudakz | 0:5350a66d5279 | 253 | } |
hudakz | 0:5350a66d5279 | 254 | |
hudakz | 0:5350a66d5279 | 255 | if(in_packet != NOBLOCK && (packetstate & UIPETHERNET_FREEPACKET)) |
hudakz | 0:5350a66d5279 | 256 | { |
hudakz | 0:5350a66d5279 | 257 | #ifdef UIPETHERNET_DEBUG |
hudakz | 0:5350a66d5279 | 258 | Serial.print("freeing packet: "); |
hudakz | 0:5350a66d5279 | 259 | Serial.println(in_packet); |
hudakz | 0:5350a66d5279 | 260 | #endif |
hudakz | 0:5350a66d5279 | 261 | network.freePacket(); |
hudakz | 0:5350a66d5279 | 262 | in_packet = NOBLOCK; |
hudakz | 0:5350a66d5279 | 263 | } |
hudakz | 0:5350a66d5279 | 264 | } |
hudakz | 0:5350a66d5279 | 265 | |
hudakz | 0:5350a66d5279 | 266 | if(uip_timer_expired(&periodic_timer)) { |
hudakz | 0:5350a66d5279 | 267 | uip_timer_restart(&periodic_timer); |
hudakz | 0:5350a66d5279 | 268 | for(int i = 0; i < UIP_CONNS; i++) { |
hudakz | 0:5350a66d5279 | 269 | uip_periodic(i); |
hudakz | 0:5350a66d5279 | 270 | |
hudakz | 0:5350a66d5279 | 271 | // If the above function invocation resulted in data that |
hudakz | 0:5350a66d5279 | 272 | // should be sent out on the network, the global variable |
hudakz | 0:5350a66d5279 | 273 | // uip_len is set to a value > 0. |
hudakz | 0:5350a66d5279 | 274 | if(uip_len > 0) { |
hudakz | 0:5350a66d5279 | 275 | uip_arp_out(); |
hudakz | 0:5350a66d5279 | 276 | network_send(); |
hudakz | 0:5350a66d5279 | 277 | } |
hudakz | 0:5350a66d5279 | 278 | } |
hudakz | 0:5350a66d5279 | 279 | |
hudakz | 0:5350a66d5279 | 280 | #if UIP_UDP |
hudakz | 0:5350a66d5279 | 281 | for(int i = 0; i < UIP_UDP_CONNS; i++) { |
hudakz | 0:5350a66d5279 | 282 | uip_udp_periodic(i); |
hudakz | 0:5350a66d5279 | 283 | |
hudakz | 0:5350a66d5279 | 284 | // If the above function invocation resulted in data that |
hudakz | 0:5350a66d5279 | 285 | // should be sent out on the network, the global variable |
hudakz | 0:5350a66d5279 | 286 | // uip_len is set to a value > 0. */ |
hudakz | 0:5350a66d5279 | 287 | if(uip_len > 0) { |
hudakz | 0:5350a66d5279 | 288 | network_send(); |
hudakz | 0:5350a66d5279 | 289 | } |
hudakz | 0:5350a66d5279 | 290 | } |
hudakz | 0:5350a66d5279 | 291 | #endif /* UIP_UDP */ |
hudakz | 0:5350a66d5279 | 292 | } |
hudakz | 0:5350a66d5279 | 293 | } |
hudakz | 0:5350a66d5279 | 294 | |
hudakz | 0:5350a66d5279 | 295 | /** |
hudakz | 0:5350a66d5279 | 296 | * @brief |
hudakz | 0:5350a66d5279 | 297 | * @note |
hudakz | 0:5350a66d5279 | 298 | * @param |
hudakz | 0:5350a66d5279 | 299 | * @retval |
hudakz | 0:5350a66d5279 | 300 | */ |
hudakz | 0:5350a66d5279 | 301 | bool UIPEthernetClass::network_send(void) { |
hudakz | 0:5350a66d5279 | 302 | if(packetstate & UIPETHERNET_SENDPACKET) |
hudakz | 0:5350a66d5279 | 303 | { |
hudakz | 0:5350a66d5279 | 304 | #ifdef UIPETHERNET_DEBUG |
hudakz | 0:5350a66d5279 | 305 | Serial.print("network_send uip_packet: "); |
hudakz | 0:5350a66d5279 | 306 | Serial.print(uip_packet); |
hudakz | 0:5350a66d5279 | 307 | Serial.print(", hdrlen: "); |
hudakz | 0:5350a66d5279 | 308 | Serial.println(uip_hdrlen); |
hudakz | 0:5350a66d5279 | 309 | #endif |
hudakz | 0:5350a66d5279 | 310 | network.writePacket(uip_packet, 0, uip_buf, uip_hdrlen); |
hudakz | 0:5350a66d5279 | 311 | goto sendandfree; |
hudakz | 0:5350a66d5279 | 312 | } |
hudakz | 0:5350a66d5279 | 313 | |
hudakz | 0:5350a66d5279 | 314 | uip_packet = network.allocBlock(uip_len); |
hudakz | 0:5350a66d5279 | 315 | if(uip_packet != NOBLOCK) |
hudakz | 0:5350a66d5279 | 316 | { |
hudakz | 0:5350a66d5279 | 317 | #ifdef UIPETHERNET_DEBUG |
hudakz | 0:5350a66d5279 | 318 | Serial.print("network_send uip_buf (uip_len): "); |
hudakz | 0:5350a66d5279 | 319 | Serial.print(uip_len); |
hudakz | 0:5350a66d5279 | 320 | Serial.print(", packet: "); |
hudakz | 0:5350a66d5279 | 321 | Serial.println(uip_packet); |
hudakz | 0:5350a66d5279 | 322 | #endif |
hudakz | 0:5350a66d5279 | 323 | network.writePacket(uip_packet, 0, uip_buf, uip_len); |
hudakz | 0:5350a66d5279 | 324 | goto sendandfree; |
hudakz | 0:5350a66d5279 | 325 | } |
hudakz | 0:5350a66d5279 | 326 | |
hudakz | 0:5350a66d5279 | 327 | return false; |
hudakz | 0:5350a66d5279 | 328 | sendandfree: |
hudakz | 0:5350a66d5279 | 329 | network.sendPacket(uip_packet); |
hudakz | 0:5350a66d5279 | 330 | network.freeBlock(uip_packet); |
hudakz | 0:5350a66d5279 | 331 | uip_packet = NOBLOCK; |
hudakz | 0:5350a66d5279 | 332 | return true; |
hudakz | 0:5350a66d5279 | 333 | } |
hudakz | 0:5350a66d5279 | 334 | |
hudakz | 0:5350a66d5279 | 335 | /** |
hudakz | 0:5350a66d5279 | 336 | * @brief |
hudakz | 0:5350a66d5279 | 337 | * @note |
hudakz | 0:5350a66d5279 | 338 | * @param |
hudakz | 0:5350a66d5279 | 339 | * @retval |
hudakz | 0:5350a66d5279 | 340 | */ |
hudakz | 0:5350a66d5279 | 341 | void UIPEthernetClass::init(const uint8_t* mac) { |
hudakz | 0:5350a66d5279 | 342 | uip_timer_set(&this->periodic_timer, CLOCK_SECOND / 4); |
hudakz | 0:5350a66d5279 | 343 | |
hudakz | 0:5350a66d5279 | 344 | network.init((uint8_t*)mac); |
hudakz | 0:5350a66d5279 | 345 | uip_seteth_addr(mac); |
hudakz | 0:5350a66d5279 | 346 | |
hudakz | 0:5350a66d5279 | 347 | uip_init(); |
hudakz | 0:5350a66d5279 | 348 | } |
hudakz | 0:5350a66d5279 | 349 | |
hudakz | 0:5350a66d5279 | 350 | /** |
hudakz | 0:5350a66d5279 | 351 | * @brief |
hudakz | 0:5350a66d5279 | 352 | * @note |
hudakz | 0:5350a66d5279 | 353 | * @param |
hudakz | 0:5350a66d5279 | 354 | * @retval |
hudakz | 0:5350a66d5279 | 355 | */ |
hudakz | 0:5350a66d5279 | 356 | void UIPEthernetClass::configure(IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) { |
hudakz | 0:5350a66d5279 | 357 | uip_ipaddr_t ipaddr; |
hudakz | 0:5350a66d5279 | 358 | |
hudakz | 0:5350a66d5279 | 359 | uip_ip_addr(ipaddr, ip); |
hudakz | 0:5350a66d5279 | 360 | uip_sethostaddr(ipaddr); |
hudakz | 0:5350a66d5279 | 361 | |
hudakz | 0:5350a66d5279 | 362 | uip_ip_addr(ipaddr, gateway); |
hudakz | 0:5350a66d5279 | 363 | uip_setdraddr(ipaddr); |
hudakz | 0:5350a66d5279 | 364 | |
hudakz | 0:5350a66d5279 | 365 | uip_ip_addr(ipaddr, subnet); |
hudakz | 0:5350a66d5279 | 366 | uip_setnetmask(ipaddr); |
hudakz | 0:5350a66d5279 | 367 | |
hudakz | 0:5350a66d5279 | 368 | _dnsServerAddress = dns; |
hudakz | 0:5350a66d5279 | 369 | } |
hudakz | 0:5350a66d5279 | 370 | |
hudakz | 0:5350a66d5279 | 371 | /** |
hudakz | 0:5350a66d5279 | 372 | * @brief |
hudakz | 0:5350a66d5279 | 373 | * @note |
hudakz | 0:5350a66d5279 | 374 | * @param |
hudakz | 0:5350a66d5279 | 375 | * @retval |
hudakz | 0:5350a66d5279 | 376 | */ |
hudakz | 0:5350a66d5279 | 377 | void UIPEthernetClass::set_uip_callback(fn_uip_cb_t fn) { |
hudakz | 0:5350a66d5279 | 378 | this->fn_uip_cb = fn; |
hudakz | 0:5350a66d5279 | 379 | } |
hudakz | 0:5350a66d5279 | 380 | |
hudakz | 0:5350a66d5279 | 381 | /** |
hudakz | 0:5350a66d5279 | 382 | * @brief |
hudakz | 0:5350a66d5279 | 383 | * @note |
hudakz | 0:5350a66d5279 | 384 | * @param |
hudakz | 0:5350a66d5279 | 385 | * @retval |
hudakz | 0:5350a66d5279 | 386 | */ |
hudakz | 0:5350a66d5279 | 387 | void UIPEthernetClass::uip_callback(void) { |
hudakz | 0:5350a66d5279 | 388 | struct uipethernet_state* s = &(uip_conn->appstate); |
hudakz | 0:5350a66d5279 | 389 | |
hudakz | 0:5350a66d5279 | 390 | if(this->fn_uip_cb) { |
hudakz | 0:5350a66d5279 | 391 | |
hudakz | 0:5350a66d5279 | 392 | // The sketch wants to handle all uIP events itself, using uIP functions. |
hudakz | 0:5350a66d5279 | 393 | this->fn_uip_cb(s); //->p, &s->user); |
hudakz | 0:5350a66d5279 | 394 | } |
hudakz | 0:5350a66d5279 | 395 | } |
hudakz | 0:5350a66d5279 | 396 | |
hudakz | 0:5350a66d5279 | 397 | /** |
hudakz | 0:5350a66d5279 | 398 | * @brief |
hudakz | 0:5350a66d5279 | 399 | * @note |
hudakz | 0:5350a66d5279 | 400 | * @param |
hudakz | 0:5350a66d5279 | 401 | * @retval |
hudakz | 0:5350a66d5279 | 402 | */ |
hudakz | 0:5350a66d5279 | 403 | void UIPEthernetClass::set_uip_udp_callback(fn_uip_udp_cb_t fn) { |
hudakz | 0:5350a66d5279 | 404 | this->fn_uip_udp_cb = fn; |
hudakz | 0:5350a66d5279 | 405 | } |
hudakz | 0:5350a66d5279 | 406 | |
hudakz | 0:5350a66d5279 | 407 | #if UIP_UDP |
hudakz | 0:5350a66d5279 | 408 | |
hudakz | 0:5350a66d5279 | 409 | /** |
hudakz | 0:5350a66d5279 | 410 | * @brief |
hudakz | 0:5350a66d5279 | 411 | * @note |
hudakz | 0:5350a66d5279 | 412 | * @param |
hudakz | 0:5350a66d5279 | 413 | * @retval |
hudakz | 0:5350a66d5279 | 414 | */ |
hudakz | 0:5350a66d5279 | 415 | void UIPEthernetClass::uip_udp_callback(void) { |
hudakz | 0:5350a66d5279 | 416 | struct uipudp_state* s = &(uip_udp_conn->appstate); |
hudakz | 0:5350a66d5279 | 417 | |
hudakz | 0:5350a66d5279 | 418 | if(this->fn_uip_udp_cb) { |
hudakz | 0:5350a66d5279 | 419 | |
hudakz | 0:5350a66d5279 | 420 | // The sketch wants to handle all uIP events itself, using uIP functions. |
hudakz | 0:5350a66d5279 | 421 | this->fn_uip_udp_cb(s); //->p, &s->user); |
hudakz | 0:5350a66d5279 | 422 | } |
hudakz | 0:5350a66d5279 | 423 | } |
hudakz | 0:5350a66d5279 | 424 | #endif |
hudakz | 0:5350a66d5279 | 425 | //UIPEthernetClass UIPEthernet; |
hudakz | 0:5350a66d5279 | 426 | |
hudakz | 0:5350a66d5279 | 427 | // uIP callback function |
hudakz | 0:5350a66d5279 | 428 | void uipethernet_appcall(void) { |
hudakz | 0:5350a66d5279 | 429 | UIPEthernet.uip_callback(); |
hudakz | 0:5350a66d5279 | 430 | } |
hudakz | 0:5350a66d5279 | 431 | |
hudakz | 0:5350a66d5279 | 432 | #if UIP_UDP |
hudakz | 0:5350a66d5279 | 433 | |
hudakz | 0:5350a66d5279 | 434 | /** |
hudakz | 0:5350a66d5279 | 435 | * @brief |
hudakz | 0:5350a66d5279 | 436 | * @note |
hudakz | 0:5350a66d5279 | 437 | * @param |
hudakz | 0:5350a66d5279 | 438 | * @retval |
hudakz | 0:5350a66d5279 | 439 | */ |
hudakz | 0:5350a66d5279 | 440 | void uipudp_appcall(void) { |
hudakz | 0:5350a66d5279 | 441 | UIPEthernet.uip_udp_callback(); |
hudakz | 0:5350a66d5279 | 442 | } |
hudakz | 0:5350a66d5279 | 443 | #endif |
hudakz | 0:5350a66d5279 | 444 | |
hudakz | 0:5350a66d5279 | 445 | /*---------------------------------------------------------------------------*/ |
hudakz | 0:5350a66d5279 | 446 | uint16_t UIPEthernetClass::chksum(uint16_t sum, const uint8_t* data, uint16_t len) { |
hudakz | 0:5350a66d5279 | 447 | uint16_t t; |
hudakz | 0:5350a66d5279 | 448 | const uint8_t* dataptr; |
hudakz | 0:5350a66d5279 | 449 | const uint8_t* last_byte; |
hudakz | 0:5350a66d5279 | 450 | |
hudakz | 0:5350a66d5279 | 451 | dataptr = data; |
hudakz | 0:5350a66d5279 | 452 | last_byte = data + len - 1; |
hudakz | 0:5350a66d5279 | 453 | |
hudakz | 0:5350a66d5279 | 454 | while(dataptr < last_byte) { |
hudakz | 0:5350a66d5279 | 455 | |
hudakz | 0:5350a66d5279 | 456 | /* At least two more bytes */ |
hudakz | 0:5350a66d5279 | 457 | t = (dataptr[0] << 8) + dataptr[1]; |
hudakz | 0:5350a66d5279 | 458 | sum += t; |
hudakz | 0:5350a66d5279 | 459 | if(sum < t) { |
hudakz | 0:5350a66d5279 | 460 | sum++; /* carry */ |
hudakz | 0:5350a66d5279 | 461 | } |
hudakz | 0:5350a66d5279 | 462 | |
hudakz | 0:5350a66d5279 | 463 | dataptr += 2; |
hudakz | 0:5350a66d5279 | 464 | } |
hudakz | 0:5350a66d5279 | 465 | |
hudakz | 0:5350a66d5279 | 466 | if(dataptr == last_byte) { |
hudakz | 0:5350a66d5279 | 467 | t = (dataptr[0] << 8) + 0; |
hudakz | 0:5350a66d5279 | 468 | sum += t; |
hudakz | 0:5350a66d5279 | 469 | if(sum < t) { |
hudakz | 0:5350a66d5279 | 470 | sum++; /* carry */ |
hudakz | 0:5350a66d5279 | 471 | } |
hudakz | 0:5350a66d5279 | 472 | } |
hudakz | 0:5350a66d5279 | 473 | |
hudakz | 0:5350a66d5279 | 474 | /* Return sum in host byte order. */ |
hudakz | 0:5350a66d5279 | 475 | return sum; |
hudakz | 0:5350a66d5279 | 476 | } |
hudakz | 0:5350a66d5279 | 477 | |
hudakz | 0:5350a66d5279 | 478 | /*---------------------------------------------------------------------------*/ |
hudakz | 0:5350a66d5279 | 479 | uint16_t UIPEthernetClass::ipchksum(void) { |
hudakz | 0:5350a66d5279 | 480 | uint16_t sum; |
hudakz | 0:5350a66d5279 | 481 | |
hudakz | 0:5350a66d5279 | 482 | sum = chksum(0, &uip_buf[UIP_LLH_LEN], UIP_IPH_LEN); |
hudakz | 0:5350a66d5279 | 483 | return(sum == 0) ? 0xffff : htons(sum); |
hudakz | 0:5350a66d5279 | 484 | } |
hudakz | 0:5350a66d5279 | 485 | |
hudakz | 0:5350a66d5279 | 486 | /*---------------------------------------------------------------------------*/ |
hudakz | 0:5350a66d5279 | 487 | uint16_t UIPEthernetClass::upper_layer_chksum(uint8_t proto) { |
hudakz | 0:5350a66d5279 | 488 | uint16_t upper_layer_len; |
hudakz | 0:5350a66d5279 | 489 | uint16_t sum; |
hudakz | 0:5350a66d5279 | 490 | |
hudakz | 0:5350a66d5279 | 491 | #if UIP_CONF_IPV6 |
hudakz | 0:5350a66d5279 | 492 | upper_layer_len = (((u16_t) (BUF->len[0]) << 8) + BUF->len[1]); |
hudakz | 0:5350a66d5279 | 493 | #else /* UIP_CONF_IPV6 */ |
hudakz | 0:5350a66d5279 | 494 | upper_layer_len = (((u16_t) (BUF->len[0]) << 8) + BUF->len[1]) - UIP_IPH_LEN; |
hudakz | 0:5350a66d5279 | 495 | #endif /* UIP_CONF_IPV6 */ |
hudakz | 0:5350a66d5279 | 496 | |
hudakz | 0:5350a66d5279 | 497 | /* First sum pseudoheader. */ |
hudakz | 0:5350a66d5279 | 498 | |
hudakz | 0:5350a66d5279 | 499 | /* IP protocol and length fields. This addition cannot carry. */ |
hudakz | 0:5350a66d5279 | 500 | sum = upper_layer_len + proto; |
hudakz | 0:5350a66d5279 | 501 | |
hudakz | 0:5350a66d5279 | 502 | /* Sum IP source and destination addresses. */ |
hudakz | 0:5350a66d5279 | 503 | sum = chksum(sum, (u8_t*) &BUF->srcipaddr[0], 2 * sizeof(uip_ipaddr_t)); |
hudakz | 0:5350a66d5279 | 504 | |
hudakz | 0:5350a66d5279 | 505 | uint8_t upper_layer_memlen; |
hudakz | 0:5350a66d5279 | 506 | switch(proto) { |
hudakz | 0:5350a66d5279 | 507 | case UIP_PROTO_ICMP: |
hudakz | 0:5350a66d5279 | 508 | case UIP_PROTO_ICMP6: |
hudakz | 0:5350a66d5279 | 509 | upper_layer_memlen = upper_layer_len; |
hudakz | 0:5350a66d5279 | 510 | break; |
hudakz | 0:5350a66d5279 | 511 | |
hudakz | 0:5350a66d5279 | 512 | case UIP_PROTO_TCP: |
hudakz | 0:5350a66d5279 | 513 | upper_layer_memlen = (BUF->tcpoffset >> 4) << 2; |
hudakz | 0:5350a66d5279 | 514 | break; |
hudakz | 0:5350a66d5279 | 515 | #if UIP_UDP |
hudakz | 0:5350a66d5279 | 516 | |
hudakz | 0:5350a66d5279 | 517 | case UIP_PROTO_UDP: |
hudakz | 0:5350a66d5279 | 518 | upper_layer_memlen = UIP_UDPH_LEN; |
hudakz | 0:5350a66d5279 | 519 | break; |
hudakz | 0:5350a66d5279 | 520 | #endif |
hudakz | 0:5350a66d5279 | 521 | } |
hudakz | 0:5350a66d5279 | 522 | |
hudakz | 0:5350a66d5279 | 523 | sum = chksum(sum, &uip_buf[UIP_IPH_LEN + UIP_LLH_LEN], upper_layer_memlen); |
hudakz | 0:5350a66d5279 | 524 | #ifdef UIPETHERNET_DEBUG_CHKSUM |
hudakz | 0:5350a66d5279 | 525 | Serial.print("chksum uip_buf["); |
hudakz | 0:5350a66d5279 | 526 | Serial.print(UIP_IPH_LEN + UIP_LLH_LEN); |
hudakz | 0:5350a66d5279 | 527 | Serial.print("-"); |
hudakz | 0:5350a66d5279 | 528 | Serial.print(UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_memlen); |
hudakz | 0:5350a66d5279 | 529 | Serial.print("]: "); |
hudakz | 0:5350a66d5279 | 530 | Serial.println(htons(sum), HEX); |
hudakz | 0:5350a66d5279 | 531 | #endif |
hudakz | 0:5350a66d5279 | 532 | if(upper_layer_memlen < upper_layer_len) { |
hudakz | 0:5350a66d5279 | 533 | sum = network.chksum |
hudakz | 0:5350a66d5279 | 534 | ( |
hudakz | 0:5350a66d5279 | 535 | sum, |
hudakz | 0:5350a66d5279 | 536 | uip_packet, |
hudakz | 0:5350a66d5279 | 537 | UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_memlen, |
hudakz | 0:5350a66d5279 | 538 | upper_layer_len - upper_layer_memlen |
hudakz | 0:5350a66d5279 | 539 | ); |
hudakz | 0:5350a66d5279 | 540 | #ifdef UIPETHERNET_DEBUG_CHKSUM |
hudakz | 0:5350a66d5279 | 541 | Serial.print("chksum uip_packet("); |
hudakz | 0:5350a66d5279 | 542 | Serial.print(uip_packet); |
hudakz | 0:5350a66d5279 | 543 | Serial.print(")["); |
hudakz | 0:5350a66d5279 | 544 | Serial.print(UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_memlen); |
hudakz | 0:5350a66d5279 | 545 | Serial.print("-"); |
hudakz | 0:5350a66d5279 | 546 | Serial.print(UIP_IPH_LEN + UIP_LLH_LEN + upper_layer_len); |
hudakz | 0:5350a66d5279 | 547 | Serial.print("]: "); |
hudakz | 0:5350a66d5279 | 548 | Serial.println(htons(sum), HEX); |
hudakz | 0:5350a66d5279 | 549 | #endif |
hudakz | 0:5350a66d5279 | 550 | } |
hudakz | 0:5350a66d5279 | 551 | |
hudakz | 0:5350a66d5279 | 552 | return(sum == 0) ? 0xffff : htons(sum); |
hudakz | 0:5350a66d5279 | 553 | } |
hudakz | 0:5350a66d5279 | 554 | |
hudakz | 0:5350a66d5279 | 555 | /** |
hudakz | 0:5350a66d5279 | 556 | * @brief |
hudakz | 0:5350a66d5279 | 557 | * @note |
hudakz | 0:5350a66d5279 | 558 | * @param |
hudakz | 0:5350a66d5279 | 559 | * @retval |
hudakz | 0:5350a66d5279 | 560 | */ |
hudakz | 0:5350a66d5279 | 561 | uint16_t uip_ipchksum(void) { |
hudakz | 0:5350a66d5279 | 562 | return UIPEthernet.ipchksum(); |
hudakz | 0:5350a66d5279 | 563 | } |
hudakz | 0:5350a66d5279 | 564 | |
hudakz | 0:5350a66d5279 | 565 | /** |
hudakz | 0:5350a66d5279 | 566 | * @brief |
hudakz | 0:5350a66d5279 | 567 | * @note |
hudakz | 0:5350a66d5279 | 568 | * @param |
hudakz | 0:5350a66d5279 | 569 | * @retval |
hudakz | 0:5350a66d5279 | 570 | */ |
hudakz | 0:5350a66d5279 | 571 | uint16_t uip_tcpchksum(void) { |
hudakz | 0:5350a66d5279 | 572 | uint16_t sum = UIPEthernet.upper_layer_chksum(UIP_PROTO_TCP); |
hudakz | 0:5350a66d5279 | 573 | return sum; |
hudakz | 0:5350a66d5279 | 574 | } |
hudakz | 0:5350a66d5279 | 575 | |
hudakz | 0:5350a66d5279 | 576 | #if UIP_UDP |
hudakz | 0:5350a66d5279 | 577 | |
hudakz | 0:5350a66d5279 | 578 | /** |
hudakz | 0:5350a66d5279 | 579 | * @brief |
hudakz | 0:5350a66d5279 | 580 | * @note |
hudakz | 0:5350a66d5279 | 581 | * @param |
hudakz | 0:5350a66d5279 | 582 | * @retval |
hudakz | 0:5350a66d5279 | 583 | */ |
hudakz | 0:5350a66d5279 | 584 | uint16_t uip_udpchksum(void) { |
hudakz | 0:5350a66d5279 | 585 | uint16_t sum = UIPEthernet.upper_layer_chksum(UIP_PROTO_UDP); |
hudakz | 0:5350a66d5279 | 586 | return sum; |
hudakz | 0:5350a66d5279 | 587 | } |
hudakz | 0:5350a66d5279 | 588 | #endif |
hudakz | 0:5350a66d5279 | 589 | |
hudakz | 0:5350a66d5279 | 590 | |
hudakz | 0:5350a66d5279 | 591 |