Mbed library for ENC28J60 Ethernet modules. Full support for TCP/IP and UDP Server, Client and HTTP server (webserver). DHCP and DNS is included.
Dependents: mBuino_ENC28_MQTT Nucleo_Web_ENC28J60 Nucleo_Web_ENC28J60_ADC Serial_over_Ethernet ... more
Library for ENC28J60 Ethernet modules.
Ported to mbed from Norbert Truchsess's UIPEthernet library for Arduino. Thank you Norbert!
- Full support for persistent (streaming) TCP/IP and UDP connections Client and Server each, ARP, ICMP, DHCP and DNS.
- Works with both Mbed OS 2 and Mbed OS 5.
Usage:
- Import the library into your project.
- Add
#include "UipEthernet.h"
tomain.cpp
- Create one instance of the UipEthernet class initialized with the MAC address you'd like to use and SPI pins of the connected Mbed board.
Example programs:
Import programWebSwitch_ENC28J60
HTTP Server serving a simple webpage which enables to remotely turn a digital output on/off. Compile, download, run and type 'IP_address/secret/' (don't forget the last '/') into your web browser and hit ENTER.
Import programHTTPServer_Echo_ENC28J60
A simple HTTP server echoing received requests. Ethernet connection is over an ENC28J60 board. Usage: Type the server's IP address into you web browser and hit <ENTER>.
Import programTcpServer_ENC28J60
Simple TCP/IP Server using the UIPEthernet library for ENC28J60 Ethernet boards.
Import programTcpClient_ENC28J60
Simple TCP/IP Client using the UIPEthernet library for ENC28J60 Ethernet boards.
Import programUdpServer_ENC28J60
Simple UDP Server using the UIPEthernet library for ENC28J60 Ethernet boards.
Import programUdpClient_ENC28J60
Simple UDP Client using the UIPEthernet library for ENC28J60 Ethernet boards.
Import programMQTT_Hello_ENC28J60
MQTT Client example program. Ethernet connection is via an ENC28J60 module.
UipEthernet.cpp@15:53715cc81c63, 2019-09-07 (annotated)
- Committer:
- hudakz
- Date:
- Sat Sep 07 17:42:42 2019 +0000
- Revision:
- 15:53715cc81c63
- Parent:
- 14:7648334eb41b
- Child:
- 16:269f652b4d0b
Timeout parameter added for the 'connect' function, SPI speed reduced from 20 to 10 Mb/s, debug messages fixed ...
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 9:a156d3de5647 | 1 | /* |
hudakz | 9:a156d3de5647 | 2 | UIPEthernet.cpp - Arduino implementation of a UIP wrapper class. |
hudakz | 9:a156d3de5647 | 3 | Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de> |
hudakz | 9:a156d3de5647 | 4 | All rights reserved. |
hudakz | 9:a156d3de5647 | 5 | |
hudakz | 9:a156d3de5647 | 6 | Modified (ported to mbed) by Zoltan Hudak <hudakz@inbox.com> |
hudakz | 9:a156d3de5647 | 7 | |
hudakz | 9:a156d3de5647 | 8 | This program is free software: you can redistribute it and/or modify |
hudakz | 9:a156d3de5647 | 9 | it under the terms of the GNU General Public License as published by |
hudakz | 9:a156d3de5647 | 10 | the Free Software Foundation, either version 3 of the License, or |
hudakz | 9:a156d3de5647 | 11 | (at your option) any later version. |
hudakz | 9:a156d3de5647 | 12 | |
hudakz | 9:a156d3de5647 | 13 | This program is distributed in the hope that it will be useful, |
hudakz | 9:a156d3de5647 | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
hudakz | 9:a156d3de5647 | 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
hudakz | 9:a156d3de5647 | 16 | GNU General Public License for more details. |
hudakz | 9:a156d3de5647 | 17 | |
hudakz | 9:a156d3de5647 | 18 | You should have received a copy of the GNU General Public License |
hudakz | 9:a156d3de5647 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
hudakz | 9:a156d3de5647 | 20 | */ |
hudakz | 9:a156d3de5647 | 21 | #include "mbed.h" |
hudakz | 9:a156d3de5647 | 22 | #include "UipEthernet.h" |
hudakz | 11:647d53d146f1 | 23 | #include "utility/Enc28j60Eth.h" |
hudakz | 9:a156d3de5647 | 24 | #include "UdpSocket.h" |
hudakz | 9:a156d3de5647 | 25 | |
hudakz | 9:a156d3de5647 | 26 | extern "C" |
hudakz | 9:a156d3de5647 | 27 | { |
hudakz | 9:a156d3de5647 | 28 | #include "utility/uip-conf.h" |
hudakz | 9:a156d3de5647 | 29 | #include "utility/uip.h" |
hudakz | 9:a156d3de5647 | 30 | #include "utility/uip_arp.h" |
hudakz | 9:a156d3de5647 | 31 | #include "utility/uip_timer.h" |
hudakz | 9:a156d3de5647 | 32 | } |
hudakz | 9:a156d3de5647 | 33 | #define ETH_HDR ((struct uip_eth_hdr*) &uip_buf[0]) |
hudakz | 9:a156d3de5647 | 34 | |
hudakz | 9:a156d3de5647 | 35 | UipEthernet* UipEthernet:: ethernet = NULL; |
hudakz | 9:a156d3de5647 | 36 | memhandle UipEthernet:: inPacket(NOBLOCK); |
hudakz | 9:a156d3de5647 | 37 | memhandle UipEthernet:: uipPacket(NOBLOCK); |
hudakz | 9:a156d3de5647 | 38 | uint8_t UipEthernet:: uipHeaderLen(0); |
hudakz | 9:a156d3de5647 | 39 | uint8_t UipEthernet:: packetState(0); |
hudakz | 9:a156d3de5647 | 40 | IpAddress UipEthernet:: dnsServerAddress; |
hudakz | 9:a156d3de5647 | 41 | |
hudakz | 9:a156d3de5647 | 42 | /** |
hudakz | 9:a156d3de5647 | 43 | * @brief |
hudakz | 9:a156d3de5647 | 44 | * @note |
hudakz | 9:a156d3de5647 | 45 | * @param |
hudakz | 9:a156d3de5647 | 46 | * @retval |
hudakz | 9:a156d3de5647 | 47 | */ |
hudakz | 9:a156d3de5647 | 48 | void enc28j60_mempool_block_move_callback(memaddress dest, memaddress src, memaddress len) |
hudakz | 9:a156d3de5647 | 49 | { |
hudakz | 11:647d53d146f1 | 50 | //as ENC28J60 DMA is unable to copy single byte: |
hudakz | 9:a156d3de5647 | 51 | if (len == 1) { |
hudakz | 11:647d53d146f1 | 52 | UipEthernet::ethernet->enc28j60Eth.writeByte(dest, UipEthernet::ethernet->enc28j60Eth.readByte(src)); |
hudakz | 9:a156d3de5647 | 53 | } |
hudakz | 9:a156d3de5647 | 54 | else { |
hudakz | 9:a156d3de5647 | 55 | // calculate address of last byte |
hudakz | 9:a156d3de5647 | 56 | len += src - 1; |
hudakz | 9:a156d3de5647 | 57 | |
hudakz | 9:a156d3de5647 | 58 | /* 1. Appropriately program the EDMAST, EDMAND |
hudakz | 9:a156d3de5647 | 59 | and EDMADST register pairs. The EDMAST |
hudakz | 9:a156d3de5647 | 60 | registers should point to the first byte to copy |
hudakz | 9:a156d3de5647 | 61 | from, the EDMAND registers should point to the |
hudakz | 9:a156d3de5647 | 62 | last byte to copy and the EDMADST registers |
hudakz | 9:a156d3de5647 | 63 | should point to the first byte in the destination |
hudakz | 9:a156d3de5647 | 64 | range. The destination range will always be |
hudakz | 9:a156d3de5647 | 65 | linear, never wrapping at any values except from |
hudakz | 9:a156d3de5647 | 66 | 8191 to 0 (the 8-Kbyte memory boundary). |
hudakz | 9:a156d3de5647 | 67 | Extreme care should be taken when |
hudakz | 9:a156d3de5647 | 68 | programming the start and end pointers to |
hudakz | 9:a156d3de5647 | 69 | prevent a never ending DMA operation which |
hudakz | 9:a156d3de5647 | 70 | would overwrite the entire 8-Kbyte buffer. |
hudakz | 9:a156d3de5647 | 71 | */ |
hudakz | 11:647d53d146f1 | 72 | UipEthernet::ethernet->enc28j60Eth.writeRegPair(EDMASTL, src); |
hudakz | 11:647d53d146f1 | 73 | UipEthernet::ethernet->enc28j60Eth.writeRegPair(EDMADSTL, dest); |
hudakz | 9:a156d3de5647 | 74 | |
hudakz | 11:647d53d146f1 | 75 | if ((src <= RXEND_INIT) && (len > RXEND_INIT)) |
hudakz | 11:647d53d146f1 | 76 | len -= ((RXEND_INIT + 1) - RXSTART_INIT); |
hudakz | 11:647d53d146f1 | 77 | UipEthernet::ethernet->enc28j60Eth.writeRegPair(EDMANDL, len); |
hudakz | 9:a156d3de5647 | 78 | |
hudakz | 9:a156d3de5647 | 79 | /* 2. If an interrupt at the end of the copy process is |
hudakz | 9:a156d3de5647 | 80 | desired, set EIE.DMAIE and EIE.INTIE and |
hudakz | 9:a156d3de5647 | 81 | clear EIR.DMAIF. |
hudakz | 9:a156d3de5647 | 82 | |
hudakz | 9:a156d3de5647 | 83 | 3. Verify that ECON1.CSUMEN is clear. */ |
hudakz | 11:647d53d146f1 | 84 | UipEthernet::ethernet->enc28j60Eth.writeOp(ENC28J60_BIT_FIELD_CLR, ECON1, ECON1_CSUMEN); |
hudakz | 9:a156d3de5647 | 85 | |
hudakz | 9:a156d3de5647 | 86 | /* 4. Start the DMA copy by setting ECON1.DMAST. */ |
hudakz | 11:647d53d146f1 | 87 | UipEthernet::ethernet->enc28j60Eth.writeOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_DMAST); |
hudakz | 9:a156d3de5647 | 88 | |
hudakz | 9:a156d3de5647 | 89 | // wait until runnig DMA is completed |
hudakz | 11:647d53d146f1 | 90 | while (UipEthernet::ethernet->enc28j60Eth.readOp(ENC28J60_READ_CTRL_REG, ECON1) & ECON1_DMAST); |
hudakz | 9:a156d3de5647 | 91 | } |
hudakz | 9:a156d3de5647 | 92 | } |
hudakz | 9:a156d3de5647 | 93 | |
hudakz | 9:a156d3de5647 | 94 | /* |
hudakz | 9:a156d3de5647 | 95 | * Because UIP isn't encapsulated within a class we have to use global |
hudakz | 9:a156d3de5647 | 96 | * variables, so we can only have one TCP/IP stack per program. |
hudakz | 9:a156d3de5647 | 97 | */ |
hudakz | 9:a156d3de5647 | 98 | UipEthernet::UipEthernet(const uint8_t mac[6], PinName mosi, PinName miso, PinName sck, PinName cs) : |
hudakz | 11:647d53d146f1 | 99 | enc28j60Eth(mosi, miso, sck, cs), |
hudakz | 9:a156d3de5647 | 100 | _mac(new uint8_t[6]), |
hudakz | 9:a156d3de5647 | 101 | _ip(), |
hudakz | 9:a156d3de5647 | 102 | _dns(), |
hudakz | 9:a156d3de5647 | 103 | _gateway(), |
hudakz | 9:a156d3de5647 | 104 | _subnet() |
hudakz | 9:a156d3de5647 | 105 | { |
hudakz | 9:a156d3de5647 | 106 | for (uint8_t i = 0; i < 6; i++) |
hudakz | 9:a156d3de5647 | 107 | _mac[i] = mac[i]; |
hudakz | 9:a156d3de5647 | 108 | } |
hudakz | 9:a156d3de5647 | 109 | |
hudakz | 9:a156d3de5647 | 110 | /** |
hudakz | 9:a156d3de5647 | 111 | * @brief |
hudakz | 9:a156d3de5647 | 112 | * @note |
hudakz | 9:a156d3de5647 | 113 | * @param |
hudakz | 9:a156d3de5647 | 114 | * @retval |
hudakz | 9:a156d3de5647 | 115 | */ |
hudakz | 15:53715cc81c63 | 116 | int UipEthernet::connect(unsigned long timeout) |
hudakz | 9:a156d3de5647 | 117 | { |
hudakz | 9:a156d3de5647 | 118 | // Inicialize static pointer to the UIPEthernet instance |
hudakz | 9:a156d3de5647 | 119 | ethernet = this; |
hudakz | 9:a156d3de5647 | 120 | |
hudakz | 9:a156d3de5647 | 121 | // Initialise the basic info |
hudakz | 9:a156d3de5647 | 122 | init(_mac); |
hudakz | 9:a156d3de5647 | 123 | |
hudakz | 9:a156d3de5647 | 124 | // If no local IP address has been set ask DHCP server to provide one |
hudakz | 9:a156d3de5647 | 125 | if (_ip == IpAddress()) { |
hudakz | 9:a156d3de5647 | 126 | // Now try to get our config info from a DHCP server |
hudakz | 15:53715cc81c63 | 127 | int ret = dhcpClient.begin((uint8_t*)_mac, timeout); |
hudakz | 9:a156d3de5647 | 128 | |
hudakz | 9:a156d3de5647 | 129 | if (ret == 1) { |
hudakz | 9:a156d3de5647 | 130 | // We've successfully found a DHCP server and got our configuration info, so set things |
hudakz | 9:a156d3de5647 | 131 | // accordingly |
hudakz | 9:a156d3de5647 | 132 | set_network |
hudakz | 9:a156d3de5647 | 133 | ( |
hudakz | 9:a156d3de5647 | 134 | dhcpClient.getLocalIp(), |
hudakz | 9:a156d3de5647 | 135 | dhcpClient.getDnsServerIp(), |
hudakz | 9:a156d3de5647 | 136 | dhcpClient.getGatewayIp(), |
hudakz | 9:a156d3de5647 | 137 | dhcpClient.getSubnetMask() |
hudakz | 9:a156d3de5647 | 138 | ); |
hudakz | 14:7648334eb41b | 139 | |
hudakz | 14:7648334eb41b | 140 | return 0; |
hudakz | 9:a156d3de5647 | 141 | } |
hudakz | 9:a156d3de5647 | 142 | |
hudakz | 14:7648334eb41b | 143 | return -1; |
hudakz | 9:a156d3de5647 | 144 | } |
hudakz | 9:a156d3de5647 | 145 | else { |
hudakz | 14:7648334eb41b | 146 | return 0; |
hudakz | 9:a156d3de5647 | 147 | } |
hudakz | 9:a156d3de5647 | 148 | } |
hudakz | 11:647d53d146f1 | 149 | |
hudakz | 11:647d53d146f1 | 150 | /** |
hudakz | 11:647d53d146f1 | 151 | * @brief |
hudakz | 11:647d53d146f1 | 152 | * @note |
hudakz | 11:647d53d146f1 | 153 | * @param |
hudakz | 11:647d53d146f1 | 154 | * @retval |
hudakz | 11:647d53d146f1 | 155 | */ |
hudakz | 13:95c00132cd98 | 156 | void UipEthernet::disconnect() |
hudakz | 13:95c00132cd98 | 157 | { |
hudakz | 13:95c00132cd98 | 158 | ethernet = NULL; |
hudakz | 13:95c00132cd98 | 159 | } |
hudakz | 13:95c00132cd98 | 160 | |
hudakz | 13:95c00132cd98 | 161 | /** |
hudakz | 13:95c00132cd98 | 162 | * @brief |
hudakz | 13:95c00132cd98 | 163 | * @note |
hudakz | 13:95c00132cd98 | 164 | * @param |
hudakz | 13:95c00132cd98 | 165 | * @retval |
hudakz | 13:95c00132cd98 | 166 | */ |
hudakz | 11:647d53d146f1 | 167 | void UipEthernet::set_network(const char *ip_address, const char *netmask, const char *gateway) |
hudakz | 11:647d53d146f1 | 168 | { |
hudakz | 11:647d53d146f1 | 169 | _ip = IpAddress(ip_address, strlen(ip_address)); |
hudakz | 11:647d53d146f1 | 170 | _dns = _ip; |
hudakz | 11:647d53d146f1 | 171 | _dns[3] = 1; |
hudakz | 11:647d53d146f1 | 172 | _gateway = IpAddress(gateway, strlen(gateway)); |
hudakz | 11:647d53d146f1 | 173 | _subnet = IpAddress(netmask, strlen(netmask)); |
hudakz | 11:647d53d146f1 | 174 | set_network(_ip, _dns, _gateway, _subnet); |
hudakz | 11:647d53d146f1 | 175 | } |
hudakz | 9:a156d3de5647 | 176 | |
hudakz | 9:a156d3de5647 | 177 | /** |
hudakz | 9:a156d3de5647 | 178 | * @brief |
hudakz | 9:a156d3de5647 | 179 | * @note |
hudakz | 9:a156d3de5647 | 180 | * @param |
hudakz | 9:a156d3de5647 | 181 | * @retval |
hudakz | 9:a156d3de5647 | 182 | */ |
hudakz | 9:a156d3de5647 | 183 | void UipEthernet::set_network(uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4) |
hudakz | 9:a156d3de5647 | 184 | { |
hudakz | 9:a156d3de5647 | 185 | _ip = IpAddress(octet1, octet2, octet3, octet4); |
hudakz | 9:a156d3de5647 | 186 | set_network(_ip); |
hudakz | 9:a156d3de5647 | 187 | } |
hudakz | 9:a156d3de5647 | 188 | |
hudakz | 9:a156d3de5647 | 189 | /** |
hudakz | 9:a156d3de5647 | 190 | * @brief |
hudakz | 9:a156d3de5647 | 191 | * @note |
hudakz | 9:a156d3de5647 | 192 | * @param |
hudakz | 9:a156d3de5647 | 193 | * @retval |
hudakz | 9:a156d3de5647 | 194 | */ |
hudakz | 9:a156d3de5647 | 195 | void UipEthernet::set_network(IpAddress ip) |
hudakz | 9:a156d3de5647 | 196 | { |
hudakz | 9:a156d3de5647 | 197 | _ip = ip; |
hudakz | 9:a156d3de5647 | 198 | _dns = ip; |
hudakz | 9:a156d3de5647 | 199 | _dns[3] = 1; |
hudakz | 9:a156d3de5647 | 200 | set_network(ip, dns); |
hudakz | 9:a156d3de5647 | 201 | } |
hudakz | 9:a156d3de5647 | 202 | |
hudakz | 9:a156d3de5647 | 203 | /** |
hudakz | 9:a156d3de5647 | 204 | * @brief |
hudakz | 9:a156d3de5647 | 205 | * @note |
hudakz | 9:a156d3de5647 | 206 | * @param |
hudakz | 9:a156d3de5647 | 207 | * @retval |
hudakz | 9:a156d3de5647 | 208 | */ |
hudakz | 9:a156d3de5647 | 209 | void UipEthernet::set_network(IpAddress ip, IpAddress dns) |
hudakz | 9:a156d3de5647 | 210 | { |
hudakz | 9:a156d3de5647 | 211 | _ip = ip; |
hudakz | 9:a156d3de5647 | 212 | _dns = dns; |
hudakz | 9:a156d3de5647 | 213 | _gateway = ip; |
hudakz | 9:a156d3de5647 | 214 | _gateway[3] = 1; |
hudakz | 9:a156d3de5647 | 215 | set_network(ip, dns, _gateway); |
hudakz | 9:a156d3de5647 | 216 | } |
hudakz | 9:a156d3de5647 | 217 | |
hudakz | 9:a156d3de5647 | 218 | /** |
hudakz | 9:a156d3de5647 | 219 | * @brief |
hudakz | 9:a156d3de5647 | 220 | * @note |
hudakz | 9:a156d3de5647 | 221 | * @param |
hudakz | 9:a156d3de5647 | 222 | * @retval |
hudakz | 9:a156d3de5647 | 223 | */ |
hudakz | 9:a156d3de5647 | 224 | void UipEthernet::set_network(IpAddress ip, IpAddress dns, IpAddress gateway) |
hudakz | 9:a156d3de5647 | 225 | { |
hudakz | 9:a156d3de5647 | 226 | _ip = ip; |
hudakz | 9:a156d3de5647 | 227 | _dns = dns; |
hudakz | 9:a156d3de5647 | 228 | _gateway = gateway; |
hudakz | 9:a156d3de5647 | 229 | _subnet = IpAddress(255, 255, 255, 0); |
hudakz | 11:647d53d146f1 | 230 | set_network(_ip, _dns, _gateway, _subnet); |
hudakz | 9:a156d3de5647 | 231 | } |
hudakz | 9:a156d3de5647 | 232 | |
hudakz | 9:a156d3de5647 | 233 | /** |
hudakz | 9:a156d3de5647 | 234 | * @brief |
hudakz | 9:a156d3de5647 | 235 | * @note |
hudakz | 9:a156d3de5647 | 236 | * @param |
hudakz | 9:a156d3de5647 | 237 | * @retval |
hudakz | 9:a156d3de5647 | 238 | */ |
hudakz | 9:a156d3de5647 | 239 | void UipEthernet::set_network(IpAddress ip, IpAddress dns, IpAddress gateway, IpAddress subnet) |
hudakz | 9:a156d3de5647 | 240 | { |
hudakz | 9:a156d3de5647 | 241 | uip_ipaddr_t ipaddr; |
hudakz | 9:a156d3de5647 | 242 | |
hudakz | 9:a156d3de5647 | 243 | uip_ip_addr(ipaddr, ip); |
hudakz | 9:a156d3de5647 | 244 | uip_sethostaddr(ipaddr); |
hudakz | 9:a156d3de5647 | 245 | |
hudakz | 9:a156d3de5647 | 246 | uip_ip_addr(ipaddr, gateway); |
hudakz | 9:a156d3de5647 | 247 | uip_setdraddr(ipaddr); |
hudakz | 9:a156d3de5647 | 248 | |
hudakz | 9:a156d3de5647 | 249 | uip_ip_addr(ipaddr, subnet); |
hudakz | 9:a156d3de5647 | 250 | uip_setnetmask(ipaddr); |
hudakz | 9:a156d3de5647 | 251 | |
hudakz | 9:a156d3de5647 | 252 | dnsServerAddress = dns; |
hudakz | 9:a156d3de5647 | 253 | } |
hudakz | 9:a156d3de5647 | 254 | |
hudakz | 9:a156d3de5647 | 255 | /** |
hudakz | 9:a156d3de5647 | 256 | * @brief |
hudakz | 9:a156d3de5647 | 257 | * @note |
hudakz | 9:a156d3de5647 | 258 | * @param |
hudakz | 9:a156d3de5647 | 259 | * @retval |
hudakz | 9:a156d3de5647 | 260 | */ |
hudakz | 9:a156d3de5647 | 261 | IpAddress UipEthernet::localIP() |
hudakz | 9:a156d3de5647 | 262 | { |
hudakz | 9:a156d3de5647 | 263 | uip_ipaddr_t a; |
hudakz | 9:a156d3de5647 | 264 | |
hudakz | 9:a156d3de5647 | 265 | uip_gethostaddr(a); |
hudakz | 9:a156d3de5647 | 266 | return ip_addr_uip(a); |
hudakz | 9:a156d3de5647 | 267 | } |
hudakz | 9:a156d3de5647 | 268 | |
hudakz | 9:a156d3de5647 | 269 | /** |
hudakz | 9:a156d3de5647 | 270 | * @brief |
hudakz | 9:a156d3de5647 | 271 | * @note |
hudakz | 9:a156d3de5647 | 272 | * @param |
hudakz | 9:a156d3de5647 | 273 | * @retval |
hudakz | 9:a156d3de5647 | 274 | */ |
hudakz | 9:a156d3de5647 | 275 | IpAddress UipEthernet::subnetMask() |
hudakz | 9:a156d3de5647 | 276 | { |
hudakz | 9:a156d3de5647 | 277 | uip_ipaddr_t a; |
hudakz | 9:a156d3de5647 | 278 | |
hudakz | 9:a156d3de5647 | 279 | uip_getnetmask(a); |
hudakz | 9:a156d3de5647 | 280 | return ip_addr_uip(a); |
hudakz | 9:a156d3de5647 | 281 | } |
hudakz | 9:a156d3de5647 | 282 | |
hudakz | 9:a156d3de5647 | 283 | /** |
hudakz | 9:a156d3de5647 | 284 | * @brief |
hudakz | 9:a156d3de5647 | 285 | * @note |
hudakz | 9:a156d3de5647 | 286 | * @param |
hudakz | 9:a156d3de5647 | 287 | * @retval |
hudakz | 9:a156d3de5647 | 288 | */ |
hudakz | 9:a156d3de5647 | 289 | IpAddress UipEthernet::gatewayIP() |
hudakz | 9:a156d3de5647 | 290 | { |
hudakz | 9:a156d3de5647 | 291 | uip_ipaddr_t a; |
hudakz | 9:a156d3de5647 | 292 | |
hudakz | 9:a156d3de5647 | 293 | uip_getdraddr(a); |
hudakz | 9:a156d3de5647 | 294 | return ip_addr_uip(a); |
hudakz | 9:a156d3de5647 | 295 | } |
hudakz | 9:a156d3de5647 | 296 | |
hudakz | 9:a156d3de5647 | 297 | /** |
hudakz | 9:a156d3de5647 | 298 | * @brief |
hudakz | 9:a156d3de5647 | 299 | * @note |
hudakz | 9:a156d3de5647 | 300 | * @param |
hudakz | 9:a156d3de5647 | 301 | * @retval |
hudakz | 9:a156d3de5647 | 302 | */ |
hudakz | 9:a156d3de5647 | 303 | IpAddress UipEthernet::dnsServerIP() |
hudakz | 9:a156d3de5647 | 304 | { |
hudakz | 9:a156d3de5647 | 305 | return dnsServerAddress; |
hudakz | 9:a156d3de5647 | 306 | } |
hudakz | 9:a156d3de5647 | 307 | |
hudakz | 9:a156d3de5647 | 308 | /** |
hudakz | 9:a156d3de5647 | 309 | * @brief |
hudakz | 9:a156d3de5647 | 310 | * @note |
hudakz | 9:a156d3de5647 | 311 | * @param |
hudakz | 9:a156d3de5647 | 312 | * @retval |
hudakz | 9:a156d3de5647 | 313 | */ |
hudakz | 9:a156d3de5647 | 314 | const char* UipEthernet::get_ip_address() |
hudakz | 9:a156d3de5647 | 315 | { |
hudakz | 9:a156d3de5647 | 316 | static char buf[16]; |
hudakz | 9:a156d3de5647 | 317 | return localIP().toString(buf); |
hudakz | 9:a156d3de5647 | 318 | } |
hudakz | 9:a156d3de5647 | 319 | |
hudakz | 9:a156d3de5647 | 320 | /** |
hudakz | 9:a156d3de5647 | 321 | * @brief |
hudakz | 9:a156d3de5647 | 322 | * @note |
hudakz | 9:a156d3de5647 | 323 | * @param |
hudakz | 9:a156d3de5647 | 324 | * @retval |
hudakz | 9:a156d3de5647 | 325 | */ |
hudakz | 9:a156d3de5647 | 326 | const char* UipEthernet::get_netmask() |
hudakz | 9:a156d3de5647 | 327 | { |
hudakz | 9:a156d3de5647 | 328 | static char buf[16]; |
hudakz | 9:a156d3de5647 | 329 | return subnetMask().toString(buf); |
hudakz | 9:a156d3de5647 | 330 | } |
hudakz | 9:a156d3de5647 | 331 | |
hudakz | 9:a156d3de5647 | 332 | /** |
hudakz | 9:a156d3de5647 | 333 | * @brief |
hudakz | 9:a156d3de5647 | 334 | * @note |
hudakz | 9:a156d3de5647 | 335 | * @param |
hudakz | 9:a156d3de5647 | 336 | * @retval |
hudakz | 9:a156d3de5647 | 337 | */ |
hudakz | 9:a156d3de5647 | 338 | const char* UipEthernet::get_gateway() |
hudakz | 9:a156d3de5647 | 339 | { |
hudakz | 9:a156d3de5647 | 340 | static char buf[16]; |
hudakz | 9:a156d3de5647 | 341 | return gatewayIP().toString(buf); |
hudakz | 9:a156d3de5647 | 342 | } |
hudakz | 9:a156d3de5647 | 343 | |
hudakz | 9:a156d3de5647 | 344 | /** |
hudakz | 9:a156d3de5647 | 345 | * @brief |
hudakz | 9:a156d3de5647 | 346 | * @note |
hudakz | 9:a156d3de5647 | 347 | * @param |
hudakz | 9:a156d3de5647 | 348 | * @retval |
hudakz | 9:a156d3de5647 | 349 | */ |
hudakz | 9:a156d3de5647 | 350 | void UipEthernet::tick() |
hudakz | 9:a156d3de5647 | 351 | { |
hudakz | 9:a156d3de5647 | 352 | if (inPacket == NOBLOCK) { |
hudakz | 11:647d53d146f1 | 353 | inPacket = enc28j60Eth.receivePacket(); |
hudakz | 9:a156d3de5647 | 354 | #ifdef UIPETHERNET_DEBUG |
hudakz | 15:53715cc81c63 | 355 | if (inPacket != NOBLOCK) { |
hudakz | 15:53715cc81c63 | 356 | printf("--------------\r\nreceivePacket: %d\r\n", inPacket); |
hudakz | 9:a156d3de5647 | 357 | } |
hudakz | 9:a156d3de5647 | 358 | #endif |
hudakz | 9:a156d3de5647 | 359 | } |
hudakz | 9:a156d3de5647 | 360 | |
hudakz | 9:a156d3de5647 | 361 | if (inPacket != NOBLOCK) { |
hudakz | 9:a156d3de5647 | 362 | packetState = UIPETHERNET_FREEPACKET; |
hudakz | 11:647d53d146f1 | 363 | uip_len = enc28j60Eth.blockSize(inPacket); |
hudakz | 9:a156d3de5647 | 364 | if (uip_len > 0) { |
hudakz | 11:647d53d146f1 | 365 | enc28j60Eth.readPacket(inPacket, 0, (uint8_t*)uip_buf, UIP_BUFSIZE); |
hudakz | 9:a156d3de5647 | 366 | if (ETH_HDR->type == HTONS(UIP_ETHTYPE_IP)) { |
hudakz | 9:a156d3de5647 | 367 | uipPacket = inPacket; //required for upper_layer_checksum of in_packet! |
hudakz | 9:a156d3de5647 | 368 | #ifdef UIPETHERNET_DEBUG |
hudakz | 9:a156d3de5647 | 369 | printf("readPacket type IP, uip_len: %d\r\n", uip_len); |
hudakz | 9:a156d3de5647 | 370 | #endif |
hudakz | 9:a156d3de5647 | 371 | uip_arp_ipin(); |
hudakz | 9:a156d3de5647 | 372 | uip_input(); |
hudakz | 9:a156d3de5647 | 373 | if (uip_len > 0) { |
hudakz | 9:a156d3de5647 | 374 | uip_arp_out(); |
hudakz | 9:a156d3de5647 | 375 | network_send(); |
hudakz | 9:a156d3de5647 | 376 | } |
hudakz | 9:a156d3de5647 | 377 | } |
hudakz | 9:a156d3de5647 | 378 | else |
hudakz | 9:a156d3de5647 | 379 | if (ETH_HDR->type == HTONS(UIP_ETHTYPE_ARP)) |
hudakz | 9:a156d3de5647 | 380 | { |
hudakz | 9:a156d3de5647 | 381 | #ifdef UIPETHERNET_DEBUG |
hudakz | 9:a156d3de5647 | 382 | printf("readPacket type ARP, uip_len: %d\r\n", uip_len); |
hudakz | 9:a156d3de5647 | 383 | #endif |
hudakz | 9:a156d3de5647 | 384 | uip_arp_arpin(); |
hudakz | 9:a156d3de5647 | 385 | if (uip_len > 0) { |
hudakz | 9:a156d3de5647 | 386 | network_send(); |
hudakz | 9:a156d3de5647 | 387 | } |
hudakz | 9:a156d3de5647 | 388 | } |
hudakz | 9:a156d3de5647 | 389 | } |
hudakz | 9:a156d3de5647 | 390 | |
hudakz | 9:a156d3de5647 | 391 | if (inPacket != NOBLOCK && (packetState & UIPETHERNET_FREEPACKET)) |
hudakz | 9:a156d3de5647 | 392 | { |
hudakz | 9:a156d3de5647 | 393 | #ifdef UIPETHERNET_DEBUG |
hudakz | 15:53715cc81c63 | 394 | printf("freeing packet: %d\r\n", inPacket); |
hudakz | 9:a156d3de5647 | 395 | #endif |
hudakz | 11:647d53d146f1 | 396 | enc28j60Eth.freePacket(); |
hudakz | 9:a156d3de5647 | 397 | inPacket = NOBLOCK; |
hudakz | 9:a156d3de5647 | 398 | } |
hudakz | 9:a156d3de5647 | 399 | } |
hudakz | 9:a156d3de5647 | 400 | |
hudakz | 9:a156d3de5647 | 401 | bool periodic = periodicTimer.read_ms() > UIP_PERIODIC_TIMEOUT; |
hudakz | 9:a156d3de5647 | 402 | |
hudakz | 9:a156d3de5647 | 403 | for (int i = 0; i < UIP_CONNS; i++) { |
hudakz | 9:a156d3de5647 | 404 | uip_conn = &uip_conns[i]; |
hudakz | 9:a156d3de5647 | 405 | if (periodic) { |
hudakz | 9:a156d3de5647 | 406 | uip_process(UIP_TIMER); |
hudakz | 9:a156d3de5647 | 407 | } |
hudakz | 9:a156d3de5647 | 408 | else { |
hudakz | 9:a156d3de5647 | 409 | uip_userdata_t* data = (uip_userdata_t*)uip_conn->appstate; |
hudakz | 9:a156d3de5647 | 410 | if (data != NULL) { |
hudakz | 9:a156d3de5647 | 411 | if (data->pollTimer.read_ms() >= UIP_CLIENT_TIMEOUT) { |
hudakz | 9:a156d3de5647 | 412 | uip_process(UIP_POLL_REQUEST); |
hudakz | 9:a156d3de5647 | 413 | data->pollTimer.stop(); |
hudakz | 9:a156d3de5647 | 414 | data->pollTimer.reset(); |
hudakz | 9:a156d3de5647 | 415 | } |
hudakz | 9:a156d3de5647 | 416 | } |
hudakz | 9:a156d3de5647 | 417 | else |
hudakz | 9:a156d3de5647 | 418 | continue; |
hudakz | 9:a156d3de5647 | 419 | } |
hudakz | 9:a156d3de5647 | 420 | |
hudakz | 9:a156d3de5647 | 421 | // If the above function invocation resulted in data that |
hudakz | 9:a156d3de5647 | 422 | // should be sent out on the Enc28J60Network, the global variable |
hudakz | 9:a156d3de5647 | 423 | // uip_len is set to a value > 0. |
hudakz | 9:a156d3de5647 | 424 | if (uip_len > 0) { |
hudakz | 9:a156d3de5647 | 425 | uip_arp_out(); |
hudakz | 9:a156d3de5647 | 426 | network_send(); |
hudakz | 9:a156d3de5647 | 427 | } |
hudakz | 9:a156d3de5647 | 428 | } |
hudakz | 9:a156d3de5647 | 429 | |
hudakz | 9:a156d3de5647 | 430 | if (periodic) { |
hudakz | 9:a156d3de5647 | 431 | periodicTimer.reset(); |
hudakz | 9:a156d3de5647 | 432 | #if UIP_UDP |
hudakz | 9:a156d3de5647 | 433 | for (int i = 0; i < UIP_UDP_CONNS; i++) { |
hudakz | 9:a156d3de5647 | 434 | uip_udp_periodic(i); |
hudakz | 9:a156d3de5647 | 435 | |
hudakz | 9:a156d3de5647 | 436 | // If the above function invocation resulted in data that |
hudakz | 9:a156d3de5647 | 437 | // should be sent out on the Enc28J60Network, the global variable |
hudakz | 9:a156d3de5647 | 438 | // uip_len is set to a value > 0. |
hudakz | 9:a156d3de5647 | 439 | if (uip_len > 0) { |
hudakz | 9:a156d3de5647 | 440 | UdpSocket::_send((uip_udp_userdata_t *) (uip_udp_conns[i].appstate)); |
hudakz | 9:a156d3de5647 | 441 | } |
hudakz | 9:a156d3de5647 | 442 | } |
hudakz | 9:a156d3de5647 | 443 | #endif // UIP_UDP |
hudakz | 9:a156d3de5647 | 444 | } |
hudakz | 9:a156d3de5647 | 445 | } |
hudakz | 9:a156d3de5647 | 446 | |
hudakz | 9:a156d3de5647 | 447 | /** |
hudakz | 9:a156d3de5647 | 448 | * @brief |
hudakz | 9:a156d3de5647 | 449 | * @note |
hudakz | 9:a156d3de5647 | 450 | * @param |
hudakz | 9:a156d3de5647 | 451 | * @retval |
hudakz | 9:a156d3de5647 | 452 | */ |
hudakz | 9:a156d3de5647 | 453 | bool UipEthernet::network_send() |
hudakz | 9:a156d3de5647 | 454 | { |
hudakz | 9:a156d3de5647 | 455 | if (packetState & UIPETHERNET_SENDPACKET) |
hudakz | 9:a156d3de5647 | 456 | { |
hudakz | 9:a156d3de5647 | 457 | #ifdef UIPETHERNET_DEBUG |
hudakz | 15:53715cc81c63 | 458 | printf("Enc28J60Network_send uipPacket: %d, hdrlen: %d\r\n", inPacket, uipHeaderLen); |
hudakz | 9:a156d3de5647 | 459 | #endif |
hudakz | 11:647d53d146f1 | 460 | enc28j60Eth.writePacket(uipPacket, 0, uip_buf, uipHeaderLen); |
hudakz | 9:a156d3de5647 | 461 | packetState &= ~UIPETHERNET_SENDPACKET; |
hudakz | 9:a156d3de5647 | 462 | goto sendandfree; |
hudakz | 9:a156d3de5647 | 463 | } |
hudakz | 9:a156d3de5647 | 464 | |
hudakz | 11:647d53d146f1 | 465 | uipPacket = Enc28j60Eth::allocBlock(uip_len); |
hudakz | 9:a156d3de5647 | 466 | if (uipPacket != NOBLOCK) |
hudakz | 9:a156d3de5647 | 467 | { |
hudakz | 9:a156d3de5647 | 468 | #ifdef UIPETHERNET_DEBUG |
hudakz | 15:53715cc81c63 | 469 | printf("Enc28J60Network_send uip_buf (uip_len): %d, packet: %d\r\n", uip_len, uipPacket); |
hudakz | 9:a156d3de5647 | 470 | #endif |
hudakz | 11:647d53d146f1 | 471 | enc28j60Eth.writePacket(uipPacket, 0, uip_buf, uip_len); |
hudakz | 9:a156d3de5647 | 472 | goto sendandfree; |
hudakz | 9:a156d3de5647 | 473 | } |
hudakz | 9:a156d3de5647 | 474 | |
hudakz | 15:53715cc81c63 | 475 | #ifdef UIPETHERNET_DEBUG |
hudakz | 15:53715cc81c63 | 476 | printf("Enc28J60Network_send return false\r\n"); |
hudakz | 15:53715cc81c63 | 477 | #endif |
hudakz | 9:a156d3de5647 | 478 | return false; |
hudakz | 9:a156d3de5647 | 479 | sendandfree: |
hudakz | 11:647d53d146f1 | 480 | enc28j60Eth.sendPacket(uipPacket); |
hudakz | 11:647d53d146f1 | 481 | Enc28j60Eth::freeBlock(uipPacket); |
hudakz | 9:a156d3de5647 | 482 | uipPacket = NOBLOCK; |
hudakz | 9:a156d3de5647 | 483 | return true; |
hudakz | 9:a156d3de5647 | 484 | } |
hudakz | 9:a156d3de5647 | 485 | |
hudakz | 9:a156d3de5647 | 486 | /** |
hudakz | 9:a156d3de5647 | 487 | * @brief |
hudakz | 9:a156d3de5647 | 488 | * @note |
hudakz | 9:a156d3de5647 | 489 | * @param |
hudakz | 9:a156d3de5647 | 490 | * @retval |
hudakz | 9:a156d3de5647 | 491 | */ |
hudakz | 9:a156d3de5647 | 492 | void UipEthernet::init(const uint8_t* mac) |
hudakz | 9:a156d3de5647 | 493 | { |
hudakz | 9:a156d3de5647 | 494 | periodicTimer.start(); |
hudakz | 9:a156d3de5647 | 495 | |
hudakz | 11:647d53d146f1 | 496 | enc28j60Eth.init((uint8_t*)mac); |
hudakz | 9:a156d3de5647 | 497 | uip_seteth_addr(mac); |
hudakz | 9:a156d3de5647 | 498 | |
hudakz | 9:a156d3de5647 | 499 | uip_init(); |
hudakz | 9:a156d3de5647 | 500 | uip_arp_init(); |
hudakz | 9:a156d3de5647 | 501 | } |
hudakz | 9:a156d3de5647 | 502 | |
hudakz | 9:a156d3de5647 | 503 | /** |
hudakz | 9:a156d3de5647 | 504 | * @brief |
hudakz | 9:a156d3de5647 | 505 | * @note |
hudakz | 9:a156d3de5647 | 506 | * @param |
hudakz | 9:a156d3de5647 | 507 | * @retval |
hudakz | 9:a156d3de5647 | 508 | */ |
hudakz | 9:a156d3de5647 | 509 | //void UIPEthernet::configure(IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) |
hudakz | 9:a156d3de5647 | 510 | //{ |
hudakz | 9:a156d3de5647 | 511 | // uip_ipaddr_t ipaddr; |
hudakz | 9:a156d3de5647 | 512 | // uip_ip_addr(ipaddr, ip); |
hudakz | 9:a156d3de5647 | 513 | // uip_sethostaddr(ipaddr); |
hudakz | 9:a156d3de5647 | 514 | // uip_ip_addr(ipaddr, gateway); |
hudakz | 9:a156d3de5647 | 515 | // uip_setdraddr(ipaddr); |
hudakz | 9:a156d3de5647 | 516 | // uip_ip_addr(ipaddr, subnet); |
hudakz | 9:a156d3de5647 | 517 | // uip_setnetmask(ipaddr); |
hudakz | 9:a156d3de5647 | 518 | // dnsServerAddress = dns; |
hudakz | 9:a156d3de5647 | 519 | //} |
hudakz | 9:a156d3de5647 | 520 | |
hudakz | 9:a156d3de5647 | 521 | /** |
hudakz | 9:a156d3de5647 | 522 | * @brief |
hudakz | 9:a156d3de5647 | 523 | * @note |
hudakz | 9:a156d3de5647 | 524 | * @param |
hudakz | 9:a156d3de5647 | 525 | * @retval |
hudakz | 9:a156d3de5647 | 526 | */ |
hudakz | 9:a156d3de5647 | 527 | uint16_t UipEthernet::chksum(uint16_t sum, const uint8_t* data, uint16_t len) |
hudakz | 9:a156d3de5647 | 528 | { |
hudakz | 9:a156d3de5647 | 529 | uint16_t t; |
hudakz | 9:a156d3de5647 | 530 | const uint8_t* dataptr; |
hudakz | 9:a156d3de5647 | 531 | const uint8_t* last_byte; |
hudakz | 9:a156d3de5647 | 532 | |
hudakz | 9:a156d3de5647 | 533 | dataptr = data; |
hudakz | 9:a156d3de5647 | 534 | last_byte = data + len - 1; |
hudakz | 9:a156d3de5647 | 535 | |
hudakz | 9:a156d3de5647 | 536 | while (dataptr < last_byte) { |
hudakz | 9:a156d3de5647 | 537 | /* At least two more bytes */ |
hudakz | 9:a156d3de5647 | 538 | t = (dataptr[0] << 8) + dataptr[1]; |
hudakz | 9:a156d3de5647 | 539 | sum += t; |
hudakz | 9:a156d3de5647 | 540 | if (sum < t) { |
hudakz | 9:a156d3de5647 | 541 | sum++; /* carry */ |
hudakz | 9:a156d3de5647 | 542 | } |
hudakz | 9:a156d3de5647 | 543 | |
hudakz | 9:a156d3de5647 | 544 | dataptr += 2; |
hudakz | 9:a156d3de5647 | 545 | } |
hudakz | 9:a156d3de5647 | 546 | |
hudakz | 9:a156d3de5647 | 547 | if (dataptr == last_byte) { |
hudakz | 9:a156d3de5647 | 548 | t = (dataptr[0] << 8) + 0; |
hudakz | 9:a156d3de5647 | 549 | sum += t; |
hudakz | 9:a156d3de5647 | 550 | if (sum < t) { |
hudakz | 9:a156d3de5647 | 551 | sum++; /* carry */ |
hudakz | 9:a156d3de5647 | 552 | } |
hudakz | 9:a156d3de5647 | 553 | } |
hudakz | 9:a156d3de5647 | 554 | |
hudakz | 9:a156d3de5647 | 555 | /* Return sum in host byte order. */ |
hudakz | 9:a156d3de5647 | 556 | return sum; |
hudakz | 9:a156d3de5647 | 557 | } |
hudakz | 9:a156d3de5647 | 558 | |
hudakz | 9:a156d3de5647 | 559 | /** |
hudakz | 9:a156d3de5647 | 560 | * @brief |
hudakz | 9:a156d3de5647 | 561 | * @note |
hudakz | 9:a156d3de5647 | 562 | * @param |
hudakz | 9:a156d3de5647 | 563 | * @retval |
hudakz | 9:a156d3de5647 | 564 | */ |
hudakz | 9:a156d3de5647 | 565 | uint16_t UipEthernet::ipchksum() |
hudakz | 9:a156d3de5647 | 566 | { |
hudakz | 9:a156d3de5647 | 567 | uint16_t sum; |
hudakz | 9:a156d3de5647 | 568 | |
hudakz | 9:a156d3de5647 | 569 | sum = chksum(0, &uip_buf[UIP_LLH_LEN], UIP_IPH_LEN); |
hudakz | 9:a156d3de5647 | 570 | return(sum == 0) ? 0xffff : htons(sum); |
hudakz | 9:a156d3de5647 | 571 | } |
hudakz | 9:a156d3de5647 | 572 | |
hudakz | 9:a156d3de5647 | 573 | uint16_t |
hudakz | 9:a156d3de5647 | 574 | #if UIP_UDP |
hudakz | 9:a156d3de5647 | 575 | UipEthernet::upper_layer_chksum(uint8_t proto) |
hudakz | 9:a156d3de5647 | 576 | #else |
hudakz | 9:a156d3de5647 | 577 | uip_tcpchksum() |
hudakz | 9:a156d3de5647 | 578 | #endif |
hudakz | 9:a156d3de5647 | 579 | { |
hudakz | 9:a156d3de5647 | 580 | uint16_t upper_layer_len; |
hudakz | 9:a156d3de5647 | 581 | uint16_t sum; |
hudakz | 9:a156d3de5647 | 582 | |
hudakz | 9:a156d3de5647 | 583 | #if UIP_CONF_IPV6 |
hudakz | 9:a156d3de5647 | 584 | upper_layer_len = (((u16_t) (BUF->len[0]) << 8) + BUF->len[1]); |
hudakz | 9:a156d3de5647 | 585 | #else /* UIP_CONF_IPV6 */ |
hudakz | 9:a156d3de5647 | 586 | upper_layer_len = (((u16_t) (BUF->len[0]) << 8) + BUF->len[1]) - UIP_IPH_LEN; |
hudakz | 9:a156d3de5647 | 587 | #endif /* UIP_CONF_IPV6 */ |
hudakz | 9:a156d3de5647 | 588 | |
hudakz | 9:a156d3de5647 | 589 | /* First sum pseudoheader. */ |
hudakz | 9:a156d3de5647 | 590 | |
hudakz | 9:a156d3de5647 | 591 | /* IP protocol and length fields. This addition cannot carry. */ |
hudakz | 9:a156d3de5647 | 592 | #if UIP_UDP |
hudakz | 9:a156d3de5647 | 593 | sum = upper_layer_len + proto; |
hudakz | 9:a156d3de5647 | 594 | #else |
hudakz | 9:a156d3de5647 | 595 | sum = upper_layer_len + UIP_PROTO_TCP; |
hudakz | 9:a156d3de5647 | 596 | #endif |
hudakz | 9:a156d3de5647 | 597 | /* Sum IP source and destination addresses. */ |
hudakz | 9:a156d3de5647 | 598 | |
hudakz | 9:a156d3de5647 | 599 | sum = UipEthernet::chksum(sum, (u8_t*) &BUF->srcipaddr[0], 2 * sizeof(uip_ipaddr_t)); |
hudakz | 9:a156d3de5647 | 600 | |
hudakz | 9:a156d3de5647 | 601 | uint8_t upper_layer_memlen; |
hudakz | 9:a156d3de5647 | 602 | #if UIP_UDP |
hudakz | 9:a156d3de5647 | 603 | switch (proto) { |
hudakz | 9:a156d3de5647 | 604 | // case UIP_PROTO_ICMP: |
hudakz | 9:a156d3de5647 | 605 | // case UIP_PROTO_ICMP6: |
hudakz | 9:a156d3de5647 | 606 | // upper_layer_memlen = upper_layer_len; |
hudakz | 9:a156d3de5647 | 607 | // break; |
hudakz | 9:a156d3de5647 | 608 | case UIP_PROTO_UDP: |
hudakz | 9:a156d3de5647 | 609 | upper_layer_memlen = UIP_UDPH_LEN; |
hudakz | 9:a156d3de5647 | 610 | break; |
hudakz | 9:a156d3de5647 | 611 | |
hudakz | 9:a156d3de5647 | 612 | default: |
hudakz | 9:a156d3de5647 | 613 | // case UIP_PROTO_TCP: |
hudakz | 9:a156d3de5647 | 614 | #endif |
hudakz | 9:a156d3de5647 | 615 | upper_layer_memlen = (BUF->tcpoffset >> 4) << 2; |
hudakz | 9:a156d3de5647 | 616 | #if UIP_UDP |
hudakz | 9:a156d3de5647 | 617 | break; |
hudakz | 9:a156d3de5647 | 618 | } |
hudakz | 9:a156d3de5647 | 619 | #endif |
hudakz | 9:a156d3de5647 | 620 | sum = UipEthernet::chksum(sum, &uip_buf[UIP_IPH_LEN + UIP_LLH_LEN], upper_layer_memlen); |
hudakz | 9:a156d3de5647 | 621 | #ifdef UIPETHERNET_DEBUG_CHKSUM |
hudakz | 9:a156d3de5647 | 622 | printf |
hudakz | 9:a156d3de5647 | 623 | ( |
hudakz | 9:a156d3de5647 | 624 | "chksum uip_buf[%d-%d]: %d\r\n", UIP_IPH_LEN + |
hudakz | 9:a156d3de5647 | 625 | UIP_LLH_LEN, UIP_IPH_LEN + |
hudakz | 9:a156d3de5647 | 626 | UIP_LLH_LEN + |
hudakz | 9:a156d3de5647 | 627 | upper_layer_memlen, htons(sum) |
hudakz | 9:a156d3de5647 | 628 | ); |
hudakz | 9:a156d3de5647 | 629 | #endif |
hudakz | 9:a156d3de5647 | 630 | if (upper_layer_memlen < upper_layer_len) { |
hudakz | 11:647d53d146f1 | 631 | sum = enc28j60Eth.chksum |
hudakz | 9:a156d3de5647 | 632 | ( |
hudakz | 9:a156d3de5647 | 633 | sum, UipEthernet::uipPacket, UIP_IPH_LEN + |
hudakz | 9:a156d3de5647 | 634 | UIP_LLH_LEN + |
hudakz | 9:a156d3de5647 | 635 | upper_layer_memlen, upper_layer_len - |
hudakz | 9:a156d3de5647 | 636 | upper_layer_memlen |
hudakz | 9:a156d3de5647 | 637 | ); |
hudakz | 9:a156d3de5647 | 638 | #ifdef UIPETHERNET_DEBUG_CHKSUM |
hudakz | 9:a156d3de5647 | 639 | printf |
hudakz | 9:a156d3de5647 | 640 | ( |
hudakz | 15:53715cc81c63 | 641 | "chksum uipPacket(%d)[%d-%d]: %d\r\n", uipPacket, UIP_IPH_LEN + |
hudakz | 9:a156d3de5647 | 642 | UIP_LLH_LEN + |
hudakz | 9:a156d3de5647 | 643 | upper_layer_memlen, UIP_IPH_LEN + |
hudakz | 9:a156d3de5647 | 644 | UIP_LLH_LEN + |
hudakz | 9:a156d3de5647 | 645 | upper_layer_len, htons(sum) |
hudakz | 9:a156d3de5647 | 646 | ); |
hudakz | 9:a156d3de5647 | 647 | #endif |
hudakz | 9:a156d3de5647 | 648 | } |
hudakz | 9:a156d3de5647 | 649 | return(sum == 0) ? 0xffff : htons(sum); |
hudakz | 9:a156d3de5647 | 650 | } |
hudakz | 9:a156d3de5647 | 651 | |
hudakz | 9:a156d3de5647 | 652 | /** |
hudakz | 9:a156d3de5647 | 653 | * @brief |
hudakz | 9:a156d3de5647 | 654 | * @note |
hudakz | 9:a156d3de5647 | 655 | * @param |
hudakz | 9:a156d3de5647 | 656 | * @retval |
hudakz | 9:a156d3de5647 | 657 | */ |
hudakz | 9:a156d3de5647 | 658 | uint16_t uip_ipchksum() |
hudakz | 9:a156d3de5647 | 659 | { |
hudakz | 9:a156d3de5647 | 660 | return UipEthernet::ethernet->ipchksum(); |
hudakz | 9:a156d3de5647 | 661 | } |
hudakz | 9:a156d3de5647 | 662 | |
hudakz | 9:a156d3de5647 | 663 | #if UIP_UDP |
hudakz | 9:a156d3de5647 | 664 | |
hudakz | 9:a156d3de5647 | 665 | /** |
hudakz | 9:a156d3de5647 | 666 | * @brief |
hudakz | 9:a156d3de5647 | 667 | * @note |
hudakz | 9:a156d3de5647 | 668 | * @param |
hudakz | 9:a156d3de5647 | 669 | * @retval |
hudakz | 9:a156d3de5647 | 670 | */ |
hudakz | 9:a156d3de5647 | 671 | uint16_t uip_tcpchksum() |
hudakz | 9:a156d3de5647 | 672 | { |
hudakz | 9:a156d3de5647 | 673 | uint16_t sum = UipEthernet::ethernet->upper_layer_chksum(UIP_PROTO_TCP); |
hudakz | 9:a156d3de5647 | 674 | |
hudakz | 9:a156d3de5647 | 675 | return sum; |
hudakz | 9:a156d3de5647 | 676 | } |
hudakz | 9:a156d3de5647 | 677 | |
hudakz | 9:a156d3de5647 | 678 | /** |
hudakz | 9:a156d3de5647 | 679 | * @brief |
hudakz | 9:a156d3de5647 | 680 | * @note |
hudakz | 9:a156d3de5647 | 681 | * @param |
hudakz | 9:a156d3de5647 | 682 | * @retval |
hudakz | 9:a156d3de5647 | 683 | */ |
hudakz | 9:a156d3de5647 | 684 | uint16_t uip_udpchksum() |
hudakz | 9:a156d3de5647 | 685 | { |
hudakz | 9:a156d3de5647 | 686 | uint16_t sum = UipEthernet::ethernet->upper_layer_chksum(UIP_PROTO_UDP); |
hudakz | 9:a156d3de5647 | 687 | |
hudakz | 9:a156d3de5647 | 688 | return sum; |
hudakz | 9:a156d3de5647 | 689 | } |
hudakz | 11:647d53d146f1 | 690 | |
hudakz | 9:a156d3de5647 | 691 | #endif |