rohan gala / WIZnet_Library

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500, W5200 and W5100. One of them can be selected by enabling it in wiznet.h.

Dependents:   bigthingRecfinal

Fork of WIZnet_Library by WIZnet

WIZnetInterface/WIZnetInterface.cpp@0:b72d22e10709, 2014-05-08 (annotated)

Committer:
jbkim
Date:
Thu May 08 03:57:58 2014 +0000
Revision:
0:b72d22e10709
Child:
1:8138a268fbd2
1st commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jbkim 0:b72d22e10709 1 /* Copyright (C) 2012 mbed.org, MIT License
jbkim 0:b72d22e10709 2 *
jbkim 0:b72d22e10709 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jbkim 0:b72d22e10709 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jbkim 0:b72d22e10709 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jbkim 0:b72d22e10709 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jbkim 0:b72d22e10709 7 * furnished to do so, subject to the following conditions:
jbkim 0:b72d22e10709 8 *
jbkim 0:b72d22e10709 9 * The above copyright notice and this permission notice shall be included in all copies or
jbkim 0:b72d22e10709 10 * substantial portions of the Software.
jbkim 0:b72d22e10709 11 *
jbkim 0:b72d22e10709 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jbkim 0:b72d22e10709 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jbkim 0:b72d22e10709 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jbkim 0:b72d22e10709 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jbkim 0:b72d22e10709 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jbkim 0:b72d22e10709 17 */
jbkim 0:b72d22e10709 18
jbkim 0:b72d22e10709 19 #include "WIZnetInterface.h"
jbkim 0:b72d22e10709 20 #include "DHCPClient.h"
jbkim 0:b72d22e10709 21
jbkim 0:b72d22e10709 22 WIZnetInterface::WIZnetInterface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset) :
jbkim 0:b72d22e10709 23 WIZnet_Chip(mosi, miso, sclk, cs, reset)
jbkim 0:b72d22e10709 24 {
jbkim 0:b72d22e10709 25 ip_set = false;
jbkim 0:b72d22e10709 26 }
jbkim 0:b72d22e10709 27
jbkim 0:b72d22e10709 28 WIZnetInterface::WIZnetInterface(SPI* spi, PinName cs, PinName reset) :
jbkim 0:b72d22e10709 29 WIZnet_Chip(spi, cs, reset)
jbkim 0:b72d22e10709 30 {
jbkim 0:b72d22e10709 31 ip_set = false;
jbkim 0:b72d22e10709 32 }
jbkim 0:b72d22e10709 33
jbkim 0:b72d22e10709 34 int WIZnetInterface::init()
jbkim 0:b72d22e10709 35 {
jbkim 0:b72d22e10709 36 dhcp = true;
jbkim 0:b72d22e10709 37 reset();
jbkim 0:b72d22e10709 38 return 0;
jbkim 0:b72d22e10709 39 }
jbkim 0:b72d22e10709 40
jbkim 0:b72d22e10709 41 int WIZnetInterface::init(const char* ip, const char* mask, const char* gateway)
jbkim 0:b72d22e10709 42 {
jbkim 0:b72d22e10709 43 dhcp = false;
jbkim 0:b72d22e10709 44 this->ip = str_to_ip(ip);
jbkim 0:b72d22e10709 45 strcpy(ip_string, ip);
jbkim 0:b72d22e10709 46 ip_set = true;
jbkim 0:b72d22e10709 47 this->netmask = str_to_ip(mask);
jbkim 0:b72d22e10709 48 this->gateway = str_to_ip(gateway);
jbkim 0:b72d22e10709 49 reset();
jbkim 0:b72d22e10709 50 return 0;
jbkim 0:b72d22e10709 51 }
jbkim 0:b72d22e10709 52
jbkim 0:b72d22e10709 53 // Connect Bring the interface up, start DHCP if needed.
jbkim 0:b72d22e10709 54 int WIZnetInterface::connect()
jbkim 0:b72d22e10709 55 {
jbkim 0:b72d22e10709 56 if (dhcp) {
jbkim 0:b72d22e10709 57 int r = IPrenew();
jbkim 0:b72d22e10709 58 if (r < 0) {
jbkim 0:b72d22e10709 59 return r;
jbkim 0:b72d22e10709 60 }
jbkim 0:b72d22e10709 61 }
jbkim 0:b72d22e10709 62
jbkim 0:b72d22e10709 63 if (WIZnet_Chip::setip() == false) return -1;
jbkim 0:b72d22e10709 64 return 0;
jbkim 0:b72d22e10709 65 }
jbkim 0:b72d22e10709 66
jbkim 0:b72d22e10709 67 // Disconnect Bring the interface down.
jbkim 0:b72d22e10709 68 int WIZnetInterface::disconnect()
jbkim 0:b72d22e10709 69 {
jbkim 0:b72d22e10709 70 if (WIZnet_Chip::disconnect() == false) return -1;
jbkim 0:b72d22e10709 71 return 0;
jbkim 0:b72d22e10709 72 }
jbkim 0:b72d22e10709 73
jbkim 0:b72d22e10709 74 char* WIZnetInterface::getIPAddress()
jbkim 0:b72d22e10709 75 {
jbkim 0:b72d22e10709 76 uint32_t ip = reg_rd<uint32_t>(SIPR);
jbkim 0:b72d22e10709 77 snprintf(ip_string, sizeof(ip_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
jbkim 0:b72d22e10709 78 return ip_string;
jbkim 0:b72d22e10709 79 }
jbkim 0:b72d22e10709 80
jbkim 0:b72d22e10709 81 char* WIZnetInterface::getNetworkMask()
jbkim 0:b72d22e10709 82 {
jbkim 0:b72d22e10709 83 uint32_t ip = reg_rd<uint32_t>(SUBR);
jbkim 0:b72d22e10709 84 snprintf(mask_string, sizeof(mask_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
jbkim 0:b72d22e10709 85 return mask_string;
jbkim 0:b72d22e10709 86 }
jbkim 0:b72d22e10709 87
jbkim 0:b72d22e10709 88 char* WIZnetInterface::getGateway()
jbkim 0:b72d22e10709 89 {
jbkim 0:b72d22e10709 90 uint32_t ip = reg_rd<uint32_t>(GAR);
jbkim 0:b72d22e10709 91 snprintf(gw_string, sizeof(gw_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
jbkim 0:b72d22e10709 92 return gw_string;
jbkim 0:b72d22e10709 93 }
jbkim 0:b72d22e10709 94
jbkim 0:b72d22e10709 95 char* WIZnetInterface::getMACAddress()
jbkim 0:b72d22e10709 96 {
jbkim 0:b72d22e10709 97 uint8_t mac[6];
jbkim 0:b72d22e10709 98 reg_rd_mac(SHAR, mac);
jbkim 0:b72d22e10709 99 snprintf(mac_string, sizeof(mac_string), "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
jbkim 0:b72d22e10709 100 return mac_string;
jbkim 0:b72d22e10709 101 }
jbkim 0:b72d22e10709 102
jbkim 0:b72d22e10709 103 int WIZnetInterface::IPrenew(int timeout_ms)
jbkim 0:b72d22e10709 104 {
jbkim 0:b72d22e10709 105 DHCPClient dhcp;
jbkim 0:b72d22e10709 106 int err = dhcp.setup(timeout_ms);
jbkim 0:b72d22e10709 107 if (err == (-1)) {
jbkim 0:b72d22e10709 108 return -1;
jbkim 0:b72d22e10709 109 }
jbkim 0:b72d22e10709 110 // printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
jbkim 0:b72d22e10709 111 ip = (dhcp.yiaddr[0] <<24) | (dhcp.yiaddr[1] <<16) | (dhcp.yiaddr[2] <<8) | dhcp.yiaddr[3];
jbkim 0:b72d22e10709 112 gateway = (dhcp.gateway[0]<<24) | (dhcp.gateway[1]<<16) | (dhcp.gateway[2]<<8) | dhcp.gateway[3];
jbkim 0:b72d22e10709 113 netmask = (dhcp.netmask[0]<<24) | (dhcp.netmask[1]<<16) | (dhcp.netmask[2]<<8) | dhcp.netmask[3];
jbkim 0:b72d22e10709 114 dnsaddr = (dhcp.dnsaddr[0]<<24) | (dhcp.dnsaddr[1]<<16) | (dhcp.dnsaddr[2]<<8) | dhcp.dnsaddr[3];
jbkim 0:b72d22e10709 115 return 0;
jbkim 0:b72d22e10709 116 }