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.
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Diff: WIZnetInterface/WIZnetInterface.cpp
- Revision:
- 0:b72d22e10709
- Child:
- 1:8138a268fbd2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WIZnetInterface/WIZnetInterface.cpp Thu May 08 03:57:58 2014 +0000 @@ -0,0 +1,116 @@ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "WIZnetInterface.h" +#include "DHCPClient.h" + +WIZnetInterface::WIZnetInterface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset) : + WIZnet_Chip(mosi, miso, sclk, cs, reset) +{ + ip_set = false; +} + +WIZnetInterface::WIZnetInterface(SPI* spi, PinName cs, PinName reset) : + WIZnet_Chip(spi, cs, reset) +{ + ip_set = false; +} + +int WIZnetInterface::init() +{ + dhcp = true; + reset(); + return 0; +} + +int WIZnetInterface::init(const char* ip, const char* mask, const char* gateway) +{ + dhcp = false; + this->ip = str_to_ip(ip); + strcpy(ip_string, ip); + ip_set = true; + this->netmask = str_to_ip(mask); + this->gateway = str_to_ip(gateway); + reset(); + return 0; +} + +// Connect Bring the interface up, start DHCP if needed. +int WIZnetInterface::connect() +{ + if (dhcp) { + int r = IPrenew(); + if (r < 0) { + return r; + } + } + + if (WIZnet_Chip::setip() == false) return -1; + return 0; +} + +// Disconnect Bring the interface down. +int WIZnetInterface::disconnect() +{ + if (WIZnet_Chip::disconnect() == false) return -1; + return 0; +} + +char* WIZnetInterface::getIPAddress() +{ + uint32_t ip = reg_rd<uint32_t>(SIPR); + snprintf(ip_string, sizeof(ip_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff); + return ip_string; +} + +char* WIZnetInterface::getNetworkMask() +{ + uint32_t ip = reg_rd<uint32_t>(SUBR); + snprintf(mask_string, sizeof(mask_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff); + return mask_string; +} + +char* WIZnetInterface::getGateway() +{ + uint32_t ip = reg_rd<uint32_t>(GAR); + snprintf(gw_string, sizeof(gw_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff); + return gw_string; +} + +char* WIZnetInterface::getMACAddress() +{ + uint8_t mac[6]; + reg_rd_mac(SHAR, mac); + snprintf(mac_string, sizeof(mac_string), "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); + return mac_string; +} + +int WIZnetInterface::IPrenew(int timeout_ms) +{ + DHCPClient dhcp; + int err = dhcp.setup(timeout_ms); + if (err == (-1)) { + return -1; + } +// printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]); + ip = (dhcp.yiaddr[0] <<24) | (dhcp.yiaddr[1] <<16) | (dhcp.yiaddr[2] <<8) | dhcp.yiaddr[3]; + gateway = (dhcp.gateway[0]<<24) | (dhcp.gateway[1]<<16) | (dhcp.gateway[2]<<8) | dhcp.gateway[3]; + netmask = (dhcp.netmask[0]<<24) | (dhcp.netmask[1]<<16) | (dhcp.netmask[2]<<8) | dhcp.netmask[3]; + dnsaddr = (dhcp.dnsaddr[0]<<24) | (dhcp.dnsaddr[1]<<16) | (dhcp.dnsaddr[2]<<8) | dhcp.dnsaddr[3]; + return 0; +}