arduino stuffs
Diffstat (limited to 'libraries/Ethernet/src/Ethernet.cpp')
| -rw-r--r-- | libraries/Ethernet/src/Ethernet.cpp | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/libraries/Ethernet/src/Ethernet.cpp b/libraries/Ethernet/src/Ethernet.cpp new file mode 100644 index 0000000..658bd64 --- /dev/null +++ b/libraries/Ethernet/src/Ethernet.cpp @@ -0,0 +1,242 @@ +/* Copyright 2018 Paul Stoffregen + * + * 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 <Arduino.h> +#include "Ethernet.h" +#include "utility/w5100.h" +#include "Dhcp.h" + +IPAddress EthernetClass::_dnsServerAddress; +DhcpClass* EthernetClass::_dhcp = NULL; + +int EthernetClass::begin(uint8_t *mac, unsigned long timeout, unsigned long responseTimeout) +{ + static DhcpClass s_dhcp; + _dhcp = &s_dhcp; + + // Initialise the basic info + if (W5100.init() == 0) return 0; + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setMACAddress(mac); + W5100.setIPAddress(IPAddress(0,0,0,0).raw_address()); + SPI.endTransaction(); + + // Now try to get our config info from a DHCP server + int ret = _dhcp->beginWithDHCP(mac, timeout, responseTimeout); + if (ret == 1) { + // We've successfully found a DHCP server and got our configuration + // info, so set things accordingly + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setIPAddress(_dhcp->getLocalIp().raw_address()); + W5100.setGatewayIp(_dhcp->getGatewayIp().raw_address()); + W5100.setSubnetMask(_dhcp->getSubnetMask().raw_address()); + SPI.endTransaction(); + _dnsServerAddress = _dhcp->getDnsServerIp(); + socketPortRand(micros()); + } + return ret; +} + +void EthernetClass::begin(uint8_t *mac, IPAddress ip) +{ + // Assume the DNS server will be the machine on the same network as the local IP + // but with last octet being '1' + IPAddress dns = ip; + dns[3] = 1; + begin(mac, ip, dns); +} + +void EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns) +{ + // Assume the gateway will be the machine on the same network as the local IP + // but with last octet being '1' + IPAddress gateway = ip; + gateway[3] = 1; + begin(mac, ip, dns, gateway); +} + +void EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway) +{ + IPAddress subnet(255, 255, 255, 0); + begin(mac, ip, dns, gateway, subnet); +} + +void EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) +{ + if (W5100.init() == 0) return; + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setMACAddress(mac); +#if ARDUINO > 106 || TEENSYDUINO > 121 + W5100.setIPAddress(ip._address.bytes); + W5100.setGatewayIp(gateway._address.bytes); + W5100.setSubnetMask(subnet._address.bytes); +#else + W5100.setIPAddress(ip._address); + W5100.setGatewayIp(gateway._address); + W5100.setSubnetMask(subnet._address); +#endif + SPI.endTransaction(); + _dnsServerAddress = dns; +} + +void EthernetClass::init(uint8_t sspin) +{ + W5100.setSS(sspin); +} + +EthernetLinkStatus EthernetClass::linkStatus() +{ + switch (W5100.getLinkStatus()) { + case UNKNOWN: return Unknown; + case LINK_ON: return LinkON; + case LINK_OFF: return LinkOFF; + default: return Unknown; + } +} + +EthernetHardwareStatus EthernetClass::hardwareStatus() +{ + switch (W5100.getChip()) { + case 51: return EthernetW5100; + case 52: return EthernetW5200; + case 55: return EthernetW5500; + default: return EthernetNoHardware; + } +} + +int EthernetClass::maintain() +{ + int rc = DHCP_CHECK_NONE; + if (_dhcp != NULL) { + // we have a pointer to dhcp, use it + rc = _dhcp->checkLease(); + switch (rc) { + case DHCP_CHECK_NONE: + //nothing done + break; + case DHCP_CHECK_RENEW_OK: + case DHCP_CHECK_REBIND_OK: + //we might have got a new IP. + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setIPAddress(_dhcp->getLocalIp().raw_address()); + W5100.setGatewayIp(_dhcp->getGatewayIp().raw_address()); + W5100.setSubnetMask(_dhcp->getSubnetMask().raw_address()); + SPI.endTransaction(); + _dnsServerAddress = _dhcp->getDnsServerIp(); + break; + default: + //this is actually an error, it will retry though + break; + } + } + return rc; +} + + +void EthernetClass::MACAddress(uint8_t *mac_address) +{ + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.getMACAddress(mac_address); + SPI.endTransaction(); +} + +IPAddress EthernetClass::localIP() +{ + IPAddress ret; + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.getIPAddress(ret.raw_address()); + SPI.endTransaction(); + return ret; +} + +IPAddress EthernetClass::subnetMask() +{ + IPAddress ret; + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.getSubnetMask(ret.raw_address()); + SPI.endTransaction(); + return ret; +} + +IPAddress EthernetClass::gatewayIP() +{ + IPAddress ret; + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.getGatewayIp(ret.raw_address()); + SPI.endTransaction(); + return ret; +} + +void EthernetClass::setMACAddress(const uint8_t *mac_address) +{ + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setMACAddress(mac_address); + SPI.endTransaction(); +} + +void EthernetClass::setLocalIP(const IPAddress local_ip) +{ + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + IPAddress ip = local_ip; + W5100.setIPAddress(ip.raw_address()); + SPI.endTransaction(); +} + +void EthernetClass::setSubnetMask(const IPAddress subnet) +{ + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + IPAddress ip = subnet; + W5100.setSubnetMask(ip.raw_address()); + SPI.endTransaction(); +} + +void EthernetClass::setGatewayIP(const IPAddress gateway) +{ + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + IPAddress ip = gateway; + W5100.setGatewayIp(ip.raw_address()); + SPI.endTransaction(); +} + +void EthernetClass::setRetransmissionTimeout(uint16_t milliseconds) +{ + if (milliseconds > 6553) milliseconds = 6553; + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setRetransmissionTime(milliseconds * 10); + SPI.endTransaction(); +} + +void EthernetClass::setRetransmissionCount(uint8_t num) +{ + SPI.beginTransaction(SPI_ETHERNET_SETTINGS); + W5100.setRetransmissionCount(num); + SPI.endTransaction(); +} + + + + + + + + + + +EthernetClass Ethernet; |