Add support for Static Network configuration

Author: manchoz

libraries/Ethernet/src/Ethernet.cpp

@@ -30,9 +30,37 @@ int arduino::EthernetClass::begin(uint8_t *mac, unsigned long timeout, unsigned
     return (linkStatus() == LinkON ? 1 : 0);
 }
 
-int arduino::EthernetClass::begin() {
+int arduino::EthernetClass::begin(uint8_t *mac, IPAddress ip) {
+    IPAddress dns = ip;
+	dns[3] = 1;
+
+    auto ret = begin(ip, dns);
+    return ret;
+}
+
+int arduino::EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns) {
+    IPAddress gateway = ip;
+	gateway[3] = 1;
+    
+    auto ret = begin(ip, dns, gateway);
+    return ret;
+}
+
+int arduino::EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway) {
+    IPAddress subnet(255, 255, 255, 0);
+    auto ret = begin(ip, dns, gateway, subnet);
+    return ret;
+}
+
+int arduino::EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) {
+    config(ip, dns, gateway, subnet);
+
+    eth_if->set_dhcp(false);
     eth_if->set_network(_ip, _netmask, _gateway);
-    eth_if->connect();
+    eth_if->add_dns_server(_dnsServer1, nullptr);
+
+    auto ret = begin(mac);
+    return ret;
 }
 
 void arduino::EthernetClass::end() {

libraries/Ethernet/src/Ethernet.h

@@ -57,21 +57,20 @@ class EthernetClass {
 
     EthernetClass(voidPrtFuncPtr _cb) : _initializerCallback(_cb) {};
 
-    int begin(uint8_t *mac, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
-    int begin();
-	int maintain();
+    int begin(uint8_t *mac = nullptr, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
 	EthernetLinkStatus linkStatus();
 	EthernetHardwareStatus hardwareStatus();
 
-	// Manaul configuration
-	int begin(uint8_t *mac, IPAddress ip) {}
-	int begin(uint8_t *mac, IPAddress ip, IPAddress dns) {}
-	int begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway) {}
-	int begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) {}
-	// void begin(uint8_t *mac, IPAddress ip) {}
-	// void begin(uint8_t *mac, IPAddress ip, IPAddress dns) {}
-	// void begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway) {}
-	// void begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) {}
+	// Manual configuration
+	int begin(uint8_t *mac, IPAddress ip);
+	int begin(uint8_t *mac, IPAddress ip, IPAddress dns);
+	int begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway);
+	int begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet);
+
+	int begin(IPAddress ip) { return begin(nullptr, ip); }
+	int begin(IPAddress ip, IPAddress dns) { return begin(nullptr, ip, dns); }
+	int begin(IPAddress ip, IPAddress dns, IPAddress gateway) { return begin(nullptr, ip, dns, gateway); }
+	int begin(IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet) {return begin(nullptr, ip, dns, gateway, subnet); }
 	void init(uint8_t sspin = 10);
 
 	void MACAddress(uint8_t *mac_address);