Ethernet lib: tentative set manual IP,subnet,gateway

Author: leonardocavagnis

libraries/SocketWrapper/Ethernet.cpp

@@ -30,9 +30,17 @@ int EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress ga
 }
 
 int EthernetClass::begin(uint8_t *mac, IPAddress ip, IPAddress dns, IPAddress gateway, IPAddress subnet, unsigned long timeout, unsigned long responseTimeout) {
-    // TODO: Config the network interface with the provided IP, DNS, gateway, and subnet
+    setMACAddress(mac);
+
+    if (!NetworkInterface::setLocalIP(ip, subnet, gateway)) {
+        return 0;
+    }
+
+    if (!net_if_is_up(netif)) {
+        net_if_up(netif);
+    }
 
-    return begin(mac, timeout, responseTimeout);
+    return 1;
 }
 
 EthernetLinkStatus EthernetClass::linkStatus() {

libraries/SocketWrapper/Ethernet.h

@@ -21,7 +21,7 @@ class EthernetClass: public NetworkInterface
 	EthernetClass() {}
 	virtual ~EthernetClass() {}
 
-    int begin(uint8_t *mac, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
+    int begin(uint8_t *mac = nullptr, unsigned long timeout = 60000, unsigned long responseTimeout = 4000);
 	int maintain();
 	EthernetLinkStatus linkStatus();
 	EthernetHardwareStatus hardwareStatus();

libraries/SocketWrapper/SocketHelpers.cpp

@@ -152,3 +152,25 @@ int NetworkInterface::begin(bool blocking, uint32_t additional_event_mask) {
 bool NetworkInterface::disconnect() {
     return (net_if_down(netif) == 0);
 }
+
+bool NetworkInterface::setLocalIP(IPAddress ip, IPAddress subnet, IPAddress gateway) {
+    struct in_addr ip_addr, subnet_addr, gw_addr;
+    
+    ip_addr.s_addr = ip;
+    subnet_addr.s_addr = subnet;
+    gw_addr.s_addr = gateway;
+
+    if (!net_if_ipv4_addr_add(netif, &ip_addr, NET_ADDR_MANUAL, 0)) {
+        LOG_ERR("Failed to set static IP address");
+        return false;
+    }
+
+    if (!net_if_ipv4_set_netmask_by_addr(netif, &ip_addr, &subnet_addr)) {
+        LOG_ERR("Failed to set subnet mask");
+        return false;
+    }
+
+    net_if_ipv4_set_gw(netif, &gw_addr);
+    LOG_INF("Static IP configured");
+    return true;
+}

libraries/SocketWrapper/SocketHelpers.h

@@ -52,6 +52,7 @@ class NetworkInterface {
         IPAddress dnsIP(int n = 0);
 
         void setMACAddress(const uint8_t* mac);
+        bool setLocalIP(IPAddress ip, IPAddress subnet, IPAddress gateway);
 
         int begin(bool blocking = true, uint32_t additional_event_mask = 0);