warning cleanup: fix SocketHelpers argument types

- expect a 'const char*' for netmask (caused issues with string literals)
- use a 'uint64_t' for additional_event_mask, as the extra bits are used
  by Zephyr.

Signed-off-by: Luca Burelli <l.burelli@arduino.cc>

Author: pillo79

libraries/SocketWrapper/SocketHelpers.cpp

@@ -64,7 +64,7 @@ int NetworkInterface::dhcp() {
 	return 0;
 }
 
-void NetworkInterface::enable_dhcpv4_server(struct net_if *netif, char *_netmask) {
+void NetworkInterface::enable_dhcpv4_server(struct net_if *netif, const char *_netmask) {
 	static struct in_addr addr;
 	static struct in_addr netmaskAddr;
 
@@ -146,7 +146,7 @@ void NetworkInterface::setMACAddress(const uint8_t *mac) {
 	net_if_up(netif); // Bring the interface back up after changing the MAC address
 }
 
-int NetworkInterface::begin(bool blocking, uint32_t additional_event_mask) {
+int NetworkInterface::begin(bool blocking, uint64_t additional_event_mask) {
 	dhcp();
 	int ret = net_mgmt_event_wait_on_iface(netif, NET_EVENT_IPV4_ADDR_ADD | additional_event_mask,
 										   NULL, NULL, NULL, blocking ? K_FOREVER : K_SECONDS(1));

libraries/SocketWrapper/SocketHelpers.h

@@ -34,7 +34,7 @@ class NetworkInterface {
 protected:
 	struct net_if *netif = nullptr;
 	int dhcp();
-	void enable_dhcpv4_server(struct net_if *netif, char *_netmask = "255.255.255.0");
+	void enable_dhcpv4_server(struct net_if *netif, const char *_netmask = "255.255.255.0");
 
 public:
 	NetworkInterface() {
@@ -57,7 +57,7 @@ class NetworkInterface {
 	void setGatewayIP(const IPAddress gateway);
 	void setDnsServerIP(const IPAddress dns_server);
 
-	int begin(bool blocking = true, uint32_t additional_event_mask = 0);
+	int begin(bool blocking = true, uint64_t additional_event_mask = 0);
 
 	bool disconnect();
 };