WiFiServer - added end(), begin(port) and ctor without parameters

docs/api.md

@@ -2778,12 +2778,12 @@ Tells the server to begin listening for incoming connections.
 
 ```
 server.begin()
-
+server.begin(port)
 ```
 
 #### Parameters
 
-- None
+- port (optional): the port to listen on (int)
 
 #### Returns
 

src/WiFiServer.cpp

@@ -29,6 +29,13 @@ extern "C" {
 #include "WiFiClient.h"
 #include "WiFiServer.h"
 
+WiFiServer::WiFiServer() :
+  _sock(NO_SOCKET_AVAIL),
+  _lastSock(NO_SOCKET_AVAIL)
+{
+    _port = 80;
+}
+
 WiFiServer::WiFiServer(uint16_t port) :
   _sock(NO_SOCKET_AVAIL),
   _lastSock(NO_SOCKET_AVAIL)
@@ -38,13 +45,30 @@ WiFiServer::WiFiServer(uint16_t port) :
 
 void WiFiServer::begin()
 {
+    end();
     _sock = ServerDrv::getSocket();
     if (_sock != NO_SOCKET_AVAIL)
     {
         ServerDrv::startServer(_port, _sock);
     }
 }
 
+void WiFiServer::begin(uint16_t port)
+{
+    end();
+    _port = port;
+    begin();
+}
+
+void WiFiServer::end()
+{
+    if (_sock != NO_SOCKET_AVAIL) {
+      ServerDrv::stopServer(_sock);
+      _sock = NO_SOCKET_AVAIL;
+      _lastSock = NO_SOCKET_AVAIL;
+    }
+}
+
 WiFiClient WiFiServer::available(byte* status)
 {
     int sock = NO_SOCKET_AVAIL;

src/WiFiServer.h

@@ -36,10 +36,13 @@ class WiFiServer : public Server {
   uint16_t _port;
   void*     pcb;
 public:
+  WiFiServer();
   WiFiServer(uint16_t);
   WiFiClient available(uint8_t* status = NULL);
   WiFiClient accept();
   void begin();
+  void begin(uint16_t port);
+  void end();
   virtual size_t write(uint8_t);
   virtual size_t write(const uint8_t *buf, size_t size);
   uint8_t status();

src/utility/server_drv.cpp

@@ -84,6 +84,28 @@ void ServerDrv::startServer(uint32_t ipAddress, uint16_t port, uint8_t sock, uin
     SpiDrv::spiSlaveDeselect();
 }
 
+void ServerDrv::stopServer(uint8_t sock)
+{
+    WAIT_FOR_SLAVE_SELECT();
+    // Send Command
+    SpiDrv::sendCmd(STOP_SERVER_TCP_CMD, PARAM_NUMS_1);
+    SpiDrv::sendParam(&sock, 1, LAST_PARAM);
+
+    SpiDrv::spiSlaveDeselect();
+    //Wait the reply elaboration
+    SpiDrv::waitForSlaveReady();
+    SpiDrv::spiSlaveSelect();
+
+    // Wait for reply
+    uint8_t _data = 0;
+    uint8_t _dataLen = 0;
+    if (!SpiDrv::waitResponseCmd(STOP_SERVER_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))
+    {
+        WARN("error waitResponse");
+    }
+    SpiDrv::spiSlaveDeselect();
+}
+
 // Start server TCP on port specified
 void ServerDrv::startClient(uint32_t ipAddress, uint16_t port, uint8_t sock, uint8_t protMode)
 {

src/utility/server_drv.h

@@ -35,6 +35,8 @@ class ServerDrv
 
     static void startServer(uint32_t ipAddress, uint16_t port, uint8_t sock, uint8_t protMode=TCP_MODE);
 
+    static void stopServer(uint8_t sock);
+
     static void startClient(uint32_t ipAddress, uint16_t port, uint8_t sock, uint8_t protMode=TCP_MODE);
 
     static void startClient(const char* host, uint8_t host_len, uint32_t ipAddress, uint16_t port, uint8_t sock, uint8_t protMode=TCP_MODE);

src/utility/wifi_spi.h

@@ -83,7 +83,7 @@ enum {
     GET_HOST_BY_NAME_CMD     = 0x35,
     START_SCAN_NETWORKS      = 0x36,
     GET_FW_VERSION_CMD       = 0x37,
-//    GET_TEST_CMD             = 0x38,
+    STOP_SERVER_TCP_CMD      = 0x38,
     SEND_DATA_UDP_CMD        = 0x39,
     GET_REMOTE_DATA_CMD      = 0x3A,
     GET_TIME_CMD             = 0x3B,