Fix typos

Thanks codespell

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

examples/AdvancedChatServer/AdvancedChatServer.ino

@@ -103,7 +103,7 @@ void loop() {
   }
   for (byte i = 0; i < 4; i++) {
     if (!(clients[i].connected())) {
-      // client.stop() invalidates the internal socket-descriptor, so next use of == will allways return false;
+      // client.stop() invalidates the internal socket-descriptor, so next use of == will always return false;
       clients[i].stop();
     }
   }

examples/BarometricPressureWebServer/BarometricPressureWebServer.ino

@@ -62,7 +62,7 @@ void setup() {
   Ethernet.begin(ip);
   server.begin();
 
-  // initalize the  data ready and chip select pins:
+  // initialize the  data ready and chip select pins:
   pinMode(dataReadyPin, INPUT);
   pinMode(chipSelectPin, OUTPUT);
 

examples/WebClient/WebClient.ino

@@ -42,7 +42,7 @@ void setup() {
   // start the Ethernet connection:
   if (Ethernet.begin() == 0) {
     Serial.println("Failed to configure Ethernet using DHCP");
-    // try to congifure using IP address instead of DHCP:
+    // try to configure using IP address instead of DHCP:
     Ethernet.begin(ip);
   }
   // give the Ethernet shield a second to initialize:

src/utility/ethernetif.cpp

@@ -239,7 +239,7 @@ static void low_level_init(struct netif *netif)
   *
   * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
   *       strange results. You might consider waiting for space in the DMA queue
-  *       to become availale since the stack doesn't retry to send a packet
+  *       to become available since the stack doesn't retry to send a packet
   *       dropped because of memory failure (except for the TCP timers).
   */
 static err_t low_level_output(struct netif *netif, struct pbuf *p)

src/utility/stm32_eth.cpp

@@ -514,7 +514,7 @@ void ethernetif_notify_conn_changed(struct netif *netif)
 #endif /* LWIP_NETIF_LINK_CALLBACK */
 
 /**
-  * @brief  Notify the User about the nework interface config status
+  * @brief  Notify the User about the network interface config status
   * @param  netif: the network interface
   * @retval None
   */
@@ -805,7 +805,7 @@ void udp_receive_callback(void *arg, struct udp_pcb *pcb, struct pbuf *p,
 /**
   * @brief Function called when TCP connection established
   * @param arg: user supplied argument
-  * @param tpcb: pointer on the connection contol block
+  * @param tpcb: pointer on the connection control block
   * @param err: when connection correctly established err should be ERR_OK
   * @retval err_t: returned error
   */
@@ -865,7 +865,7 @@ err_t tcp_accept_callback(void *arg, struct tcp_pcb *newpcb, err_t err)
       client->data.p = NULL;
       client->data.available = 0;
 
-      /* Looking for an empty soket */
+      /* Looking for an empty socket */
       for (uint16_t i = 0; i < MAX_CLIENT; i++) {
         if (tcpClient[i] == NULL) {
           tcpClient[i] = client;
@@ -916,7 +916,7 @@ err_t tcp_accept_callback(void *arg, struct tcp_pcb *newpcb, err_t err)
   * @param arg: argument to be passed to receive callback
   * @param tpcb: tcp connection control block
   * @param err: receive error code
-  * @retval err_t: retuned error
+  * @retval err_t: returned error
   */
 static err_t tcp_recv_callback(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err)
 {