+TCP: Fix spellings (#302)

* MISRA v5

* Add spelling corrections

* Update after Shubham's comments

* Actually fix the spelling

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOSIPConfigDefaults.h

@@ -129,7 +129,7 @@ from the FreeRTOSIPConfig.h configuration header file. */
 #endif
 
 #ifdef ipconfigDHCP_USES_USER_HOOK
-	#error ipconfigDHCP_USES_USER_HOOK and its associated callback have been superceeded - see http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
+	#error ipconfigDHCP_USES_USER_HOOK and its associated callback have been superceded - see http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
 #endif
 
 #ifndef ipconfigUSE_TCP
@@ -155,7 +155,7 @@ from the FreeRTOSIPConfig.h configuration header file. */
 #endif
 
 /*
- * For debuging/logging: check if the port number is used for telnet
+ * For debugging/logging: check if the port number is used for telnet
  * Some events will not be logged for telnet connections
  * because it would produce logging about the transmission of the logging...
  * This macro will only be used if FreeRTOS_debug_printf() is defined for logging
@@ -262,7 +262,7 @@ from the FreeRTOSIPConfig.h configuration header file. */
  * - DHCP:    For creating a DHCP transaction number
  * - TCP:     Set the Initial Sequence Number: this is the value of the first outgoing
  *            sequence number being used when connecting to a peer.
- *            Having a well randomised ISN is important to avoid spoofing
+ *            Having a well randomized ISN is important to avoid spoofing
  * - UDP/TCP: for setting the first port number to be used, in case a socket
  *            uses a 'random' or anonymous port number
  */
@@ -353,7 +353,7 @@ from the FreeRTOSIPConfig.h configuration header file. */
 #endif
 
 #ifndef ipconfigUDP_MAX_RX_PACKETS
-	/* Make postive to define the maximum number of packets which will be buffered
+	/* Make positive to define the maximum number of packets which will be buffered
 	 * for each UDP socket.
 	 * Can be overridden with the socket option FREERTOS_SO_UDP_MAX_RX_PACKETS
 	 */

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_ARP.h

@@ -63,7 +63,7 @@ typedef enum
 void vARPRefreshCacheEntry( const MACAddress_t * pxMACAddress, const uint32_t ulIPAddress );
 
 #if( ipconfigARP_USE_CLASH_DETECTION != 0 )
-	/* Becomes non-zero if another device responded to a gratuitos ARP message. */
+	/* Becomes non-zero if another device responded to a gratuitous ARP message. */
 	extern BaseType_t xARPHadIPClash;
 	/* MAC-address of the other device containing the same IP-address. */
 	extern MACAddress_t xARPClashMacAddress;

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP.h

@@ -39,7 +39,7 @@ extern "C" {
 #include "IPTraceMacroDefaults.h"
 
 /* Some constants defining the sizes of several parts of a packet.
-These defines come before inlucding the configuration header files. */
+These defines come before including the configuration header files. */
 /* The size of the Ethernet header is 14, meaning that 802.1Q VLAN tags
 are not ( yet ) supported. */
 #define ipSIZE_OF_ETH_HEADER			14U

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_IP_Private.h

@@ -524,7 +524,7 @@ socket events. */
  *
  * Only use the FreeRTOS_NetworkDownFromISR() version if the function is to be
  * called from an interrupt service routine.  If FreeRTOS_NetworkDownFromISR()
- * returns a non-zero value then a context switch should be performed ebfore
+ * returns a non-zero value then a context switch should be performed before
  * the interrupt is exited.
  */
 void FreeRTOS_NetworkDown( void );
@@ -837,7 +837,7 @@ void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket );
 /*
  * Some helping function, their meaning should be clear.
  * Going by MISRA rules, these utility functions should not be defined
- * if they are not being used anywhwere. But their use depends on the
+ * if they are not being used anywhere. But their use depends on the
  * application and hence these functions are defined unconditionally.
  */
 static portINLINE uint32_t ulChar2u32 (const uint8_t *apChr);

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Sockets.h

@@ -116,7 +116,7 @@ FreeRTOS_setsockopt(). */
 #endif /* ipconfigUSE_CALLBACKS */
 
 #define FREERTOS_SO_REUSE_LISTEN_SOCKET	( 11 )		/* When a listening socket gets connected, do not create a new one but re-use it */
-#define FREERTOS_SO_CLOSE_AFTER_SEND	( 12 )		/* As soon as the last byte has been transmitted, finalise the connection */
+#define FREERTOS_SO_CLOSE_AFTER_SEND	( 12 )		/* As soon as the last byte has been transmitted, finalize the connection */
 #define FREERTOS_SO_WIN_PROPERTIES		( 13 )		/* Set all buffer and window properties in one call, parameter is pointer to WinProperties_t */
 #define FREERTOS_SO_SET_FULL_SIZE		( 14 )		/* Refuse to send packets smaller than MSS  */
 

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_Stream_Buffer.h

@@ -26,9 +26,9 @@
 /*
  *	FreeRTOS_Stream_Buffer.h
  *
- *	A cicular character buffer
+ *	A circular character buffer
  *	An implementation of a circular buffer without a length field
- *	If LENGTH defines the size of the buffer, a maximum of (LENGT-1) bytes can be stored
+ *	If LENGTH defines the size of the buffer, a maximum of (LENGTH-1) bytes can be stored
  *	In order to add or read data from the buffer, memcpy() will be called at most 2 times
  */
 

FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/include/FreeRTOS_TCP_WIN.h

@@ -188,7 +188,7 @@ BaseType_t xTCPWindowTxHasData( TCPWindow_t const * pxWindow, uint32_t ulWindowS
 BaseType_t xTCPWindowTxDone( const TCPWindow_t *pxWindow );
 
 /* Fetches data to be sent.
- * apPos will point to a location with the circular data buffer: txStream */
+ * plPosition will point to a location with the circular data buffer: txStream */
 uint32_t ulTCPWindowTxGet( TCPWindow_t *pxWindow, uint32_t ulWindowSize, int32_t *plPosition );
 
 /* Receive a normal ACK */