Fixed spelling errors detected by code-spell utility. (#895)

* Fixed spelling errors detected by code-spell utility.

* Fixed cppcheck preprocessorErrorDirective. Suppressed new cppcheck warnings until fixed.

src/bacnet/basic/binding/address.c

@@ -76,7 +76,7 @@ static struct Address_Cache_Entry {
  */
 void address_protected_entry_index_set(uint32_t top_protected_entry_index)
 {
-    if (top_protected_entry_index <= (MAX_ADDRESS_CACHE - 1)) {
+    if (top_protected_entry_index < MAX_ADDRESS_CACHE) {
         Top_Protected_Entry = top_protected_entry_index;
     }
 }
@@ -976,7 +976,7 @@ int rr_address_list_encode(uint8_t *apdu, BACNET_READ_RANGE_DATA *pRequest)
 /**
  * Scan the cache and eliminate any expired entries. Should be called
  * periodically to ensure the cache is managed correctly. If this function
- * is never called at all the whole cache is effectivly rendered static and
+ * is never called at all the whole cache is effectively rendered static and
  * entries never expire unless explicitly deleted.
  *
  * @param uSeconds  Approximate number of seconds since last call to this

src/bacnet/basic/client/bac-discover.c

@@ -1138,7 +1138,7 @@ uint16_t bacnet_discover_vendor_id(void)
  */
 void bacnet_discover_seconds_set(unsigned int seconds)
 {
-    Discovery_Milliseconds = seconds * 1000;
+    Discovery_Milliseconds = (unsigned long)seconds * 1000UL;
 }
 
 /**
@@ -1147,7 +1147,7 @@ void bacnet_discover_seconds_set(unsigned int seconds)
  */
 unsigned int bacnet_discover_seconds(void)
 {
-    return Discovery_Milliseconds = 1000;
+    return Discovery_Milliseconds = 1000UL;
 }
 
 /**

src/bacnet/basic/object/trendlog.c

@@ -1113,7 +1113,7 @@ int TL_encode_by_sequence(uint8_t *apdu, BACNET_READ_RANGE_DATA *pRequest)
     uint32_t uiIndex = 0; /* Current entry number */
     uint32_t uiFirst = 0; /* Entry number we started encoding from */
     uint32_t uiLast = 0; /* Entry number we finished encoding on */
-    uint32_t uiSequence = 0; /* Tracking sequenc number when encoding */
+    uint32_t uiSequence = 0; /* Tracking sequence number when encoding */
     uint32_t uiRemaining = 0; /* Amount of unused space in packet */
     uint32_t uiFirstSeq = 0; /* Sequence number for 1st record in log */