Align code style (#40)

- Mutex -> Mutex*
- Cleanup enum names
- Other small changes

tactility-esp/src/apps/system/wifi_connect/wifi_connect.h

@@ -12,7 +12,7 @@ extern "C" {
 
 typedef struct {
     PubSubSubscription* wifi_subscription;
-    Mutex mutex;
+    Mutex* mutex;
     WifiConnectState state;
     WifiConnectView view;
     bool view_enabled;

tactility-esp/src/apps/system/wifi_manage/wifi_manage.h

@@ -10,7 +10,7 @@ extern "C" {
 
 typedef struct {
     PubSubSubscription* wifi_subscription;
-    Mutex mutex;
+    Mutex* mutex;
     WifiManageState state;
     WifiManageView view;
     bool view_enabled;

tactility-esp/src/services/wifi/wifi.c

@@ -19,7 +19,7 @@
 
 typedef struct {
     /** @brief Locking mechanism for modifying the Wifi instance */
-    Mutex mutex;
+    Mutex* mutex;
     /** @brief The public event bus */
     PubSub* pubsub;
     /** @brief The internal message queue */

tactility-esp/src/services/wifi/wifi_credentials.c

@@ -15,7 +15,7 @@ static void hash_reset_all();
 
 // region Hash
 
-static Mutex hash_mutex = NULL;
+static Mutex* hash_mutex = NULL;
 static int8_t hash_index = -1;
 static uint32_t hashes[TT_WIFI_CREDENTIALS_LIMIT] = { 0 };