Reduce compiler warnings for -Wall -Wpedantic -Wextra

CMakeLists.txt

@@ -23,21 +23,28 @@ target_sources(${PROJECT_NAME} PUBLIC
     # Port files
     ${CMAKE_CURRENT_LIST_DIR}/lwow/src/system/lwow_sys_win32.c
     ${CMAKE_CURRENT_LIST_DIR}/lwow/src/system/lwow_ll_win32.c
-    )
+)
 
 # Add key include paths
 target_include_directories(${PROJECT_NAME} PUBLIC
     ${CMAKE_CURRENT_LIST_DIR}
     ${CMAKE_CURRENT_LIST_DIR}/dev
-    )
+)
 
 # Compilation definition information
 target_compile_definitions(${PROJECT_NAME} PUBLIC
     WIN32
     _DEBUG
     CONSOLE
     LWOW_DEV
-    )
+)
+
+# Compiler options
+target_compile_options(${PROJECT_NAME} PRIVATE
+    -Wall
+    -Wextra
+    -Wpedantic
+)
 
 # Add subdir with lwow and link to the project
 add_subdirectory("lwow")

lwow/src/system/lwow_ll_win32.c

@@ -58,9 +58,10 @@ static DCB dcb = { 0 };
 static uint8_t
 init(void* arg) {
     dcb.DCBlength = sizeof(dcb);
+    LWOW_UNUSED(arg);
 
     /* Open virtual file as read/write */
-    com_port = CreateFile(L"\\\\.\\COM4",
+    com_port = CreateFileA("\\\\.\\COM4",
                           GENERIC_READ | GENERIC_WRITE,
                           0,
                           0,
@@ -108,12 +109,14 @@ init(void* arg) {
 uint8_t
 deinit(void* arg) {
     /* Disable UART peripheral */
+    LWOW_UNUSED(arg);
 
     return 1;
 }
 
 uint8_t
 set_baudrate(uint32_t baud, void* arg) {
+    LWOW_UNUSED(arg);
     /* Configure UART to selected baudrate */
     dcb.BaudRate = baud;
 
@@ -131,6 +134,7 @@ transmit_receive(const uint8_t* tx, uint8_t* rx, size_t len, void* arg) {
     /* Perform data exchange */
     size_t read = 0;
     DWORD br;
+    LWOW_UNUSED(arg);
 
     if (com_port != NULL) {
         /*

lwow/src/system/lwow_sys_win32.c

@@ -38,24 +38,28 @@
 
 uint8_t
 lwow_sys_mutex_create(LWOW_CFG_OS_MUTEX_HANDLE* mutex, void* arg) {
+    LWOW_UNUSED(arg);
     *mutex = CreateMutex(NULL, 0, NULL);
     return 1;
 }
 
 uint8_t
 lwow_sys_mutex_delete(LWOW_CFG_OS_MUTEX_HANDLE* mutex, void* arg) {
+    LWOW_UNUSED(arg);
     CloseHandle(*mutex);
     *mutex = NULL;
     return 1;
 }
 
 uint8_t
 lwow_sys_mutex_wait(LWOW_CFG_OS_MUTEX_HANDLE* mutex, void* arg) {
+    LWOW_UNUSED(arg);
     return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0;
 }
 
 uint8_t
 lwow_sys_mutex_release(LWOW_CFG_OS_MUTEX_HANDLE* mutex, void* arg) {
+    LWOW_UNUSED(arg);
     return ReleaseMutex(*mutex);
 }