USBH: Cleanup example for out-of-tree driver

testhal/STM32/STM32F4xx/USB_HOST/halconf_community.h

@@ -141,7 +141,7 @@
 #define HAL_USBHHUB_MAX_INSTANCES                     1
 #define HAL_USBHHUB_MAX_PORTS                         6
 
-#define HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS		  1
+#define HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS		  TRUE
 
 /* debug */
 #define USBH_DEBUG_ENABLE                             TRUE

testhal/STM32/STM32F4xx/USB_HOST/usbh_custom_class_example.c

@@ -16,6 +16,8 @@
 */
 
 #include "hal.h"
+
+#if HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS
 #include "usbh/internal.h"
 #include "usbh_custom_class_example.h"
 #include <string.h>
@@ -138,3 +140,4 @@ static void _init(void) {
 	}
 }
 
+#endif

testhal/STM32/STM32F4xx/USB_HOST/usbh_custom_class_example.h

@@ -20,8 +20,7 @@
 
 #include "hal_usbh.h"
 
-#if HAL_USE_USBH
-
+#if HAL_USE_USBH && HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS
 
 /*===========================================================================*/
 /* Driver pre-compile time settings.                                         */
@@ -72,8 +71,6 @@ extern "C" {
 #endif
 	/* API goes here */
 
-	/* global initializer */
-	void usbhCustomInit(void);
 #ifdef __cplusplus
 }
 #endif