Implements tuh_deinit() and tud_deinit() to uninitialize host/device mode.

src/device/dcd.h

@@ -122,6 +122,9 @@ void dcd_dcache_clean_invalidate(void const* addr, uint32_t data_size) TU_ATTR_W
 // Initialize controller to device mode
 void dcd_init(uint8_t rhport);
 
+// Deinitialize controller, unset device mode.
+void dcd_deinit(uint8_t rhport);
+
 // Interrupt Handler
 void dcd_int_handler(uint8_t rhport);
 

src/device/usbd.h

@@ -37,9 +37,12 @@ extern "C" {
 // Application API
 //--------------------------------------------------------------------+
 
-// Init device stack
+// Init device stack on roothub port
 bool tud_init (uint8_t rhport);
 
+// Deinit device stack on roothub port
+void tud_deinit(uint8_t rhport);
+
 // Check if device stack is already initialized
 bool tud_inited(void);