1 files changed, 20 insertions, 0 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h
index c446638c3..efde9377f 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -33,10 +33,30 @@
 extern "C" {
 #endif
 
+// ConfigID for tud_configure()
+enum {
+  TUD_CFGID_INVALID = 0,
+  TUD_CFGID_DWC2 = 100,
+};
+
+typedef struct {
+  uint16_t bm_double_buffered; // bitmap of IN endpoints to be double buffered, only effective for bulk endpoints
+} tud_configure_dwc2_t;
+
+typedef union {
+  tud_configure_dwc2_t dwc2;
+} tud_configure_param_t;
+
 //--------------------------------------------------------------------+
 // Application API
 //--------------------------------------------------------------------+
 
+// Configure device stack behavior with dynamic or port-specific parameters.
+// Should be called before initialization of the device stack
+// - cfg_id   : configure ID from TUD_CFGID_* enum values
+// - cfg_param: configure data, structure depends on the ID
+bool tud_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param);
+
 // New API to replace tud_init() to init device stack on specific roothub port
 bool tud_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init);