doxygen documenting

tinyusb/tusb.c

@@ -63,15 +63,19 @@ tusb_error_t tusb_init(void)
   return TUSB_ERROR_NONE;
 }
 
-// called from hal layer
-void tusb_isr(uint8_t controller_id)
+/** \ingroup group_application_api
+ * \brief USB interrupt handler
+ * \param[in]  coreid Controller ID where the interrupt happened
+ * \note This function must be called by HAL layer or Application for the stack to manage USB events/transfers.
+ */
+void tusb_isr(uint8_t coreid)
 {
 #if MODE_HOST_SUPPORTED
-  hcd_isr(controller_id);
+  hcd_isr(coreid);
 #endif
 
 #if MODE_DEVICE_SUPPORTED
-  dcd_isr(controller_id);
+  dcd_isr(coreid);
 #endif
 
 }