add tuh_set_interface

1 files changed, 5 insertions, 0 deletions

diff --git a/src/host/usbh.h b/src/host/usbh.h
index 7942de5c2..45e6356bc 100644
--- a/src/host/usbh.h
+++ b/src/host/usbh.h
@@ -171,6 +171,11 @@ bool tuh_edpt_open(uint8_t dev_addr, tusb_desc_endpoint_t const * desc_ep);
 bool tuh_configuration_set(uint8_t daddr, uint8_t config_num,
                            tuh_xfer_cb_t complete_cb, uintptr_t user_data);
 
+// Set Interface (control transfer)
+// true on success, false if there is on-going control transfer or incorrect parameters
+bool tuh_interface_set(uint8_t daddr, uint8_t itf_num, uint8_t itf_alt,
+                       tuh_xfer_cb_t complete_cb, uintptr_t user_data);
+
 //--------------------------------------------------------------------+
 // Descriptors Asynchronous (non-blocking)
 //--------------------------------------------------------------------+