1 files changed, 20 insertions, 2 deletions
diff --git a/src/host/usbh.h b/src/host/usbh.h
index 9ff118543..359684169 100644
--- a/src/host/usbh.h
+++ b/src/host/usbh.h
@@ -73,11 +73,25 @@ typedef struct {
   tusb_desc_interface_t desc;
 } tuh_itf_info_t;
 
-// ConfigID for tuh_config()
+// ConfigID for tuh_configure()
 enum {
-  TUH_CFGID_RPI_PIO_USB_CONFIGURATION = OPT_MCU_RP2040 << 8 // cfg_param: pio_usb_configuration_t
+  TUH_CFGID_INVALID = 0,
+  TUH_CFGID_RPI_PIO_USB_CONFIGURATION = 100, // cfg_param: pio_usb_configuration_t
+  TUH_CFGID_MAX3421 = 200,
 };
 
+typedef struct {
+  uint8_t max_nak; // max NAK per endpoint per frame
+  uint8_t cpuctl; // R16: CPU Control Register
+  uint8_t pinctl; // R17: Pin Control Register. FDUPSPI bit is ignored
+} tuh_configure_max3421_t;
+
+typedef union {
+  // For TUH_CFGID_RPI_PIO_USB_CONFIGURATION use pio_usb_configuration_t
+
+  tuh_configure_max3421_t max3421;
+} tuh_configure_param_t;
+
 //--------------------------------------------------------------------+
 // APPLICATION CALLBACK
 //--------------------------------------------------------------------+
@@ -109,7 +123,11 @@ bool tuh_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param);
 // Init host stack
 bool tuh_init(uint8_t rhport);
 
+// Deinit host stack on rhport
+bool tuh_deinit(uint8_t rhport);
+
 // Check if host stack is already initialized with any roothub ports
+// To check if an rhport is initialized, use tuh_rhport_is_active()
 bool tuh_inited(void);
 
 // Task function should be called in main/rtos loop, extended version of tuh_task()