diff --git a/include/nsyshid/hid.h b/include/nsyshid/hid.h
new file mode 100644
index 0000000..143c1b4
--- /dev/null
+++ b/include/nsyshid/hid.h
@@ -0,0 +1,123 @@
+#pragma once
+#include <wut.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct
+{
+    uint32_t handle;
+    uint32_t physical_device_inst;
+    uint16_t vid;
+    uint16_t pid;
+    uint8_t interface_index;
+    uint8_t sub_class;
+    uint8_t protocol;
+
+    uint16_t max_packet_size_rx;
+    uint16_t max_packet_size_tx;
+} HIDDevice;
+
+#define HID_DEVICE_DETACH   0
+#define HID_DEVICE_ATTACH   1
+
+typedef struct _HIDClient HIDClient;
+
+typedef int32_t (*HIDAttachCallback)(HIDClient *p_hc,HIDDevice *p_hd,uint32_t attach);
+
+struct _HIDClient
+{
+    HIDClient *next;
+    HIDAttachCallback attach_cb;
+};
+
+typedef void  HIDCallback(uint32_t handle,int32_t error,uint8_t *p_buffer,uint32_t bytes_transferred,void *p_user);
+
+int32_t
+HIDSetup(void);
+
+int32_t
+HIDTeardown(void);
+
+int32_t
+HIDAddClient(HIDClient *p_client, HIDAttachCallback attach_callback);
+
+int32_t
+HIDDelClient(HIDClient *p_client);
+
+int32_t
+HIDGetDescriptor(uint32_t handle,
+                 uint8_t descriptor_type,
+                 uint8_t descriptor_index,
+                 uint16_t language_id, 
+                 uint8_t *p_buffer, 
+                 uint32_t buffer_length, 
+                 HIDCallback hc, void *p_user);
+
+int32_t
+HIDSetDescriptor(uint32_t handle,
+                 uint8_t descriptor_type,
+                 uint8_t descriptor_index, 
+                 uint16_t language_id, 
+                 uint8_t *p_buffer, 
+                 uint32_t buffer_length, 
+                 HIDCallback hc, 
+                 void *p_user);
+
+int32_t
+HIDGetReport(uint32_t handle, 
+             uint8_t report_type, 
+             uint8_t report_id, 
+             uint8_t *p_buffer, 
+             uint32_t buffer_length, 
+             HIDCallback hc, 
+             void *p_user);
+
+int32_t
+HIDSetReport(uint32_t handle, 
+             uint8_t report_type, 
+             uint8_t report_id, 
+             uint8_t *p_buffer, 
+             uint32_t buffer_length, 
+             HIDCallback hc, 
+             void *p_user);
+
+int32_t
+HIDSetIdle(uint32_t handle, 
+           uint8_t interface_index,
+           uint8_t duration, 
+           HIDCallback hc, 
+           void *p_user);
+
+int32_t
+HIDSetProtocol(uint32_t handle,
+               uint8_t interface_index,
+               uint8_t protocol, 
+               HIDCallback hc, 
+               void *p_user);
+
+int32_t
+HIDGetProtocol(uint32_t handle,
+               uint8_t interface_index,
+               uint8_t * protocol, 
+               HIDCallback hc, 
+               void *p_user);
+
+int32_t
+HIDRead(uint32_t handle, 
+        uint8_t *p_buffer, 
+        uint32_t buffer_length, 
+        HIDCallback hc, 
+        void *p_user);
+        
+int32_t
+HIDWrite(uint32_t handle, 
+         uint8_t *p_buffer, 
+         uint32_t buffer_length, 
+         HIDCallback hc, 
+         void *p_user);
+
+#ifdef __cplusplus
+}
+#endif