add devterm_keyboard_mini init code

Code/devterm_keyboard_mini/devterm.h

@@ -0,0 +1,42 @@
+#ifndef DEVTERM_H
+#define DEVTERM_H
+
+#define KEY_LATENCY  1400
+#include "state.h"
+
+#include <USBComposite.h>
+typedef struct key_debouncing{
+
+  bool deing;//debouncing
+  uint16_t de_time;
+  
+}KEY_DEB;
+
+typedef struct keyboard_state{
+
+  uint8_t layer;
+  uint8_t prev_layer;
+  uint8_t fn_on;
+  uint8_t shift;
+  
+}KEYBOARD_STATE;
+
+class DEVTERM {
+  public:
+    HIDKeyboard *Keyboard;
+    HIDMouse *Mouse; 
+    HIDJoystick *Joystick;
+    HIDConsumer *Consumer;
+    KEYBOARD_STATE Keyboard_state;
+    USBCompositeSerial *_Serial;
+    //if not to use USBCompositeSerial,then use default Serial
+    //**Serial and USBCompositeSerial can not use together, otherwise the keyboard firmware uploading will be dead**
+    //and you will need to find a way out to flash the stm32duino bootloader once again
+    //USBSerial *_Serial;//_Serial = &Serial;
+    State *state;
+    uint32_t delta;
+};
+
+#define KEYBOARD_PULL 1 // 1 for PULLUP, 0 FOR PULLDOWN
+
+#endif