#ifndef __SYS_H
#define __SYS_H	 
//#include "stm32l4xx.h" 
#include "stm32l4xx_hal.h"

typedef uint32_t  u32;
typedef uint16_t u16;
typedef uint8_t  u8;
 
typedef volatile uint32_t  vu32;
typedef volatile uint16_t vu16;
typedef volatile uint8_t  vu8; 


#endif