Battery interface.h

 /*************************************************************************
  > File Name: battery_interface.h
  > Author:
  > Mail:
  > Created Time: Fri 15 Jan 2016 09:31:10 AM CST
  ************************************************************************/
 
 #ifndef _BATTERY_INTERFACE_H
 #define _BATTERY_INTERFACE_H
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 typedef int (*battery_open)(void);
 
 typedef int (*battery_close)(void);
 
 typedef int (*battery_query_info)(int *capacity, int *voltage);
 
 #ifdef __cplusplus
 }
 #endif
 #endif