demo.h

来自「demo驱动程序」· C头文件 代码 · 共 15 行

/*
 * demo.h
 */

//#define DEMO_MAJOR 21
#define BUFFSIZE 64
#define DEMO_MINOR 0
/* the counter to record the char number in wbuff  */
int count;

/* buffer pointers, the buffer will be allocated in device init */
char *wbuff, *rbuff;