Character Device Driver 실습
Character Device Driver 실습 Source Code & Makefile 작성 작업 디렉터리 생성(위치는 아무곳이나 상관 없음) $ mkdir driver $ cd driver $ mkdir chardev Source Code 작성 생성한 chardev 디렉터리 밑에 생성(chardev.c) #include #include #include #include #define CHR_DEV_NAME "chardev" #define CHR_DEV_MAJOR 255 int chr_open(struct inode * inode, struct file * file) { // process open operation int number = MINOR(inode->i_rdev); printk("Virtua..