摘要:
#include #include #include #include int main(int argc,char **argv) {int fd;unsigned char key_vals[4];int cnt=0;fd=open("/dev/buttons",O_RDWR );//这个 " ... 阅读全文
摘要:
#include #include #include #include #include #include #include #include #include #include static struct class *seconddrv_class;static struct class_dev... 阅读全文