摘要:
1.分配一个fb_info结构体: framebuffer_alloc 2.设置 3.注册 4.硬件相关操 struct fb_fix_screeninfo { char id[16]; /* identification string eg "TT Builtin" */ unsigned lon 阅读全文
摘要:
app: read() -------------------------------------------------------------------------------------------- kernel: fb_read int fbidx = iminor(inode); st 阅读全文