【记录】LCD驱动1.LCD驱动框架2.LCD驱动3.驱动测试4.代码5.参考资料
1.LCD驱动框架1.1程序结构打开设备 app: open(“/dev/fb0”, …)kernel: fb_open int fbidx = iminor(inode); struct fb_info *info = = registered_fb[0];读设备 app: read()kernel: fb_read