电容触摸屏初探
瀚瑞
http://www.pixcir.com.cn/
汇顶
http://www.goodix.com/
http://www.sztctd.com/about/about85.shtml
tiny210配置的电容屏芯片
goodix GT801
http://www.goodix.com/technical-support/download/
http://www.arm9home.net/read.php?tid=20239
http://www.arm9home.net/read.php?tid-24538.html
goodix触摸屏驱动以模块形式提供,如下,在板子的文件系统中搜索
/ # find / -name "*goodix*" /sys/module/goodix_touch /system/lib/modules/2.6.35.7-FriendlyARM/kernel/drivers/input/touchscreen/goodix_touch.ko / # cat /etc/init.mini210.sh .. # Audio, video, input modprobe snd-soc-mini210-wm8960 modprobe ov9650 modprobe tvp5150_tiny210 modprobe goodix_touch ..
内核选项
Device Drivers —>Input device support —>[*] Touchscreens —> <*> Goodix GT80X multi-touch driver
没有源码
drivers/input/touchscreen/goodix_touch.c