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tsc2007读XY坐标的时候到底需不需要使能XY的driver,为啥不使能driver也能读到数据,且大体位置是对的?
另外在触屏按下后应该怎样读取XY的坐标值比较合理,我是按下后进中断置位touchdown,然后在主函数中检测到touchdown后直接
I2C读tsc2007,这样在触屏上随机画线,出来的效果见图片,也就是随机画很多线后发现会叠加成一个个小方块,如果画一条线,出来的效果不收敛,