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AM3358+SDK6.0 用户层ldisc=N_MOUSE ioctrl(fd,TIOCSETD,&ldisc)失败



最近在调试串口触摸屏,查询资料按照touchit213写了驱动,然后在应用层修改路程规划,结果失败!!

请支持,是否和pinmux有关?