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AM335X 串口mark校验方式下 接收数据出错



 如题,Linux系统,设置mark校验方式后接收数据老是出错

设置方式

options.c_cflag |= (PARODD | PARENB | CMSPAR);
options.c_iflag |= INPCK;

请问谁有解决办法,或者哪位大侠遇到过着这样的问题,