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我写了一个用户空间应用程序。当我运行fd = rt_dev_open("/dev/ttyACM0");时,我得到一个错误。它说no such device。但是当我使用 POSIX open() 函数时,它工作正常。如何使用此文件 xenoami rtdm 模块?
fd = rt_dev_open("/dev/ttyACM0");
no such device
要实时运行函数,我们需要一个 rtdm 驱动程序。如果没有,我们就无法使用实时功能。