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TM4C129的USB驱动移植到操作系统(RTTHread)后用不了了。



USB驱动是官方例程usb_host_keyboard修改的,已经能够驱动我的USB设备了,但是移植到RTTHread后就不能用了,进不了USB中断(中断函数名:USBHostIntHandlerInternal)。二者的启动文件不一样,不懂是不是这个原因。

TM4C129start.S