实现了AVR 单片机与pc的通讯，程序包括单片机部分的驱动和PC部分的测试程序.文件列表: USB_TEST_INT0817 ................\CH375INC.h ................\usbCH372.exe ................\usbtest.asm ................\USBTEST.avd ................\usbtest.c ................\usbtest.cof ................\usbtest.cwp ................\usbtest.c~ ................\usbtest.err ................\usbtest.hex ................\usbtest.lst ................\usbtest.map ................\usbtest.obj ................\usbtest.prj ................\usbtest.rom ................\usbtest.vec ................\usbtest__.c……