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RM48HDK USB使用求助

Other Parts Discussed in Thread: HALCOGEN

按照processors.wiki.ti.com/.../HALCoGen_USB_Device_-_driver_&_CDC_Class建立了相应工程,电脑通过USB连接至RM48HDK USBDEVICE(J16、J17)上。调试过程如下:

1、使用CCS download程序过程中电脑提示发现未知设备,指定设备驱动至halcogen提供的usb_dev_serial.inf,还是提示未知设备

2、CCS中F8运行程序,程序一直在主程序while循环中,且USBBufferDataAvailable((tUSBBuffer *)&g_sRxBuffer) > 0条件判断始终为假,如图1所示

图1

另 miniusb模拟COM端口接收数据如图2所示