请教:
28377D USB外接hub,hub连接mouse,根据TI提供的usbhhub.c,程序进行了HubDriverDeviceReset,收不到Reset complete bit?
若跳过Reset complete这步,进行正常的enumeration,再次获取hub设备描述符USBHCDGetDeviceDescriptor,port报错。
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请教:
28377D USB外接hub,hub连接mouse,根据TI提供的usbhhub.c,程序进行了HubDriverDeviceReset,收不到Reset complete bit?
若跳过Reset complete这步,进行正常的enumeration,再次获取hub设备描述符USBHCDGetDeviceDescriptor,port报错。
目前我做的是MCU作为HOST,28377D直接连接Device_mouse,通讯OK,能识别mouse并可使用,但是我想外接Hub,再接mouse,当reset device mouse就会出现程序无法枚举设备,请教是哪里出现问题?