利用tty 传送pelco-d/p PTZ 的指令来测试旋转球-Use tty send pelco-d/p PTZ commands to test the spinning ball

通过嵌入式主机上的zigbee coordinator模块向zigbee子网内的所有zigbee节点传送信息采集指令，获得传感信息-Through embedded module zigbee coordinator on the host subnet to the zigbee zigbee nodes to send all the information collection instruction, access to sensor information