ping测试通过， 传送描述符环回也无错，但是速度较慢， 还需进一步调试
ucos
	
64 bytes from 192.168.1.2: icmp_req=140 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=141 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=142 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=143 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=144 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=145 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=146 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=147 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=148 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=149 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=150 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=151 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=152 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=153 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=154 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=155 ttl=64 time=38.5 ms
64 bytes from 192.168.1.2: icmp_req=156 ttl=64 time=38.5 ms


64 bytes from 192.168.1.2: icmp_req=1 ttl=64 time=9.67 ms
64 bytes from 192.168.1.2: icmp_req=2 ttl=64 time=9.65 ms
64 bytes from 192.168.1.2: icmp_req=3 ttl=64 time=9.65 ms
64 bytes from 192.168.1.2: icmp_req=4 ttl=64 time=9.65 ms
64 bytes from 192.168.1.2: icmp_req=5 ttl=64 time=9.65 ms

pmon


64 bytes from 192.168.1.2: icmp_req=1 ttl=255 time=0.851 ms
64 bytes from 192.168.1.2: icmp_req=2 ttl=255 time=0.344 ms
64 bytes from 192.168.1.2: icmp_req=3 ttl=255 time=0.472 ms
64 bytes from 192.168.1.2: icmp_req=4 ttl=255 time=0.447 ms
64 bytes from 192.168.1.2: icmp_req=5 ttl=255 time=0.384 ms
64 bytes from 192.168.1.2: icmp_req=6 ttl=255 time=0.430 ms
64 bytes from 192.168.1.2: icmp_req=7 ttl=255 time=0.367 ms
64 bytes from 192.168.1.2: icmp_req=8 ttl=255 time=0.379 ms



hec@hec-K40ID:~/Desktop/mix/uCOS-II/Ex1_Atlas/bin$ ping 192.168.2.1
PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data.
64 bytes from 192.168.2.1: icmp_req=1 ttl=64 time=4.72 ms
64 bytes from 192.168.2.1: icmp_req=2 ttl=64 time=1.58 ms
64 bytes from 192.168.2.1: icmp_req=3 ttl=64 time=1.44 ms


关闭所有的调试信息后，速度变的很快：
hec@hec-K40ID:~/Desktop/mix/uCOS-II/Ex1_Atlas/bin$ ping 192.168.1.2
PING 192.168.1.2 (192.168.1.2) 56(84) bytes of data.
64 bytes from 192.168.1.2: icmp_req=1 ttl=64 time=0.281 ms
64 bytes from 192.168.1.2: icmp_req=2 ttl=64 time=0.225 ms
64 bytes from 192.168.1.2: icmp_req=3 ttl=64 time=0.251 ms
64 bytes from 192.168.1.2: icmp_req=4 ttl=64 time=0.265 ms
64 bytes from 192.168.1.2: icmp_req=5 ttl=64 time=0.248 ms
64 bytes from 192.168.1.2: icmp_req=6 ttl=64 time=0.250 ms
64 bytes from 192.168.1.2: icmp_req=7 ttl=64 time=0.252 ms
64 bytes from 192.168.1.2: icmp_req=8 ttl=64 time=0.250 ms
^C
--- 192.168.1.2 ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 6997ms
rtt min/avg/max/mdev = 0.225/0.252/0.281/0.024 ms

      
