I already demonstrated how to use NuttX with GSM modem. But I realized that it wasn’t with DNS support enabled. Then I decided to enable DNS and test it again:
ATE1 OK chat: OK AT+CGDCONT=1,"IP","tim.br"
AT+QACCM=0,0 OK chat: OK ATD99**1#
AT+CGDCONT=1,"IP","tim.br" OK chat: CONNECT ATD99**1# CONNECT IP: 192.168.254.254 IP: 100.86.71.207 IP: 100.86.71.207
nsh> mount -t procfs /proc
nsh> ifconfig
ppp0 Link encap:TUN at UP
inet addr:100.86.71.207 DRaddr:192.168.254.254 Mask:0.0.0.0
nsh> ? help usage: help [-v] []
[ cp exec hexdump mh set umount ? cmp exit ifconfig mount sh unset addroute date false kill mw sleep usleep break dd free ls nslookup test xd cat echo help mb ps true
Builtin Apps: ping testlogbuf leds pppd
nsh> nslookup google.com Host: google.com IPv4 Addr: 172.217.29.110
nsh> ping google.com PING 172.217.29.110 56 bytes of data 56 bytes from 172.217.29.110: icmp_seq=0 time=420 ms 56 bytes from 172.217.29.110: icmp_seq=1 time=490 ms 56 bytes from 172.217.29.110: icmp_seq=2 time=530 ms 56 bytes from 172.217.29.110: icmp_seq=3 time=840 ms 56 bytes from 172.217.29.110: icmp_seq=4 time=410 ms 56 bytes from 172.217.29.110: icmp_seq=5 time=500 ms 56 bytes from 172.217.29.110: icmp_seq=6 time=540 ms 56 bytes from 172.217.29.110: icmp_seq=7 time=590 ms 56 bytes from 172.217.29.110: icmp_seq=8 time=640 ms 56 bytes from 172.217.29.110: icmp_seq=9 time=680 ms 10 packets transmitted, 10 received, 0% packet loss, time 10100 ms nsh>
I just followed the video tutorial #044:
Alan C. Assis 