2 commits

Author	SHA1	Message	Date
xueyunfei	681dba4afd	optimization get dns server and add dns enable ipv6 dns retrieval	2020-02-20 14:06:07 +00:00
morris	2e1f98f8f5	modem: support modem facility and PPPoS ... 1. add support for ESP32 DTE 2. add support for SIM800/BG96 DCE 3. add PPPoS setup procedure 4. add support for SMS 5. add mqtt example after PPP connection established	2019-01-23 18:53:32 +08:00