chenwu 5b339ee467 feat(example): add OTA example ...

1. construct a valid http request header
   notice: URL path, HTTP version, Host，Accept, Accept-Encoding
2. check http response header
   notice: state code should be 200, should include Content-Length and application/octet-stream
3. download OTA bin from local OTA server
4. check bin CRC
5. reboot to run new bin if CRC passed
6. add README.md

2018-05-22 16:50:34 +08:00

..

ota.h

feat(example): add OTA example

2018-05-22 16:50:34 +08:00