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arduino-esp32/libraries/Update/examples/HTTPS_OTA_Update/Readme.md
Sweety 1fd5cd79c5
Add OTA update feature 
This sketch provide functionality for OTA firmware upgrade.
2020-08-25 11:01:58 +03:00

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OTA Firmware Upgrade for Arduino

This sketch allows Arduino user to perform Over The Air (OTA) firmware upgrade. It uses HTTPS.

API introduced for OTA

HttpsOTA.begin(const char * url, const char * server_certificate, bool skip_cert_common_name_check)

Main API which starts firmware upgrade

Parameters

  • url : URL for the uploaded firmware image
  • server_certificate : Provide the ota server certificate for authentication via HTTPS
  • skip_cert_common_name_check : Skip any validation of server certificate CN field

The default value provided to skip_cert_common_name_check is true

HttpsOTA.onHttpEvent(function)

This API exposes HTTP Events to the user

Parameter

Function passed has following signature void HttpEvent (HttpEvent_t * event);

HttpsOTA.otaStatus()

It tracks the progress of OTA firmware upgrade.

  • HTTPS_OTA_IDLE : OTA upgrade have not started yet.
  • HTTPS_OTA_UPDATNG : OTA upgarde is in progress.
  • HTTPS_OTA_SUCCESS : OTA upgrade is successful.
  • HTTPS_OTA_FAIL : OTA upgrade failed.
  • HTTPS_OTA_ERR : Error occured while creating xEventGroup().