SWRU473A February 2017 – August 2018 CC3120MOD , CC3220MOD , CC3220MODA , CC3220R , CC3220S , CC3220SF
This section lists all state options of the red LED (D7). The red LED (D7) indication can help users understand the application flow, and debug cases where the application does not behave as expected. Only the red LED (D7) is used for status indication, and similar indications may be applied in more than one occasion. To distinguish similar indications, the user must be aware of the executed procedure. Table 2 lists all options.
Red LED indication | Procedure | Interpretation |
---|---|---|
Blinking once per 2 seconds | Provisioning | CC3220 is being provisioned. |
Solidly on | Provisioning | Connection to the AP is up. |
Solidly off | Provisioning | Connection to the AP is down. |
Blinking once per second | Local network connection | For Station mode, connection to the AP is in progress. For AP mode, initialization is in progress. |
Solidly on | Local network connection | For Station mode, connection to the AP is up. For AP mode, initialization is done. |
Solidly off | Local network connection | Applies in Station mode only. Connection to the AP is down. |
Blinking 5 times per second | OTA update | OTA update of the CC3220 is in progress. |
Solidly on | OTA update | OTA update of the CC3220 succeeded. |
Solidly off | OTA update | OTA update of the CC3220 failed. |
Blinking once per second | Return to default | Return to default procedure is done. Waiting for the user to manually restart the CC3220 LaunchPad |