RE: How to receive data from nRF cloud to LTE device

Håkon Alseth — Fri, 17 Apr 2020 13:41:32 GMT

Hi,

When your device is successfully added and connected to nrfcloud, there is a terminal in the right corner:

From here, you can send json formatted data (examples here)

This will be received, but unfortunately; asset_tracker receives the data, but does not parse it because it does not expect commands from the cloud:

[00:14:32.667,022] <dbg> aws_fota.on_publish_evt: Received topic: prod/3805303c-deb1-451b-8862-27e5ca128799/m/d/MY_IMEI/c2dd
[00:14:32.679,412] <inf> aws_fota: received an unhandled MQTT publish event on topic: prod/3805303c-deb1-451b-8862-27e5ca128799/m/d/MY_IMEI/c2dd
[00:14:32.693,603] <dbg> nrf_cloud_transport.nct_mqtt_evt_handler: MQTT_EVT_PUBLISH: id = 15776 len = 56
[00:14:32.703,674] <dbg> nrf_cloud.nfsm_set_current_state_and_notify: state: 9
[00:14:32.711,486] <dbg> nrf_cloud.event_handler: NRF_CLOUD_EVT_RX_DATA
[00:14:32.718,536] <inf> asset_tracker: CLOUD_EVT_DATA_RECEIVED

We do not have any guides or examples on how to parse a specific json on the nrf at this point, unfortunately.

Kind regards,

Håkon