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[sat_receive.js] MQTT error : 'Error sending Mqtt message'
(boot:0)> waiting for AOS
(boot:0)> 13:31:59 - WAIT_AOS --> Sat position: Lat=0.492, Lon=-14.572, Az=200.264, Elev=36.039
(boot:0)> 13:31:59 - In view ! --> Elev=36.039, Az=200.264, Lat=0.492, Lon=-14.572, Doppler@1GHz= 351
Error sending Mqtt message.
(boot:0)> START RECORD MQTT
(boot:0)> send MQTT AOS : RECORD_START:ELEKTRO-L2_20210728-113159
Error sending Mqtt message.
- Be sure following packages are installed :
mosquitto mosquitto-clients - Check mosquitto status :
mosquitto_pub -h localhost -u mqtt -P mqtt -t 'sdrcli/stream' -m "0"
Connection Refused: not authorised.
Error: The connection was refused.
- Create 'mqtt' user & password for mosquitto :
sudo mosquitto_passwd -b /etc/mosquitto/passwd mqtt mqtt
[GPS support] Basic example
Not yet documented, sorry, here is a short example to access GPS from SDR4space.lite
- You have to launch SDR4space.lite with following parameters (adapt to your setup):
-g, --gps arg set GPS NMEA source port input (ex: /dev/ttyACM0),
-b, --baudrate arg GPS Baudrate (default: 9600)
- Basic test :
var gps= System.GPSAvail() ;
print(gps);
sleep(2000);
var mypos = System.GPSInfos();
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