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<\/a><\/p>\nDescription<\/h1>\nIntroduction<\/h2>\nObjective<\/h3>\n
Objective<\/h3>\n
It’s normally impossible to connect several GCS to the same ULRS CC.<\/p>\n
However possible by using the Mavlink server feature, it will be possible to connect an unlimited number of GCS to a single ULRS TX.<\/p>\n
They can run on the same computer, or on a local network (cable or wi-fi), or even through internet (so your friends could follow your flights or even take control of your plane).<\/p>\n
Sending commands<\/h3>\n
The communication is fully bidirectionnal, so all the connected devices can send commands to the remote vehicle.<\/p>\n
Protocol used<\/h3>\n
The protocol used is called TCP, it allows to have one sender and many receivers. It’s the same protocol used on\u00a0a web server, where many internet browsers can connect simultaneously.<\/p>\n
Mavlink server<\/h2>\nHow to start<\/h3>\n
To use this feature, select the ‘Mavlink Server’ tab in ULRS CC, and click on ‘Start Mavlink Server’ in ULRS CC :<\/p>\n
After clicking on Start Mavlink Server it will display the current IP addresses of the computer.<\/p>\n Then launch a GCS (like Mission Planner or Tower), either on the same computer or on a computer which is on the same network.<\/p>\n In the GCS, rather than selecting a COM port, select ‘TCP’, then click on ‘Connect’\u00a0:<\/p>\n It will ask for the IP address of the server. Check the IP address of the computer where ULRS CC is running. This is provided automatically in ULRS CC :<\/p>\n Enter one of the IP addresses (they may not all work, for example in this example one of them is the wi-fi IP address, while another one is the cable network IP address. 127.0.0.1 is a special IP address that means ‘on the same computer’, you can use it if ULRS CC and your GCS are running on the same computer) :<\/p>\n It will then ask for a remote port number. Type in 14550.<\/p>\n The combination of an IP address and a port number identifies a unique service over a specific computer even over the entire internet.<\/p>\n The GCS doesn’t require anything more to start using this service. (Notice that this is simpler than a COM port, where the correct port number, its baudrate, number of stop bits, start bits, parity type etc must be selected before it will work)<\/p>\n And that’s it, Mission Planner will start to download the parameters as if it was connected on a serial port :<\/p>\n<\/a><\/p>\nGround Control Software<\/h2>\n
Start & Connect<\/h3>\n
<\/a><\/p>\nIP address<\/h3>\n
<\/p>\n<\/a><\/p>\nPort number<\/h3>\n
<\/a><\/p>\nThat’s it<\/h3>\n