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Demonstration Application
The demonstration application uses the TelloCommander API to demonstrate how to connect to and communicate with a drone using the API.
It provides the following connection types:
| Type | Purpose |
|---|---|
| Mock | Uses a mock that simulates responses from the drone without establishing a connection |
| Simulator | The API is connected to the simulator, running on the same machine |
| Drone | The API is connected to a real drone |
To run the demonstration/test application, open a terminal window, change to the folder containing the compiled output for the TelloCommander.TestApp project and run the following command:
TelloCommander.TestApp
The following will be displayed:
Tello Commander 1.0.0.0
Dictionary Version:
[1] 1.3.0.0
[2] 2.0.0.0
Please enter your option between 1 and 2 or enter 0 to quit:
The dictionary (or API) version determines the set of commands available to run. For mock or simulator connections, any version can be used but for connection to a real drone it's important to choose the correct version:
| Drone | Version |
|---|---|
| Tello | 1.3.0.0 |
| Tello EDU | 2.0.0.0 |
Once you have selected the API version, you are prompted to enter the required connection type:
Connection:
[1] Mock connection
[2] Simulator connection
[3] Real connection
Please enter your option between 1 and 3 or enter 0 to quit:
If you're connecting to the simulator, start it before entering the connection type (see instructions, below).
If you're connecting to a drone, switch it on and connect to its WiFi before entering the connection type.
Once a connection type's been entered, the test application will respond as follows, indicating it's connected and ready to receive and send commands:
You are connected to the Tello in API mode
Enter command or hit ENTER to quit :
The test application repeatedly prompts for and sends commands, echoing the reponse from the connection, until instructed to stop. For example:
Enter command or hit ENTER to quit : takeoff
Command : takeoff
Response: ok
Enter command or hit ENTER to quit : land
Command : land
Response: ok
Enter command or hit ENTER to quit :
In addition to the commands documented in the API documentation for the drone, the API also supports a number of custom commands documented in the project Wiki.
Before closing the test application, please:
- Land the drone, if you are connected to a real drone
- Stop the simulator, by issuing the "stopsimulator" command, if you are using a simulator connection
To close the connection and stop the test application, enter an empty command in response to the prompt.