Simulink change PX4 flight mode via MAVROS
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I am trying to change the flight mode of a PX4 drone via MAVROS in Simulink. When I send the command ,MAVROS gives me the error:
However, when I run the equivalent code in MATLAB it works. Is it something encoding related?
My model creates the flight mode string, casts it to a ASCII array which has a length of 128. I then convert from 2-D to 1-D and assign the mode to the bus.
Abhijeet Gadkari on 4 Mar 2022
You can use the String Length block to output the length of the String Constant and set that value into the CurrentLength field of the mavros_msgs/SetModeRequest message.
This will allow changing the value of String Constant, state, and the CurrentLength field will update with the new value.
You can use the default limits for CustomMode field.
See the example below: