Flight Core

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  PWM
  • Andrew Keefe  

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  @Andrew-Keefe how much current are you looking to source from it? It's likely OK to use, but we put that message there to prevent trying to drive some heavy load.
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  Programming via RF
  • Andrew Keefe  

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  Hey @Andrew-Keefe , This isn't something I've tried. Curious as to what the setup looks like if you're up to share more details. Thanks, Travis
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  Serial read is blocking
  • Andrew Keefe  

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  Hi @Andrew-Keefe, I'm not positive on this one. I have an example of using UART for an ESC here, and I remember having to be careful what task was opening the UART port: https://github.com/modalai/px4-firmware/blob/modalai-1.11/src/drivers/uart_esc/modalai_esc/modalai_esc.cpp#L736 Here's opening of the port (note: this is beta level code) https://github.com/modalai/px4-firmware/blob/modalai-1.11/src/drivers/uart_esc/modalai_esc/modalai_esc_serial.cpp#L48
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  Flight Core LEDs
  • Andrew Keefe  

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  Thank you @modaltb. I was able to control the LED with my code (yellow = waiting for serial, blue = data valid, red = data not valid).
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  BAR30 on Flight Core
  • Andrew Keefe  

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  If it's a good addition, and you're up for it, I'd suggest going for it and adding the driver to the 'standard' PX4 code base! If it's in the master branch we could pull it in pretty easily. Thanks!
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  Get custom module to autorun
  • Andrew Keefe  

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  Thanks @modaltb , that worked! I had to set it to run as a background function using the &. It's running perfectly now. I probably want to rewrite it as a task, but that example code looked tough to follow. I wish the PX4 developer manual included more step by step tutorials, like the ROS tutorials.
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  CANbus implementation for new sensor
  can uavcan • • Andrew Keefe  

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  Hi Andrew, We have other folks using it for controlling ESCs, let me try to see what I can find as far as examples, we don't have one in our repos. PX4 itself has a UAVCAN implementation they've been working on that might be of help: https://dev.px4.io/master/en/uavcan/index.html Thanks! Travis