Antoine Rennuit
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Antoine Rennuit's Discussions

MCU vs RTOS

Started this discussion. Last reply by John Arne Birkeland May 20, 2013. 3 Replies

Hello everyone,I have recently read about the PX4 which is an alternative to APM2.5 running on an ARM CPU and supported by a RTOS.I understand that ARM CPU's are orders of magnitude faster than…Continue

Tags: APM, PX4, RTOS, MCU

 

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Developer
John Arne Birkeland replied to Antoine Rennuit's discussion MCU vs RTOS
"Autopilots can be complex beasts, and their nature has many tasks running in parallel. So once you get past the initial learning curve of a RTOS, it is actually much more efficient and easier to make a autopilot with."
May 20, 2013

Developer
Rob_Lefebvre replied to Antoine Rennuit's discussion MCU vs RTOS
"Nope.  Arducopter on APM is running "bare metal" which means there is no operating system.  There is a scheduler running, but it's all hard-coded."
May 20, 2013
think linux replied to Antoine Rennuit's discussion MCU vs RTOS
"Do you mean that programming with a MCU does not nead any RTOS?"
May 20, 2013
Antoine Rennuit posted a discussion

MCU vs RTOS

Hello everyone,I have recently read about the PX4 which is an alternative to APM2.5 running on an ARM CPU and supported by a RTOS.I understand that ARM CPU's are orders of magnitude faster than microcontrollers (MCUs) but appart from that I am not sure I understand the interest and added value of running the computation of IMU fusion, auto-pilot and motor control on an RTOS rather than on an arduino as is done by the APM. It seems to me that programming an RTOS is much more complex than…See More
Jan 9, 2013

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