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by aasdf
Mon Dec 03, 2012 11:54 am
Forum: Automation, sensing and robotics
Topic: Hardware PWM for servos, motors, and LEDs
Replies: 29
Views: 20061

Re: Hardware PWM for servos, motors, and LEDs

Have you considered using the realtime PREEMPT capabilities of the more recent Arch linux kernels? Would probably guarantee a lot more stable timing.
by aasdf
Sun Dec 02, 2012 11:25 pm
Forum: Automation, sensing and robotics
Topic: Driving multiple servos from the RaspberryPi
Replies: 209
Views: 99528

RT patches

The latest Arch kernel includes the realtime PREEMPT patches, if you included support for this you could probably get much more accurate timing without having to suspend interrupts

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