On Sun, Feb 24, 2013 at 7:43 PM, jon <span dir="ltr"><<a href="mailto:jon@jonshouse.co.uk" target="_blank">jon@jonshouse.co.uk</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">Yes, I know I could write it as a kernel module, one day when I have the</div>
time I even might...<br></blockquote><div><br></div><div>Actually doing accurately timed pulses (PWM and the like) on the Pi GPIO pins from user space is quite possible. Look for ServoBlaster (especially the recent servod userspace daemon impelmentation) on the RaspberryPi forums. It uses some tricks with the DMA controller to do it, and works very well. It's probably not quite what you want, but feel free to contact me if you want help tweaking it.</div>
<div><br></div><div>Richard</div><div><br></div></div>