On 11 November 2013 06:19, Hugh Wylie <[email protected]> wrote: > Under this configuration, maximum step rate is limited to approximately > 250Hz, while without 5i23 pwmgen invocation the 4 stepgens perform as > expected (with good step rate headroom).
That's rather odd. Is it the same with (for example) SVST8_4? This might require headers swapping. Can you enable "raw mode" and see if the driver it writing the correct step rates to 0x2000, 0x2004, 0x2008? (The addresses come from this file: http://git.linuxcnc.org/gitweb?p=hostmot2-firmware.git;a=blob;f=regmap;h=b3a2a77c27de0c71278dc910992efeddd7deb577;hb=HEAD ) These steps will help to determine if the problem is in the driver code or the FPGA code. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ November Webinars for C, C++, Fortran Developers Accelerate application performance with scalable programming models. Explore techniques for threading, error checking, porting, and tuning. Get the most from the latest Intel processors and coprocessors. See abstracts and register http://pubads.g.doubleclick.net/gampad/clk?id=60136231&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
