Re: PCI to Parallel for PowerPC

2007-11-25 Thread Benjamin Herrenschmidt
On Sun, 2007-11-25 at 18:00 +0100, Clemens Koller wrote: > Put that PCI Card to your host where your stepper was working > properly to see if it's a hardware issue with that card. > > Then it depends on how you control your stepper motor. If you use > some bit-banging (which I wouldn't recommend)

Re: PCI to Parallel for PowerPC

2007-11-25 Thread Clemens Koller
Bai Shuwei schrieb: Please don't cross-post. > hi, all > I bought a SMC1500 stepper motor card. And it can connect with host > through parallel port. My target board is PowerPC 440, which hasn't > parrallel port. So I bought a PCI to Parallel line for SMC1500. But when > I run the stepper

PCI to Parallel for PowerPC

2007-11-24 Thread Bai Shuwei
hi, all I bought a SMC1500 stepper motor card. And it can connect with host through parallel port. My target board is PowerPC 440, which hasn't parrallel port. So I bought a PCI to Parallel line for SMC1500. But when I run the stepper motor, I find it's not stable. I doubt there are somthing w