On 6/30/14, Matthieu Herrb <matthieu.he...@laas.fr> wrote: > On Mon, Jun 30, 2014 at 06:04:11PM -0700, patrick keshishian wrote: >> This prevents one to write a simple one-wire protocol >> using the gpio ioctl interface, where a data pin needs to >> switch directions between in and out. Which is where >> I'm stuck ATM. > > Do you know about gpioow(4) and onewire(4) ? Sure writing kernel > drivers for simple one-wire device is a bit of overkill but it's a
I noticed them while I was "studying" the gpio manuals. That may be an option, if i can get my head around how things are done in kernel land. >> > Nothing prevents you to run permanently at securelevel 0 if you >> > need it and can afford the risk. >> >> so i tried setting securelevel=0 in /etc/rc.securelevel, but(!) ... > > you need to set 'option INSECURE' in your kernel config for permanent > insecure mode. ahh... it comes with its very own child-proof cap! also noticed, following comment in /etc/rc: # If we are in secure level 0, assume single user mode. so more pitfalls lurking about ... Thanks again, --patrick